Anti-unscrewing devices

Details Anti-unscrewing devices Anti-unscrewing devices

1983-04-19

1985-04-23

Scanlan, Jr., Richard J.

Pipe joints or couplings

With means blocking release of holding means

285330, 285DIG14, F16L 5500

Patent

active

045125961

ABSTRACT:
A device preventing the unscrewing of two bodies (2, 3), and in particular of two lengths of a turbodrill, joined end-to-end in threaded union, said device comprising a blocking part (4) which immobilizes the two bodies by means of teeth. The blocking part (4) is provided with two series of teeth, one of which series engages with the teeth of one body and the other with the teeth of the other body.

REFERENCES:
patent: 579643 (1897-03-01), Gleason
patent: 1170779 (1916-02-01), Norling
patent: 2176504 (1939-10-01), McLaughin
patent: 2708132 (1955-05-01), O'Neill

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