Hub clutch device

Details Hub clutch device Hub clutch device

1994-06-01

1996-06-25

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Automatic

192 45, 192 451, 192 4892, 192 50, F16D 41067, F16D 4107, B60K 1734

Patent

active

055291589

ABSTRACT:
A hub clutch capable of automatically engaging and disengaging the front wheel axle to and from the wheel hubs according to the difference in rotational speeds therebetween. It has an inner ring coupled to the front wheel axle, an outer ring coupled to the wheel hub, a first retainer and a second retainer provided between the inner and outer rings, and sprags held by the first and second retainers. To one end of the first retainer is coupled a switch spring for producing a turning effort. A turning effort imparting device is coupled to its other end through a one-way clutch. While the vehicle is moving forward, the sprags are kept in a forward-travel ready-to-engage position, with the one-way clutch idling. When the vehicle begins to move backward, the one-way clutch locks, so that the sprags are inclined in the opposite direction to assume a backward-travel ready-to-engage position. When the wheel hub begins to rotate faster than the front wheel axle, the outer ring will overrun the sprags, disengaging the front wheels.

REFERENCES:
patent: 2910159 (1959-10-01), Nielsen
patent: 3055471 (1962-09-01), Warn et al.
patent: 4901831 (1990-02-01), Ito et al.
patent: 5135084 (1992-08-01), Ito et al.
patent: 5269399 (1993-12-01), Ito et al.
patent: 5355981 (1994-10-01), Itoh et al.

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