Floor Nozzle Air Flow Diverted To Off-floor Cleaning Means Patents (Class 15/334)
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Patent number: 7051401Abstract: A suction nozzle for a vacuum cleaner is provided which includes a built in accessory tool. The suction nozzle includes a main body with an inlet which contacts the cleaning surface, and a connection portion which connects the main body of the nozzle to the vacuum cleaner. The nozzle also includes an accessory tool which communicates with the main body of the suction nozzle through a connection hose, and which, when extended, makes use of the suction force flowing through the main body of the suction nozzle. When not in use, the accessory tool is secured to the main body of the suction nozzle. In this manner, smaller, more narrow areas may be cleaned without first having to separate the suction nozzle from the vacuum cleaner in order to use an accessory tool.Type: GrantFiled: February 21, 2003Date of Patent: May 30, 2006Assignee: LG Electronics Inc.Inventor: Chang-Do Park
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Patent number: 7036183Abstract: A vacuum cleaner (100) comprises a main body (3), separating apparatus, a flexible hose (20) having one end for coupling to an input of the separating apparatus and the other end terminating in a connecting part (40), a rigid pipe (9, 10) being selectively connectable to the main body (3) (see FIG. 2A) so as to provide a handle for the cleaner when connected to the main body (3), or a wand when released from the main body (3). The pipe (9) has an opening at each of first and second ends (16, 17) and a gripping portion (11) at the first end (17) for allowing a user to grasp the pipe (9). The hose connecting part (40) is connectable to the opening at either end (16, 17) of the pipe (9). Thus, the pipe (9) can be more conveniently used during a cylinder mode of cleaning.Type: GrantFiled: February 7, 2001Date of Patent: May 2, 2006Assignee: Dyson LimitedInventors: Peter David Gammack, Jonathan Paul Taylor, Matthew James Roger Allard
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Patent number: 7000288Abstract: A hose and wand assembly for a domestic appliance includes a flexible hose portion, a rigid wand portion and a handgrip portion. The hose terminates in a curved end portion which couples to the wand in such a manner that the hose is able to swivel about the longitudinal axis of the wand. The end portion has an outlet which communicates with the interior of the wand. A support is located on the outer wall of the end portion upstream of the outlet. The support is capable of pivotal movement about the longitudinal axis of the rigid wand portion. The hose is also rotatable with respect to the wand about the longitudinal axis of the hose.Type: GrantFiled: January 8, 2001Date of Patent: February 21, 2006Assignee: Dyson LimitedInventor: Richard John Nighy
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Patent number: 6951045Abstract: An upright vacuum cleaner is provided. The upright vacuum cleaner includes a nozzle base section including a main suction opening formed in an underside thereof. An upright housing section is hingedly connected with the nozzle base section. The housing section includes a cyclonic airflow chamber and a dirt cup for receiving dirt and dust separated by the cyclonic airflow chamber. A hose connects the nozzle base section to the upright section and is selectively detachable from the nozzle base section. The hose communicates an airstream that flows from the main suction opening to airflow chamber. A suction source is located in one of the upright housing section and the nozzle base section and is in fluid communication with the cyclonic airflow chamber. A filter assembly is located in an airflow chamber upstream from the suction source.Type: GrantFiled: August 20, 2002Date of Patent: October 4, 2005Assignee: Royal Appliance Mfg. Co.Inventors: Charles J. Thur, Steven J. Paliobeis
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Patent number: 6920665Abstract: The invention is a floor care appliance such as vacuum cleaner having a pivoting valve arrangement for maintaining suction from the appliance housing to the suction nozzle. A valve is provided for sealing off suction to the suction nozzle when the housing is in the upright or off the floor mode position. When the housing is in the upright position maximum suction is directed to the accessory hose. When the housing is moved to the floor mode maximum the valve is moved to the open position and suction is directed to the suction nozzle for floor cleaning. The valve is located in a valve body assembly pivotally connected over the rear duct of the suction nozzle. The valve body is partially located in the housing and pivots with the housing. A roller and cam arrangement cause the valve located in the valve body to move back and forth between the open and closed positions.Type: GrantFiled: September 30, 2002Date of Patent: July 26, 2005Assignee: The Hoover CompanyInventor: Richard R. Tucker
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Publication number: 20040237246Abstract: Disclosed is a vacuum cleaner comprising: a body having a suction motor for generating a suction force, a filter for filtering dust sucked by the suction motor, and an outlet for exhausting air which has been filtered by the filter; a suction head installed at one side of the body for sucking dust; and a suction/exhaustion switching means installed between the body and the suction head for selectively using an exhaustion force of a part of exhaustion gas exhausted through the outlet or a suction force of the suction motor.Type: ApplicationFiled: December 19, 2003Publication date: December 2, 2004Applicant: LG Electronics Inc.Inventors: Hyeun-Sik Nam, Young-Woo Lee
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Publication number: 20040205927Abstract: A blocker door assembly is disclosed. The blocker door assembly includes a carpet engaging nozzle base and a nozzle opening positioned in the base. The blocker door assembly further includes a rotating agitator positioned in the nozzle opening and an outlet duct in fluid communication with the nozzle opening. The blocker door assembly yet further includes a motor/fan assembly in fluid communication with the duct. The blocker door assembly further includes a blocker door adapted to slide between a open position which places the nozzle opening in fluid communication with the motor fan unit and a closed position which blocks fluid communication between the nozzle opening and the motor fan unit. A method of operating a vacuum cleaner is also disclosed.Type: ApplicationFiled: April 17, 2003Publication date: October 21, 2004Inventor: Richard R. Tucker
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Patent number: 6785932Abstract: A Vacuum Cleaner (1) having a removable dust collection bowl (5) through which the air flow passes so as to deposit dirt carried on the air flow. The dust bowl (5) contains a closure member (7) which is slidably displaceable relative the dust bowl (5) so as to simultaneously close a first air inlet (33) into the dust bowl (5) while opening a second air flow path (61) to the dust bowl (5) that is remote from the first air flow path (33). The second air flow path allows an external hose connector to be coupled in air flow communication with the dust bowl. The closure member (7) comprises a slidable shuttle cassette.Type: GrantFiled: March 4, 2002Date of Patent: September 7, 2004Assignee: Black & Decker Inc.Inventor: Daniel Bone
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Patent number: 6782582Abstract: A vacuum unit used to vacuum lawn debris includes a vacuum unit body having at least first and second inlet openings and at least one flap that can be adjusted to selectively cover and open the second opening. The vacuum unit body includes a flap adjustment member that is located within the second opening and that includes a contact surface that contacts the flap. Preferably, the flap adjustment member has one end that is adapted to receive a vacuum hose. The flap adjustment member can be placed into a first position where it causes the flap to open the second opening and a second position where it permits the flap to cover the second opening. The vacuum hose has a handle that can be attached to the vacuum unit handle permitting the vacuum hose to remain permanently attached to the vacuum unit even when the vacuum hose is not being used.Type: GrantFiled: February 14, 2003Date of Patent: August 31, 2004Assignee: MTD Products IncInventors: Usman Firdaus, John Dawson, Philip B. Smith, Jeffery R. Kucera
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Patent number: 6779229Abstract: An versatile vacuum cleaner is disclosed which comprises a main body, a socket, a first cleaner, a second cleaner, a motor assembly, a cord reel, a handle, and an exhaust duct, and can be converted easily into different configurations each suitable for a specifically different type of vacuum cleaning operation. Improvements are made in details such as the arrangement or the configuration of the main body, the socket, the first cleaner, the second cleaner, the cord reel, the handle, and exhaust duct, thereby improving the operability of the vacuum cleaner and improving the performance thereof.Type: GrantFiled: January 31, 2001Date of Patent: August 24, 2004Assignee: Daewoo Electronics CorporationInventors: Nam-Ho Lee, Jae-Duck Lee, Min-Ho Park, Im-Suk Choi
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Publication number: 20040093685Abstract: A motor-driven outdoor vacuum has a ground level intake and a hose intake. When a hand-operable actuator moves a first or main door into a ground pick-up position, the ground level intake, which is carried by the first door is in direct air-flow communication with the impeller and the hose intake, which is carried by the first door is closed by a spring-actuated second door carried by the main door. When the actuator is moved to a hose intake position, the main door is moved to a second position in which the hose is in air-flow communication with the impeller and the ground level intake is closed.Type: ApplicationFiled: October 31, 2003Publication date: May 20, 2004Applicant: Minuteman International, Inc.Inventors: Patrick J. Clarke, Jesse V. Mondigo
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Publication number: 20040060144Abstract: A floor care apparatus includes a housing having a nozzle assembly with a suction inlet and a canister assembly. A dirt collector and suction generator are carried on the housing. The apparatus further includes a wand having an inlet opening and a sealing element for sealing that inlet opening when the wand is held in a storage position. Additionally, the apparatus includes a valve and an airflow conduit system. The airflow conduit system provides fluid communication between the suction inlet, the inlet opening, the valve, the dirt collector and the suction generator. The valve is selectively displaceable between a closed position whereby the suction inlet is sealed off from fluid communication with the suction generator and an open position whereby the suction inlet is provided in fluid communication with the suction generator.Type: ApplicationFiled: August 5, 2002Publication date: April 1, 2004Inventors: Jason D. Bowden, Jason R. Gieske, Thomas J. Fedorka
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Patent number: 6609269Abstract: An extraction cleaning apparatus including a base housing, a fluid recovery system including a tank having a fluid recovery chamber for holding recovered fluid, a working air conduit, an above floor accessory hose mounted at one end to the housing for optional above floor cleaning, and a unitary duct mounted to the housing and connected at a first end to the accessory hose one end and, at another end, connected to the working air conduit at an accessory hose inlet a conversion valve in the working air conduit between the suction nozzle and the accessory hose inlet to selectively connect the vacuum source to either the suction nozzle or to the accessory hose. Portions of the unitary duct are flat and an intermediate portion of the unitary duct extends beneath the recovery tank.Type: GrantFiled: May 3, 2002Date of Patent: August 26, 2003Assignee: Bissell Homecare, Inc.Inventor: Gary A. Kasper
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Patent number: 6588050Abstract: A floor cleaner for providing enhanced fluid application, scrubbing, and fluid extraction from floor surfaces. The floor cleaner includes a housing having a top and a bottom, and a front and a rear. A scrubbing system is provided for applying fluid to a floor surface and rubbing the floor surface. The scrubbing system has a lowered position for contacting the floor surface below the housing and a raised position for positioning the scrubbing system out of contact with the floor system. A vacuum system is provided for removing soiled fluid from the floor surface. Optionally included is an auxiliary cleaning assembly for applying and extracting fluids. The auxiliary cleaning assembly comprises a cleaning wand for applying fluid to and rubbing confined areas, and cleaning wand having first and second portions pivotally mounted together such that the second portion may be pivoted between a stored position and a deployed position.Type: GrantFiled: June 8, 2001Date of Patent: July 8, 2003Inventor: Michael D. Aiken
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Patent number: 6572078Abstract: A changeover valve comprises a first valve member and a second valve member. The first value member has an aperture. The second valve member has first and second apertures. The first valve member is movable relative to the second valve member for selective alignment of the first value member aperture with one or other of the apertures of the second valve member. The value also has a ramp and follower means for automatically moving the valve member away from the one another during changeover movement of the first valve member relative to the second valve member so that wear on the surfaces of the valve members is minimized.Type: GrantFiled: April 6, 2001Date of Patent: June 3, 2003Assignee: Dyson LimitedInventors: Andrew Walter McRae Thomson, Peter David Gammack, Robert Brian Seaman
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Patent number: 6536074Abstract: A conversion valve arrangement for converting a vacuum cleaner from floor use to off-the-floor use. A valve door located in the suction duct leading from the nozzle body shuts off the suction airstream to the nozzle body when the vacuum cleaner is moved into the upright stored position. A projection on the motor housing located beneath the handle engages a resilient member cooperating with a crank arm on the valve door to close the valve door when the handle is moved to the upright position. The resilient member is comprised of a front valve arm and a rear valve arm pivotally linked together. The motion of the rear valve arm is transmitted to the front valve arm in one direction by a stop. The motion of the rear valve arm is transmitted to the front valve arm in the opposite direction by the stiffness of a spring disposed between them.Type: GrantFiled: May 9, 2001Date of Patent: March 25, 2003Assignee: The Hoover CompanyInventors: David J. Boles, Nick M. Bosyj, Jeffery S. Louis, Gregg A. McAllise, William McGill, Jr., Dave O'Neal
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Patent number: 6533871Abstract: A carpet extractor includes a base assembly 1 including a housing 10 which selectively receives a recovery tank 22 for collecting dirty cleaning fluid. A nozzle assembly 67 is mounted to the base housing and provides a fluid flowpath 182 for dirty cleaning fluid from the floor surface to the recovery tank. The nozzle assembly is pivotable from a first position, in which the fluid flowpath communicates with the recovery tank, to a second position, in which the nozzle assembly is spaced from the recovery tank to allow the recovery tank to be removed from the base housing. A second flowpath 138 is formed on the recovery tank between the tank and a nozzle plate 136. The flowpaths have openings 218, 140, respectively, at their lower ends, which are located either side of two longitudinally spaced brushrolls 60, 62. A flap valve 474 selectively closes both flowpaths during above floor cleaning.Type: GrantFiled: January 12, 2001Date of Patent: March 18, 2003Assignee: Royal Appliance Mfg. Co.Inventors: Terry L. Zahuranec, Brett Latimer, Robert A. Salo, Mark E. Cipolla, Wallace D. Tiller, Jr., Jeffrey M. Kalman, Craig M. Saunders
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Patent number: 6526623Abstract: A handle for a vacuum cleaner includes a generally rigid pipe portion connected to a generally flexible hose portion. The hose portion is fixedly connected to the main body of the vacuum cleaner. The pipe portion is selectively connectable to the main body of the vacuum cleaner in the manner of a handle or releasable from the main body in the manner of a wand. The pipe portion is formed by a straight, hollow tube having no internal bends. The handle may have an upwardly extending handle portion and a gripping portion, wherein the gripping portion extends forwardly and downwardly from the handle portion so that, when the vacuum cleaner is in use in an upright mode, the gripping portion extends generally transverse to the forearm of the user. A cap may also be provided at the distal end of the rigid pipe portion, the cap being movable between a first position in which the end of the pipe portion is closed by the cap and a second position in which the end of the pipe portion is not closed by the cap.Type: GrantFiled: August 21, 2000Date of Patent: March 4, 2003Assignee: Notetry LimitedInventor: James Dyson
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Patent number: 6519804Abstract: The invention provides a vacuum cleaner (10) comprising dirt and dust separating apparatus (52) for separating dirt and dust from an airflow and having an inlet (59), and a cleaner head (22) having an outlet (32) communicating with the inlet (59) of the dirt and dust separating apparatus (52). The dirt and dust separating apparatus (52), or a part (58) thereof incorporating the inlet (59), is movable into an alternative position in which the outlet (32) of the cleaner head (22) is not in communication with the inlet (59) of the dirt and dust separating apparatus (52) and in which an alternative dirty air inlet (100) may be connected to the inlet (59) of the dirt and dust separating apparatus (52) characterized in that the inlet (59) of the dirt and dust separating apparatus (52) is adapted to cooperate releasably with the outlet (32) of the cleaner head (22).Type: GrantFiled: June 18, 2001Date of Patent: February 18, 2003Assignee: Dyson LimitedInventor: Remco Douwinus Vujik
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Patent number: 6519805Abstract: A vacuum unit used to vacuum lawn debris includes a vacuum unit body having at least first and second inlet openings and at least one flap that can be adjusted to selectively cover and open the second opening. The vacuum unit body includes a flap adjustment member that is located within the second opening and that includes a contact surface that contacts the flap. Preferably, the flap adjustment member has one end that is adapted to receive a vacuum hose. The flap adjustment member can be placed into a first position where it causes the flap to open the second opening and a second position where it permits the flap to cover the second opening. The vacuum hose has a handle that can be attached to the vacuum unit handle permitting the vacuum hose to remain permanently attached to the vacuum unit even when the vacuum hose is not being used.Type: GrantFiled: February 22, 2001Date of Patent: February 18, 2003Assignee: MTD Products IncInventors: Usman Firdaus, John Dawson, Philip B. Smith, Jeffery R. Kucera
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Patent number: 6510584Abstract: A vacuum cleaner includes a floor nozzle having a brushroll chamber with an outlet aperture. An upper assembly is secured to the floor nozzle and is adapted to pivot relative to the floor nozzle about a generally horizontal pivot axis. A dirt cup is removably secured to the upper assembly. The dirt cup includes a dirt collection chamber, a forward inlet duct, and a rear inlet duct spaced from the first inlet duct. A flow cut-off mechanism selectively blocks the outlet aperture. The flow cut-off mechanism includes a dirt passage in communication with the outlet aperture and a dirt passage door that pivots forward about an approximately upright axis within the dirt passage cavity to block the outlet aperture when the upper assembly is moved to a fully upright position. The brushroll shut-off mechanism includes a micro-switch assembly which electrically controls operation of the brushroll motor.Type: GrantFiled: January 12, 2001Date of Patent: January 28, 2003Assignee: Royal Appliance Mfg. Co.Inventors: Robert A. Vystrcil, Charles J. Thur, Steven J. Paliobeis
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Publication number: 20030005546Abstract: The invention relates to a Vacuum Cleaner (1) having a removable dust collection bowl (5) through which the air flow passes so as to deposit dirt carried on the air flow. The dust bowl (5) contains a closure member (7) which is slidably displaceable relative the dust bowl (5) so as to simultaneously close a first air inlet (33) into the dust bowl (5) whilst opening a second air flow path (61) to the dust bowl (5) that is remote from the first air flow path (33), preferably to allow a hose connector to be inserted directly into the dust bowl. The closure member (7) comprises a slidable shuttle cassette.Type: ApplicationFiled: March 4, 2002Publication date: January 9, 2003Inventor: Daniel Bone
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Patent number: 6442791Abstract: The invention provides a vacuum cleaner having a dirty air inlet, a clean air outlet and dirt and dust separating apparatus lying in an air flow path therebetween, wherein the air flow path has a substantially uniform cross-sectional area between the dirty air inlet and the separating apparatus and between the separating apparatus and the clean air outlet. The uniformity of the cross-sectional area reduces frictional losses and reduces pressure drops within the cleaner. Some portions of the air flow path are preferably removable from the cleaner to allow access for maintenance and removal of blockages.Type: GrantFiled: April 6, 2001Date of Patent: September 3, 2002Assignee: Dyson LimitedInventors: Andrew Walter McRae Thomson, Peter David Gammack, James Dyson
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Publication number: 20020092120Abstract: A vacuum cleaner includes a floor nozzle having a brushroll chamber with an outlet aperture. An upper assembly is secured to the floor nozzle and is adapted to pivot relative to the floor nozzle about a generally horizontal pivot axis. A dirt cup is removably secured to the upper assembly. The dirt cup includes a dirt collection chamber, a forward inlet duct, and a rear inlet duct spaced from the first inlet duct. A brushroll shut-off mechanism selectively blocks the outlet aperture. The brushroll shut-off mechanism includes a dirt passage cavity in communication with the outlet aperture and a dirt passage door that pivots forward about an approximately upright axis within the dirt passage cavity to block the outlet aperture when the upper assembly is moved to a fully upright position.Type: ApplicationFiled: January 12, 2001Publication date: July 18, 2002Inventors: Robert A. Vystrcil, Charles J. Thur, Steven J. Paliobeis
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Publication number: 20020092115Abstract: A carpet extractor includes a solution distributor, such as a spray bar 90, which delivers cleaning solution to a floor surface. A housing 10 selectively receives a recovery tank 22 for collecting dirty cleaning solution from the floor. A first tank 14 for concentrated cleaning fluid and a second tank 15 for clean water supply cleaning fluid and water to a reciprocating pump 420 through first and second fluid lines 412, 410. The pump includes a piston 428, which reciprocates between first and second ends of a cylindrical bore 430. A fluid line 432 interconnects the first and second fluid lines. As the pump reciprocates, a portion of the water is drawn into the interconnecting line during a downward stroke, where it mixes with the entering cleaning solution. As the pump moves on its upward stroke, the mixture is drawn back into the water line and is pushed onward by the pump toward the spray bar with each successive downward stroke.Type: ApplicationFiled: January 12, 2001Publication date: July 18, 2002Inventors: Terry L. Zahuranec, Brett Latimer, Robert A. Salo, Mark E. Cipolla, Wallace D. Tiller, Jeffrey M. Kalman, Craig M. Saunders
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Patent number: 6378162Abstract: A carpet extractor includes a base assembly (A) with a two part base housing (10). Upper (22) and lower portions (24,528) of the base housing define a socket (100), for receiving a cleaning fluid recovery tank (120,552), and a chamber (50), rearward of the socket, for receiving a suction fan (82,540) and associated motor (80,542). The chamber includes front (78,544) and rear compartments (546,76) for receiving the suction fan and motor, respectively. The lower portion (22,528) of the base housing defines a first pocket or indentation (70,550) for receiving a motor (68,548) for driving a rotating brushroll (60) and a second pocket (532) for receiving a solution supply pump (520) which selectively supplies pressurized cleaning fluid to a spray bar (526) and a remote distributor (614). The pocket and indentation are positioned rearward of the socket, and generally beneath a forward end of the chamber.Type: GrantFiled: July 13, 2000Date of Patent: April 30, 2002Inventors: Terry L. Zahuranec, Robert A. Salo
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Publication number: 20020042969Abstract: A nozzle unit for an electric vacuum cleaner has a body case 32 with a nozzle 34a open toward a surface to be cleaned, a first pipe 35 coupled to the body case 32 so as to be rotatable in the direction J1, and a second pipe 36 coupled to the first pipe 35 so as to be rotatable in the direction J2. A first and a second air flow passage, formed inside the first and second pipes 35 and 36 respectively, are arranged substantially in a straight line as seen in a side view. The first pipe 35 has a sliding portion 35a that has an arc-shaped cross section and that slides along the inner surface of the body case 32, and this sliding portion 35a is arranged inside the body case 32, which is substantially rectangular, as seen in a plan view.Type: ApplicationFiled: October 2, 2001Publication date: April 18, 2002Applicant: Sharp Kabushiki KaishaInventors: Kiyomu Nagai, Genji Kosaka, Nobuharu Hikida, Mikio Yagi, Shigenori Hato, Taichi Tamura, Teruhisa Inoue, Kei Ohta, Masaru Shindou
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Patent number: 6363571Abstract: The invention relates to a vacuum cleaner operable in an on-floor mode and an above-floor mode. The filtration system of the vacuum cleaner is selectively fluidly connected to a brush housing directed toward the floor for the on-floor mode and, in an alternative orientation, selectively fluidly connected to an auxiliary hose for the above-floor mode. The auxiliary hose is stored in its entirety within the hollow tube of an upright handle, the upright handle being pivotally connected to a base of the vacuum cleaner and the hollow tube being removably connected to the pivotal connection for use as a wand in the above-floor mode. The vacuum cleaner includes vacuum and brush motors that are selectively activated in accordance with the position of the upright handle, the vacuum and brush motors being activated the on-floor mode and the vacuum motor alone being activated in the above-floor mode.Type: GrantFiled: February 24, 2000Date of Patent: April 2, 2002Assignee: Pacific Steamex Cleaning Systems, Inc.Inventors: Thomas S. Block, Jerry D. Schemm
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Patent number: 6351872Abstract: A vacuum cleaner includes a housing incorporating a handle assembly and a nozzle assembly, a suction fan and cooperating suction fan drive motor carried on the housing, a rotary agitator held in the nozzle assembly, an agitator drive motor carried on the housing and a motor control and protection circuit. The motor control and protection circuit includes a handle switch to de-energize the agitator motor when the handle is displaced to an upright storage position. The motor control and protection circuit may also include an above-floor switch and cooperating activation to de-energize the agitator drive motor when the nozzle assembly is displaced above the floor for bare floor cleaning. Additionally, the motor control and protection circuit may include a hose switch and activator, a selection switch and activator, a circuit breaker and a temperature sensor switch.Type: GrantFiled: May 23, 2000Date of Patent: March 5, 2002Assignee: Matsushita Electric Corporation of AmericaInventor: Michael J. McCormick
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Patent number: 6341402Abstract: A device for a vacuum cleaner having a vacuum source communicating with an inlet channel and an outlet channel for air flowing through the vacuum cleaner. The vacuum cleaner includes a holder (19) for a dust pick-up tool such as a feather-duster (20) or a micro fiber-type duster/. The holder is provided with a chamber (21) which, by operation of a valve (28,30), can be connected to the inlet or outlet channel so that the dust pick-up tool is cleaned by the air flowing through the chamber.Type: GrantFiled: December 1, 2000Date of Patent: January 29, 2002Assignee: Aktiebolaget ElectroluxInventors: Tommy Lindquist, Curt Nyberg, Johann Zita
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Patent number: 6317921Abstract: A stick-type vacuum cleaner capable of performing a cleaning process by using an auxiliary tool without having to separate a brush assembly from a suction pipe, including: a body having main and auxiliary suction channels; a dust collecting cup having main and auxiliary suction ports which are communicated with the main and auxiliary suction channels, respectively; a flexible hose arranged to be communicated with the auxiliary suction channel, the flexible hose whose outlet portion is attached to the auxiliary tool; means for selectively blocking the main suction channel; means for selectively blocking a suctioning of air through the auxiliary suction channel; and a motor-fan system for generating an air flow, which moves through the main suction channel and the auxiliary suction channel, and then into the dust collecting cup.Type: GrantFiled: December 16, 1999Date of Patent: November 20, 2001Assignee: SamSung Kwangju Electronics Co. Ltd.Inventors: Jung-su Park, Yun-sup Hwang
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Patent number: 6317920Abstract: A vacuum cleaning including a nozzle base comprising a primary and secondary suction opening, a suction source positioned within a first cavity in the nozzle base, and a dust cup releasably positioned within a second cavity in the base. The dust cup comprises a first inlet in communication with the primary suction opening, a second inlet in communication with the secondary suction opening, and an outlet. An above floor cleaning tool is in communication with the second inlet. A first filter assembly is positioned adjacent the outlet of the dust cup. A second filter is positioned between the suction source and the first filter. An exhaust opening and filter are positioned downstream of the suction source to prevent particles from venting to atmosphere. The vacuum cleaner further includes a handle assembly comprising an elongated connecting portion and a handle. The handle is removable for use as a handle for an above-floor cleaning tool.Type: GrantFiled: November 29, 1999Date of Patent: November 20, 2001Assignee: Royal Appliance Mfg. Co.Inventors: David M. Brickner, John S. Murphy, Michael F. Wright, Kyoshi Yokote
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Publication number: 20010029642Abstract: A vacuum unit used to vacuum lawn debris includes a vacuum unit body having at least first and second inlet openings and at least one flap that can be adjusted to selectively cover and open the second opening. The vacuum unit body includes a flap adjustment member that is located within the second opening and that includes a contact surface that contacts the flap. Preferably, the flap adjustment member has one end that is adapted to receive a vacuum hose. The flap adjustment member can be placed into a first position where it causes the flap to open the second opening and a second position where it permits the flap to cover the second opening. The vacuum hose has a handle that can be attached to the vacuum unit handle permitting the vacuum hose to remain permanently attached to the vacuum unit even when the vacuum hose is not being used.Type: ApplicationFiled: February 22, 2001Publication date: October 18, 2001Inventors: Usman Firdaus, John Dawson, Philip B. Smith, Jeffery R. Kucera
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Patent number: 6295694Abstract: The invention provides an apparatus for carrying a fluid flow having at least one fluid inlet, at least one fluid outlet, a plurality of alternative fluid flow paths therebetween and valve for selecting one of the said fluid flow paths to carry a fluid flow from the or a fluid inlet to the or a fluid outlet, wherein the said valve (14) and at least part of the said alternative fluid flow paths (26, 70) are housed within a removable portion (10) of the apparatus to facilitate maintenance. Preferably, seals (32) are provided between the removable portion (10) and the remainder of the apparatus, the seals (32) being either carried by the removable portion (10) or exposed for access by removal of the removable portion (10). This arrangement facilitates removal of blockages and replacement of seals.Type: GrantFiled: July 27, 2000Date of Patent: October 2, 2001Assignee: Notetry LimitedInventors: James Dyson, Alexander Stuart Knox, Michael David Ganderton
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Patent number: 6230362Abstract: A portable surface cleaning apparatus including a base module for movement along a surface, an upright handle pivotally attached to the base module, a liquid dispensing system including a flexible bladder defining a fluid supply chamber for holding a supply of cleaning fluid, a fluid recovery system including a tank on the base module having a chamber for holding recovered fluid and housing the flexible bladder, and a passageway between the fluid supply chamber and the recovery chamber, whereby the recovery chamber is in communication with the fluid supply chamber and the pressure in the flexible bladder is equalized with the pressure in the tank as the cleaning fluid is dispensed from the supply chamber and the dirty liquid is collected in the recovery chamber. In a further embodiment the tank has an outlet opening in a bottom portion thereof and a drain plug is removably mounted in the outlet opening.Type: GrantFiled: February 3, 2000Date of Patent: May 15, 2001Assignee: Bissell Homecare, Inc.Inventors: Gary A. Kasper, Timothy E. Kasen, Kenneth M. Lenkiewicz, Luke E. Kelly
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Patent number: 6209168Abstract: A vacuum cleaner including a nozzle base comprising a primary suction opening and a suction source. A dust cup assembly is releasably secured to the nozzle base. The dust cup assembly comprises a first inlet and a door positioned adjacent the inlet to selectively open and close the inlet. A rotatable brushroll assembly is positioned adjacent the primary suction opening. A three position control assembly is located on the nozzle base. The control assembly comprises a selector switch and a slide bar. Movement of the selector switch to first and second positions moves the slide bar out of engagement with a finger extending from the door allowing the door to open due to suction air. Movement of the selector switch to a third position moves the slide bar into engagement with the finger to prevent the door from opening due to suction air.Type: GrantFiled: November 29, 1999Date of Patent: April 3, 2001Assignee: Royal Appliance Mfg. Co.Inventors: David M. Brickner, John S. Murphy, Michael F. Wright, Kyoshi Yokote
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Patent number: 6108861Abstract: An upright vacuum cleaner includes a housing having a suction motor and a filter chamber. A floor nozzle is connected to the housing. A hose, which communicates with the filter chamber, includes a first end, an intermediate portion and a second end. A wand, which has a first end and a second end, is selectively mounted on the housing. At least a part of the hose intermediate portion extends longitudinally through the wand from the first end to the second end. The hose first end is secured to the wand first end. A connector assembly is secured on the hose second end. When the wand is selectively mounted on the housing, a section of the hose intermediate portion is stowed in the wand. When the wand is spaced from the housing, the section of the hose intermediate portion is pulled out of the wand.Type: GrantFiled: May 22, 1998Date of Patent: August 29, 2000Assignee: Royal Appliance Mfg. Co.Inventors: Robert A. Vystrcil, Mark E. Cipolla, Charles J. Thur, Jeffrey M. Kalman, Michael F. Wright, Robert A. Salo
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Patent number: 6082376Abstract: A method for operating an upright wet extractor having a base and a handle. The base includes a floor cleaning tool and has a hand held cleaning tool permanently attached thereto. A motor fan unit is operated to generate a suction force and this suction force is selectively communicated to a suction inlet of one of the hand held cleaning tool and the floor cleaning tool. When the suction force is communicated to the hand held cleaning tool suction inlet, pressurized cleaning fluid is also supplied to that tool, and when the suction force is supplied to the suction inlet of the floor cleaning tool, a brush unit is rotated in the floor cleaning tool.Type: GrantFiled: January 7, 1999Date of Patent: July 4, 2000Assignee: White Consolidated Industries, Inc.Inventors: Richard Karr, David Erickson, Kevin Genge, William Hanold, Gregory Luebbering, William Phelan
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Patent number: 6079077Abstract: A dust collecting direction switching portion is provided at a wall at the back of the main body of an upright type vacuum cleaner. The dust collecting switching portion having a switch valve is branched into three directions. The branch in the first direction forms a duct for allowing a coupling hose to be fitted to a suction opening directed toward a floor surface, the branch in the second direction forms a rib communicating with a dust collecting portion inside the vacuum cleaner, and the branch in the third direction forms a rib allowing a hose to collect dust at a relatively narrow space between pieces of furniture. In operation, in response to an operation of a knob related to the switch valve, the switch valve switches one of the first and third direction ducts in association with the operation to communicate with the rib in the second direction.Type: GrantFiled: May 19, 1998Date of Patent: June 27, 2000Assignee: Sharp Kabushiki KaishaInventors: Shinichiro Kajihara, Noboru Nishinaka, Kazuo Kito
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Patent number: 6073300Abstract: A carpet extractor valve assembly (340,522) alternately directs cleaning solution to a base-mounted spray bar (74,526) or to a remote distributor (438,614) of an accessory tool (16,524). The valve assembly includes an inlet port (344), which receives cleaning fluid from a handle-mounted reservoir (14,574), and first and second discharge ports (400, 442), connected to the spray bar and the accessory tool, respectively. First and second valve members (352,354) include first and second poppets (362, 444), which are biased by a spring (384) to normally-closed positions in which the first and second discharge ports are sealed. A trigger-operated actuation rod (410) actuates the first valve member to release cleaning fluid to the spray bar. A quick connect coupling (464,466,608,610) connects the remote distributor with the second discharge port and opens the second valve member thereby.Type: GrantFiled: January 8, 1999Date of Patent: June 13, 2000Assignee: Royal Appliance Mfg. Co.Inventors: Terry L. Zahuranec, David J. Boll
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Patent number: 5991971Abstract: A suction cleaner includes a base unit (1) and a body unit (2) mounted on the base unit. The base unit (1) incorporates a downwardly-facing suction opening (1a) and the body unit (2) houses a dust-collection receptacle. The body unit (2) is provided with a pipe (7) for delivering dust-laden air from the base unit (1) to the dust-collection receptacle. The pipe (7) is made of a transparent material and is detachably mounted on the cleaner.Type: GrantFiled: January 29, 1998Date of Patent: November 30, 1999Assignee: Aktiebolaget ElectroluxInventor: David William Downham
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Patent number: 5983449Abstract: A dirt conveying duct arrangement is formed between a nozzle and motor-fan of a vacuum cleaner and includes front and rear duct sections. The front duct section is open at the bottom thereof and covered by a removable bottom plate. The rear duct section is open at the top thereof and is covered by a removable top duct cover. The two-section dirt conveying duct arrangement allows clogs to be removed along the entire length thereof. The corner formed between the rear duct section and the motor-fan inlet may be molded with a radius to improve airflow into the motor-fan and limit losses in suction pressure.Type: GrantFiled: May 13, 1998Date of Patent: November 16, 1999Assignee: The Hoover CompanyInventors: Kevin L. Thomas, Edgar A. Maurer
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Patent number: 5983442Abstract: An improved carpet extractor is provided having powered brushes for scrubbing cleaning solution on a floor surface and a floor nozzle for extracting soiled cleaning solution from the floor surface in a floor cleaning mode. The extractor may be converted from the floor cleaning mode to an above the floor cleaning mode for cleaning upholstery, stairs, spots on carpet, or the like, with an attached hand held wand having a cleaning solution applicator and an upholstery and stair cleaning nozzle. A pair of motors are provided, one for driving the floor scrubbing brushes when in the floor cleaning mode and one for driving a cleaning solution supply pump and providing pressurized cleaning solution to the wand in the above floor cleaning mode. An automatic conversion mechanism is provided for automatically energizing and de-energizing the motors depending upon the operative position of the handle portion of the extractor.Type: GrantFiled: June 6, 1997Date of Patent: November 16, 1999Assignee: The Hoover CompanyInventors: Jeffrey S. Louis, Jerry L. Balzer, Edgar A. Maurer, David B. Rennecker, Gregg A. McAllise, Jeffery A. Morgan, James M. Bednar, Carl Behrend, Michael J. Reiter
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Patent number: 5946768Abstract: A workstation on wheels comprising a housing having a shelf dividing the housing interior into an upper and lower chamber. The shelf supports a vacuum unit that draws air from the lower chamber and exhausts it into the upper chamber. The lower chamber is provided with a vacuum outlet to which is connected an inelastic ductwork. The ductwork includes a nozzle for receiving air and solid materials from a floor surface. The air and solid materials flow through the ductwork and into a bag or bin in the lower chamber where the solid materials are accumulated. The ductwork is rotatable about the vacuum inlet and may be a one-piece L-shaped structure. Alternatively, it may be longitudinally adjustable by multiple interconnecting duct parts or by telescoping segments. The ductwork includes an housing duct to which is connected a valved flexible conduit for providing an auxiliary vacuum source.Type: GrantFiled: March 14, 1997Date of Patent: September 7, 1999Inventor: Michael D. Kelly
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Patent number: 5940929Abstract: A surface maintenance machine for use in sweeping and collecting dust and debris from inside and outside areas has a frame and wheels for supporting the frame for movement along the surface to be cleaned. There is a debris hopper on the frame and a rotary sweeping brush on the frame mounted to direct dust and debris from sweeping a surface into the hopper. A vacuum fan is located on the frame and there is an air flow path on the frame from the hopper to the vacuum fan. A dust collection container in the form of a flexible bag is positioned within a vacuum chamber in said air flow path and is in a generally upright disposition. The dust collection container has an air flow entrance adjacent the upper end thereof. During operation of the sweeping brush, dust and debris are directed into the hopper, with the vacuum fan moving dust from the hopper along the air flow path to the dust collection upper air inlet with the debris remaining in the hopper.Type: GrantFiled: June 23, 1997Date of Patent: August 24, 1999Assignee: Tennant CompanyInventor: David W. Berg
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Patent number: 5933912Abstract: An upright wet extractor includes a base assembly, a manipulative handle pivotally attached to the base assembly, and a motor driven agitator brush. A cleaning solution dispensing tank is removably attached to the handle assembly by a pivotable latch member. In a floor cleaning mode, cleaning solution is selectively supplied by gravity from the dispensing tank to a floor cleaning spray nozzle through a supply tube which is controlled by a pinch valve. In an attachment hose cleaning mode, cleaning solution is selectively supplied by a motor driven pump from the dispensing tank to an attachment hose spray nozzle which is controlled by a trigger valve. A suction motor/fan assembly is carried by the base assembly which is selectively in fluid communication with a floor suction nozzle in the floor cleaning mode and an attachment hose suction nozzle when in the attachment hose cleaning mode.Type: GrantFiled: September 8, 1997Date of Patent: August 10, 1999Assignee: White Consolidated Industries, Inc.Inventors: Richard Karr, David Erickson, Kevin Genge, William Hanold, Gregory Luebbering, William Phelan
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Patent number: 5797162Abstract: An upright vacuum cleaner includes a housing having a suction motor and a filter chamber. A floor nozzle is connected to the housing. A hose includes a first end, secured to the housing and in communication with the filter chamber, an intermediate portion and a second end. A wand is selectively mounted on the housing. The wand has a first end and a second end wherein the hose intermediate portion extends longitudinally through the wand from the first end to the second end and wherein the hose second end is secured to the wand second end. A clip is secured on the hose intermediate portion such that when the clip is selectively secured to the wand first end, a substantial portion of the hose intermediate portion is stowed in the wand. When the clip is spaced from the wand first end, the substantial portion of the hose intermediate portion is pulled out of the wand.Type: GrantFiled: January 10, 1997Date of Patent: August 25, 1998Assignee: Royal Appliance Mfg. Co.Inventors: Robert A. Vystrcil, Mark E. Cipolla, Charles J. Thur, Jeffrey M. Kalman, Michael F. Wright
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Patent number: 5787546Abstract: A vacuum cleaner 20 includes a housing 22 having a handle 208 and a brush compartment 82 for receipt of a brush assembly 104. A channel 210 is formed in the top of handle 208 and supports a hose 160 therein. A crevice tool 194 is coupled to hose 160 and is located in a continuation of channel 210 at a forward portion of housing 22. A forward portion of crevice tool 194 is located in a receptacle 100 formed in housing 22. A dust cup 52 is attachable to housing 22 and forms a dust collection chamber 47. When the vacuum cleaner 20 is operated in a brush mode, dirt-laden air is collected by operation of the brush assembly 104 over a surface being cleaned. In this mode, openings through crevice tool 194 and hose 160 serve as a conduit for the dirt-laden air to the dust collection chamber 47.Type: GrantFiled: December 2, 1996Date of Patent: August 4, 1998Assignee: Black & Decker Inc.Inventors: Charles J. Bass, John W. Goodin, Mark W. LeBeau, Carl E. Prindle, William C. Tyler
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Patent number: 5784755Abstract: An upright wet extractor includes a base assembly, a manipulative handle pivotally attached to the base assembly, and a motor driven agitator brush. A cleaning solution dispensing tank is removably attached to the handle assembly by a pivotable latch member. In a floor cleaning mode, cleaning solution is selectively supplied by gravity from the dispensing tank to a spray nozzle through a supply tube controlled by a pinch valve. In an attachment hose cleaning mode, cleaning solution is selectively supplied by a motor driven pump from the dispensing tank to an attachment hose spray nozzle controlled by a trigger valve. A suction motor/fan assembly is carried by the base assembly which is selectively in fluid communication with a floor nozzle in the floor mode and hose nozzle in the attachment mode. Conversion between floor mode and attachment mode is carried out by manual operation of a knob of a multi-functional valve/switch assembly.Type: GrantFiled: January 18, 1996Date of Patent: July 28, 1998Assignee: White Consolidated Industries, Inc.Inventors: Richard Karr, David Erickson, Kevin Genge, William Hanold, Gregory Luebbering, William Phelan
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Patent number: 5774930Abstract: An upright vacuum cleaner is provided which includes a sound muffler which, according to one aspect of the invention, may be combined with an accessory selector valve. The vacuum cleaner includes a height adjustment mechanism which eliminates positioning detents along the cam adjustment surface. The vacuum cleaner also includes a vacuum bag mounting arrangement which insures that the bag will not project above a handle parting plane, thus reducing the size of the shipping carton.Type: GrantFiled: January 16, 1996Date of Patent: July 7, 1998Assignee: White Consolidated Industries, Inc.Inventors: David R. Sommer, Leonard D. Hampton, William R. Reimer, John A. Huebsch, George V. Hibbs