Backrest adjustment mechanism

Details Backrest adjustment mechanism Backrest adjustment mechanism

1976-04-08

1977-07-19

Frazier, Roy D.

Chairs and seats

Movable back

248408, 403106, 403325, A47C 100

Patent

active

040365255

ABSTRACT:
A chair rest member supported upon a back post includes a spring-urged laterally shiftable lever journalled within a housing carried by the rest member. A cutout in the back post includes a plurality of vertically spaced lock recesses selectively engageable by an offset catch on the lever to fixedly retain the rest member at a selected elevation.

REFERENCES:
patent: 848001 (1907-03-01), Berninghaus
patent: 3309050 (1967-03-01), Blink et al.
patent: 3326602 (1967-06-01), Moore et al.
patent: 3460794 (1969-08-01), Colautti
patent: 3854772 (1974-12-01), Abrahamson et al.

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