Title:
AUTOMATIC LOCKING DEVICE
Document Type and Number:
Japanese Patent JP2018204322
Kind Code:
A
Abstract:
To provide an automatic locking device capable of preventing a dead bolt from protruding to the maximum protrusion amount which results in a locked state while in a door open state.SOLUTION: In an automatic locking device which includes a dead bolt 20 having a locked state in which the dead bolt protrudes to the maximum protruding amount Pb and a latched state in which the dead bolt protrudes to an intermediate protruding amount and which is equipped with a trigger mechanism 30 that operates upon door closure a latch locking member 35 to cause a trigger operating member 31 inside a front plate 12 to activate thereby releasing the latched state, a configuration is employed in which upon door closure, a first permanent magnet M1 provided integrally with the trigger operating member 31 receives a magnetic force generated between the first permanent magnet and a second permanent magnet M2 provided inside a strike plate 11 to activate the trigger operating member 31.SELECTED DRAWING: Figure 7
Inventors:
EIKI YASUSHI
Application Number:
JP2017111368A
Publication Date:
December 27, 2018
Filing Date:
June 06, 2017
Export Citation:
Assignee:
HORI LOCK KOGYO KK
International Classes:
E05B55/04; E05C1/16
Domestic Patent References:
| JPS4028879B1 | ||||
| JPH11182117A | 1999-07-06 | |||
| JPS5862749U | 1983-04-27 |
Foreign References:
| WO2006070062A1 | 2006-07-06 | |||
| DE102007012613A1 | 2008-09-18 |
Attorney, Agent or Firm:
Junko Kanzawa
Nozomi Gangwon
Nakamura Kun
Nozomi Gangwon
Nakamura Kun