Adjustable arm for a chair

Details Adjustable arm for a chair Adjustable arm for a chair

1991-12-05

1993-11-30

Dorner, Kenneth J.

Chairs and seats

Armrest

Adjustable to multiple use positions relative to bottom or back

29741145, A47C 754

Patent

active

052659380

ABSTRACT:
An adjustable arm for a chair and the like whereby the arm may be adjusted vertically within a plurality of incrementally spaced positions. The adjustable arm includes an actuator, a locking lever and a second lever located and mounted between the actuator and the locking lever. The second lever interacts with the actuator and the locking lever and has a pivot point for translating travel of the actuator to travel of the locking lever with ease and a minimum of effort on the part the user. The first lever includes a latch that coacts with predeterminately spaced grooves of a rack, thereby enabling the user to lock the arm into one of various vertical positions, easily and effortlessly.

REFERENCES:
patent: 3489458 (1970-01-01), Karlsen
patent: 4244623 (1991-01-01), Hall et al.
patent: 4311338 (1982-01-01), Moorhouse
patent: 4489981 (1984-12-01), Goletski
patent: 4496190 (1985-01-01), Barley
patent: 4619478 (1986-10-01), Heimnick et al.
patent: 4659135 (1987-04-01), Johnson
patent: 4674790 (1987-06-01), Johnson
patent: 4881424 (1989-11-01), Clark et al.
patent: 4951995 (1990-08-01), Teppo et al.
patent: 5009467 (1991-04-01), McCoy

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