Four wheel drive working vehicle

Details Four wheel drive working vehicle Four wheel drive working vehicle

1988-07-06

1989-09-05

Mitchell, David M.

Motor vehicles

Having four wheels driven

Including separate mechanical assemblies for transmitting...

74 154, 180250, 192 8718, B60K 1734

Patent

active

048629880

ABSTRACT:
A four wheel drive working vehicle comprises a first shaft for driving rear wheels, and a second shaft for driving front wheels. The first and second shafts are coaxially and relatively rotatably supported by a transmission case. The first shaft carries a first gear relatively rotatably mounted thereon, and the second shaft carries a second gear fixed thereto. A gear transmission unit is detachably bolted to the transmission case to transmit drive from the first gear to the second gear. A clutch device is mounted on the first shaft to be switchable between a position to directly interconnect the first shaft and the second gear for driving the front and rear wheels at the same speed, and a position to directly interconnect the first shaft and the first gear for driving the front wheels at a higher speed than the rear wheels.

REFERENCES:
patent: 3232125 (1966-02-01), Lee et al.
patent: 4286686 (1981-09-01), Franke
patent: 4574910 (1986-03-01), Miki et al.
patent: 4696365 (1987-09-01), Ishimori et al.
patent: 4716775 (1988-01-01), Horii et al.
patent: 4723622 (1988-02-01), Toshikuni et al.
patent: 4723623 (1988-02-01), Teraoka et al.
patent: 4768602 (1988-09-01), Inoue et al.

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