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| Number | Title | Issue Date |
| 7316458 | Ventilating wheel for snowmobile slide rail suspension system A ventilating wheel provides a plurality of angled vanes extending from a hub. The ventilating wheel secures to the slide rail of a snowmobile suspension system. An endless track extends over the underside of the slide rail. A Hyfax may secure to the slide rail inte... | 01/08/2008 |
| 7219968 | Crawler system and crawler link structure There is provided a crawler system and a crawler link structure which can be easily assembled and is superior in durability and provided at low cost. The crawler system comprises a crawler 2 in which pairs of opposed right and left links 1a and ... | 05/22/2007 |
| 7156474 | Track and drive mechanism for a vehicle A tracked vehicle capable of traversing a variety of surfaces without damaging the surface traversed includes a track having an inner surface, an outer surface, and a pitch line between the inner surface and the outer surface. Driving lugs are attached to the inner ... | 01/02/2007 |
| 7066562 | Grouser shoe and fabrication method A grouser shoe for track drives commonly utilized by industrial and commercial equipment (e.g., bulldozers, backhoes, cranes, etc.) including a supportive pad and a ground engaging bar, the ends of such bar being bent to form wings, and method of manufacture thereof... | 06/27/2006 |
| 6952990 | Land mine overpass tread design A land mine pressure fuse avoidance system has a base. A tread on the base contacts the ground around a land mine and independently distributes pressures around the ground. The tread has plural independent closed cell foam rubber elements. Each element is separated ... | 10/11/2005 |
| 6929335 | Crawler shoe with peening pads in roller path Each crawler shoe comprises a main body having an upper surface, a lower surface, and opposite lateral sides and opposite front and rear sides. Each crawler shoe further includes a mechanism on the main body for articulately and releasably connecting the crawler sho... | 08/16/2005 |
| 5427443 | Annular elastic track An annular elastic track having sprocket-driven protrusions on the inner circumference and lugs on the outer circumference. The annular elastic track comprises a plurality of annular thin plates spaced radially from one another with a predetermined interv... | 06/27/1995 |
| 5228528 | Track for tracked motorcycle The invention relates to a track specially designed for vehicles such as motorcycles and bicycles. This track, which is transversely curved, allows the vehicle to move when in an upright position or when tilted sideways. Its main characteristics are that ... | 07/20/1993 |
| 5005921 | Endless track drive system An endless track drive system for use on a track vehicle such as a bulldozer includes a plurality of polymeric endless track drive members integrally interconnected in a closed loop to form an endless track, each drive member including at least one fricti... | 04/09/1991 |
| 4957332 | Track wheel A track wheel consisting of a longitudinal curved track mounted in an oval eometry on two support rollers. The track wheel is in effect an oval wheel with two axles. The axles of the two support rollers are mounted either directly or indirectly to the vehi... | 09/18/1990 |
| 4953921 | Ground engaging surface for endless tracks, wheels and tires An endless track (27) for tracked vaheicles comprising an endless flexible band (33) and a plurality of spaced elongated tread elements (41) provided on the outer surface of the band. Each tread element (41) is formed of resilient material and extends tra... | 09/04/1990 |
| 4750792 | Demolition and compaction track shoe and assembly for crawler vehicle A demolition and compaction track shoe and assembly for a crawler vehicle track includes a central opening and diagonally oriented demolition blades protruding sufficiently outwardly to be primarily useful in demolishing large rocks, home appliances, and ... | 06/14/1988 |
| 4694556 | Track tread The invention disclosed is that prefabricated wear pads are applied to the track link bodies of tracked vehicles by inserting projections of the pads through apertures in the link body from one side of the apertures and locking means co-acts with the proj... | 09/22/1987 |
| 4565412 | Track and road wheel assemblies for tracked vehicles A land mine resistant road wheel and track assembly for tracked vehicles which each road wheel includes a center hub surrounded by a plurality of fiberglass support rings whch are, in turn, surrounded by a fiberglass rim member. The entire road wheel is... | 01/21/1986 |
| 4455053 | Fabricated hinge track shoe A low-cost track shoe for tracked vehicles is fabricated from sheet metal stock or scrap pieces according to three alternate shoe structure disclosed herein. The shoe structures of this invention include a plurality of linkage members welded between a bot... | 06/19/1984 |
| 4452495 | Drive sprocket and track configuration A drive sprocket includes a plurality of equispaced rollers which mesh with complementary shaped receptacles defined by surface portions of drive lugs of adjacent sections of a track. The surface portions of adjacent drive lugs leave a gap at the bottom o... | 06/05/1984 |
| 4443041 | Track link including removable sprocket-engaging wear cap A track section of a track-laying tractor drive track includes a track link having a sprocket-engageable member defined by a base in the form of a generally semi-cylindrical bar and a wear cap removably received on the bar. The wear cap is in the form of ... | 04/17/1984 |
| 4435022 | Track block A track block for a track-laying vehicle. The block is characterized by an elongated unitary beam, with two diverging links extending radially in a common direction from opposite ends of the beam. The links are constructed to straddle, and to be hinged to... | 03/06/1984 |
| 4434642 | Reverse forging or replacement grouser bars A method for making replacement grouser bars particularly contoured to fit rock worn grouser shoes from blanks cut from inexpensive sheet metal. The blank has a straight lower edge and a curved upper edge such that the bar is thicker at the ends than in t... | 03/06/1984 |
| 4433874 | Crawler shoe having work-hardened pin-receiving hole A crawler shoe for a mining shovel or the like includes a portion in which a cylindrical hole is provided for receiving a steel pin which pivotally connects the crawler shoe to an adjacent shoe. The portion in which the hole is provided is fabricated of a... | 02/28/1984 |
| 4425007 | Tread belt link and cooperating drive tumbler A drive system comprising an endless tread belt made up of identical tread belt links and a cooperating drive tumbler is disclosed. The link is formed with a ground engaging bottom face, a drive wheel engaging top face, and connecting ears along its forwa... | 01/10/1984 |
| 4390214 | Crawler track structure having wear surface A track structure for a crawler track of a crawler vehicle, a crawler track employing such a track structure, and method of making the track structure are provided wherein the track structure comprises an ultra high molecular weight polymeric material hav... | 06/28/1983 |
| 4385652 | Endless track construction A plurality of sections are fitted together so that they fit around an uninflated tire and they are fastened together to form a rigid cylinder. The tire is then inflated thus holding the now solid rim or track in position. Each section includes a curved b... | 05/31/1983 |
| 4383718 | Low ground pressure track shoe A low ground pressure track shoe includes a ground-engaging surface defined, in part, by downwardly converging arcuate surfaces having a radius of curvature, at various points along the length of the shoe, which is slightly less than the distance between ... | 05/17/1983 |
| 4278301 | Tread belt and drive having involute gear drive A tread belt drive system for heavy mobile equipment includes an endless tread belt made up of a plurality of identical links joined together by link connecting pins. Each of the links has a ground engaging bottom and a top having a cog, or cog portion, p... | 07/14/1981 |
| 4175797 | Ground engaging tread or track comprised of improved articulated crawler pads, for treaded vehicles such as mining machines and the like An endless self-laying tread or track such as used on self-propelled mining machines and the like, the tread or track being comprised of a plurality of articulated crawler pads configured so as not only to effect good ground engagement but also to assist ... | 11/27/1979 |
