Telescopic column

Details Telescopic column Telescopic column

2008-05-20

2008-05-20

Gordon, Stephen (Department: 3612)

Freight accommodation on freight carrier

Load bracing means

Brace bar, wall-to-wall

C410S143000

Reexamination Certificate

active

11306471

ABSTRACT:
A telescopic column includes a cylinder and a post inserted in the cylinder partially. The post includes a ladder formed thereon. A mount is attached to the cylinder. A positioning element is installed on the mount pivotally. The positioning element includes a dent for engagement with the ladder during an attempt to insert the post into the cylinder and for disengagement from the ladder when the post is extended from the cylinder. A gear is installed on the amount rotationally. A handle is installed on the mount so as to provide pivotal in an active direction and in an idle direction opposite to the active direction. An extending element is installed on the handle movably. The extending element includes a detent for engagement with the gear in the active direction of the pivotal of the handle and for disengagement from the gear in the idle direction of the pivotal of the handle.

REFERENCES:
patent: 6755600 (2004-06-01), Scott
Taiwanese Patent Publication No. M274466, Sep. 1, 1994, 12 pages.

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