Automatic window sash and lock operator

Details Automatic window sash and lock operator Automatic window sash and lock operator

E - Fixed Constructions

05

F

E05F 11/00 (2006.01)

Patent

CA 2056825

A window operator and lock structure for control- ling a window sash supported by a hinge for pivotal motion relative to a window frame, including a base mounted to the frame and supporting a drivable sun gear, and a planet gear engaging the sun gear and supported on the base for pivot- ing about the sun gear axis. One linkage is secured to the planet gear axis and the window sash to control motion of the sash. A locking structure secures the sash to the frame, which structure is operated by a gear arm fixedly secured to the planet gear and a cam link between the gear arm and the locking structure. Selective operation of the locking structure is effectuated by biasing the cam link against a fixed pin which engages a slot in the cam link to secure the cam link against operating the locking struc- ture, and a trip on the sash which engages the cam link when the sash is closed against the frame to disengage the cam link from the pin.

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