Tube coupling locking device

Details Tube coupling locking device Tube coupling locking device

1994-09-28

1996-02-13

Nicholson, Eric K.

Pipe joints or couplings

With means blocking release of holding means

Thread lock

285420, 285 81, F16L 3500, F16L 1508

Patent

active

054906938

ABSTRACT:
A tube coupling locking assembly for preventing undesired loosening of a make-up coupling includes a cooperating pair of rigid lock members that encircle about a coupling nut with one of the lock members having an end connected to a second cooperating coupling nut or the body of an associated fluid device. The cooperating lock members are arranged to prevent relative rotation between the encircled coupling nut and the cooperating coupling nut or associated fluid device.

REFERENCES:
patent: 619795 (1899-02-01), Schreiner
patent: 716204 (1902-12-01), DeWaldo
patent: 1365477 (1921-01-01), Gabriel et al.
patent: 1433382 (1922-10-01), Kiper
patent: 1858992 (1932-05-01), Hansen
patent: 1914736 (1933-06-01), Coutu
patent: 3249370 (1966-05-01), Brogden
patent: 5139289 (1992-08-01), Koss
patent: 5222768 (1993-06-01), Hofer et al.
patent: 5312139 (1994-05-01), Marks et al.
patent: 5348349 (1994-09-01), Sloane
patent: 5350201 (1994-09-01), Bynum
patent: 5362111 (1994-11-01), Harbin

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