With Support Or Attaching Means Patents (Class 30/275.4)
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Patent number: 9314916Abstract: A power tool comprising a hollow pole, a prime mover disposed at one end of the pole, a tool disposed at the other end of the pole, a transmission shaft rotatably disposed within the pole and configured to transmit torque from the prime mover to the tool, a joint mechanism configured to support the tool such that the tool is capable of rotating with respect to the pole, a lock mechanism configured to selectively lock and unlock the joint mechanism, and a clutch mechanism disposed on a pathway of torque transmission from the prime mover to the tool via the transmission shaft, and configured to selectively connect and disconnect the pathway of torque transmission. The lock and clutch mechanisms are coupled with each other such that the clutch mechanism disconnects the pathway of torque transmission when the lock mechanism unlocks the joint mechanism.Type: GrantFiled: March 4, 2013Date of Patent: April 19, 2016Assignee: MAKITA CORPORATIONInventor: Tadayoshi Tsuchiya
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Publication number: 20150047210Abstract: An engine-powered work tool includes: a shaft extending in a first direction; an engine at a rear end portion of the shaft; a fuel tank disposed below the engine in a second direction perpendicular to the first direction; and a stand fixed to the engine. The stand includes a fastening portion fixed to a front end portion of the engine, and a curved portion extending from the fastening portion and curving toward a rear end portion of the engine. The curved portion provides a lower end portion positioned downstream of a bottom end portion of the fuel tank in the second direction. The lower end portion has a distal end positioned upstream of the rear end portion of the fuel tank in the first direction, the distal end and the bottom end of the fuel tank defining a gap therebetween in the second direction.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Inventors: Hideki Watanabe, Naoki Tsuruoka, Masayoshi Goto, Takeshi Matsuoka, Hiroyuki Hasegawa, Norihide Tao
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Publication number: 20140338202Abstract: A glider assembly for a handheld trimmer includes a glider shaft coupleable at one end with a rotating head of the handheld trimmer, and a glider plate connected to an opposite end of the glider shaft. The glider plate is part-spherical or saucer shaped and includes a concave side and a convex side. A bearing acts between the glider plate and the glider shaft. The assembly enables an operator to rest the weight of the trimmer on the ground during use while controlling a cutting height.Type: ApplicationFiled: May 19, 2014Publication date: November 20, 2014Applicant: Aero-Flex Technologies, Inc.Inventor: Vincent D. Morabit
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Publication number: 20140250697Abstract: A thumbpiece or thumb support (400) positioned between a head assembly (300) and a handle assembly (200) of a power operated rotary knife (100). The thumb support (400) includes a thumb supporting surface (454) to support a thumb of an operator's hand during operation of the power operated rotary knife (100). The thumb support (400) comprises a base portion (410) and thumb supporting portion (450) including the thumb supporting surface (454). The thumb support (400) further includes an interface assembly (480) between the thumb supporting portion (450) and the base portion (410) for relative pivotal movement between the thumb supporting portion (450) and the base portion (410).Type: ApplicationFiled: March 11, 2013Publication date: September 11, 2014Applicant: BETTCHER INDUSTRIES, INC.Inventors: Edward A. Steele, Josiah Brinkerhoff, Tom Remm
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Publication number: 20140137416Abstract: A cutting tool for removing and adhesive joint for a window may include an anchor assembly to be anchored on a support surface, a pulling assembly including a cutting blade to cut the adhesive joint and a cord to move the pulling assembly towards the anchor assembly.Type: ApplicationFiled: November 22, 2013Publication date: May 22, 2014Inventor: Horvath Iosif Robert
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Patent number: 8539678Abstract: A device for a motor driven tool such as a pole hedge trimmer, a pole saw or the like. The tool includes a drive unit that via a shaft tube is connected to a cutting unit. The cutting unit is turnably secured at the shaft tube by the device which is a turnable connection, wherein the cutting unit is movable between a range of at least two working positions and a transport position. The cutting unit is provided with one or several movable cutting elements and the tool is provided with locking structure for locking the movement of the cutting elements when the cutting unit is in the transport position.Type: GrantFiled: April 28, 2005Date of Patent: September 24, 2013Assignee: Husqvarna ABInventors: Goran Dahlberg, Bengt Gustavsson
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Publication number: 20130180116Abstract: Front feet are provided at a lower part of a cutting-machine main body via a foot holder. Furthermore, a slider positioned on a front side relative to the front feet is provided at the lower part. When a workpiece to be cut is to be cut by a blade, the cutting-machine main body is tilted so as to let the blade go down. When the cutting-machine main body is tilted, a state where the front feet are in contact with the workpiece is switched to a state where the slider is in contact with the workpiece. Then, by moving the cutting-machine main body forward while sliding the slider on the workpiece, the workpiece is cut by the blade. In the cutting operation, the front feet can get away from the workpiece. Therefore, damage of the front feet can be prevented, and the running cost can be suppressed.Type: ApplicationFiled: January 18, 2013Publication date: July 18, 2013Applicant: HITACHI KOKI CO., LTDInventor: HITACHI KOKI CO., LTD
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Publication number: 20130160302Abstract: A harness is provided for carrying portable cutting devices including an operating handle. Said harness comprises a front part and a back part that are interconnected by straps. At least the back part is also connected to a belt, that wraps around a user's waist The disclosed harness is characterized in that the front part includes a Y-shaped pendular suspension element, the upper branches of which are or can each be connected to one of the straps via their upper ends, and the lower leg of which has a connecting means at the lower end to swingingly attach the handle of a cutting device.Type: ApplicationFiled: April 18, 2011Publication date: June 27, 2013Applicant: PELLENC (Societe Annoyme)Inventor: Roger Pellenc
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Publication number: 20120222316Abstract: An apparatus for cutting hair and, in particular, bangs, includes a main body portion configured to fit against a forehead of a user, the main body portion including at least one comb positioned on a front side thereof, a cutting element slidably attached to the main body portion, an adjustable strap attached to the main body portion, the strap positioned around a head of the user to secure the main body portion against the user's forehead. Once the main body portion is secure, the hair of the user is pulled over the main body portion and through the at least one comb, and the cutting element is then slid across the main body portion cutting the hair pulled through the at least one comb. The apparatus thus permits the user to cut their hair, preferably their bangs, in any fashion, preferably straight.Type: ApplicationFiled: March 2, 2012Publication date: September 6, 2012Applicant: GER, LLCInventors: Gino Chiodo, Emilio Cornacchione, George McConnell Davison, III, Peter Arthur Meier, Jason Reed Rogge, Colin Derek Curry
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Publication number: 20120159790Abstract: A spinning support guide for a trimmer head assembly includes a semispherical base, a base mount disc, the base mount disc being secured to the semispherical base by one or more flush mount machine screws, one or more spacer discs, each including a central aperture, each of the one or more spacer discs being disposed between the base mount disc and the semispherical base, and a guide fastener embedded within the spinning support guide. Furthermore, the guide fastener is adapted to threadingly attach to a threaded receptacle in an underside of the trimmer head assembly so as to secure the spinning support guide to the trimmer head assembly.Type: ApplicationFiled: October 20, 2011Publication date: June 28, 2012Inventor: Gene HOELSCHER
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Publication number: 20120159792Abstract: A kit for retrofitting a grass trimming apparatus with a spinning support guide includes a base mount disc, a semispherical base, a guide fastener having a head with a hexagonal opening, one or more spacer discs, one or more disc fasteners, and a hex key. Furthermore, the base mount disc is adapted to affix to the semispherical base with the one or more disc fasteners and define a chamber for partially housing the guide fastener therein, and the hex key is adapted to rotate the guide fastener to threadably attach to a threaded receptacle on an underside of the grass trimming apparatus.Type: ApplicationFiled: October 20, 2011Publication date: June 28, 2012Inventor: Gene HOELSCHER
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Publication number: 20120159791Abstract: A method of using a grass trimming apparatus includes the steps of: providing a grass trimming apparatus, including a trimmer head assembly having a spinning support guide at a bottom portion thereof, and a cutting mechanism positioned above the spinning support guide; holding the grass trimming apparatus in an operable position; placing the spinning support guide on a trimmable surface, whereby the spinning support guide provides a point of contact between the grass trimming apparatus and the trimmable surface; activating the cutting mechanism; trimming the cutting surface to a desired height; and moving the grass trimming apparatus along the trimmable surface while maintaining the point of contact.Type: ApplicationFiled: October 20, 2011Publication date: June 28, 2012Inventor: Gene HOELSCHER
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Publication number: 20120047752Abstract: A bolt for attaching a blade to a rotating blade carrier has a conical shoulder section with a conical wall tapering inward from bottom to top and a shoulder top edge above the conical shoulder section. A shank extends upward from the top shoulder edge, and is configured to extend through a shank hole in the carrier, and the shoulder top edge extends laterally outward from part of the shank. A threaded portion extends upward from the shank. A blade defines a vertical mounting hole with a conical portion with a slope corresponding to the conical portion off the bolt.Type: ApplicationFiled: September 1, 2010Publication date: March 1, 2012Inventor: Todd HOFMANN
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Publication number: 20120023761Abstract: A battery-powered portable cutting tool such as a chainsaw or hedge trimmer, comprising: a housing (1), a cutting element (2) supported by the housing, an electric motor (6) coupled to the cutting element (2) so as to drive the cutting element (2) to cut, a battery (5) electrically coupled to the motor (6) so as to supply electric current to the motor (6) and a control circuit (9) arranged to control the supply of electric current to the motor (6) from the battery (5), in which the control circuit (9) comprises a main switch (8) operable by a user and an auxiliary switch (10, 11) also operable by a user; in which the control circuit (9) has: an active state in which operation of the main switch (8) by the user allows electric current to flow to the motor (6) so as to cause the cutting element (2) to be driven; and an inactive state in which operation of the main switch (8) does not allow electric current to flow to the motor (6) and so the motor (6) does not drive the cutting element (2); in which operation oType: ApplicationFiled: April 1, 2010Publication date: February 2, 2012Applicant: HUSQVARNA ABInventors: Pär Martinsson, Johan Svennung, Johan Björnlinger
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Patent number: 7913401Abstract: A three-in-one cutting head for a rotary trimmer usable with discrete lengths of string, flail blades, and fan blades is provided. The present disclosure represents an improvement over presently existing multi-purpose trimmer heads in that there is no requirement for the trimmer head to be disassembled in order to change the different blades or strings. The cutting head being selectively rotationally driven through a drive shaft includes a generally cylindrical body having first and second pairs of diametrically opposed apertures disposed on a periphery of the body; at least one clamping member disposed in the body adjacent to each aperture of the first diametrically opposed pair configured for releasably retaining at least one cutting string; and at least one holding member disposed in the body adjacent to each aperture of the second diametrically opposed pair configured for releasably retaining at least one blade.Type: GrantFiled: July 9, 2007Date of Patent: March 29, 2011Assignee: Kwik Products, Inc.Inventor: Fernando R. Iacona
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Publication number: 20100126029Abstract: A portable powered tool has a frame, a working component on the frame for performing an operation, a drive on the frame for operating the working component, a shaft having a first output portion that is driven by the drive around a first axis to thereby cause operation of the working component, and a transmission assembly operatively connected to the first output portion of the shaft to transmit a drive force from the first output portion to the working component to thereby cause operation of the working component.Type: ApplicationFiled: November 25, 2008Publication date: May 27, 2010Inventor: Brent Peterson
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Publication number: 20100122465Abstract: A hand-held slicing device having a handle connected to a slicing tray. The slicing tray includes a ramp leading to a fixed blade. The ramp is readily adjustable such that the height of the edge of the ramp most closely adjacent the blade can be raised or lowered. In one version, the ramp can be raised or lowered by sliding a support structure connected to a knob that can be slideably adjusted by the user's thumb. The device may include a series of julienne blades that are selectively extendable above the slicing ramp or retractable below the ramp.Type: ApplicationFiled: August 19, 2009Publication date: May 20, 2010Applicant: PROGRESSIVE INTERNATIONAL CORPORATIONInventors: Larry Holmes, Sascha Kaposi
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Publication number: 20100088902Abstract: A handheld lawn tool including a first arm and a second arm, a third arm horizontally on the first arm and a forth arm pivotally on the second arm, an operator applying a functional grip on a first control grip over the third arm and on a second control grip along a first forward transport path in a horizontal cutting circle of a cutting tool, a reverse hand grasp on the second control grip for transposing the second grip into a third control grip with the boom arranged in a diagonal direction, the first functional hand grasp on the first control grip plus the second functional hand grasp on the third control grip with a vertical cutting circle of the cutting tool in a second transport path, the balancing point of the boom transposing between the transport path.Type: ApplicationFiled: January 6, 2009Publication date: April 15, 2010Inventor: Edward Patrick Hurley
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Publication number: 20100064529Abstract: A shock absorbing anvil pruner/lopper comprises a cutting blade and a shock absorbing anvil member with a compound action tang. The anvil member includes a liner member for engagement with the blade and a shock absorber in relation to the liner member, whereupon on engagement of the blade with the liner member during a cutting operation, the shock absorber will compress or otherwise absorb some of the force, providing for less physical shock being transmitted to the user through the pruner/lopper handles.Type: ApplicationFiled: September 16, 2008Publication date: March 18, 2010Applicant: BARNEL INTERNATIONAL, INC.Inventors: Linn E. Nelson, Karl H. Zeller
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Publication number: 20100000097Abstract: A weed trimming device includes a support member engageable with at least one of a user's back, a user's shoulders, and a combination thereof. Such weed trimming device includes a trimming member having a rotatable blade element for trimming plants and cutting grass and weeds. A motor is attached to such support member and operably connectable to such trimming member for enabling rotational movement of such blade element. A power source is operably connected to such motor for supplying power thereto. A switch mechanism is intermediate such power source and such motor for selectively supplying and terminating power to such motor.Type: ApplicationFiled: July 1, 2009Publication date: January 7, 2010Inventor: Donnie F. Johnson
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Publication number: 20090277021Abstract: A portable implement is provided that includes a tool element, arranged on one end of a guide rod, for the sawing, cutting and/or scything of undergrowth or grass, a motor, arranged at the other end of the guide rod, for driving the tool element, a holding element, arranged between the tool element and the motor, for holding the portable implement, and a connecting element, arranged on the guide rod or on the holding element, for connecting the holding element with the guide rod. The connecting element cooperates with the guide rod by means an operating element such that the operating position of the portable implement can be adjusted individually. The connecting element, in a first position of the operating element, is connected with the guide rod displaceably in longitudinal direction to the guide rod and for adjusting the operating position of the portable implement.Type: ApplicationFiled: May 7, 2009Publication date: November 12, 2009Applicant: DOLMAR GMBHInventors: Matthias Wenckel, Carsten Ziegs
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Publication number: 20090255131Abstract: A fabric cutter for making a fringe on an edge of a fabric having a base member, a lever member; and a row of blades for cutting a fringe in the edge of a fabric, the lever member being pivotally attached to said base member and having suspended there from the row of blades; the base member having rectangular cutting slots with sharp edges corresponding in position to a lower end of each blade of the row of blades, the cutting slots being adapted to permit penetration there through of the plurality of blades upon lowering the lever member toward the base member to cut a fringe in the edge of a fabric located between the row of blades and the rectangular cutting slots.Type: ApplicationFiled: April 12, 2009Publication date: October 15, 2009Inventor: Catherine L. Ice
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Publication number: 20090217535Abstract: A quick change knife blade assembly, for use in conjunction with a tape roll dispensing cartridge assembly of a case sealing machine, comprises a knife blade mounted upon a knife blade mounting plate. A pin plate is fixedly connected to mounting pins passing through the knife blade, and springs are interposed between the pin plate and the mounting plate so as to normally bias the pin plate to a position at which the mounting pins prevent the removal of the knife blade from the mounting plate. When the pin plate is depressed against the biasing forces of the springs, the mounting pins are moved so as to permit the knife blade to be removed from the mounting plate.Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Bryce J. Fox, William J. Menta
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Publication number: 20090151171Abstract: A cardboard cutter comprises a main body and at least one cutting assembly. The cutting assembly is slidably mounted on the main body and is fixed on the main body by a positioning assembly. By such arrangements, during cutting process, the cuffing assembly can be stably fixed on the main body by the positioning assembly and will not be moved by the upward resistance of the cardboard, so the cutting depth is fixed, and the cuffing operation can be finished at one time. Further, the cuffing lines are trim and the products are beautiful.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventor: Tsai-Lian Chen LIN
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Publication number: 20090106985Abstract: A hand-held implement for trimming mounted photographs, posters, and other laminates includes a handle, an edge guide connected to the handle defining a side surface for traveling against the peripheral edge of the substrate, and an upper guide connected to the handle defining a lower surface for traveling against the exposed front surface of the laminate. A blade, mounted on the upper guide, has a cutting edge extending below the lower surface of the upper guide and immediately adjacent the side surface of the first guide. When the side surface is stabilized against the peripheral edge of the substrate and pushed forward, the blade produces an edge perfectly matched to the edge of the laminate and an aesthetically pleasing appearance.Type: ApplicationFiled: October 27, 2008Publication date: April 30, 2009Inventor: Lamoyne W. Durham
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Publication number: 20090094841Abstract: A bush cutter for performing weed-cutting operations while suspended from the shoulders of an operator. The bush cutter is provided with an operating rod and an operating handle, which is provided midway along the operating rod in the longitudinal direction. The rearward rod-half of the operating rod between the operating handle and a motor has a curved part that curves laterally.Type: ApplicationFiled: October 15, 2008Publication date: April 16, 2009Applicant: Honda Motor Co., Ltd.Inventors: Tomomi NAKAYA, Hiromi Yuzuriha
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Publication number: 20090071014Abstract: A flexible strip trimmer device with a housing capable of holding an axle on one end, a circular cutting blade having a rotatably operable circumferentially extending cutting edge, the blade being mounted for rotary motion on the axle, a fastening to anchor the cutting blade to the axle at the outwardly directed outer end of the axle, the housing having a stop to guide the motion of the blade along the desired axis of motion for cutting, a recess in the stop in the cutting blade's radial plane which is sized to receive a portion of the cutting edge of the blade, the cutting blade traversing the recess so that a portion of it extends into the stop, and a handle attached to the housing.Type: ApplicationFiled: June 20, 2008Publication date: March 19, 2009Inventor: Cornelius Chow
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Publication number: 20080230240Abstract: A front suspension for a yard tool mounted on a bracket to a boom, the bracket having to support a drive shaft, a cutting disk, a shield and one or more front suspensions to dampen power transfer, the front suspension having a frame preferably connected to a wheel at a distal end and coupled to the bracket at a proximal end, the front suspension operated in parallel single orthogonal fold frameworks with height and width adjustments substantially below the yard tool center of mass, the front suspension having to support the yard tool in equilibrium in all operative and inoperative positions to save power, to guide the cutting disk with a longer and straighter cut, to dampen the cutting disk resistance adjacent to hard surfaces, and to fold away for the shield and cutting disk to perform soft yard grounds work.Type: ApplicationFiled: May 30, 2008Publication date: September 25, 2008Inventor: Edward Patrick Hurley
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Patent number: 7093366Abstract: A tool guide enables the earth or other surfaces to support the weight of a portable tool without using wheels or casters while providing a unique combination of adjustments positioning portable tools such as hedge trimmers to trim hedges or shrubs accurately. A first set of telescoping tubes is hinge coupled to one end of a second set of telescoping tubes. The other end of the second set of telescoping tubes rests and pivots upon the earth providing weight support and unique arc and rotational adjustment for the portable tool. The portable tool is mounted onto one end of a first set of telescoping tubes with a tool to handle adapter. An electrical cord is inserted through a portable tool handle extension and connects to the portable tool. A locking adjustment on the second set of telescoping tubes controls height adjustment.Type: GrantFiled: May 14, 2004Date of Patent: August 22, 2006Inventor: William Edward Black
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Patent number: 7017272Abstract: A weed and grass trimmer has a cutting line which is fed as the weed trimmer is in use. The weed trimmer's cutting head includes a spool for cutting line, and a housing. The spool has flanges around its circumference, which may engage a corresponding upper or lower set of flanges in the housing. Actuation of a control located near the handle operates either a cable or a solenoid, causing the spool to reciprocate between the upper and lower flanges. The difference in centrifugal force and angular velocity during this reciprocation causes additional cutting line to be fed.Type: GrantFiled: December 30, 2003Date of Patent: March 28, 2006Inventor: Albert S. Grace
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Patent number: 6968642Abstract: A bayonet assembly, for a firearm that has a knuckleguard, includes a rail connected to the firearm where the rail comprises a first position detent and a second position detent. The bayonet assembly may also include a bayonet that, in turn, includes a blade and a slide. The slide may be dimensioned and configured to engage the rail and the slide may include a slide catch that is dimensioned and configured to be engageable with the first position detent and the second position detent. In operation, the bayonet may be slid by a hand that is located within the knuckleguard from a remote position, where the slide catch engages the first position detent, to an extended position, where the slide catch engages the second position detent.Type: GrantFiled: August 24, 2004Date of Patent: November 29, 2005Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Fee Chan Leung
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Patent number: 6493944Abstract: An improved self-powered device for wearing on the back and for use by right and left handed operators in cutting foliage of the type having a backpack portion, a gas engine attached to the backpack portion, and a foliage cutting portion operatively connected to the gas engine. The improvement includes the gas engine being swively attached to the backpack portion so as to allow the gas engine to rotate from one side to the other relative to the backpack portion for allowing use by the right and left handed operators and so as to allow the foliage cutting portion to move forwards and backwards relative to the backpack portion without the right and left handed operators having to move relative to the foliage which would be required if the gas engine was rigidly attached to the backpack portion.Type: GrantFiled: February 23, 2001Date of Patent: December 17, 2002Inventor: Richard J. Jarzombek
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Patent number: 6381854Abstract: A bush-cutter for the manual moving of grass and the like comprises a rod or a stiff arm, working as a handle, which supports at one end a cutting head rotating around on axis and having cutting means with a cutting element, for example a blade or a flexible rope or the like, and engine means which make the cutting head rotate through gearing means. According to the invention, the bush-cutter comprises spacing means (13), including a spacer (14) which swings coaxially to said cutting head (11) around said axis (X—X) and which, during the mowing of the grass, selectively contacts any possible obstacle at a radial distance from the cutting head (11), that is longer than the radial extension of the cutting element of said cutting means (11.2), in respect of the head, in order to avoid the contact of said cutting element with the obstacle.Type: GrantFiled: June 9, 2000Date of Patent: May 7, 2002Inventor: Francesco Carlo Pagliero
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Patent number: 6314649Abstract: The invention relates to the assembly of a shaft bearing (16) in the end section (6) of a guide tube (5) of a brushcutter (1). The guide tube (5) accommodates a drive shaft. The bearing (16) is axially inserted into the end section (6) and is held so that it cannot separate therefrom. The outer diameter (DM) of the outer surface (18) of the bearing (16) is configured smaller than the inner diameter (DI) of the end section (6) in order to facilitate assembly and to ensure a force-tight inseparable seating of the bearing 16 in the end section. Several axial ribs (19, 20, 21) are distributed uniformly over the periphery of the outer surface (18). The radial elevation (H) of the axial ribs is slightly greater than approximately half the difference between the inner diameter (DI) of the end section (6) and the outer diameter (DM) of the surface (18) of the bearing (16).Type: GrantFiled: March 10, 2000Date of Patent: November 13, 2001Assignee: Andreas Stihl AG & Co.Inventor: Peter Linsbauer
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Patent number: 6178645Abstract: A device for severing a bonding strip located between and securing together two rigid panels, one of which may be of glass. The device has a flat elongated blade intended, in use, to be inserted between the panels to sever the bonding strip. The device is provided with a rest mechanism adapted to sit on one of the panels being separated to guide reciprocation of the elongated blade, whereby the blade reciprocates in a direction parallel to the panel being separated.Type: GrantFiled: December 27, 1996Date of Patent: January 30, 2001Inventor: Stanley Trevor Lock