Title:
CYLINDER LOCK AND DOOR
Document Type and Number:
Japanese Patent JP2023081497
Kind Code:
A
Abstract:
To provide a cylinder lock capable of preventing a driver pin from falling down in the inside of a pin hole even when the driver pin is made shorter.SOLUTION: A cylinder lock has an external cylinder and an internal cylinder that rotatably engages with the external cylinder. A hole part in communication with a keyhole is formed on the external cylinder and the internal cylinder so as to allow a driver pin to be inserted therethrough. Diameter of the driver pin on the external cylinder side is larger than diameter of the driver pin on the internal cylinder side. It is preferable that a posture keeping area having a predetermined length in an axial direction and a fixed diameter be provided on an end of the driver pin on the external cylinder side.SELECTED DRAWING: Figure 6
Inventors:
AKIYAMA FUMINORI
MIHASHI TAKASHI
MIHASHI TAKASHI
Application Number:
JP2021195253A
Publication Date:
June 13, 2023
Filing Date:
December 01, 2021
Export Citation:
Assignee:
LIXIL CORP
International Classes:
E05B27/06
Attorney, Agent or Firm:
Masayuki Shobayashi
Tetsuo Shiba
Mitsuru Iwaike
Hiroaki Hoshino
Tetsuo Shiba
Mitsuru Iwaike
Hiroaki Hoshino