Original document(8 pages) Authorized document(11 pages) 中文版
    An antitheft 3D digital lock features that 12 notches are made on a cylindrical pipe over and under a convex disk, and distributed in 3D mode, each notch contains a lock core card with a notch, which can be reciprocated under the action of spring and key, and the key can be turned only when the notches on lock core cards are matched with the notches on convex disk. Its advantage is that 12 notches and 40 variations of lock core cards can lead to 40 to the power 12 combinations.
Application Number
申请号		 03145645 Application Date
申请日		 2003.07.06
Title 名称 Three dimensional digital antitheft lock
Publication Number
公开号		 1514098 Publication Date
公开日		 2004.07.21
Approval Pub. Date 2006.04.26 Granted Pub. Date 2006.04.26
International Classification 分类号 E05B63/00
Applicant(s) Name
申请人		 Yan Guangfeng
Address 地址 061001
Inventor(s) Name 发明人
Attorney & Agent 代理人

  
Linear multidirection semi circule side clump block slide way type multifunction opening and closing device for door and window
Window opening apparatus
Multifunction aluminium plastic door and window
Wainscot wood door and enfacial method of its door case inside fringe
Composite antitheft fireproof door
Shutter rolling mechanism including step-by-step motor controller for controlling upper and lower limit stop position
Technology of implementing oil pumping machine well avoiding wax eliminating and raising system efficiency using flow modifying agent
Method of optimizing trielement composite central displacement system interface tension and trielement system formulation
Oil well output pipeline fluid medium technological parameter collecting device and data treatment method
Axial telescoping well wall
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.