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Application filed by Minte ShenfiledCriticalMinte Shen
Priority to TW92108502ApriorityCriticalpatent/TWI220021B/en
Application grantedgrantedCritical
Publication of TWI220021BpublicationCriticalpatent/TWI220021B/en
Publication of TW200420819ApublicationCriticalpatent/TW200420819A/en
Mechanical locks are very public use for security purpose. But most of the structure of current locks can be unlock by using special tools on a short or a little more time period. This invention will transfer key information into inside, then begin compare the key information to decide if lock can be open or not. Thus normal try and error type tools cannot function with this invention. Also this key design with binary key sharp, user can make their key manually without any tools.