Height adjusting means for a chair

Details Height adjusting means for a chair Height adjusting means for a chair

1994-07-21

1995-08-29

Dorner, Kenneth J.

Chairs and seats

Movable bottom

Bottom and back movable as a unit

29734414, 29734412, 248415, 2481885, A47C 100, A47C 102, A47C 106

Patent

active

054454328

ABSTRACT:
A chair including a seat and a back, the back including a pair of parallel guide plates protruding from a rear surface thereof, each guide plate having a longitudinal groove. The seat and back are supported by first and second front legs and first and second rear legs, and a transverse part extends between the first and second front legs. The transverse part includes a top head portion including two guide tips respectively slidably received in the longitudinal grooves of the guide plates. Additionally, a height adjusting device is provided, including at least one casing slidably mounted on the first front leg, the casing including an operating element having a protrusion adapted to engage recesses formed in the first front leg of the chair.

REFERENCES:
patent: 2485111 (1949-10-01), Robins
patent: 2637371 (1953-05-01), Boutin
patent: 5165755 (1992-11-01), Rho
patent: 5176356 (1993-01-01), Lorbiecki et al.
patent: 5332241 (1974-07-01), Rho
patent: 5348374 (1994-09-01), Kuo

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