Adjustable chair stand

Details Adjustable chair stand Adjustable chair stand

1997-11-04

1998-10-06

Brown, Peter R.

Supports

Stand

Standard type

29734418, A47C 324

Patent

active

058165568

ABSTRACT:
An adjustable chair stand including a stand having a socket at a top side thereof, a threaded stem inserted into the socket and secured thereto to support a seat at the desired elevation, a bushing mounted in the socket around the threaded stem and having an arched packing plate in a side opening thereof, a lock screw mounted on the socket and turned to press on the arched packing plate against the threaded stem, and a clamping device fastened to the threaded stem and supported on the socket to stop the threaded stem from linear movement, the clamping device including two hinged arched clamping plates, and a fastener adapted to fix the free ends of the hinged arched clamping plates together.

REFERENCES:
patent: 3086744 (1963-04-01), Cramer, Jr.
patent: 3870271 (1975-03-01), Bowman
patent: 4253632 (1981-03-01), Doerner
patent: 5722627 (1998-03-01), Hoshino

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