F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
126/75.1
F24C 15/02 (2006.01)
Patent
CA 1089309
ABSTRACT A latch for ovens and the like includes a latch subassembly movable between latching and unlatching positions, a high temperature locking pawl engagable with the latch subassembly at a preselected elevated tempera- ture to block its movement to unlatching position, and a thermal element which moves the locking pawl into blocking position. First adjustment means is provided to engage the locking pawl during its movement from a nonblocking position to the blocking position so as to locate its abutment surface in a predetermined position in the path of movement of the latch subassembly. Second adjustment means is also provided and is engagable with the locking pawl during its movement from blocking position to nonblocking position so as to locate the abutment surface on the pawl in a predetermined position. As a result, the length of the path of movement of the pawl between its two positions and the disposition of the pawl in its blocking position may be readily adjusted to compensate for variations in temperature conditions and thermal gradients between ovens and thermal elements in ovens of differ- ent models and manufacturers.
305234
Marks & Clerk
Stanley Works (the)
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