Thread connector anti-rotation device

Details Thread connector anti-rotation device Thread connector anti-rotation device

1989-04-14

1990-02-20

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285 92, 285334, F16L 3500

Patent

active

049020471

ABSTRACT:
A locking device for locking the threaded connection of two tubular members together utilizes a key. The threaded members have an overlapping section. One of the sections has a slot machined in it. A key is driven into this slot. The key fits in an interference fit to secure the members. The key has an enlarged head to enable the key to be extracted if the connection needs to be loosened.

REFERENCES:
patent: 573044 (1896-12-01), Seely
patent: 957576 (1910-05-01), Robinson
patent: 1031639 (1912-07-01), Funderburg
patent: 1064527 (1913-06-01), Norris
patent: 1067389 (1913-07-01), Webb
patent: 1240245 (1917-09-01), Oller
patent: 1578424 (1926-03-01), Godshalk
patent: 1654637 (1928-01-01), Collins
patent: 2234957 (1941-03-01), Boynton
patent: 3212796 (1965-10-01), Neuschotz
patent: 4261599 (1981-04-01), Streed

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