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| Number | Title | Issue Date |
| 8360535 | Sound reducing segmented idler for track-type vehicles An idler having an axis of rotation. The idler may include a hub with a flange. A plurality of rim members are positioned along a perimeter of the flange and have generally axially facing, opposite side surfaces. At least one of the side surfaces has a first interlo... | 01/29/2013 |
| 7914086 | Track idler with replaceable wear pads An idler for use with an endless track of a track-type vehicle comprises a wheel and a rim. The rim comprises fasteners and replaceable wear pads releasably mounted to and positioned about the periphery of the wheel using the fasteners. ... | 03/29/2011 |
| 7374257 | Machine track roller assembly A track-type work machine is provided, including a roller frame and a track extending about the roller frame. A track roller is mounted along the roller frame and rotatable against the track. The track roller is rotatably supported by a bearing that includes a shaft... | 05/20/2008 |
| 7309249 | Connector for joining two conductors The invention relates to a connector for joining two conductors, including a first semi-housing and a second semi-housing that can be moved from a position in which said second semi-housing is in a pre-locked state with the first semi-housing into a final locked pos... | 12/18/2007 |
| 7213894 | Shaft for roller wheel The invention provides a shaft for a roller wheel which is excellent in strength and can achieve a weight saving. The invention provides a shaft for a roller wheel which rotatably supports a roller (3) outward fitted between both end portions (5a, | 05/08/2007 |
| 7201242 | Tracked vehicle with improved track drive unit An all-terrain vehicle is supported and driven by endless track units. Each track unit includes a drive belt with rows of interior drive lugs driven by cogs on multiple sprocket wheels of a common drive wheel assembly having an integrated, one-piece drum and hub. Mu... | 04/10/2007 |
| 7198337 | Wheel for belted track vehicles A wheel for belted track vehicles includes a hub with an upright central disc. A series of individually cast and machined segments are mounted to the disc in side-by-side relation about the periphery of both sides of the disc. Each segment takes the shape of a trunc... | 04/03/2007 |
| 7137675 | Road wheel for tracked vehicles A hollow-shell road wheel for tracked vehicles includes a generally triangular, outer circumferential cavity formed by an outer rim and two wall members that extend radially inward at angles to a generally planar flange at approximately the mid-radius point of the h... | 11/21/2006 |
| 7134734 | Shaft for roller wheel The invention provides a shaft for a roller wheel which is excellent in strength and can achieve a weight saving. The invention provides a shaft for a roller wheel which rotatably supports a roller (3) outward fitted between both end portions (5a, | 11/14/2006 |
| 7100715 | Idler guide unit An idler guide unit for crawler type traveling apparatuses which attains the facilitation of clearance regulating operations and the reduction, which is owing to the facilitation of the mentioned operations, of traveling noise. This idler guide unit is formed so tha... | 09/05/2006 |
| 7032983 | Silent and reduced vibration chainwheel A silent and reduced vibration chainwheel includes a disk, multiple teeth and an energy absorber. The disk has an outer edge, two opposite sides and at least one recess. The teeth are formed radially at and extend out from the outer edge of the disk. The energy abso... | 04/25/2006 |
| 6903303 | Method and equipment for welding conductors to substrates A method of welding conductors to substrates with a stud attached to the substrate consists in welding to the substrate a stud which has the same composition by volume as the conductor and fastening the conductor to the stud by laser spot welding. ... | 06/07/2005 |
| 6899651 | Reduced sound transmitting sprocket A drive sprocket assembly includes a hub having an endless chain connected thereto. A plurality of driver members are mounted between the hub and the endless chain to provide sound suppression. ... | 05/31/2005 |
| 6874859 | Shaft/roller unit for tracked vehicles A shaft/roller unit for tracked vehicles which has a long life and resistance to wear is formed by a shaft (54) which has a shoulder (55) in its central portion, perpendicular to its axis, and onto which two wholly hardened steel half-rollers (56, 5... | 04/05/2005 |
| 6739678 | Isolated idler assembly An idler assembly includes a hub has a plurality of segments connected thereto. A groove is positioned in either an outer circumferential surface of the hub or the inner surface of the plurality of segments. The groove has first and second tapered sides that termina... | 05/25/2004 |
| 6726293 | Tracked mobile machine with star carrier roller and method of assembly Star carrier roller assemblies have been used in certain tracked mobile machines, such as those used in the timber industry, that must operate in cold weather and/or over rough terrain. Due to interaction of the star carrier roller assembly with a track chain assemb... | 04/27/2004 |
| 6652043 | Reduced sound transmitting idler for track-type vehicles An idler for supporting the forward end of an endless track of a track-type tractor has an endless chain resiliently supported on an outer flange of the idler hub. An outer surface of the chain provides a substantially continuous bearing surface for suppo... | 11/25/2003 |
| 6631961 | Isolated rim idler An idler wheel assembly, which supports and guides an endless track and provides sound suppression, and a method for providing sound suppression of an undercarriage of a machine. The idler wheel assembly includes a hub having a first side surface and a se... | 10/14/2003 |
| 6540630 | Reduced sound transmitting sprocket for track-type machines A sprocket for supporting and propelling an endless track assembly of a track-type machine. The sprocket has an endless chain which is resiliently mounted to an outer flange of a hub. The chain has outwardly projecting teeth that interact with the endless... | 04/01/2003 |
| 6484083 | Tandem robot control system and method for controlling mobile robots in tandem A control system for controlling mobile robots provides a way to control mobile robots, connected in tandem with coupling devices, to navigate across difficult terrain or in closed spaces. The mobile robots can be controlled cooperatively as a coupled sys... | 11/19/2002 |
| 6474754 | Roller assembly for an undercarriage of a work machine A roller assembly with a body member. The roller assembly also has a first roller rim secured to the body member. The first roller rim has (i) a first inner side wall segment extending outwardly from the roller surface, (ii) a first outer side wall segmen... | 11/05/2002 |
| 6416142 | Reduced sound transmitting idler for track-type vehicles An idler for supporting the forward end of an endless track of a track-type tractor has an endless chain resiliently supported on an outer flange of the idler hub. An outer surface of the chain provides a substantially continuous bearing surface for suppo... | 07/09/2002 |
| 6299264 | Heat shielded mid-roller Endless rubber track laying machines are provided with a pair of track laying assemblies positioned on opposite sides of the work machine. Each track laying assembly includes an endless rubber belt entrained around a drive wheel, an idler wheel, and a plu... | 10/09/2001 |
| 6280009 | Sound reducing carrier roller A sound reducing carrier roller supports and guides portions of an endless track of a track-type machine as that portion of the track travels between a drive wheel and an idler wheel of the machine. A portion of a rim segment is solidly mounted to the rol... | 08/28/2001 |
| 6206492 | Mid-roller for endless track laying work machine Endless track laying work machines are provided with a pair of track laying assemblies positioned on opposite sides of the work machine. Each track laying assembly includes an endless rubber belt entrained around a drive wheel, an idler wheel, and a plura... | 03/27/2001 |
| 6086169 | Midwheel assembly for a track type tractor A midwheel assembly for a track type tractor is disclosed. The midwheel assembly includes a hub having (i) a body portion and (ii) a hub plate extending radially from the body portion. The midwheel assembly also includes a wheel having (i) a wheel plate s... | 07/11/2000 |
| 6074024 | Guide wheel for flexible track of a track system A guide wheel for a track apparatus is provided. The guide wheel includes a central hub rotatably mounted to a frame of a track apparatus. A first guide wall extends radially from the central hub and terminates at an outer edge. A second guide wall also e... | 06/13/2000 |
| 6074023 | Guide roller assembly for crawler type vehicles and method for forming guide roller A guide roller assembly for use in a guide roller mechanism of a crawler type vehicle, including a support shaft fixedly provided on a truck frame and a guide roller rotatably mounted on the support shaft through bearings. The guide roller has an integral... | 06/13/2000 |
| 6074025 | Track apparatus incorporating cantilever mounted wheels A track apparatus having a frame is provided. The track apparatus is mountable on a rotatable axle of a vehicle and includes a continuous flexible track and a drive wheel mountable to the rotatable axle of the vehicle for rotational movement therewith. Th... | 06/13/2000 |
| 6068353 | Track apparatus incorporating non-pneumatic wheels A track apparatus is provided for mounting on a rotatable axle of a vehicle. The track apparatus includes a flexible track having an upper length and a ground-engaging lower length. A drive wheel is mountable to the rotatable axle so as to drive the flexi... | 05/30/2000 |
| 6062661 | Track system drive wheel for agricultural implements A drive wheel mounted on a rotatable axle of a vehicle is provided for driving a continuous flexible track. The drive wheel includes a central hub mountable on the axle for rotational movement therewith. First and second rim walls extend radially from the... | 05/16/2000 |
| 6062662 | Mounting device for track apparatus A mounting device is provided for mounting a drive wheel of a track apparatus to a rotatable axle of the vehicle. The mounting device includes a generally cylindrical sleeve having first and second opposite ends. The cylindrical sleeve includes a pluralit... | 05/16/2000 |
| 6012784 | Impact reducing idler wheel for a track-driven machine An impact reducing idler wheel comprises a retaining ring and a tread ring having a pair of mutually-spaced tread surfaces separated by a radially outwardly open annular groove. The retaining ring is positioned within the radially outwardly open annular g... | 01/11/2000 |
| 5908226 | Embossed wheel for snowmobile suspension assembly A guide wheel for use with the suspension assembly of a snowmobile vehicle is provided with an embossed rim surface. The later is formed of a succession of convex and concave surfaces, the convex surfaces contacting the inner side of the lower run of the ... | 06/01/1999 |
| 5899541 | Low profile rubber tracked snow vehicle with snow-clearing drive wheels A snow and ice-clearing track assembly (16) for a vehicle (10) is provided which has a plurality of rotatable track wheels (22-26) including a specialized drive wheel (24) together with a continuous loop, substantially imperforate track (34) disposed abou... | 05/04/1999 |
| 5829849 | Undercarriage assembly for attack-type machine In the operation of conventional track assemblies it is common for an idler to have a pair of laterally extending wear treads to engage and support the wear rails defined by the track links of the track assembly as it is driven thereabout. This ultimately... | 11/03/1998 |
| 5288143 | Track roller assembly having a replaceable flange A track roller assembly supports and guides the link rails of the endless track of a track-type vehicle as the endless track travels along the ground. Contact between the link rails and the roller assembly is at the tread portion of the roller. A replacea... | 02/22/1994 |
| 5207489 | Noise reduction apparatus for a track system of an off-highway implement A noise attenuating assembly for reducing noise levels caused by an endless track assembly during operation of an off-highway implement such as a crawler tractor. The noise attenuating assembly comprises an annular elastomeric ring affixed about an idler ... | 05/04/1993 |
| 5190363 | Drive wheel for a belted track crawler The invention is directed to a drive wheel for a belted track crawler having circumferentially spaced frictional engagement elements. Adjacent frictional engagement elements define circumferential gaps in the wheel for removing mud and debris from the tra... | 03/02/1993 |
| 5171074 | Low inertia track laying wheel A light weight road wheel having a relatively low mass moment of rotational inertia for use in a vehicle having an endless track. The wheel includes an inner metal member having a peripheral groove for receiving guide cleats of an endless track, and oppos... | 12/15/1992 |
