Wheel substitutes for land vehicles inventions

20090278402 - Replaceable wear pad: A replaceable wear pad apparatus for a crawler track of a construction machine includes an elongated reinforcing element having first and second sides. The reinforcing element includes first and second holes disposed therethrough and includes first and second polygonal cross section sockets defined therein on the first side of the... Agent: Waddey & Patterson, P.C.

20090278403 - Track unit for moving a ground work vehicle: A track unit for moving a ground work vehicle, comprising two elastic elements proximate to the front and rear ends, interposed between a monolithic upper portion of the structure that supports the driving wheel and a monolithic lower portion that supports two pairs of coaxial guiding wheels with parallel axles... Agent: Modiano & Associati

20090273233 - Modular track tensioning system: A spring loaded track tensioning assembly for a track on a track driven vehicle has a spring subassembly that is retained on a spring shaft under a preload with a first fixed spring retainer and a second slidable spring retainer. The spring shaft has an outer end that extends beyond... Agent: Westman Champlin & Kelly, P.A.

20090267406 - Brake assemblies and actuators: A self-energising brake assembly, particularly for braking a drive shaft of a heavy tracked vehicle such as a tank, has a pair of discs carrying friction pads borne to rotate with the shaft. These friction discs are located to either side of a central non-rotating water-cooled disc assembly. A control... Agent: Oliff & Berridge, PLC

20090267407 - Traction assembly for a vehicle: This invention relates to a traction assembly for a vehicle which uses an endless traction band and a plurality of wheels for propulsion. The traction assembly pivots around a pivot point located under the traction axle of the vehicle. This pivot point is preferably longitudinally displaced in relation to such... Agent: Brouillette & Partners

20090267408 - Track shoe for caterpillar vehicle: A track shoe fastened on a chain of the caterpillar vehicle includes a body and a buffer block. The body includes an first surface adjacent to the chain, a second surface opposite to the first surface, a third surface, a fourth surface opposite to the third surface, a groove defined... Agent: Rosenberg, Klein & Lee

20090261650 - Unitized seal with integral spacer: A unitized seal assembly is provided for installation between linkages of a chain drive designed for tracked vehicles. The seal assembly facilitates field preventative maintenance on the drive chain by utilizing an integral spacer that holds the critical sealing surfaces together at all times, and has a seal head that... Agent: Freudenberg-nok General Partnership Legal Department