Pipe joints or couplings – Clamp
Patent
1983-04-07
1985-11-19
Scanlan, Jr., Richard J.
Pipe joints or couplings
Clamp
285364, 285406, 285177, F16L 2500
Patent
active
045537771
ABSTRACT:
A coupler for coupling together two pipes comprises a substantially cylindrical body on which a plurality of hook arms carrying latches are pivotally mounted. An actuator ring is rotatably mounted on the coupler body and has a cam surface which is arranged to cause the hook arms to pivot to move the latches into and out of a position in which they serve to lock a flange at the end of a pipe to a front flange of the cylindrical body. The pipe flange can be guided onto the coupling by guides and the guides are also effective to hold adaptor plates on the flange so that the coupler can be used to couple pipes of different diameters. No axial movement of any of the components of the coupler takes place during coupling, movement of the actuator ring being purely rotational and movement of the hook arms and latches being purely pivotal.
REFERENCES:
patent: 2645506 (1953-07-01), Sturgis
patent: 3558161 (1971-01-01), Bormioli
patent: 3586350 (1971-06-01), Ashton
patent: 3695635 (1972-10-01), Paddington
patent: 4113283 (1978-09-01), Curtis et al.
patent: 4202567 (1980-05-01), Paddington
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