Chair armrest having a height adjustable function

Details Chair armrest having a height adjustable function Chair armrest having a height adjustable function

2008-01-22

2010-02-16

Barfield, Anthony D (Department: 3636)

Chairs and seats

Armrest

Adjustable to multiple use positions relative to bottom or back

Reexamination Certificate

active

07661763

ABSTRACT:
An armrest for a chair includes an armrest support, a sleeve movably mounted on the armrest support, a support arm mounted on the sleeve, a locking member mounted between the armrest support and the sleeve, and a lifting device mounted between the armrest support and the sleeve. Thus, when the control knob of the lifting device is pressed, the movable shaft of the lifting device is unlocked from the locking member so that the movable shaft is movable in the locking member and the support post of the armrest support freely, and the sleeve is movable relative to the support post of the armrest support to adjust the height of the support arm.

REFERENCES:
patent: 6824217 (2004-11-01), Wang
patent: 6827406 (2004-12-01), Marini
patent: 6976739 (2005-12-01), Wang
patent: 7011371 (2006-03-01), Tsai
patent: 7234779 (2007-06-01), Bedford et al.
patent: 7341313 (2008-03-01), Bedford et al.

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