Title:
KEY SET WITH ANTI-THEFT MECHANISM
Document Type and Number:
Japanese Patent JP2016061026
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a highly operable key set with an anti-theft mechanism.SOLUTION: A key set A with an anti-theft mechanism comprises a cylinder device 20 that includes a cylinder 22 having a key insertion hole 22a and a shutter part 23, and a key 30. The shutter part 23 includes: a shutter 24 disposed rotatably on a side with an operated side surface 22b of the cylinder 22, the shutter having a key penetration hole 24a of which a hole shape coincides with that of the key insertion hole 22a and being communicated with the key insertion hole; a cover material 26 disposed opposite the shutter 24; and a lock part comprising a storage recess 24b formed on the shutter 24, a magnet 27 and a coil spring 27a disposed in the storage recess, and an engaging recess 26c formed on the cover material 26. The key 30 includes a magnet 36 disposed on a side with an operating surface of a key body 31 for energizing the magnet 27 toward an inner side of the storage recess 24b, when coming in close to the magnet 27, and a main key 34 that may be advanced and withdrawn from the operating surface of the key body 31.SELECTED DRAWING: Figure 4
Inventors:
FUKUNAGA MASATAKA
Application Number:
JP2014187470A
Publication Date:
April 25, 2016
Filing Date:
September 16, 2014
Export Citation:
Assignee:
NIPPON LOCK:KK
International Classes:
E05B17/18; B60R25/22; E05B19/00; E05B47/00; E05B77/44; E05B83/00
Attorney, Agent or Firm:
Patent business corporation Prospec patent office