Automatic window sash and lock operator

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

1991-09-17

1992-10-06

Luebke, Renee S.

Movable or removable closures

Operator interrelated with closure latch release

49341, 49345, E05F 1102

Patent

active

051521032

ABSTRACT:
A window operator and lock structure for controlling 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 pivoting 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 structure, 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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