Land vehicles – Wheeled – Running gear
Patent
1998-07-24
1999-12-21
Dickson, Paul N.
Land vehicles
Wheeled
Running gear
280 90, 74388PS, B62D 1500
Patent
active
06003887&
ABSTRACT:
A centering compensator for resisting movement of the steerable wheels of a vehicle to either side of a selected center position, and for returning them to this center position after each such movement. The apparatus includes a cam follower member connected to the steerable wheels for movement therewith and arranged to engage the cam surface of a cam ring having one or more static rotational positions relative to its housing mounted on the vehicle frame. The cam surface has a centering depression and the follower member is carried by an arm member extending laterally from a centering shaft mounted for rotational movement relative to the cam ring. An actuator assembly applies a resilient biasing force to the follower arm for pressing the follower member into the centering depression in response to fluid pressure in a piston and cylinder assembly. The center position may be varied either locally or remotely by changing the static rotational position of the cam ring or the length of a centering shaft linkage.
REFERENCES:
patent: 4410193 (1983-10-01), Howard
patent: 4418931 (1983-12-01), Howard
patent: 4534577 (1985-08-01), Howard
patent: 5527053 (1996-06-01), Howard
patent: 5536028 (1996-07-01), Howard
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