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Title:
LOCKING DEVICE FOR DOOR LOCK
Document Type and Number:
Japanese Patent JPH09250259
Kind Code:
A
Abstract:

To surely hold a closed state of a door body locket by a latch and easily obstructing an releasing the rotational movement of a handle shaft of door locks of various kinds of forms by simple and surely preventing the rotational movement of the handle shaft.

A locking device for a door body is provided with one bearing seat body 12 being in contact with a side face in the thickness wire direction of the door body, the other bearing seat body 27 being in contact with the other side face in the thickness direction of the door body, and a handle shaft 55 which is rotatably supported between one bearing seat body 12 and the other bearing seat body 27 and has a handle 57 for making a latch 7 appear from/disappear in the end face of a door stop of the door body. A handle lock mechanism 82 which has an operation body 73 for preventing the rotational movement of the handle shaft 55 is provided on either one of one bearing seat body 12 or the other bearing seat body 27. The handle lock mechanism is provided with the first lock plate 58 having an engaging projection part 63 on its upper end, the second lock plate 67 having an engaging recess part 71 for engaged with the engaging projection 63, the second lock plate 67 having an engaging hole 70, and a cam 78 for engaged with a cam engaging hole 70.


Inventors:
ASANO TAKESHI
Application Number:
JP1996000058086
Publication Date:
September 22, 1997
Filing Date:
March 14, 1996
Export Citation:
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Assignee:
MURAKOSHI MFG CORP
International Classes:
E05B9/08; E05B13/08; E05B55/14; (IPC1-7): E05B13/08; E05B9/08; E05B55/14
Domestic Patent References:
JPH0414665U1992-02-05
JPS62187058U1987-11-28
Attorney, Agent or Firm:
樺澤 襄 (外2名)