Rotary assistance mechanisms, more especially for vehicle steeri

Motor vehicles – Compensating devices

Patent

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Details

74388PS, B62D 504

Patent

active

044163452

ABSTRACT:
An assistance mechanism is provided, which is adapted to be coupled to a driven member capable of rotating alternately in both directions, in response to the rotation of a drive shaft. The assistance mechanism comprises a motor, a device for reducing the speed of the motor and at least one clutch actuated by a controller. The controller includes a part which is coaxial with the driven member and slides against a resilient return spring in relation to the amplitude and the direction of the torque applied by the drive shaft. Each clutch is mounted on a shaft of the device for reducing speed, which rotates faster than the driven member. The controller further comprises a connection between the sliding part and the clutches.
This rotary assistance mechanism is particularly suitable for use in conjunction with vehicle steering mechanisms.

REFERENCES:
patent: 2833154 (1958-05-01), Barnes et al.
patent: 3511104 (1970-05-01), Piat
patent: 3534623 (1970-10-01), Goodacre et al.
patent: 4223254 (1980-09-01), Adams
patent: 4241804 (1980-12-01), Deininger et al.
patent: 4250765 (1981-02-01), Niklaus et al.

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