Title:
PLANE HANDLE DEVICE
Document Type and Number:
Japanese Patent JP3963820
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a plane handle device positively protected from violent unlocking malpractices by forced insertion of a driver or the like.
SOLUTION: A front portion of a front end 7 of a handle 2 extends to form a nose 8 which shield a gap between an end face 7a of the front end 7 and an inside face 3a of a front recessed portion 3 and form a nose receiving portion 9 in which the nose 8 is stored during set-in rotation of the handle 2. A first uneven portion 10 is formed on the back side of the nose 8 along the longitudinal direction of the handle 2 and a second uneven portion 11 is formed on the front side of the nose receiving portion 9 for engaging with the first uneven portion 10.
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Inventors:
Atsuro Sugimura
Application Number:
JP2002320631A
Publication Date:
August 22, 2007
Filing Date:
November 05, 2002
Export Citation:
Assignee:
TAKIGEN MFG.CO.,LTD.
International Classes:
E05B15/00; E05B5/02; E05B13/10; (IPC1-7): E05B15/00; E05B5/02
Domestic Patent References:
| JP6120862U | ||||
| JP10216324A | ||||
| JP5156390U |
Attorney, Agent or Firm:
Mamoru Masuda
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