Variable Length Patents (Class 15/144.3)
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Patent number: 11548134Abstract: A multi-piece detachable mop body is disclosed herein. Among other features, the multi-piece detachable mop body comprises a plurality of pole sections configured to couple with one another to form an integral elongated body during use and disengage with one another into the plurality of pole sections for transportation, packaging and storage purposes.Type: GrantFiled: October 22, 2019Date of Patent: January 10, 2023Assignee: For Life Products, LLCInventor: Joseph A. McDonnell
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Patent number: 10688648Abstract: A multi-component quick assembly handle includes tubular members made of a permanently formed material having a pin locking and friction fit connection.Type: GrantFiled: November 30, 2018Date of Patent: June 23, 2020Assignee: MONAHAN PARTNERS, INC.Inventors: Kurt Ni, Patrick H. Monahan
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Patent number: 9220389Abstract: A pad particularly adapted for surface cleaning. The pad includes an absorbent core having the ability to absorb and retain liquid material, and a liner layer in contact with and covering at least one side of the absorbent core. The liner layer has the ability to retain and wick liquid material through the liner layer. Cleaning apparatus containing such pads and methods of using such pads are also described.Type: GrantFiled: August 3, 2015Date of Patent: December 29, 2015Assignee: iRobot CorporationInventors: Michael J. Dooley, Nikolai Romanov, Marcus Williams, Joseph M. Johnson
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Patent number: 8984695Abstract: A hand held dusting apparatus for use with a motor provided with a rotating axle, such as a variable speed drill, includes an elongated extension member attachable at one end to the rotating axle and a dusting member having a body section attachable to the opposite end of the elongated extension member and a dusting section constructed having multiple strands of synthetic fiber materials extending from the body section. In a preferred embodiment the apparatus further includes a tubular hand guide member fitted about the extension member and constructed to slide along the extension member. In another preferred embodiment the body of dusting section has a mid-section that can be pivoted to allow the dusting elements to rotate about an axis set at an angle to the axis of the extension member.Type: GrantFiled: May 2, 2014Date of Patent: March 24, 2015Assignee: Crown Down Cleaners, LLCInventor: Paul D. Manning
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Patent number: 8819884Abstract: A paint pad with flat handle including a parallelepiped head member having a first surface to which a paint pad releasably secures, said head member attached to a flat handle at a torsion spring pivot disposed upon a second surface of said head member, whereby the paint pad with flat handle has a low profile and is readily positional in tight and hard to reach spaces for application of paint thereat.Type: GrantFiled: June 10, 2013Date of Patent: September 2, 2014Inventor: Harold W. Benline, Jr.
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Patent number: 8782842Abstract: A hair brush with a slideable brush head that allows the brush head to be positioned on either end of the elongated handle to thereby providing ease of use by both right handed or left handed users. The elongated handle has different ways thereon to arrest the brush head in any desired position. The brush head may also be removed from the handle, if so desired, so that a brush head of a different circumference but the same inner diameter may be used.Type: GrantFiled: December 3, 2012Date of Patent: July 22, 2014Inventor: Mary Asta
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Patent number: 8756744Abstract: A hair brush with a slideable brush head that allows the brush head to be positioned on either end of the elongated handle to thereby providing ease of use by both right handed or left handed users. The elongated handle has different ways thereon to arrest the brush head in any desired position. The brush head may also be removed from the handle, if so desired, so that a brush head of a different circumference but the same inner diameter may be used.Type: GrantFiled: December 3, 2012Date of Patent: June 24, 2014Inventor: Mary Asta
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Patent number: 8752227Abstract: A hand held dusting apparatus for use with a motor provided with a rotating axle, such as a variable speed drill, includes an elongated extension member attachable at one end to the rotating axle and a dusting member having a body section attachable to the opposite end of the elongated extension member and a dusting section constructed having multiple strands of synthetic fiber materials extending from the body section. In a preferred embodiment the apparatus further includes a tubular hand guide member fitted about the extension member and constructed to slide along the extension member. In another preferred embodiment the body of dusting section has a mid-section that can be pivoted to allow the dusting elements to rotate about an axis set at an angle to the axis of the extension member.Type: GrantFiled: May 29, 2012Date of Patent: June 17, 2014Assignee: Crown Down Cleaners, LLCInventor: Paul D. Manning
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Patent number: 8752231Abstract: A hair brush with a slideable brush head that allows the brush head to be positioned on either end of the elongated handle to thereby providing ease of use by both right handed or left handed users. The elongated handle has different ways thereon to arrest the brush head in any desired position. The brush head may also be removed from the handle, if so desired, so that a brush head of a different circumference but the same inner diameter may be used.Type: GrantFiled: December 3, 2012Date of Patent: June 17, 2014Inventor: Mary Asta
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Publication number: 20130291893Abstract: The broom having a bottom rod and an offset top rod is provided. Bristles are attached to the bottom of the bottom rod to contact a floor. Connecting the top and bottom rods is a grip rod. The grip rod desirably slants downward toward the floor when the broom bristles contact the floor. Desirably, the grip rod is attached at its bottom end to the bottom rod at an angle ? of from about 100° to about 150° preferably 100° to 140°. The grip rod is attached at its top end to the top rod at an angle ? of about 100° to about 150°, preferably 100° to 140°. As a result, the grip rod slants downward toward the floor when the broom bristles contact the floor. The grip rod is located a predetermined distance above the bristles so the grip bar can be grasped when the bristles contact the floor by the user in a standing position.Type: ApplicationFiled: June 27, 2013Publication date: November 7, 2013Inventor: Gerard Stokes
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Patent number: 8387198Abstract: A paintbrush holder assembly affixes a standard paintbrush to a holder that in turn engages an extension rod. The holder includes a hollow tubular shaft with a circular cross section that includes a first end, a middle portion and a second end. Three or more semi-circular fasteners attach to the middle portion of the tubular shaft via flex points. One fastener includes a lock pin to engage a locking shaft. The locking shaft has an “L” shaped lock track having a sufficient size and dimension to fit about the tubular shaft and capable of sliding from the second end to a point proximate the first end. The extension rod connects to the holder via male threads which secure to female threads located at the second end of the tubular shaft.Type: GrantFiled: August 15, 2011Date of Patent: March 5, 2013Inventor: Raul Rodriguez
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Publication number: 20130014334Abstract: A cleaning device (2) comprising a first support member (6), a second support member (8), a cleaning pad (10) which is supported by the first and second support members (6, 8) and which is made of a liquid-absorbing material, a lever mechanism (34) for the first and second support members (6, 8), a drying aperture (32), and a handle (44), and the cleaning device (2) being such that: (i) the first and second support members (6, 8) are pivotable towards each other; and (ii) pulling on the lever mechanism (34) causes the first and second support members (6, 8) to pivot towards each other and be pulled into the drying aperture (32) in the cleaning device (2).Type: ApplicationFiled: April 6, 2011Publication date: January 17, 2013Inventors: Peter Kalam Ali, Russell Peter Yates, Francis Edzard Yates
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Patent number: 8353076Abstract: A hair brush with a slideable brush head that allows the brush head to be positioned on either end of the elongated handle to thereby providing ease of use by both right handed or left handed users. The elongated handle has different ways thereon to arrest the brush head in any desired position. The brush head may also be removed from the handle, if so desired, so that a brush head of a different circumference but the same inner diameter may be used.Type: GrantFiled: July 16, 2009Date of Patent: January 15, 2013Assignee: Master Poe Productions, Inc.Inventor: Mary Asta
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Patent number: 8136196Abstract: A dusting tool (1) with a handle (2) to which two bars (3, 4) are attached at a certain distance from each other, with the free ends (5, 6) of said bars (3, 4) being connected to each other and with a number of spacers (7) being disposed between said bars (3, 4).Type: GrantFiled: April 15, 2008Date of Patent: March 20, 2012Assignee: Carl Freudenberg KGInventor: Uwe Dingert
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Patent number: 8082619Abstract: An auxiliary dual handle device for attachment to a handle of a floor cleaning appliance having a floor, engaging portion includes an elongated member which has a predetermined length and which is manufactured from a predetermined material and a bore which is longitudinally and axially formed in at least a portion of the elongated member and which is sized and shaped to slidingly engage an exterior surface of the appliance handle. There is a left and a right auxiliary handle, each having a first end portion thereof rigidly secured to a user proximal end portion of the elongated member and laterally offset from one another. The elongated member is secured to the appliance handle with fasteners of clamps. There is also provided a single piece dual handle device which is attachable directly to the floor engaging portion of the floor cleaning appliance.Type: GrantFiled: November 6, 2007Date of Patent: December 27, 2011Inventor: Jeanne D. Willey
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Patent number: 8015653Abstract: An applicator device for applying a substance to an area of the body that is difficult to reach includes a collapsible handle and a head portion rotatably mounted on one end. The head portion includes an attachment means, which can comprise either a field of hooks or a field of loops. The attachment means receives a two-sided pad engagement member that preferably has fields of loops or hooks on one side to engage the respective hooks or loops of the attachment member, and a field of hooks on its opposite side. The hooks of the pad engagement member can securely retain a pad that carries the substance to be applied to the body.Type: GrantFiled: January 12, 2006Date of Patent: September 13, 2011Assignee: Dusa Pharmaceuticals, Inc.Inventors: Michael Bargiel, Joshua J. Nelson, Glenn Walters, Frank Pollard
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Patent number: 7956711Abstract: Tool attachments and extensions handles may be removably connected to each other. In an example embodiment, a tool attachment is capable of being connected to an extension handle having an extension handle connector, which includes a first field emission structure. The tool attachment has a tool implement and a tool attachment connector, which includes a second field emission structure. The tool attachment connector is adapted to be mated to the extension handle connector with the second field emission structure in proximity to the first field emission structure such that the first and second field emission structures have a predetermined alignment with respect to one another. Each of the first and second field emission structures include multiple Field emission sources having positions and polarities relating to a predefined spatial force function that corresponds to the predetermined alignment of the first and second field emission structures within a field domain.Type: GrantFiled: July 1, 2009Date of Patent: June 7, 2011Assignee: Cedar Ridge Research, LLC.Inventors: Larry W. Fullerton, Mark D. Roberts
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Patent number: 7617559Abstract: A stem structure of a cleaning brush has a stem including a first segment having a threaded hole and at least two tabs all provided on the front end thereof, and a brush element including a body. Predetermined positions of the intermediate section of the body are provided with a through opening for receiving a threaded section of a fixing element and provided with at least two bores corresponding to the tabs. The threaded hole of the first segment of the stem is provided to screw with the threaded section of the fixing element, and the tabs of the first segment of the stem are inserted into the bores of the body. The fixing element is integrally made of plastic material.Type: GrantFiled: January 17, 2008Date of Patent: November 17, 2009Assignees: Ningeo Xianghua Automobile accessories Manufacturer Co.,Ltd.Inventor: Chung-Yuan Jiang
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Publication number: 20090106919Abstract: A painting tool for attachment to an extension has a head attached to one end of a handle. The other end of the handle terminates in a threaded female adaptor which mates with a threaded male adapter on the extension. The head can be a brush head containing bristles or sponge material or, in the alternative, the head can support a scraper blade for cleaning surfaces prior to painting. Another embodiment provides a combination hammer/scraper for attachment to an extension for use on painting surfaces.Type: ApplicationFiled: October 26, 2007Publication date: April 30, 2009Inventor: Randy L. Montgomery
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Publication number: 20090064434Abstract: A painting rig handle, including a first prong; and a second prong, wherein the first prong and the second prong are capable of being removably attached to the opposing ends of a nap.Type: ApplicationFiled: September 6, 2007Publication date: March 12, 2009Inventor: John Mallaridas
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Patent number: 7490383Abstract: A cleaning system for cleaning articles along the floor to inhibit a person from having to bend over to clean the article includes a handle being graspable by a person. A plurality of cleaning heads is included. One of the cleaning heads is mountable to the handle. Each of the cleaning heads comprising a base section and a cleaning section. The base section is mountable to the handle. The cleaning section is coupled to and extends outwardly from the base section. The cleaning section is abutted and moved along an article to clean the article.Type: GrantFiled: August 7, 2007Date of Patent: February 17, 2009Inventor: Vicki J. Dean
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Patent number: 7478453Abstract: The present invention is for a duster with an extension handle for allowing the user to clean in hard to reach areas. This unique device provides an easier method of removing dust, dirt, cobwebs, and other debris from the tops of door and window frames, ceilings, ceiling fan blades, behind appliances and hard to move pieces of furniture, picture frames, and other hard to reach places. Many users, including short, pregnant, elderly, or disabled people, as well as any person having a limited range of mobility, would benefit from the use of this product. The duster with extension handle would consist of a long, plastic handle with a series of detachable cleaning heads and a handle extension that provides additional reaching capability. One such cleaning head would feature a flexible wire-coated piece that would be used in conjunction with various removable fabric covers for cleaning. The flexible piece could be bent at various angles for maximum cleaning benefit.Type: GrantFiled: September 26, 2003Date of Patent: January 20, 2009Inventor: Mary Ann Busshaus
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Publication number: 20080256733Abstract: Gary's Paint Brush has a ¾? screw hole on the handle. This will allow a painter to screw a paint brush onto an extension pole. The painter will then be able to paint in difficult areas without a ladder.Type: ApplicationFiled: April 19, 2007Publication date: October 23, 2008Inventor: Gary M. Brown
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Publication number: 20080250589Abstract: A dusting tool (1) with a handle (2) to which two bars (3, 4) are attached at a certain distance from each other, with the free ends (5, 6) of said bars (3, 4) being connected to each other and with a number of spacers (7) being disposed between said bars (3, 4).Type: ApplicationFiled: April 15, 2008Publication date: October 16, 2008Applicant: Carl Freudenberg KGInventor: Uwe Dingert
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Patent number: 7416361Abstract: An extendable pole for window washing includes a plurality of substantially hollow elongated rigid tubular sections, each of which has a lower end and an upper end and a substantially cylindrical outer side wall. The upper end of one section is mechanically connected to the lower end of a section there above to form a substantially continuous pole. Apertures are formed in the side wall of each of the tubular sections adjacent the lower ends and adjacent the upper ends. An elongated flexible tube which is slightly longer than its associated tubular section extends through the interior of the tubular section with its ends passing through the lower and upper apertures to the exterior thereof. Fluid connectors at the ends of each of the tubes connect them together so that the tubes are in fluid communications with each other.Type: GrantFiled: July 10, 2007Date of Patent: August 26, 2008Inventor: Meyer Ostrobrod
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Patent number: 7373708Abstract: A locking device for two units (1), (3) displaceable one inside the other, such as the handle of an implement with variable length, comprising a locking member (4) arranged at one end of the outer element (3), said locking member (4) being operated by an operating member (5) spaced from the locking member (4) in the direction of the other end of the outer element (3) via an actuating member (7) that is displaceable along, or turnable about, an axis parallel with the longitudinal axis of the outer element (3).Type: GrantFiled: October 13, 2006Date of Patent: May 20, 2008Inventors: Ragnar Stahle, Lill-Hege Hagensen
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Patent number: 7356871Abstract: A long handled cleaning implement such as a broom that is provided with a collapsible handle that can be used as a mini sweeping broom. This collapsible ability will also permit compact storage, a cooperating accessory dustpan is provided which the collapsible cleaning implement is stored into. When removed from the compact position the handle of the cleaning implement quickly and easily extends to a full length rigid position for use. In combination this provides the operator the choice of a large area cleaning or a small area hand sweep and the convenience of compact storage or transportation.Type: GrantFiled: March 21, 2006Date of Patent: April 15, 2008Inventor: Jonathan Mark Heaven
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Patent number: 7144180Abstract: A locking device for two units (1), (3) displaceable one inside the other, such as the handle of an implement with variable length, comprising a locking member (4) arranged at one end of the outer element (3), said locking member (4) being operated by an operating member (5) spaced from the locking member (4) in the direction of the other end of the outer element (3) via an actuating member (7) that is displaceable along, or turnable about, an axis parallel with the longitudinal axis of the outer element (3).Type: GrantFiled: August 31, 2001Date of Patent: December 5, 2006Inventors: Ragnar Stahle, Lill-Hege Hagensen
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Patent number: 7086115Abstract: A cordless hand held duster comprising a handle and a small feather duster head attachable thereto. An internal battery and motor provides power to rotate or vibrate the duster head for removing dust and debris. The duster head can attach directly to the tool for dusting tables or other low surfaces, or various extension arms can be used, including a straight arm or variously angled arms. One extension arm, or a combination of extension arms, may be used to accommodate removal of dust, dirt or debris from elevated spaces, recesses or objects.Type: GrantFiled: March 15, 2004Date of Patent: August 8, 2006Inventors: Suzzy Rex, Brandi Sislo
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Patent number: 6981293Abstract: A device for providing self-assisting hygienic activity to individuals of limited dexterity, the device including an elongated body constructed of first and second telescoping portions and terminating at a first end in an ergonomically configured handle. A hygienic related accessory is secured to the other end of the elongated body, which includes a repositionable goose neck portion. The accessory capable of being manipulated relative to the elongated body in at least one of axially extending and angularly configurable fashions and the accessory is further capable of being releasably engageable to the associated end of the elongated body and substituted by at least one alternately configured accessory drawn from at least one of a sponge attachment, lotion dispensing attachment, disposable sheet attachment, scrub brush attachment and powder applicator attachment.Type: GrantFiled: October 22, 2002Date of Patent: January 3, 2006Inventor: Rochelle Steinberg
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Publication number: 20040221410Abstract: Swish Tap and Flush is a disposable toilet bowl brush. The brush head can be gently tapped against the inner side of the toilet bowl. This action releases the swab into the bowl allowing it to be flushed. In doing so, this stops the spreading of germs and the storing of a germ infested brush. When needed again you take out a new clean brush.Type: ApplicationFiled: May 6, 2003Publication date: November 11, 2004Inventor: Michelle Louise Padula
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Patent number: 6793434Abstract: A brush having a brush member, and adjustable handle, and an optionally convex cover. The brush member accommodates a sponge. A first plurality of bristles extends from the brush member and each of a second plurality of orifices is disposed between the bristles, optionally in an offsetting relation. The handle extends from the brush member. The cover has a pair of slots accommodating the handle and overlays the sponge during use. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 C.F.R. § 1.72(b).Type: GrantFiled: July 9, 2003Date of Patent: September 21, 2004Inventor: Anita D. Olson
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Publication number: 20040134803Abstract: A kit includes the combination of an stand-up dustpan having a length of approximately 107.5 cm and a less than full-sized broom having a length of approximately 84.8 cm. The floor cleaning kit also includes an enclosed box-shaped container shaped to define an interior cavity into which the dustpan and broom, when they are disassembled, can be disposed, the container having a length of approximately 36.8 cm, a width of approximately 32.6 cm and a depth of approximately 10.9 cm. Each of the dustpan and the broom includes a handle comprising at least two independent sections which are adapted to be coupled together. The container includes a rear panel, a front panel, a pair of side panels, a top panel and a bottom panel which together define the enclosed interior cavity. The container additionally includes a partition which at least partially subdivides the enclosed interior cavity into an upper chamber and a lower chamber.Type: ApplicationFiled: January 10, 2003Publication date: July 15, 2004Inventors: Robert Michelson, Thomas Dunn
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Patent number: 6718589Abstract: A push broom having an extendable handle with an upper section slidably mounting a lower section with a compressible coil spring mounted therebetween for urging the lower section forward or away from the upper section. The lower section includes a bristle brush with an attachment fitting for threadably coupling with the lower section. Bushings carried on both the upper section and the lower section permit a smooth sliding relationship between the sections. A protective boot of the bellows type has opposite ends secured to the upper section and the lower section respectively and encloses the compressible coil spring.Type: GrantFiled: October 12, 2001Date of Patent: April 13, 2004Inventor: Chris R. Kimbro
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Patent number: 6688367Abstract: An apparatus is provide that aids in the finishing of ceilings. The tool provides for the rolling on of cement or other similar finishes and then an integral knife blade smoothes over the finished surface. Such an invention prevents the user from using multiple tools, and from using stilts to reach the ceiling surface.Type: GrantFiled: January 25, 2002Date of Patent: February 10, 2004Inventors: George A. Ruposky, Alena M. Ruposky
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Publication number: 20030204926Abstract: An operating handle (1) for devices, particularly for cleaning devices, such as wiping devices, mops, brooms, or the like. The operating handle (1) has at least a first and a second tubular handle element (2, 2′) which are able to be joined to one another. The tubular handle elements (2, 2′) form a hollow space (5). A connecting link (4, 4′) is provided for connecting the first and the second handle element (2, 2′). The connecting link (4, 4′) extends at least partially into the hollow space (5) formed by the handle elements (2, 2′). A first connecting segment (6) and a second connecting segment (7) are provided. The first connecting segment (6) is designed to connect to the first handle element (2), and the second connecting segment (7) is designed to connect to the second handle element (2′).Type: ApplicationFiled: January 29, 2001Publication date: November 6, 2003Inventors: Ralf Jurgens, Uwe Dingert, Joerg Dunkel, Richard Schilling, Hans-Jurgen Wendelken
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Publication number: 20030180085Abstract: A home and yard maintenance tool for performing a plurality of different task is disclosed. The home and yard maintenance tool has a handle section. A plurality of different home and yard accessory attachments are further provided. Each of the different attachments may be removably coupled to the handle for performing the plurality of different task.Type: ApplicationFiled: March 19, 2002Publication date: September 25, 2003Inventor: David P. Hughes
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Publication number: 20030143016Abstract: An integrated cleaning system including a casing for storing a cleaning agent, a pump sprayer seated in said casing for dispensing the cleaning agent to a desired surface, a towel for cleaning the desired surface, and a towel stowing mechanism to extend the towel between a first extended position for use and a second stored position for storing the towel in the casing. The towel stowing mechanism may be rotated to stow the towel in the second position. In another embodiment the towel stowing means, when initiated by a user, automatically retracts the towel into the second position.Type: ApplicationFiled: January 29, 2003Publication date: July 31, 2003Inventors: Robert Gerald Kushner, John H. Koehler
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Publication number: 20030126711Abstract: A paint roller frame with a cage assembly rotatably mounted on a shaft portion of the roller frame, which is used with a replaceable paint roller sleeve, and accessories useful when working with the paint roller frame. The cage assembly is designed to securely retain a paint roller sleeve and to eliminate leakage of paint into the interior of the roller sleeve core. The roller cage assembly comprises the bearing portion and the outer portion which is removable to permit replacement of the roller sleeve. The bearing portion has the roller sleeve supporting surface and the inner annular face to be urged against the inner end of the sleeve core. The outer portion has the cylinder surface to support the outer end of the sleeve and the outer annular face to be urged against the outer end of the sleeve core.Type: ApplicationFiled: January 4, 2002Publication date: July 10, 2003Inventor: Lev Korenevsky
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Publication number: 20030110584Abstract: The present invention relates to a mop, preferably suitable for use with a removable cleaning substrate, comprising a mop head and a handle consisting of several interconnectable segment, said segment comprising one tapered end which is suitable for engagement with the non-tapered end of another segment, characterized in that the tapered end also comprises a first and second section.Type: ApplicationFiled: September 20, 2002Publication date: June 19, 2003Applicant: The Procter & Gamble CompanyInventors: Benjamin Jacob Clare, Richard George Lohre, Gregory Clegg Spooner
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Publication number: 20030000039Abstract: A sponge assembly includes an elongated handle having a first end and an opposing second end. A mesh sponge is secured at the first end of the handle. Disposed between the first end of the handle and the second end of the handle is a hinge assembly. The hinge assembly enables moving of the handle between a folded position and an unfolded position. Formed on a joint of the hinge assembly is a notch. A latch is slidably mounted on the handle. At least a portion of the latch is configured to be slidably received within the notch on the hinge joint when the handle is in the unfolded position so as to lock the handle in the unfolded position.Type: ApplicationFiled: June 28, 2001Publication date: January 2, 2003Applicant: Jean Charles IncorporatedInventor: Victor Borcherds
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Patent number: 6311368Abstract: Disclosed is a handle for household utensils, in particular for floor cleaning utensils, the external polygonal contour of which presents side faces (6) and edges (7).Type: GrantFiled: October 12, 1999Date of Patent: November 6, 2001Assignee: Carl FreudenbergInventor: Francesco Sartori
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Publication number: 20010034920Abstract: An apparatus configured for applying lotion to hard-to-reach areas of a person's body consisting of a head portion 12 to which a sponge 16 is secured with a handle portion 14 extending outward from the head portion of the apparatus. A handle extension 18 extends from the handle portion. The head, handle, and handle extension are formed of plastic, acrylic or, in the alternative, may be formed of a metal such as stainless steel.Type: ApplicationFiled: March 20, 2001Publication date: November 1, 2001Inventor: Karen H. Brown
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Patent number: 6260238Abstract: The primary structural parts of the handle are two extruded telescopic tubes. A longitudinal rib on the smaller, inner tube slides in a groove in the rib on the larger, outer tube, preventing relative motion between the tubes. A box footplate is pivotally attached on a shaft to the free end of the outer tube with the axis of the shaft intersecting the long axis of the tubes and perpendicular to it. Rotation of the footplate is transferred by bevel gearing to a rod at the centers of the tubes which extends through a collet mechanism installed inside the smaller tube near its overlapped end. A lever and related linkage are attached to a fitting installed at the free end of the inner tube. The linkage connects the lever to the collect mechanism. Operation of the lever causes the collet to clamp onto the rod, thus locking the box footplate angular motion and the length of the handle. An auxiliary mechanism may be provided for locking the handle at any of a series of lengths.Type: GrantFiled: October 7, 1999Date of Patent: July 17, 2001Inventor: Donald Mark MacMillan