Title:
BUTTON LOCK
Document Type and Number:
Japanese Patent JP3542797
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a button lock for improving protection performance, simplifying its structure, reducing size and weight by obtaining a vast amount of setting information and a wide range of selection by increasing an amount of setting information in operating buttons, manufacturing it at a low cost, setting, inputting and modification of the information accurately, safely, easily and rationally, and preventing tampering and falsification by a third person by making decoding or detection of the input information impossible.
SOLUTION: The button lock comprises a plurality of operation buttons 10 displaced in an axial direction for setting or inputting predetermined information, a control panel 128 which carries out unlocking operation when the information is set or input by the operation buttons 10, a driving cam 16 linked with the control panel 128 and interlocked with a door handle 4, and a lock linked with the driving cam 16. A plural pieces of same or different information can be set or input in each of the operation buttons 10. The plural pieces of information can be set or input at each operation of the operation buttons 10.
Inventors:
Nakajima Susumu
Koichi Takahashi
Kenji Naito
Koichi Takahashi
Kenji Naito
Application Number:
JP2003103735A
Publication Date:
July 14, 2004
Filing Date:
April 08, 2003
Export Citation:
Assignee:
Nagasawa Manufacturing Co., Ltd.
International Classes:
E05B37/16; (IPC1-7): E05B37/16
Domestic Patent References:
| JP58080074A | ||||
| JP62133267A | ||||
| JP4319190A |
Attorney, Agent or Firm:
Takeshi Chiaki