E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
292/20, 292/49,
E05C 1/06 (2006.01) E05B 65/08 (2006.01)
Patent
CA 1187532
ABSTRACT OF THE INVENTION Herein is disclosed a novel locking mechanism for a sliding window or door of the type having an outer surrounding rectangular frame mounted to a wall, and an inner transparent pane mounted to a second rectangular frame slidably mounted within the outer frame. The locking mechanism is incorporated within one side of the inner frame and comprises a slide, a latch adapted to move and lock the slide, a deadbolt attached to the slide and adapted to extend into the outer frame to lock the two frames together, and a latch accessed through a latch port defined in the side of the inner frame. The latch port comprises a wider locking segment and a narrower adajacent unlocking segment, and the latch comprises a post attached to the slide and a button slidably mounted on the post and sized to extend through the wider locking segment of the latch port. A coil spring surrounding the post forces the button into the wider locking segment when the deadbolt is in the lock position, thus maintain- ing the latch and slide in a vibration-resistant config- uration until the button is depressed through the wider locking segment and transported along the unlocking seg- ment of the port.
421997
Meredith & Finlayson
Metzger Thomas J.
LandOfFree
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