| 摘要 |
PURPOSE:To enable a fine drive switching operation to be performed by only one lever by using a system in which switching operation is freely made for two-wheel drive or four-wheel drive operation by selectively transmitting a rotation force to front and rear wheels, and a brake device operable either under two-wheel state or under four-wheel state is provided. CONSTITUTION:Front wheels 3 and rear wheels 4 are provided to a lower runner 1, a rotation source 91 are provided to an upper rotator 2, and the rotation force of the rotation source 91 is transmitted through a fluid-pressure pump 92, a pipe 94, and a fluid motor 93 to a casing 96. Also, a transmission shaft 19 from the casing 96 to the front wheels 3 and a trasmission wheel 20 to the rear wheels 4 are provided, and two-wheel drive and four-wheel drive are switched to each other by switching the lever 56. A brake device 41 in which an outer gear 50A moving is coupled with an inner gear by switching the lever 56 is made up. |
