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    • 8. 发明授权
    • Friction control element having a stroked state
    • 具有抚摸状态的摩擦控制元件
    • US08056696B2
    • 2011-11-15
    • US12029711
    • 2008-02-12
    • David A. Janson
    • David A. Janson
    • F16D25/0632F16D25/065
    • F16D25/064F16D2065/1396F16D2069/004F16D2121/02F16H63/3026
    • A control element for opening and closing a drive connection between a first member and a second member includes a first ring engaged with the first member, displaceable among a disengaged position, a stroked position and an engaged position and formed with first serrations, a second ring engaged with the first member and including second serrations, a third ring engaged with the second member and including third serrations for alternately engaging with and disengaging from the first and second serrations, and a detent for resisting displacement of the first ring relative to the second ring when the first ring is in the stroked position and permitting displacement of the first ring relative to the second ring when the first ring moves from the stroked position to the engaged position.
    • 用于打开和关闭第一构件和第二构件之间的驱动连接的控制元件包括与第一构件接合的第一环,可在脱离位置,划线位置和接合位置之间移位并且形成有第一锯齿,第二环 与所述第一构件接合并且包括第二锯齿,与所述第二构件接合的第三环和包括用于与所述第一和第二锯齿交替地接合和脱离的第三锯齿;以及用于抵抗所述第一环相对于所述第二环的位移的制动器 当第一环处于抚摸位置并且当第一环从划线位置移动到接合位置时允许第一环相对于第二环的位移。