Invention Grant
US09273763B2 Systems and methods for unlocking/locking and opening/closing windows 有权
用于解锁/锁定和打开/关闭窗户的系统和方法

Systems and methods for unlocking/locking and opening/closing windows
Abstract:
Certain embodiments provide systems and methods for unlocking, opening, closing and locking a vent sash. The system may include a push arm configured to extend to open the vent sash and retract to close the vent sash. The system may include a guide arm configured to extend to unlock the vent sash and retract to lock the vent sash. The system may include a handle extension configured to radially rotate substantially one hundred eighty degrees in a first direction on a single plane to extend the push arm and the guide arm. The handle extension may be configured to radially rotate substantially one hundred eighty degrees in a second direction on the single plane to retract the push arm and the guide arm.
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