Splined safety lock

Details Splined safety lock Splined safety lock

1993-11-22

1994-09-20

Nicholson, Eric K.

Pipe joints or couplings

With means blocking release of holding means

Thread lock

285 86, F16L 5500

Patent

active

053483499

ABSTRACT:
A safety retainer ring is disclosed herein for holding a shaped nut in position on a threaded nipple or the like, which includes an annular body having an internal bore configured adjacent one open end to conform with the shape of the nut and having an external raised row of projections, each having a hole therethrough for receiving a straight pin formed in a length of a safety clip. Internal splines are provided adjacent the other open end adapted to receive mating external splines carried on a collar of the nipple to prevent relative movement therebetween whereby the nut cannot back off from its threaded connection with the threaded nipple.

REFERENCES:
patent: 3201149 (1965-08-01), Bragg
patent: 4693498 (1987-09-01), Baugh et al.
patent: 4877271 (1989-10-01), McCorkle et al.
patent: 4927187 (1990-05-01), Sanford et al.
patent: 5083819 (1992-01-01), Bynum
patent: 5094491 (1992-03-01), Berghammer et al.
patent: 5127674 (1992-07-01), Pouplier
patent: 5215336 (1993-06-01), Worthing
patent: 5256421 (1992-10-01), Chauvel

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