Locking device to secure a telescopic tube assembly

Details Locking device to secure a telescopic tube assembly Locking device to secure a telescopic tube assembly

2006-05-09

2006-05-09

Stodola, Daniel P. (Department: 3679)

Joints and connections

Articulated members

Lockable at fixed position

C403S109600, C403S377000, C403S378000, C403S379100, C403S379200, C248S125800

Reexamination Certificate

active

07040832

ABSTRACT:
A locking device has an enclosure partially securely mounted on a peripheral edge of the outer tube and having a lever pivotally connected to the enclosure; and a positioning rod securely connected to a side of the lever to be driven by the lever and having a head formed on a free end of the positioning rod to correspond to one of the adjusting recesses of the inner tube such that pivotal movement of the lever is able to drive the head of the positioning rod to selectively move away from the corresponding adjusting recess to allow the inner tube to move relative to the outer tube.

REFERENCES:
patent: 1217709 (1917-02-01), Cobel
patent: 4185936 (1980-01-01), Takahashi
patent: 4362415 (1982-12-01), Metz et al.
patent: 5039043 (1991-08-01), Hodge
patent: 5385323 (1995-01-01), Garelick
patent: 5433552 (1995-07-01), Thyu
patent: 6082680 (2000-07-01), Woodward et al.
patent: 6347777 (2002-02-01), Webber et al.
patent: 6354664 (2002-03-01), Chen
patent: 6551226 (2003-04-01), Webber et al.
patent: 6698962 (2004-03-01), Wang

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