Press-fit extendable support rod

Details Press-fit extendable support rod Press-fit extendable support rod

2011-05-31

2011-05-31

Mckinnon, Terrell (Department: 3632)

Supports

Props and braces

Adjustable length

C248S251000, C248S157000, C248S176300, C248S188200, C248S188500, C254S112000, C254S119000, C410S143000, C410S145000, C410S151000, C074S163000, C052S127200, C403S322400

Reexamination Certificate

active

07950615

ABSTRACT:
A press-fit extendable support rod includes an outer pipe and an inner pipe sheatheable along the outer pipe. An end of a rope is fixed to the inner pipe, and another end of the rope is extendable outward. A press-fit buckle device is sheathed to a joint of the inner and outer pipes. A rotary arm is pivotally coupled to the press-fit buckle device, and an end of the rotary arm has a first operating portion, a second operating portion and a third operating portion. The rotary arm can be pivotally coupled to the press-fit buckle device by one of the operating portions, and another end of the rope is wound onto each operating portion. When the rotary arm is turned, the rope is pulled, turned around, and pressed at each operating portion, and the length of the inner pipe extended out of the outer pipe is adjusted and fixed.

REFERENCES:
patent: 5890856 (1999-04-01), Huang
patent: 6062782 (2000-05-01), Huang
patent: 6247882 (2001-06-01), Huang
patent: 7374380 (2008-05-01), Huang
patent: 2007/0164184 (2007-07-01), Xammar Bove

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