CLOCK-CONTROLLED LOCK

The utility model discloses a clock-controlled lock used in the safe case and the file cabinet, belonging to the time safety device, and solves the defect that the existing safe case and file cabinet can be opened without the limitation of the time and can alarm if being opened in the locking time....

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Bibliographic Details
Main Author LI YAOZHONG
Format Patent
LanguageEnglish
Published 30.09.1987
Edition4
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:The utility model discloses a clock-controlled lock used in the safe case and the file cabinet, belonging to the time safety device, and solves the defect that the existing safe case and file cabinet can be opened without the limitation of the time and can alarm if being opened in the locking time. The utility model is characterized in that the a 24 hours clock is used to control a cylinder lock controlled by an electric magnet and is provided with two groups of power switches comprising a time hand and an hour hand to control the action of the electric magnet which can control the rotation of the lock core of the cylinder lock.
Bibliography:Application Number: CN1986208145U