Invention Grant
- Patent Title: System and device for stiffening a door
- Patent Title (中): 用于加强门的系统和装置
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Application No.: US12302891Application Date: 2007-06-03
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Publication No.: US08434281B2Publication Date: 2013-05-07
- Inventor: Amos Halfon , Mordechai Harari
- Applicant: Amos Halfon , Mordechai Harari
- Applicant Address: IL Rishon Lezion
- Assignee: Hardoor Mechanisms Production Ltd.
- Current Assignee: Hardoor Mechanisms Production Ltd.
- Current Assignee Address: IL Rishon Lezion
- Agency: The Law Office of Michael E. Kondoudis
- International Application: PCT/IL2007/000671 WO 20070603
- International Announcement: WO2007/138605 WO 20071206
- Main IPC: E04G23/00
- IPC: E04G23/00 ; E04C5/08 ; E06B3/82 ; E04F21/00
Abstract:
Presented herein is a system for stiffening and strengthening a door, said system comprising a plurality of stoppers each having a channel, wherein said stoppers are affixed to the door; and at least one stiffening rod seated within the channels of said stoppers; and means for shortening the span of said stiffening rod disposed between said stoppers; whereby shortening the span results in straightening the door.
Public/Granted literature
- US20090193736A1 System and Device for Stiffening a Door Public/Granted day:2009-08-06
Information query
