Elevation-adjustable stand

Details Elevation-adjustable stand Elevation-adjustable stand

1995-07-28

1996-07-16

Brown, Peter R.

Chairs and seats

Rest for knee, leg, or foot

Portable

482 52, 248422, A47C 750

Patent

active

055360726

ABSTRACT:
An elevation-adjustable stand including a top block covered with a soft mat, a toothed shaft revolvably mounted on downward lugs of the top block, two end caps fastened to two opposite ends of the toothed shaft, two base blocks turned about the end caps for supporting the top block on the ground, two stop members coupled between the toothed shaft and the base blocks, and an adjustment knob fixed to one end of the toothed shaft for turning it to move the stop members in reversed directions in changing the elevation of the top block.

REFERENCES:
patent: 789813 (1905-05-01), Longley
patent: 4228745 (1980-10-01), Gale
patent: 5169360 (1992-12-01), Saunders
patent: 5294180 (1994-03-01), Grimm

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