Cheese lock

The present invention provides a cylinder lock excellent in theft prevention efficiency without being illegally unlocked by a punch. In the cylinder lock 1 equipped with a holder 2 having an engaging groove on the inner circumferential surface, a tumbler 25 projected from the outer circumference, a...

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Bibliographic Details
Main Authors MAKINO TOSHIKAZU, SAZAKI MITSUHIRO
Format Patent
LanguageChinese
English
Published 27.04.2011
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:The present invention provides a cylinder lock excellent in theft prevention efficiency without being illegally unlocked by a punch. In the cylinder lock 1 equipped with a holder 2 having an engaging groove on the inner circumferential surface, a tumbler 25 projected from the outer circumference, a cylinder 3 making the tumbler 25 impossible to rotate in the holder 2 engaged with the engaging groove 12 of the holder 2 in the case of a key is drawn out and an output member 4 outputting the rotation of the cylinder 3 provided to the rear end side of the cylinder 3 to the outside, the cylinder 3is separated to the rear end 30 providing a body 20 and the output member 4 thereto, and it is so characterized in that the body 20 and the rear end 30 can be interconnected with connecting means 28 and 31 releasing the connection of the body 20 and the rear end 30 when the rear end 30 is drawn out of the holder 2.
Bibliography:Application Number: CN2006101975