Pipe coupling with a locking device

Details Pipe coupling with a locking device Pipe coupling with a locking device

1981-02-19

1983-08-30

Callaghan, Thomas F.

Pipe joints or couplings

With means blocking release of holding means

Set screw

285369, 285404, F16L 2108

Patent

active

044013248

ABSTRACT:
A locking device for pipe couplings of the non-threaded type arranges an elongated rotatable cam transversely of the coupling in engagement with a pipe positioned therein and extending therefrom to forcefully engage the pipe in the coupling to prevent deviation from the axis of the coupling as well as rotation of the coupling relative to the pipe or vice versa.

REFERENCES:
patent: 1172669 (1916-02-01), Caldwell
patent: 1570155 (1926-01-01), Karbowski
patent: 2127284 (1938-08-01), Board
patent: 2935342 (1960-05-01), Seamark
patent: 3139480 (1964-06-01), Desloge
patent: 3148902 (1964-09-01), Gardner, Sr. et al.
patent: 3158388 (1964-11-01), Marshall
patent: 3284561 (1966-11-01), Clements
patent: 3669475 (1972-06-01), Luckenbill et al.
patent: 3822074 (1974-07-01), Welcker
patent: 3841672 (1974-10-01), Schultz et al.
patent: 4138146 (1979-02-01), Rumble
patent: 4289339 (1981-09-01), Hansen

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