Method and device for controlling headrest

Details Method and device for controlling headrest Method and device for controlling headrest

1990-10-23

1992-04-14

Ro, Bentsu

Electricity: motive power systems

Limitation of motor load, current, torque or force

318266, 318286, 318469, B60N 248

Patent

active

051051320

ABSTRACT:
A method and device for controlling a headrest provided on a seat back of a seat, in which there is arranged an over-load detecting system for detecting an over-load state of a motor and automatically stopping the motor if the over-load state is detected during displacement of the headrest to a use position, or automatically driving the motor to return the headrest to a use position if the over-load state is detected during displacement of the headrest to a non-use position. This allows for removing an object caught in between the headrest and seat back with much safe.

REFERENCES:
patent: 4797824 (1989-01-01), Sugiyama et al.
patent: 4809180 (1989-02-01), Saitoh
patent: 4935680 (1990-06-01), Sugiyama

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