Seat tilt mechanism

Details Seat tilt mechanism Seat tilt mechanism

1989-04-21

1989-12-05

Zugel, Francis K.

Chairs and seats

Movable bottom

Tiltable

297336, B60N 102

Patent

active

048848433

ABSTRACT:
A seat tilt mechanism includes a seat frame pivotally secured at its forward end to a floor mounted support. A first toggle link is pivotally secured at a pivot axis eccentrically displaced from the tilt axis for the seat and is in turn pivotally secured to a second link whose other end is pivotally secured to the rear of the seat frame about a support axis. An actuator is pivotally secured for rotation about the support axis together with the second link and preferably, the second toggle link is formed as a portion of the actuator. Moreover, the actuator forms a support leg for supporting the rear end of the seat in the seating position. A latch mechanism retains the seat in its seating position. The latch mechanism is supported by a latch housing which rotates in unison with the support leg so that both members are retracted beneath the seat as the seat is pivoted from its seating position to an access position which permits access to an area behind the seat. Preferably, the seat is retained in its access position by an over-center toggle relationship between the first and second toggle links.

REFERENCES:
patent: 1137172 (1915-04-01), Stewart
patent: 3880464 (1975-04-01), Murphy et al.
patent: 4636003 (1987-01-01), Siebler

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