Title:
LATCH LOCK
Document Type and Number:
Japanese Patent JP2023045032
Kind Code:
A
Abstract:
To provide a latch lock with a child-lock function which can prevent a child lock from interfering with unlocking when forcibly unlocking from the outside with a simple structure.SOLUTION: It is configured as such that between a rotary shaft 70 for interlocking a lever 10 on the indoor side and a display on the outdoor side, and a slider 80 that can be engaged with the rotary shaft 70 for a child lock, at a door locking position of the lever 10 and a locking position of the slider 80, engagement between the rotary shaft 70 and the slider 80 is released when the rotary shaft is pushed in from the outside during emergency unlocking, a clutch is formed with which rotation of the rotary shaft 70 is allowed. When forcibly unlocking from the outdoor side, physical contact between the rotary shaft 70 and the slider 80 is released, and unlocking is performed smoothly.SELECTED DRAWING: Figure 4
Inventors:
OGASA TAKAHIRO
TANAKA ATSUSHI
YAMAOKA SHOICHI
TANAKA ATSUSHI
YAMAOKA SHOICHI
Application Number:
JP2021153209A
Publication Date:
April 03, 2023
Filing Date:
September 21, 2021
Export Citation:
Assignee:
SHIBUTANI KK
International Classes:
E05B65/10; E05B13/08; E05B41/00; E05B65/06; E05C3/04
Attorney, Agent or Firm:
Naoya Kamada
Bunji Kamata
Bunji Kamata