Vertically adjustable armrest assembly for a chair

Details Vertically adjustable armrest assembly for a chair Vertically adjustable armrest assembly for a chair

1998-06-08

1999-06-01

Nelson, Jr., Milton

Chairs and seats

Armrest

Adjustable to multiple use positions relative to bottom or back

29741137, A47C 754

Patent

active

059082216

ABSTRACT:
A vertically adjustable armrest assembly for a chair having a hydraulic actuator that allows the upper arm of the chair to be raised to a multiple of positions by engaging the hydraulic actuator with a lever located on the underside of the upper arm. The upper arm may also rotate about a horizontal axis allowing the user to orient the upper arm to the most comfortable position for keyboarding.

REFERENCES:
patent: 3829159 (1974-08-01), Leffler
patent: 3950027 (1976-04-01), Wilson
patent: 4934723 (1990-06-01), Dysarz
patent: 5393124 (1995-02-01), Neil
patent: 5395160 (1995-03-01), Krebs et al.
patent: 5536070 (1996-07-01), Lemmen
patent: 5636899 (1997-06-01), Schiff et al.
patent: 5795026 (1998-08-01), Dral et al.

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