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    • 3. 发明专利
    • Thumb turn spindle
    • THUMB TURN SPINDLE
    • JP2005105640A
    • 2005-04-21
    • JP2003339407
    • 2003-09-30
    • Alpha Corp株式会社アルファ
    • TOMINAGA YUKIHIROWATANABE MINORU
    • E05B13/08
    • PROBLEM TO BE SOLVED: To provide a thumb turn spindle excellent in operational reliability without increasing size of a device.
      SOLUTION: The thumb turn spindle has an operating shaft 4 which is mounted in a thumb turn holder 1 in a manner capable of idling, and has its rear end connected to a dead bolt operating section 3 of the lock device 2, and a plate-like lug piece 5 mounted on a front end of the operating shaft 4. The lug piece 5 has a pair of hinge pieces 6 which are protruded on one side thereof and rotatably constricted by a lug fixing member 7 fixed to the front end of the operating shaft 4, whereby the lug piece 5 is mounted on the front end of the operating shaft 4 in an erecting/falling manner. Further a compressed spring 8 is interposed between the lug piece 5 and the operating shaft 4 so as to press a front surface of the lug piece 5 and an end face of a hinge piece forming side frontward, to thereby hold fallen and erected positions of the lug piece 5.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供操作可靠性优异的拇指转动轴,而不增加装置的尺寸。 解决方案:拇指转动轴具有操作轴4,该操作轴4以能够怠速的方式安装在拇指转动支架1中,并且其后端连接到锁定装置2的止动器操作部3,以及 安装在操作轴4的前端的板状突起片5.突片5具有一对铰链片6,该铰链片6的一侧突出并且可旋转地收缩固定在前端的凸耳固定件7 操作轴4,由此凸耳片5以竖立/下降的方式安装在操作轴4的前端。 此外,在凸耳片5和操作轴4之间插入有压缩弹簧8,以将耳片5的前表面和形成在前侧的铰链片的端面按压,从而保持下垂和垂直位置 (C)2005,JPO&NCIPI