Invention Grant
- Patent Title: Method and apparatus for locking an elevator or transport system
- Patent Title (中): 用于锁定电梯或运输系统的方法和装置
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Application No.: US13088746Application Date: 2011-04-18
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Publication No.: US08925981B2Publication Date: 2015-01-06
- Inventor: John W. Ray, II
- Applicant: John W. Ray, II
- Agency: The Reilly Intellectual Property Law Firm, P.C.
- Main IPC: E05C1/06
- IPC: E05C1/06 ; B66B13/16 ; E05B47/02 ; E05B65/00 ; E05B63/04 ; E05B47/00
Abstract:
A locking system for a hoistway door having an elongated casing, a slider member operatively connected to an electromechanical system for upward and downward movement of the slider. A keeper associated with the locking system allowing for secure locking and unlocking of the hoistway door.
Public/Granted literature
- US20120091735A1 METHOD AND APPARATUS FOR LOCKING AN ELEVATOR OR TRANSPORT SYSTEM Public/Granted day:2012-04-19
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