Invention Grant
- Patent Title: Method for installing door operating apparatus
- Patent Title (中): 安装门操作装置的方法
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Application No.: US13216071Application Date: 2011-08-23
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Publication No.: US08434268B2Publication Date: 2013-05-07
- Inventor: Angelo Nixon
- Applicant: Angelo Nixon
- Applicant Address: US CA Carlsbad
- Assignee: Opcon International Holdings, L.P.
- Current Assignee: Opcon International Holdings, L.P.
- Current Assignee Address: US CA Carlsbad
- Agency: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
- Agent Jonathan C. Parks, Esq.
- Main IPC: E06B3/00
- IPC: E06B3/00

Abstract:
A method for installing a retrofit conversion kit for converting a door operating apparatus from overhead use to underground use and for operating a swinging door while protecting the door apparatus against moisture and dust encroachment within its underground location. A seal arrangement provides this contamination encroachment protection.
Public/Granted literature
- US20110302848A1 METHOD FOR INSTALLING DOOR OPERATING APPARATUS Public/Granted day:2011-12-15
Information query
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