Double-roller-pin side column lock

The utility model discloses a double-roller-pin side column lock comprising an outer lock core and an inner lock core, wherein the inner lock core is rotationally and movably connected into the outer lock core; pin tumbler holes are formed in the inner lock core, springs and pin tumblers are arrange...

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Bibliographic Details
Main Author ZHU CHANGMING
Format Patent
LanguageChinese
English
Published 11.07.2012
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:The utility model discloses a double-roller-pin side column lock comprising an outer lock core and an inner lock core, wherein the inner lock core is rotationally and movably connected into the outer lock core; pin tumbler holes are formed in the inner lock core, springs and pin tumblers are arranged in the pin tumbler holes; notches with different heights are formed on the bodies of the pin tumblers respectively; roller pin holes communicated with the pin tumbler holes and the outer lock core are perpendicular to the bodies of the pin tumbler holes; roller pins are arranged in the roller pin holes; roller pin grooves are formed in the inner wall of the outer lock core in positions corresponding to the roller pins; a key slot is formed at the outlets of the pin tumbler holes; the cross section of each roller pin groove is V-shaped, with an outer opening larger than an inner opening; and the cross section of the notch on the body of each pin tumbler is also V-shaped, and provided with an outer opening larger t
Bibliography:Application Number: CN20112458783U