Chair with an adjustable back part

Details Chair with an adjustable back part Chair with an adjustable back part

1994-09-01

1996-05-21

Cranmer, Laurie K.

Chairs and seats

Movable back

Tiltable

297356, B60N 202

Patent

active

055182950

ABSTRACT:
Chair comprising a seat part and a back part that are hinged together, the back part being movable relative to the seat part between two extreme positions, one of the parts being provided with a toothed segment having teeth shaped like sawteeth, the other part being provided with a catch which engages with the toothed segment to fix the latter in various positions at least against a movement in one direction, and means that press the catch against the toothed segment, the toothed segment containing a cam that engages with a cam follower connected to the catch, the cam pressing the catch away from the toothed segment in one extreme position of the back part, holding devices being present to retain the catch in this position and release devices that release the catch from the holding devices in the other extreme position of the back part.
In addition, means may be present that can be actuated by hand to release the catch from the toothed segment in any desired position of the back.

REFERENCES:
patent: 457125 (1891-08-01), Liesenbein
patent: 970635 (1910-09-01), Matthes
patent: 3484831 (1969-12-01), Higuchi
patent: 5169257 (1992-12-01), Liou
patent: 5397168 (1995-03-01), Hand
Netherlands Search Report (1994).

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