This invention relates to endless tracks and systems used to propel track-laying vehicles i.e., vehicles which use endless tracks rather than tires to contact the terrain over which they are driven, e.g., tractors, tanks, bulldozers, etc. and, more particularly, to an improved rubber track design and...http://www.google.com.au/patents/US20030047996?utm_source=gb-gplus-sharePatent US20030047996 - Endless track for high speed multi-terrain vehicles
