Title:
LOCK OPENING/CLOSING DEVICE
Document Type and Number:
Japanese Patent JP2017095977
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To implement a lock opening/closing device for making it possible to easily lock and unlock a door by manual operation in addition to by remote operation.SOLUTION: A lock opening/closing device 10 includes: a thumb turn rotation unit 70 that can be fitted to a thumb turn 40 of a door 41 and rotates the thumb turn 40; and a motor 90 that is driven by remote operation. The lock opening/closing device also includes: a rotation drive mechanism 71 that rotates the thumb turn rotation unit 70 by using power of the motor 90; a manual rotation unit 72 that is fixed on the thumb turn rotation unit 70 and rotates the thumb turn rotation unit 70 by manual operation; and a clutch mechanism 120 capable of intercepting transfer of power between the thumb turn rotation unit 70 and the motor 90 of the rotation drive mechanism 71 in rotating the thumb turn rotation unit 70 by using the manual rotation unit 72.SELECTED DRAWING: Figure 3
Inventors:
SUGAWARA KENOU
Application Number:
JP2015229070A
Publication Date:
June 01, 2017
Filing Date:
November 24, 2015
Export Citation:
Assignee:
RECRUIT HOLDINGS CO LTD
International Classes:
E05B47/00; E05B49/00
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Kentaro Ito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Kentaro Ito