Pressure cooker lid latch and lock

Details Pressure cooker lid latch and lock Pressure cooker lid latch and lock

1981-09-01

1985-02-12

Moore, Richard E.

Closure fasteners

Cross bars

Screw-operating means

292115, 292106, 220315, E05C 502

Patent

active

044986955

ABSTRACT:
A latching mechanism and pressure-operated safety lock for a pressure vessel such as a pressure fryer, the invention positively locks a lid of a pressure fryer over the cooking pot by means of a latch mounted on the distal end of a bar which centrally engages the lid to bias the lid into a pressure-tight relation with upper peripheral edges of the pot. The latch includes a spindle having a hook element formed at the lower end for engaging a catch mounted on the body of the fryer on tightening of the latch by rotation of a hub mounted on the spindle. The hub is provided with radially extending handles which facilitate rotation thereof. A safety lock operated by pressure generated by food cooking within the fryer cooperates with the latch to prevent opening of the lid when pressure of at least a predetermined value exists within the fryer.

REFERENCES:
patent: 1067717 (1913-07-01), Campbell
patent: 2134314 (1938-10-01), O'Donnell
patent: 2176306 (1939-10-01), Kuss
patent: 2277874 (1942-03-01), Miller
patent: 3543547 (1970-12-01), Sugiyama

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