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    • 1. 发明专利
    • Simple cylinder for lock
    • 简单的气缸用于锁定
    • JP2011214377A
    • 2011-10-27
    • JP2010094444
    • 2010-03-31
    • Miwa Lock Co Ltd美和ロック株式会社
    • TAMURA SATOSHIHAYASHI HIROKAZU
    • E05B15/00E05B9/10E05B27/02
    • PROBLEM TO BE SOLVED: To solve a problem wherein there seems to be a means for illegally unlocking a thumb turn on the indoor side by a certain means among illegal unlocking means, and a cylinder can be installed also on the indoor side to solve this problem, but a cylinder lock is precisely formed from the viewpoint of crime prevention and cannot be mass-produced, which results in costing for manufacture and costing also on the user side because of needing to replace both outdoor and indoor side cylinders when replacing the cylinder.SOLUTION: An inner cylinder is provided with neither a pin nor a tumbler corresponding to a notch or recess of a duplicate key, and the inner cylinder is separated into a rear inner cylinder 2 and a front inner cylinder 4. The rear inner cylinder 1 is provided with a tail piece 3 and a cavity 6, and the front inner cylinder 2 is provided with a key guide 5 and a cavity 7 to develop a simple cylinder provided with the key guide 5 of the same shape as the cross-sectional shape of a key shaft 12.
    • 要解决的问题:为了解决在非法解锁装置中以某种方式在室内侧非法解锁拇指转弯的手段的问题,并且也可以将气缸也安装在室内侧以解决该问题 但是从防止犯罪的角度精确地形成圆筒锁,并且不能批量生产,这在使用者侧由于需要更换室外侧气缸而需要更换时,导致制造成本和成本核算。 解决方案:内筒不具有与重复键的切口或凹部相对应的销和转鼓,内筒分成后内筒2和前内筒4.后内筒1 设置有尾件3和空腔6,并且前内筒2设置有键导向件5和空腔7,以形成设置有与导轨5相同形状的键导向件5的简单圆筒 钥匙轴12的截面形状。