Wheel substitutes for land vehicles inventions 06/07

20070145820 - Crawler belt, crawler unit and method for manufacturing crawler belt: A crawler belt 20 comprises an endless steel belt 21 (high-tensile-strength belt) and a belt main body 22 made of rubber and attached around an outer periphery of the steel belt 21. The steel belt 21 has engagement holes 21a arranged at even intervals in a circumferential direction thereof. The... Agent: Osha Liang L.L.P.

20070138866 - Track assembly with bogie wheel structure: A tread assembly has front and rear main idler wheels supported by a frame. An assembly is provided to permit the front idler wheels to pivot laterally as the cart encounters uneven ground, in order to improve weight distribution across the tread and the idler wheels. The rear idler wheel... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070126285 - Pin assembly of track roller bogie in crawler type traveling apparatus and crawler type traveling apparatus with the assembly: A pin assembly (112) suitable for mounting a track roller bogie (5) on a track frame (1) of a crawler type traveling apparatus, wherein first to third rings (114 to 116) are disposed on an outer peripheral surface of a pin (13) having lubricant supply passages. Sealing means (18, 19)... Agent: Everest Intellectual Property Law Group

20070126286 - Endless track belt: An endless track belt for use in an industrial or agricultural vehicle is described. The endless rubber track belt comprises a rubber carcass having an inner surface having one or more drive lugs and an outer surface having tread lugs, the drive lugs having a reinforcement layer of low friction... Agent: The Goodyear Tire & Rubber Company Intellectual Property Department 823

20070126287 - Crawler, crawler pin, crawler bush, and crawler manufacturing method: A crawler having a crawler pin and a crawler bush having lubrication between the crawler pin and the crawler bush without lowering the strength of the crawler at the running time, thereby to prevent the creak or seizure, as might otherwise be caused at the running time. A metallic sliding... Agent: Posz Law Group, PLC