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Door security system

A technology of security system and door leaf, which is applied in the field of door security system and can solve problems such as difficulties

Inactive Publication Date: 2007-03-07
RDS INNOVATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the way of obtaining this control is left to those skilled in the art, and it is also particularly difficult for these skilled people to implement this way

Method used

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  • Door security system
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Experimental program
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Embodiment Construction

[0050] Detailed description of the drawings

[0051] The diagram schematically shows that the openable edge of the door leaf 11 is hinged with the traditional door frame 12 in a traditional way (the way is not illustrated), and the door frame 12 is fixed on the surrounding brick wall 13 . The brick wall 13 forms the main load supporting structure, allowing the opening of the door to be blocked.

[0052]The chassis 14 is mounted directly to the brick wall 13 by lag bolts 15 of some sort. These bolts 15 are mounted on the chassis 14 above the top strip of the door frame 12 . Although for no apparent reason, the chassis 14 is installed so that the top of the door frame is not sandwiched between the chassis and the brick wall if the bolt 15 is long enough that the bolt 15 passes through the top of the door frame before it enters the brick wall and is secured, But the advantages of this preferred direct-to-brick wall method will become more apparent later.

[0053] Chassis 14 in...

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PUM

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Abstract

A security system for constraining the degree to which a door leaf (11) may be opened; the system being selectively activated from an inoperative position in which it does not block the opening and closing of the door leaf (11), into and out of an operative position in which it does so block the opening of the door leaf (11) beyond a predetermined constrained degree; the system being characterised in that it comprises: a chassis (14) adapted for mounting, in use, adjacent an opening edge of a door leaf (11); an electric actuator (17, 28, 36) mounted on the chassis (14); an arm (18, 29, 37) operating in conjunction with said actuator (17, 28, 36) so that the actuator drives the motion of said arm (18, 29, 37) without any lost motion mechanism.

Description

technical field [0001] The invention relates to a door safety system, and is particularly suitable for a safety system that limits the openability of a door leaf. Background technique [0002] Applicant's review of known art [0003] Security systems suitable for the stated purpose are well known and several of them have been published, for example PCT patent application publication number WO 00 / 73609 A1 (RDS Inventions Ltd.), and several claims searched against them. citations. [0004] Document WO 00 / 73609 A1 is the most relevant art known to the inventors so far, and it sets forth the basic principle of using a moving arm to physically prevent a door leaf from opening. With this principle as the basic idea of ​​the present invention, the document WO 00 / 73609 A1 becomes the basis of the present invention. [0005] This document describes and illustrates several different specific embodiments of a door security system. In fact, each specific method is complicated. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05C17/56E05C17/50E05C17/48E05F5/00E05B39/00E05B45/06E05B47/00E05C17/46
CPCE05C17/50E05B47/0012E05B2047/0017E05B39/002E05B2047/0016E05C17/48E05B2047/0023Y10S292/15Y10T292/0905Y10T292/0894Y10T292/444Y10T292/1043
Inventor 罗伯特·大卫·辛普森
Owner RDS INNOVATIONS