Self-locking connector

Details Self-locking connector Self-locking connector

1975-09-03

1977-12-20

Arola, Dave W.

Pipe joints or couplings

With means blocking release of holding means

Auxiliary latch

285321, F16L 1500

Patent

active

040637565

ABSTRACT:
The connector, in one embodiment thereof, rotatively receives a threaded coupling nut, and slidably receives an annular retainer. A spherical-keying arrangement prevents rotary movement between the retainer and body, and the retainer houses a pair of spring-loaded balls for forceably locking the coupling nut against rotation about the body. The coupling nut has an undulated radial surface which receives the balls to effect the rotation locking. The arrangement is so designed as to effect the locking with a substantially unvariably, resilient force, upon the coupling nut being rotatively threaded with and unthreaded from a mating coupling element.

REFERENCES:
patent: 660225 (1900-10-01), Smith
patent: 986818 (1911-03-01), Graham
patent: 2031878 (1936-02-01), Couta
patent: 3207535 (1965-09-01), Wilson
patent: 3343852 (1967-09-01), Blight et al.
patent: 3385613 (1968-05-01), McCall
patent: 3422390 (1969-01-01), Tucker
patent: 3552777 (1971-01-01), Heinrich et al.
patent: 3587032 (1971-06-01), Normann
patent: 3646495 (1972-02-01), Cowmeadow
patent: 3786396 (1974-01-01), Kemmer
patent: 3808580 (1974-04-01), Johnson
patent: 3920269 (1975-11-01), Anderson

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