Computer desk with pneumatic elevation control means

Details Computer desk with pneumatic elevation control means Computer desk with pneumatic elevation control means

1999-06-30

2000-07-25

Chen, Jose V.

Horizontally supported planar surfaces

Vertically adjustable

Shelf type

10814719, A47B 900

Patent

active

060924748

ABSTRACT:
A computer desk includes an upright square tube raised from a base, locating ring moved along the upright square tube, a sleeve moved up and down with the locating ring along the upright square tube and supported on a pneumatic cylinder inside the upright square tube, a first desk top fixedly supported on the sleeve, and a tightening up screw threaded into a transverse screw hole at the sleeve and fastened tight to stop the locating ring against the periphery of the upright square tube in fixing the locating ring and the sleeve to the upright square tube at the desired elevation.

REFERENCES:
patent: 1782660 (1930-11-01), Meyer
patent: 2703691 (1955-03-01), Minnis
patent: 4163536 (1979-08-01), Heller et al.
patent: 4365561 (1982-12-01), Tellier et al.
patent: 5207405 (1993-05-01), Cobb
patent: 5243921 (1993-09-01), Kruse et al.
patent: 5606918 (1997-03-01), Cauffiel
patent: 5615620 (1997-04-01), Owen
patent: 5767079 (1999-02-01), Charny
patent: 5845587 (1998-12-01), Ditonto

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