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Title:
UNLOCKING PREVENTION TOOL
Document Type and Number:
Japanese Patent JP2017186899
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an unlocking prevention tool that can be easily attached to or detached from a door.SOLUTION: An unlocking prevention tool 1 is installed on a door equipped with a thumb-turn having a knob part that turns to be vertical when the door is locked. The unlocking prevention tool 1 has a telescopic rod-like member 10. A butting face 12, which butts against the knob part of the thumb-turn, is formed on one end 10a of the rod-like member 10. A butting face 14, which butts against a vertical face in parallel with a lateral face of the door, is formed on the other end 10b of the rod-like member 10. The rod-like member 10 is fixed to the door in a state where the butting face 12 butts against the knob part of the thumb-turn and the butting face 14 butts against the vertical face.SELECTED DRAWING: Figure 1

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Inventors:
ITO HIROSHI
Application Number:
JP2017138704A
Publication Date:
October 12, 2017
Filing Date:
July 18, 2017
Export Citation:
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Assignee:
MU CO LTD
International Classes:
E05B13/00; E05B45/06
Domestic Patent References:
JP2006022544A2006-01-26
JP3096915U2004-01-08
JP2010112142A2010-05-20
JP2005032201A2005-02-03
JP2005030174A2005-02-03
JP2012052400A2012-03-15
Foreign References:
DE29508699U11995-08-10
US20090235704A12009-09-24
US6332344B12001-12-25
Attorney, Agent or Firm:
松田 純一
西村 公芳
大坂 憲正