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    • 36. 发明申请
    • CHUCK WITH ONE-WAY LOCK
    • 一键锁定
    • WO2003015969A1
    • 2003-02-27
    • PCT/US2001/025207
    • 2001-08-14
    • POWER TOOL HOLDERS INCORPORATED
    • HUGGINS, Mark, S.YOUNG, Gary, L.
    • B23B31/12
    • B23B31/123B23B31/1253F16D41/07Y10S279/902Y10T279/17623Y10T279/32
    • A chuck (10) includes a generally elongated body (14) and a plurality of jaws (18). A collar (82) in driving engagement with the jaws (18) is disposed with respect to the body (14) so that movement in opposite axial directions drives the jaws (18) toward the axis (31) and away from the axis (31). A first surface (83) of the collar (82) is tapered from a first end (85) to a second end (87) of the first surface (83) so that a first radial distance between a second surface defined by the body (14) or a drive shaft (22) is less than a second radial distance between the second surface and the second end (87). A rolling element (90) disposed between the first and second surfaces and defines a diameter greater than the first radial distance and less than the second radial distance. When an force is applied to the collar (82) in the second axial direction, the rolling element (90) wedges between the first and second surfaces.
    • 卡盘(10)包括大致细长的主体(14)和多个夹爪(18)。 相对于主体(14)设置与夹爪(18)驱动接合的轴环(82),使得沿相反轴向的运动驱动夹爪(18)朝向轴线(31)并远离轴线(31) )。 套环(82)的第一表面(83)从第一表面(83)的第一端(85)到第二端(87)渐缩,使得由主体(第二表面)限定的第二表面之间的第一径向距离 14)或驱动轴(22)小于第二表面和第二端(87)之间的第二径向距离。 滚动元件(90),其设置在所述第一和第二表面之间并且限定大于所述第一径向距离并小于所述第二径向距离的直径。 当在第二轴向方向上对轴环(82)施加力时,滚动元件(90)在第一和第二表面之间楔入。