Rubber diaphragm type door locking mechanism

Details Rubber diaphragm type door locking mechanism Rubber diaphragm type door locking mechanism

1976-08-26

1978-06-06

Price, William

Receptacles

Closures

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

220DIG20, B65D 4500

Patent

active

040931048

ABSTRACT:
A locking mechanism for a door of an autoclave made up of a vent plate, a diaphragm, and a seat and a pressure plate that engages a locking mechanism on the side of the diaphragm remote from the pressure side.
The seat has a counterbore adjacent to its inner edge defining a shoulder. The diaphragm is clamped to the seat outwardly of the counterbore and the pressure plate can move into engagement with the flat surface defined by the counterbore when gas is under pressure in the chamber forcing the pressure plate against the door locking mechanism. The surface of the seat between the outer flat surface and the shoulder is contoured providing a smooth surface for the diaphragm to engage.

REFERENCES:
patent: 1659202 (1928-02-01), Jewell
patent: 1711803 (1929-05-01), Munday
patent: 1858013 (1932-05-01), Heins
patent: 2123662 (1938-07-01), Raymond
patent: 2220902 (1940-11-01), Hastings et al.
patent: 2396005 (1946-03-01), Gross et al.
patent: 2418614 (1947-04-01), Annin
patent: 2605957 (1952-08-01), Houston
patent: 2762394 (1956-09-01), Hastings
patent: 3491700 (1970-01-01), Phillips et al.

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