Pressure operated coupler

Details Pressure operated coupler Pressure operated coupler

1979-07-03

1980-08-12

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220211, 220315, B65D 4532

Patent

active

042168767

ABSTRACT:
A coupler for use in clamping down a lid over a pressure vessel has a pair of clamping jaws movable toward and away from one another respectively between clamping and unclamping positions. The cylinder of a pressure-operated piston and cylinder unit is pivotally connected to support plates extending outwardly of one of the jaws, and the piston of such unit is pivotally connected to one end of the pair of linkages pivotally mounted at the other end thereof to the other of the clamping jaws. Curved slots defining tracks are provided in the support plates, and rollers are located on the linkages in engagement with the slots for controlling simultaneous movement of the clamping jaws toward and away from one another upon actuation of the piston and cylinder unit.

REFERENCES:
patent: 3077360 (1963-02-01), Israel
patent: 4119238 (1978-10-01), Ja'afar et al.
patent: 4140240 (1979-02-01), Platts

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