Title:
KEY CYLINDER
Document Type and Number:
Japanese Patent JP3808556
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To protect the communication performance of a communication means from lowering with a key ring inserted into a grip of a key which incorporates the communication means.
SOLUTION: An operation knob 1 houses a grip 12 incorporated with a transponder 15 when an ignition key 11 is inserted and is turned toward a key cylinder main body, thereby turning the key 11. Then, the grip 12 is housed into the operation knob 1 when the key 11 is inserted. It is, therefore, possible to protect a drop in the communication performance by a key ring 13 or the like inserted into the grip 12.
Inventors:
Shozo Kito
Application Number:
JP24774696A
Publication Date:
August 16, 2006
Filing Date:
September 19, 1996
Export Citation:
Assignee:
Tokai Rika Electric Co., Ltd.
International Classes:
E05B19/00; E05B49/00; B60R25/04; B60R25/24; E05B17/00; E05B77/44; (IPC1-7): E05B65/19; B60R25/04; E05B19/00; E05B49/00
Domestic Patent References:
| JP5032178U | ||||
| JP3117070U | ||||
| JP8199871A | ||||
| JP813875A | ||||
| JP853048A |
Attorney, Agent or Firm:
Hironobu Onda