Title:
DIAL KEY NECESSARY TO EXCLUSIVE KEY FOR OPERATION OF DIAL
Document Type and Number:
Japanese Patent JP2001295517
Kind Code:
A
Abstract:
To provide a key device capable of preventing the key device from being released by an unauthorized user and being applied to the conventional key device.
A key hole (1) is provided on a dial (2), an exclusive key (5) is used when the dial (2) is operated, and the key device is released by operating so as to combine right discriminating information (for example, mark and color) set by adjusting a mark selecting position indicating mark (4) marked on the dial to a mark indicating section (3). Or, it can be only released when the exclusive key is inserted into the key hole to operate on due order obtained by combining right marks.
Inventors:
KANEDA KAZUSHIGE
Application Number:
JP2000153848A
Publication Date:
October 26, 2001
Filing Date:
April 17, 2000
Export Citation:
Assignee:
KANEDA KAZUSHIGE
International Classes:
E05B37/08; E05B13/10; (IPC1-7): E05B37/08; E05B13/10