Seat position control mechanism having a position memory element

Details Seat position control mechanism having a position memory element Seat position control mechanism having a position memory element

1974-08-29

1976-02-24

McCall, James T.

Chairs and seats

Movable bottom

Interconnected with back for relative concurrent movement

297379, 297354, A47C 102

Patent

active

039401820

ABSTRACT:
A vehicle seat assembly having a substantially horizontal seat member and a normally upright backrest pivoted relative to the seat member is locked in one of a plurality of selectable positions lengthwise of a stationary guide fixed to the vehicle floor. A seat position memory element is provided having a first latch which is selectively engageable with the stationary guide and a slide member which is slidably carried on the stationary guide. The slide member has a second latch which normally engages the stationary guide to lock the seat assembly in position and is disengaged therefrom when the backrest is folded forward to permit the seat assembly to move forward. A control shaft is rotatably carried on the slide member and arranged to coact with the first and second latches. Upon rotation of the control shaft, the first and second latches are disengaged from the stationary guide to move the seat to a selected position. Restoring of the control shaft causes the first and second latches to come into engagement with the stationary guide. When the backrest is folded forward to move the seat forward, the first latch remains engaged with the stationary guide while the second latch is disengaged therefrom. Upon return movement of the seat, the second latch comes into engagement with the stationary guide such that the seat assembly returns to the selected position.

REFERENCES:
patent: 2737229 (1956-03-01), Semar
patent: 2795265 (1957-06-01), Albrecht
patent: 2796113 (1957-06-01), Lyon et al.
patent: 2942646 (1960-06-01), Himka et al.
patent: 3695695 (1972-10-01), Colucci
patent: 3811726 (1974-05-01), Muraishi et al.
patent: 3814476 (1974-06-01), Abbott

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