Invention Grant
US08522853B2 Closure assemblies for fire doors, fire doors including such closure assemblies and methods of locking fire doors
有权
防火门的关闭组件，包括这种闭合组件的防火门和锁定防火门的方法
- Patent Title: Closure assemblies for fire doors, fire doors including such closure assemblies and methods of locking fire doors
- Patent Title (中): 防火门的关闭组件，包括这种闭合组件的防火门和锁定防火门的方法
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Application No.: US12582802Application Date: 2009-10-21
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Publication No.: US08522853B2Publication Date: 2013-09-03
- Inventor: W. Michael Coleman , Duane O. Hall , E. Carl Goodman , Michael D. George , D. George Field
- Applicant: W. Michael Coleman , Duane O. Hall , E. Carl Goodman , Michael D. George , D. George Field
- Applicant Address: US UT Salt Lake City
- Assignee: Won-Door Corporation
- Current Assignee: Won-Door Corporation
- Current Assignee Address: US UT Salt Lake City
- Agency: TraskBritt
- Main IPC: E06B3/48
- IPC: E06B3/48
Abstract:
In one embodiment, a closure assembly for a fire door, including a first lead post having a longitudinal cavity located therein, an opening extending through a wall of the first lead post into the longitudinal cavity and a locking member may be positioned within the longitudinal cavity that is configured to obstruct the opening into the longitudinal cavity upon reaching a predetermined temperature, is disclosed. In additional embodiments, fire doors including such closure assemblies and methods of locking fire doors are disclosed.
Public/Granted literature
Information query
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