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Title:
DEVICE FOR PREVENTING INTRUSION OF VISITOR FROM DOORWAY OF RESIDENCE, SUCH AS ENTRANCE
Document Type and Number:
Japanese Patent JP2003074246
Kind Code:
A
Abstract:

To eliminate risks associated with the use of a conventional security chain between a jamb and a door at a doorway of a residence, such as the entrance, which risks arise from the fact that the security chain, usually consisting of one short chain, is often undone as a visitor requests.

A plurality of long chains, ropes or nets are stretched at a doorway of a residence such as the entrance to allow the resident to receive a visitor in a secure and open manner with mutual confidence, contributing to making a society that is secure and bright.


Inventors:
SHIMODAIRA HITOSHI
Application Number:
JP2001000308038
Publication Date:
March 12, 2003
Filing Date:
August 30, 2001
Export Citation:
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Assignee:
SHIMODAIRA HITOSHI
International Classes:
E05C17/06; E05B65/06; E05C17/36; (IPC1-7): E05C17/06; E05B65/06