Title:
INSTANT IMPRESSION UNLOCKING METHOD FOR USE IN A LOCK
Document Type and Number:
Japanese Patent JPS5251298
Kind Code:
A
Abstract:
PURPOSE: To provide a temporary fellow key by combining a number of segments which have key grooves on both sides thereof and various shapes of grooves in the upper end thereof to cope with unforeseen accidents such as the loss of a key.
Inventors:
GOTOU SHIGERU
Application Number:
JP12631475A
Publication Date:
April 25, 1977
Filing Date:
October 22, 1975
Export Citation:
Assignee:
GOTOU SHIGERU
International Classes:
E05B19/20; (IPC1-7): E05B19/20
Other References:
LOOKSMITH LEDGER#N9=1975US