Closure fasteners – Bolts – Hooked end
Patent
1987-09-22
1989-06-13
Moore, Richard E.
Closure fasteners
Bolts
Hooked end
292DIG69, E05C 502
Patent
active
048385867
ABSTRACT:
A latch for oven doors and the like includes a support, and a latch assembly movable on the support between latching and unlatching positions having a handle, a latching arm and a projecting arm. The handle is operative to move the latch arm between latching and unlatching positions. Also included are a locking pawl having an abutment thereon engagable by the projecting arm to block its movement from latching to unlatching position, a thermal element operatively connected to the locking pawl and responsive to elevated temperatures to move the pawl from a first position wherein the abutment is removed from the path of movement of the projecting arm from latching position to unlatching posiiton and to a second position wherein the abutment is disposed in the path of movement of the projecting arm to block its movement into unlatching position. The thermal element is being responsive to a subsequent decline in temperature to move the pawl from the second position to the first position, and the projecting arm is configured to contact the abutment in its second position so that the arm cannot be moved past the abutment from its unlatched position.
REFERENCES:
patent: 3325200 (1967-06-01), Fowler
patent: 3406677 (1968-10-01), Anderson
patent: 3438666 (1969-04-01), Erickson
patent: 3540667 (1970-11-01), Siegel
patent: 4133337 (1979-01-01), Shea
patent: 4163443 (1979-08-01), Peterson
patent: 4174860 (1979-11-01), Shea
patent: 4364589 (1982-12-01), Watson
patent: 4554907 (1985-11-01), Overley et al.
patent: 4593945 (1986-06-01), Arute et al.
Moore Richard E.
The Stanley Works
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