Two point lock for doors and windows

Closure fasteners – Bolts – Swinging

Reexamination Certificate

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Details

C292S280000, C292SDIG046

Reexamination Certificate

active

07837241

ABSTRACT:
A two point lock includes two pivotally mounted security hooks having sliding faces that engage sliding faces of a spring-loaded mishandling pin when the mishandling pin is vertically extended and the security hooks are rotatably retracted. The mishandling pin is vertically retracted when it abuts a jamb. When the mishandling pin is vertically retracted, the sliding faces disengage so that the security hooks can rotate to lock onto a striker on the jamb. Thus, the mishandling pin prevents the security hooks from being slammed into the striker before a door or a window is fully closed.

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patent: 7255375 (2007-08-01), Heid et al.
patent: 7418845 (2008-09-01), Timothy
patent: 2006/0130543 (2006-06-01), Alchin et al.
patent: 2228527 (1990-08-01), None
International Search Report and Written Opinion, 8 pages.

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