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
- Patent Title: Systems and methods for unlocking/locking and opening/closing windows
- Patent Title (中): 用于解锁/锁定和打开/关闭窗户的系统和方法
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Application No.: US13663798Application Date: 2012-10-30
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Publication No.: US09273763B2Publication Date: 2016-03-01
- Inventor: Kenneth R Evensen
- Applicant: Kenneth R Evensen
- Applicant Address: US IL Chicago
- Assignee: ELSTON WINDOW & WALL, LLC
- Current Assignee: ELSTON WINDOW & WALL, LLC
- Current Assignee Address: US IL Chicago
- Agency: McAndrews, Held & Malloy, Ltd.
- Main IPC: E05C9/16
- IPC: E05C9/16 ; F16H21/44 ; E05C9/10 ; E05C17/32 ; E05B1/00 ; E05D15/30 ; E05C9/00 ; E05D15/40 ; E05B15/00

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.
Public/Granted literature
- US20140007720A1 SYSTEMS AND METHODS FOR UNLOCKING/LOCKING AND OPENING/CLOSING WINDOWS Public/Granted day:2014-01-09
Information query
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