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    • 5. 发明授权
    • Pick-proof lock cylinder and key therefor
    • 防盗锁缸及其钥匙
    • US4061004A
    • 1977-12-06
    • US740212
    • 1976-12-01
    • George Pappanikolaou
    • George Pappanikolaou
    • E05B19/12E05B27/00E05B35/00
    • E05B27/0032E05B35/004Y10S70/49Y10T70/7057Y10T70/7593Y10T70/7825
    • A pick-proof lock cylinder and key therefor are described. The lock cylinder has a keyhole which opens to provide access to the cylinder, and two cam surfaces are provided at the remote end of the keyhole configurated to deflect a pair of coded, pivotally mounted fingers on a jointed key which is receivable within the keyhole. The revolving cylinder or tumbler includes a plurality of enabling pins or plungers which are generally spaced from each other along a direction substantially normal to the length direction of the keyhole. The fingers of the key may be mechanically or magnetically coded to cause the enabling pins or plungers to be actuated when the key is fully inserted into the keyhole and the coded fingers are deflected to their operative positions by the cam surfaces. Additionally, sensing or monitoring pins enable the proper actuation of the enabling pins or plungers only upon detection of a suitably coded key. Additional pick-proof pins are provided for preventing picking of the lock by indiscriminate actuation of all of the enabling pins or plungers. Provision is also made for alarm means which includes one or more switches arranged to sense the relative positions of the tumbler, the sensing or monitoring pins, as well as a plurality of additional sensing or alarm disabling rods whch are mounted for detecting a preselected code placed on the shank of the key.
    • 描述了防撬锁缸及其钥匙。 锁芯具有打开以提供对气缸的通路的锁孔,并且在锁孔的远端处设置两个凸轮表面,所述两个凸轮表面被配置为将一对编码的,可枢转地安装的手指偏转在可接收在钥匙孔内的连接键上。 旋转滚筒或翻转开关包括多个使能销或柱塞,它们沿着大体上垂直于锁孔长度方向的方向彼此间隔开。 钥匙的手指可以是机械地或磁性地编码的,以使得当钥匙完全插入钥匙孔并且编码的手指被凸轮表面偏转到它们的操作位置时,启动销或柱塞被致动。 此外,只有在检测到适当的编码密钥时,感测或监视引脚才能使能使能引脚或柱塞的正确启动。 提供了附加的防撬销,用于通过不加选择地致动所有使能销或柱塞来防止锁定。 还提供了一种报警装置,其中包括一个或多个开关,其布置成感测转筒,感测或监控销的相对位置,以及多个附加的检测或报警禁用杆,用于检测放置的预选代码 在钥匙的柄上。