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    Quick-release chuck having compact collar
    1.
    发明授权
    Quick-release chuck having compact collar 有权
    快速卡盘具有紧凑型领

    公开(公告)号：US06616149B1

    公开(公告)日：2003-09-09

    申请号：US10101276

    申请日：2002-03-19

    申请人： Robert Pjevach ,  Brady Groth

    发明人： Robert Pjevach ,  Brady Groth

    IPC分类号： B23B31107

    CPC分类号： B23B31/1071 ,  Y10S279/905 ,  Y10T279/17743 ,  Y10T279/17752 ,  Y10T279/17811

    摘要： The quick-release chuck for a rotary power tool is provided for holding a tool bit. The chuck includes a barrel having an axial bore to receive the tool bit and an axially movable sleeve operable to position a locking member to selectively lock or release the tool bit. A proximal end of the chuck near the housing of the power tool includes a low-profile collar which holds a spring in compression against the sleeve, biasing the sleeve in a distal, locked position. The components of the chuck may advantageously be assembled in a stacked manner. The low-profile collar permits the chuck to occupy a minimal length and to be positioned with a minimal separation from the housing of the power tool for enhanced safety.

    摘要翻译： 提供用于旋转动力工具的快速释放卡盘用于保持工具头。 卡盘包括具有用于接收工具钻头的轴向孔的筒体和可轴向移动的套筒，其可操作以定位锁定构件以选择性地锁定或释放工具头。 卡盘的靠近动力工具壳体的近端包括一个低轮廓的轴环，其保持弹簧抵抗套筒的压缩，将套筒偏置在远侧的锁定位置。 卡盘的组件可以有利地以堆叠的方式组装。 低轮廓环允许卡盘占据最小长度，并且与电动工具的壳体的最小间隔定位，以增强安全性。