E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
E05C 19/16 (2006.01) E05B 17/00 (2006.01) E05B 41/00 (2006.01) E05B 47/00 (2006.01) E05B 65/08 (2006.01)
Patent
CA 2098775
WINDOW LOCK ABSTRACT A lock for mounting on a window jamb for selectively grasping a keeper on a window sash to secure the sash closed against the jamb, including a base for mounting to the jamb and defining an open interior space along one side of the base, a rigid plate secured to the base adjacent the open interior space and including a guide slot therein, and a motor driven drive gear pivotable within the open interior space about a first axis. A pawl is secured to the drive gear at one end for pivoting about a second axis spaced from and substantially parallel to the first axis, and includes a keeper grasping portion at its other end. A guide pin projects from the pawl and is slidably received in the guide slot whereby rotation of the drive gear moves the keeper grasping portion of the pawl between the open position and the locking position. An indicator is pivoted in the base through engagement with a drive gear pin and the pawl during movement of the pawl to selectively position one of two visually different portions at a base window opening to visually display the position of the pawl. A paddle is movably mounted within the lock base open inte- rior space, and a switch is operably connected to the paddle provides feedback to actuate power to the motor to move the pawl to the locking position when the paddle is engaged by movement of a keeper into the base open interior space.
Finlayson & Singlehurst
Truth Hardware Corporation
LandOfFree
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