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Patent Searching and Data


Title:
【発明の名称】ドア錠
Document Type and Number:
Japanese Patent JP3354711
Kind Code:
B2
Abstract:
A door lock which does not decrease the strength of an outer end portion of the outside rotary shaft includes an inside lever handle and an outside lever handle which are attached to a lock body assembled into the door, and a retracting operation of a latch bolt of a latch arranged on latch shaft perpendicular to a handle shaft is carried out by rotation of an inside or an outside rotary shaft of the lock body. A cut portion for drive opposite to a slot of an enlarged portion is formed at an inner circumferential wall of a tubular fitting portion of the outside lever handle, and that left and right cover portions in a projection form of an outer tube of the cylinder lock are respectively fitted over the cut portion for drive and the slot through left and right cut portions of the outside rotary shaft.

Inventors:
Akira Katayama
Application Number:
JP10773294A
Publication Date:
December 09, 2002
Filing Date:
April 21, 1994
Export Citation:
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Assignee:
Miwa Lock Co., Ltd.
International Classes:
E05B13/10; E05B15/00; E05B55/00; E05B63/04; E05B3/00; E05B63/06; (IPC1-7): E05B3/00; E05B15/00; E05B63/04; E05B63/06
Domestic Patent References:
JP4315682A
JP4231566A
JP5682140U
JP4113343Y1
Attorney, Agent or Firm:
Mitsuyasu Miura