Retractable support tube structure

Details Retractable support tube structure Retractable support tube structure

2008-05-20

2008-05-20

King, Anita M. (Department: 3632)

Supports

Stand

Standard type

C248S404000, C248S600000, C248S157000, C248S917000, C361S689000

Reexamination Certificate

active

07374139

ABSTRACT:
A retractable support arm structure, which is applied between a base and a steering mechanism of a LCD stand includes an upright arm having a hollow part, an telescopic arm having one end inserted into the hollow part, and a spring member located between the upright arm and the telescopic arm to store a upwardly extending potential energy and several friction members therebetween are used to maintain the balance. The upright arm and the telescopic arm are constituted by square tube made by seamless corner bar.

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