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Title:
LOCKING DEVICE OF LATCH BOLT
Document Type and Number:
Japanese Patent JPH09256711
Kind Code:
A
Abstract:

To provide a locking device which is covenient to handle by energizing a cam member with a spring device.

A thumb-turn shaft 19 which is connected to a control cam which controls taking in and out of a latch bolt which serves as a dead bolt and a knob for the operation of the thumb-turn shaft provided in the indoor side are connected to each other coaxially and turnably in a relative manner. Furthermore, a first cam 26 having a notched area 25 in the circumferential direction, which is united with a knob at the outer periphery and a second cam 27, which is projectingly provided with an engagement projection 29 slidably engageable with the aforesaid notched area 25 in the circumferential direction at the tip are coaxially and integrally united with the thumb-turn shaft 19. The first cam 26 united with the knob is energized with a spring device 35 having a consideration position.


Inventors:
FURUSAKI MASAMI
Application Number:
JP1996000091892
Publication Date:
September 30, 1997
Filing Date:
March 21, 1996
Export Citation:
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Assignee:
MIWA LOCK KK
International Classes:
E05C1/16; E05B55/04; (IPC1-7): E05C1/16; E05B55/04
Attorney, Agent or Firm:
飯田 岳雄



 
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