KEY STORING CASE, AND ABSENCE SETTING DEVICE USING THE CASE

PROBLEM TO BE SOLVED: To provide a key storing case provided with a key use detecting means which can be realized at low cost without providing any modification to a lock but keeping it as it is, and an absence setting device utilizing the case. SOLUTION: This device comprises an inner case 4 for co...

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Bibliographic Details
Main Authors SAKURAI MASAAKI, SUNABA MAKOTO, AIDA RYUICHI, NISHIMURA MITSUO
Format Patent
LanguageEnglish
Published 03.08.2001
Edition7
Subjects
ACCESSORIES THEREFOR
ALARM SYSTEMS
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
ORDER TELEGRAPHS
PHYSICS
SAFES
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
WINDOW OR DOOR FITTINGS
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Summary:PROBLEM TO BE SOLVED: To provide a key storing case provided with a key use detecting means which can be realized at low cost without providing any modification to a lock but keeping it as it is, and an absence setting device utilizing the case. SOLUTION: This device comprises an inner case 4 for covering a key 3, and an outer case 1 in which the inner case 4 is movably installed, and it is provided with a key use detecting means to detect use of the key 3.
Bibliography:Application Number: JP20000017291