Vehicle seat structure

Details Vehicle seat structure Vehicle seat structure

1975-12-04

1977-07-12

Hafer, Robert A.

Supports

Stand

Tilting support surface

248396, 248399, 248423, A47C 1026, A47C 334

Patent

active

040349489

ABSTRACT:
A vehicle seat structure comprises a seat pivotally connected to swing link means which are in turn pivotally connected to the base by substantially parallel links to allow the vehicle seat to be both raised and lowered or tilted with respect to the base. A height select pin and a tilt select pin are normally restrained within notches in respective height and tilt position members to fix thereby a given height and tilt attitude of the seat. An actuating bar controlled by a control lever acts to disengage either the height select or tilt select pin to permit the pin to be seated in a different notch, thereby enabling seat position to be varied. Compression springs act, for both tilt and height seat position variations, to provide means whereby the weight of the seat operator can be used to adjust seat position.

REFERENCES:
patent: 2134135 (1938-10-01), Lefevre
patent: 2161367 (1939-06-01), McGregor et al.
patent: 2949153 (1960-08-01), Hickman
patent: 3218020 (1965-11-01), Rhodes
patent: 3685780 (1972-08-01), Stannebein
patent: 3788697 (1974-01-01), Barton et al.
patent: 3853295 (1974-12-01), Christin
patent: 3910543 (1975-10-01), Fourrey et al.

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