Double action latch

Closure fasteners – Bolts – Swinging

Patent

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Details

292DIG69, 126197, F05C 316

Patent

active

049602977

ABSTRACT:
The double action latch employs a strike with two latches and a stop on the opposite side of the latches. The handle actuates a pivotally mounted bracket unit to cause a roller to ride over the first latch while moving a plate into a plate into engagement with the stop. This brings the door into a partially opened position, for example, for venting an oven. The handle is returned to the upright position and then a second pull is effected to move the roller over the second latch so as to permit the door to be fully opened.

REFERENCES:
patent: 2397671 (1946-04-01), Larson
patent: 2659621 (1953-11-01), Jacobson
patent: 2689758 (1954-09-01), Orr
patent: 2698197 (1954-12-01), Jacobson
patent: 2723146 (1955-11-01), Dingman et al.
patent: 2868578 (1959-01-01), Squire et al.
patent: 3045465 (1962-07-01), Larson
patent: 4205867 (1980-06-01), Loikitz

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