| 摘要 |
PCT No. PCT/AU92/00649 Sec. 371 Date Jun. 3, 1994 Sec. 102(e) Date Jun. 3, 1994 PCT Filed Jul. 14, 1994 PCT Pub. No. WO93/10735 PCT Pub. Date Jun. 10, 1993.A four wheel drive vehicle suitable for use as a wheelchair or the like. The vehicle has a steering arrangement which allows the vehicle to be steered merely by selectively driving the left and right wheels. The steering arrangement requires at least one of the front and rear pairs of wheels to be castor mounted so as to be freely pivotal around respective pivot pins, with the pair of castor mounted wheels being linked so that they pivot generally in unison. Preferably, each of the castor mounted wheels rotate in a vertical plane which is laterally spaced from the pivot pins. |
