Oven latch assembly with improved high temperature locking sub-a

Details Oven latch assembly with improved high temperature locking sub-a Oven latch assembly with improved high temperature locking sub-a

1977-09-14

1979-01-09

Camby, John J.

Stoves and furnaces

Stove doors and windows

Latches

292113, 292210, F24C 1502

Patent

active

041333373

ABSTRACT:
A latch for ovens and the like includes a latch subassembly movable between latching and unlatching positions, a high temperature locking pawl which is engageable with the latch subassembly at a preselected elevated temperature to block its movement to unlatching position, and a thermal element which rotates the pawl into the blocking position. Resiliently deflectable means is provided on the locking pawl to rotate the pawl into blocking position in the event that the latch subassembly is moved from the latched position towards the unlatched position as the preset elevated temperature for latching is approached, thereby compensating for lag in response of the thermal element and preventing opening of the oven door at elevated temperatures.

REFERENCES:
patent: 3406677 (1968-10-01), Anderson
patent: 3438666 (1969-04-01), Erickson
patent: 3469568 (1969-09-01), Torrey et al.
patent: 3540767 (1970-11-01), Champion

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