Seat frame

Details Seat frame Seat frame

1991-05-23

1992-04-07

Aschenbrenner, Peter A.

Chairs and seats

Movable back

Tiltable

257153, A47C 1026

Patent

active

051021943

ABSTRACT:
A seat frame for reclining type seat which includes a toggle actuated release mechanism for the back support pivot joint. The release mechanism includes a toggle arm connected to peripheral lock members which mesh with rotatable gears connected to the back support. A manually operable lever arm is connected to the toggle arm knee joint to selectively shift the toggle arm between a normally locked position and an unlocked position wherein the back support may be shifted.

REFERENCES:
patent: 2505490 (1950-04-01), Greenbaum
patent: 3133764 (1964-05-01), Naef
patent: 3901100 (1975-08-01), Iida et al.
patent: 4103964 (1978-08-01), Klingelhofer et al.
patent: 4938603 (1990-07-01), Turner et al.
patent: 4946223 (1990-08-01), Croft et al.

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