Adjustment/engagement device in a vehicle seat

Details Adjustment/engagement device in a vehicle seat Adjustment/engagement device in a vehicle seat

1984-07-12

1986-05-20

Lyddane, William E.

Chairs and seats

Bottom or back with means to alter contour

297356, A47C 300

Patent

active

045896968

ABSTRACT:
An adjustment/engagement device applicable to a thigh support device, a head-rest height adjustment device and the like in a vehicle seat is disclosed. In this adjustment/engagement device, a stopper bracket having a plurality of engagement grooves engageable in only one direction and provided at their both ends with engagement pieces is provided in one of a fixed-side member and a movable-side member in a movable adjustment portion of the vehicle seat, while a lock bracket engageable into the front-end-side engagement groove of the stopper bracket and movable in a separating direction after abutment against the front-end-side engagement piece of the stopper bracket as well as a lock-off bracket rotatable when abutted against the rear-end-side engagement piece of the stopper bracket are provided in the other, whereby the position of the movable-side member can be adjusted by directly operating the movable-side member itself.

REFERENCES:
patent: 2120156 (1938-06-01), Simpson
patent: 4370000 (1983-01-01), Kazaoka et al.
patent: 4451084 (1984-05-01), Seeley

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