Invention Grant
- Patent Title: Electromagnetically operated elevator door lock
- Patent Title (中): 电磁操纵电梯门锁
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Application No.: US11570889Application Date: 2004-07-06
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Publication No.: US07823699B2Publication Date: 2010-11-02
- Inventor: Jacek F. Gieras , Pei-Yuan Peng , Bryan Robert Siewert , Muhidin A. Lelic , Gary Copsey
- Applicant: Jacek F. Gieras , Pei-Yuan Peng , Bryan Robert Siewert , Muhidin A. Lelic , Gary Copsey
- Applicant Address: US CT Farmington
- Assignee: Otis Elevator Company
- Current Assignee: Otis Elevator Company
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds PC
- International Application: PCT/US2004/021576 WO 20040706
- International Announcement: WO2006/014164 WO 20060209
- Main IPC: B66B13/02
- IPC: B66B13/02 ; B66B13/06 ; E05B47/00 ; E05C17/56

Abstract:
An electromagnetic door lock assembly (30) includes a first portion (32) supported relative to hoistway doors (22) and a second portion (34) supported for movement with an elevator car (24). The first and second portions cooperate so that electromagnetic interaction between them unlocks a set of hoistway doors (22) for access to the car (24), for example. In disclosed embodiments, a first portion (32) of the actuator has at least one stationary electromagnetic portion (36A, 36B) and at least one moveable portion (38). The second portion (34) that moves with the car (24) includes at least one stationary electromagnetic portion (44). Magnetic interaction between the first and second portions (32, 34) causes selected movement of the moveable portion (38) for selectively locking or unlocking the doors (22).
Public/Granted literature
- US20080271959A1 Electromagnetically Operated Elevator Door Lock Public/Granted day:2008-11-06
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