Adjustable display support

Details Adjustable display support Adjustable display support

1997-07-22

1999-06-15

Green, Brian K.

Card, picture, or sign exhibiting

Display device with gas or liquid movement

40607, 248414, G09F 1900

Patent

active

059115238

ABSTRACT:
An improved adjustable display support is disclosed wherein a pair of coaxially telescopic tubes are provided with an O-ring and cap clutch assembly. The resilient O-ring clutch rests on one terminal end of the tube having the larger diameter and surrounds and grips the tube with the smaller diameter that fits there inside. Surrounding the outer, larger tube, the O-ring, and the smaller, inner tube is a cap which remains in a generally fixed relationship in regard to the outer tube. The smaller, inner tube is thus adjustable within the larger tube and the resilient O-ring keeps it in place. In this fashion, the coaxial tube may be extended to a position and remain in that position through the action of the clutch. The assembly is provided with a base support and a display carrying support.

REFERENCES:
patent: 373376 (1887-11-01), Penfield
patent: 824596 (1906-06-01), Smith
patent: 958082 (1910-05-01), Bland
patent: 1309375 (1919-07-01), Taylor
patent: 1769004 (1930-07-01), Turse
patent: 1804770 (1931-05-01), Hershfield
patent: 1924858 (1933-08-01), Hopp
patent: 2468160 (1949-04-01), Benson
patent: 2636112 (1953-04-01), Dvorsky
patent: 4777750 (1988-10-01), Garfinkle

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