Bi-stable spring loaded pivoting joint

Details Bi-stable spring loaded pivoting joint Bi-stable spring loaded pivoting joint

1997-03-20

1998-12-22

Knight, Anthony

Joints and connections

Articulated members

Lockable at fixed position

403113, 403119, 403120, F16C 1104

Patent

active

058510818

ABSTRACT:
The present invention provides a pivoting joint that has two stable positions. The pivoting joint is comprised of two housing elements that can rotate co-axially with respect to one another. A spring, generally in the shape of a modified hairpin, is contained within the two housing elements. The two ends of the spring fit into holes in one housing element, and the closed end of the spring is held, substantially irrotatably, in the other housing element. The spring urges the two housing elements to one or the other rotational extreme with respect to one another.

REFERENCES:
patent: 864747 (1907-08-01), Wilson
patent: 3339225 (1967-09-01), Booth
patent: 5217316 (1993-06-01), Ojima
patent: 5382108 (1995-01-01), Ojima
patent: 5393160 (1995-02-01), Ojima

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