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发明公开
CN104791390A 驱动力传递设备 有权

驱动力传递设备
摘要：
耦连单元包括输出齿轮(6)、耦连器(7)和橡胶缓冲器(8)。耦连器(7)的第二可旋转轴部(61)包括从第二可旋转轴部(61)的外周面沿径向向外突出的弹性突出部(91)。所述弹性突出部(91)在所述弹性突出部(91)沿形成于所述输出齿轮(6)的第一可旋转轴部(54)中的通孔(55)的凹陷凹槽(81)的深度侧移动期间在将所述第二可旋转轴部(61)适配在所述通孔(55)中时沿所述径向弹性地向内变形。当所述弹性突出部(91)从所述通孔(55)突出时，所述弹性突出部(91)弹性地向外复位并且接合于第一可旋转轴部(54)的接合部(87)从而限制第二可旋转轴部(61)从所述通孔(55)的移除。
摘要（英）：

A coupling unit includes an output gear, a coupling and a rubber cushion. A second rotatable shaft portion of the coupling includes a resilient projection that projects outwardly in a radial direction from an outer peripheral surface of the second rotatable shaft portion. The resilient projection is resiliently inwardly deformed in the radial direction during movement of the resilient projection along a deep side of a recessed groove of a through-hole formed in a first rotatable shaft portion of the output gear at a time of fitting the second rotatable shaft portion into the through-hole. When the resilient projection projects from the through-hole, the resilient projection is resiliently outwardly restored and is engaged to an engaging portion of the first rotatable shaft portion to limit removal of the second rotatable shaft portion from the through-hole.

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