Actuator for the frictional engaging device
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United States of America Patent
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Jan 23, 1990
Grant Date -
N/A
app pub date -
Jan 27, 1988
filing date -
Feb 20, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An actuator for a four wheel drive transfer mechanism which is laid in a power transmission device and is controlled by an electrical signal sent from a controlling unit comprises a torque generating mechanism which converts electrical energy into a torque, and a torque-thrust conversion mechanism which converts the torque generated by the torque generating mechanism into a thrust force. The thrust force generated from the torque-thrust conversion mechanism is applied to the frictional engaging device to control torque distribution between front and rear vehicle wheels.
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