Anti-rotation coupling

Details Anti-rotation coupling Anti-rotation coupling

1982-04-16

1984-12-11

Arola, Dave W.

Pipe joints or couplings

With means blocking release of holding means

285 91, 285175, 285330, 285333, 285DIG14, 29526R, F16L 1500

Patent

active

044874332

ABSTRACT:
A mechanical coupling is disclosed wherein similarly pitched and profiled but oppositely threaded threads are provided for two couplings incorporating an anti-rotation member such as a tongue-and-groove or a drill hole and dowel pin.

REFERENCES:
patent: 228209 (1880-06-01), Meier
patent: 1559874 (1925-11-01), Holland
patent: 2296198 (1942-09-01), Boynton
patent: 2417025 (1947-03-01), Volpin
patent: 4397484 (1983-08-01), Miller

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