Wheel substitutes for land vehicles inventions 09/08

20080231110 - Track chain joint with radial seal unit: An endless track chain device, comprises first and second links and a track chain joint. The track chain joint comprises a radial seal unit that inhibits ingress of debris between a bushing of the joint and the second link into a region between a pin of the joint and the... Agent: Deere & Company

20080224535 - Track belt tension system and method: A machine including: a frame assembly including one or more drive wheels and one or more idler wheels affixed to the frame assembly; a track belt disposed about the drive and the idler wheel; a hydraulic actuator arrangement including a hydraulic cylinder and accumulator affixed to the idler wheel that... Agent: Troutman Sanders LLP

20080217992 - Crawler vehicle: In a crawler vehicle according to the present invention, at the time of crane operation at a place where a grounding space of crawlers is limited, a land leveling preparation is suppressed as less as possible so as to improve efficiency of the operation. The crawler vehicle according to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080217993 - Conformable track assembly for a robotic crawler: A suspension system for a lightweight robotic crawler is disclosed. The suspension system provides for mounting of a flexible endless track thereon. The suspension system includes a forward guide and a rearward guide around which the endless track can be looped. A deflector positioned between the forward guide and the... Agent: Thorpe North & Western, LLP.

20080217994 - Idler for crawler track: An idler for use on a tracked vehicle of the type having a track that includes a plurality of track links joined together, which track links pass around the idler. The idler includes a plurality of generally flat surfaces that come into contact with corresponding generally flat surfaces on the... Agent: Wells St. John P.s.

20080211298 - Dual mode undercarriage for tracked vehicle: A vehicle with a frame connecting a driver wheel, an idler wheel and mid-roller wheels, an endless track belt being tensioned around the driver wheel and the idler wheel and being in contact with the mid-roller wheels on a lower run thereof, the mid-roller wheels being arranged in boogies, including... Agent: Goudreau Gage Dubuc

20080211299 - Dynamically changing track support for tracked vehicle: A dynamically changing track support for a tracked vehicle, includes a body with one or more track engaging wheels mounted for rotation to the body and extending above the top of the body and below the bottom of the body. At least two arms are provided. Each arm has a... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080211300 - Core-less crawler track: The present invention provides a crawler in which, due to alteration of a shape of rubber projections which mesh with a sprocket, even when earth, sand and the like has been deposited at an inner peripheral surface of the crawler, damage to the concerned rubber projections will not be incurred.... Agent: Sughrue Mion, PLLC

20080211301 - Tread pattern: A tread pattern for a vehicle track, such as an endless track for earth moving equipment, comprises a plurality of groups of tread lugs. Each group of tread lugs may comprise one or more tread lugs defining a generally “S” shape or a variation thereof. A vehicle track comprising the... Agent: Shumaker & Sieffert, P. A.