Locking device for a telescopic tube assembly

Details Locking device for a telescopic tube assembly Locking device for a telescopic tube assembly

2006-03-07

2006-03-07

Chan, Korie (Department: 3632)

Supports

Stand

Standard type

C403S368000

Reexamination Certificate

active

07007909

ABSTRACT:
A locking device for a telescopic tube assembly having an outer tube and an inner tube slidably received in the outer tube includes a securing ring securable inside the inner tube, a friction element adapted to be securely mounted on one distal end of the inner tube and having legs deformably extending out and a wedge adapted to be selectively and movably received inside the outer tube to force the legs to extend toward an inner periphery of the outer tube so as to increase friction between the legs and the outer tube. Thus movement of the inner tube in the outer tube is selectively controlled.

REFERENCES:
patent: 2275330 (1942-03-01), Tveten
patent: 2508039 (1950-05-01), Neuwirth
patent: 4671479 (1987-06-01), Johnson et al.
patent: 6027087 (2000-02-01), Lindemann et al.

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