Chairs and seats – Armrest – Movable to nonuse position
Reexamination Certificate
1999-08-09
2001-07-10
Brown, Peter R. (Department: 3624)
Chairs and seats
Armrest
Movable to nonuse position
C297S411380
Reexamination Certificate
active
06257668
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a chair armrest joint adjustable for 360° in any direction, about a shaft particularly to make it possible to let one or two armrests of a chair to be moved to slope in minute various directions or bend down so as to let the arms of a person freely move.
Traditional chairs have a wide variety, some with rollers to move around on the ground, some with the seat adjustable in its height, some with the backrest possible to be reclined, some with the armrest adjustable in its height, etc. There are many kinds of armrest adjusting devices in conventional chairs, mostly adjustable in its height, or in horizontal movement to the right and left or forward and backward, but no adjusting device for sloping in any direction about a shaft.
SUMMARY OF THE INVENTION
This invention has been devised to offer a chair armrest joint adjustable for 360° in any direction about a shaft.
The feature of the invention is a fix member fixed on a seat bracket, a movable member fixed under an armrest of a chair, and a rotatable member to force the movable member to engage with or disengage from the fix member. The armrest, can be moved to slope in various minute directions and then locked again at the adjusted position by disengaging and then engaging the movable member with the fix member. Engagement or disengagement of the fix member and the movable member is effected by rotation of the rotatable member by means of teeth formed on contacting surfaces of both the fix member and the movable member.
REFERENCES:
patent: 2137335 (1938-11-01), Gabb
patent: 3397912 (1968-08-01), Bush
patent: 4614452 (1986-09-01), Wang
patent: 4807935 (1989-02-01), King
patent: 5056391 (1991-10-01), Stewart
patent: 5275465 (1994-01-01), Gulliver et al.
patent: 5678896 (1997-10-01), Chung
patent: 1054858 (1959-04-01), None
patent: 993321 (1951-10-01), None
Chou Ding-Guo
Chou Guo-Qing
Brown Peter R.
Kamrath Alan
Rider Bennett Egan & Arundel LLP
LandOfFree
Chair armrest joint adjustable for 360° in any direction... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chair armrest joint adjustable for 360° in any direction..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chair armrest joint adjustable for 360° in any direction... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2497048