Device for adjusting the length of a support

Details Device for adjusting the length of a support Device for adjusting the length of a support

E - Fixed Constructions

04

G

E04G 5/00 (2006.01) E04G 5/16 (2006.01) E04G 7/30 (2006.01) E04G 25/08 (2006.01)

Patent

CA 2135957

A device for adjusting the length of a support composed of an outer tube and an inner tube slidably insert- ed in the outer tube, includes an opening extending radially through the outer tube, a spacer radially movably received in the opening and confronted with an outer surface of the inner tube, a housing mounted on the outer tube in confront- ing relation to the opening, and a wedge slidably inserted in the housing to force the spacer radially inwardly against the inner tube. With this construction, the inner tube and the outer tube can be firmly fastened together with a great tightening force without damaging the inner tube. A stopper pivoted on the wedge and normally urged upward by a spring is able to preclude an unintended omission of driving the wedge or an incompletely driven or tightened condition of the wedge.

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