Joints and connections – Articulated members – Lockable at fixed position
Patent
1995-09-29
1997-04-29
Kim, Harry C.
Joints and connections
Articulated members
Lockable at fixed position
403 96, 403 92, F16C 1100
Patent
active
056241992
ABSTRACT:
A setting device for a joint comprises a box-like body with a U-shaped opening therein, a lower tube fixedly secured in the opening, an upper tube pivotally secured in the opening, a plurality of location holes defined through a face of the body in a semi-circular arrangement, a flexible retaining member contained within the upper tube and a lug thereof extended through the upper tube and one of the plurality of holes in body, and a pivot arm pivotally secured to the body. The upper tube may be pivotally extended away from the lower tube and retained in position by the lug which projects beyond the face of the body, and the pivot arm resting against a stop of the body. The pivot arm is moved to depress the lug into the upper tube, so that the upper tube can be moved to a second position.
REFERENCES:
patent: 1500132 (1924-07-01), Hummelgard
patent: 4261596 (1981-04-01), Douglas
patent: 4614453 (1986-09-01), Kassai
patent: 4666327 (1987-05-01), Su
patent: 5353892 (1994-10-01), Lu
patent: 5470037 (1995-11-01), Willis
patent: 5485655 (1996-01-01), Wang
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