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    • 4. 发明专利
    • Key and locking device
    • 钥匙和锁定装置
    • JP2011256634A
    • 2011-12-22
    • JP2010133009
    • 2010-06-10
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • HIGUCHI REIJI
    • E05B19/06E05B29/10
    • E05B29/00E05B19/0058Y10T70/7565Y10T70/7593Y10T70/7599Y10T70/7605Y10T70/7638Y10T70/765Y10T70/7864Y10T70/7881Y10T70/7932Y10T70/7944
    • PROBLEM TO BE SOLVED: To provide a key and a locking device which secure a sufficient number of key pattern combinations without changing conventional processing accuracy of an inner groove.SOLUTION: A cut out portion (10) is formed at a part (P1) of an inner groove (13) of a key plate (1) so as not to engage with a tumbler (201) of a rotor (21) of a cylinder lock (2). A tumbler provided at a position corresponding to the cut out portion recedes from an outer periphery of the rotor without engaging with the inner groove of the inserted key plate. If an incorrect key without the cut out portion is inserted, the tumbler engages with the inner groove and the rotor is locked. Consequently, presence or absence of the cut out portion can be used as key pattern combinations which does not cause malfunction among them.
    • 要解决的问题:提供一种能够确保足够数量的按键图案组合而不改变内槽的常规加工精度的键和锁定装置。 解决方案:切割部分(10)形成在键板(1)的内槽(13)的部分(P1)处,以便不与转子(21)的转鼓(201)接合 )的气缸锁(2)。 设置在与切出部对应的位置处的转鼓可以从转子的外周退出,而不与插入的键盘的内槽接合。 如果未插入切口部分的不正确的键,则制动栓与内槽接合,转子被锁定。 因此,切出部的存在或不存在可以用作它们之间不引起故障的键图案组合。 版权所有(C)2012,JPO&INPIT