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发明授权
CN105487367B 用于钟表机芯的同轴的可脱开轮 有权

用于钟表机芯的同轴的可脱开轮
摘要：
用于钟表机芯的具有同轴的可脱开轮(10)的装置，包括输入轮(12)、输出轮(16)、毂部(14)和跳接件机构(18)，该跳接件机构包括弹簧(20)和定位件(22)，该定位件限定了输入轮的围绕旋转轴线(A)相对于输出轮的一定数量的不连续的角位置。所述定位件包括凹陷件(24)和突起件(26)，该弹簧配置成施加弹力，该弹力使突起件推靠凹陷件，以在低于脱开扭矩时使这些轮相互联接。所述突起件和凹陷件沿轴向方向延伸，所述弹簧配置成沿轴向方向施加弹力。
摘要（英）：

Device with coaxial disengageable wheels for a timepiece movement including an input wheel, an output wheel, a hub, and a jumper mechanism including a spring and positioning elements defining a certain number of discrete angular positions of the input wheel with respect to the output wheel around an axis of rotation. The positioning elements including hollow elements and protruding elements, the spring being configured to apply an elastic force pushing the protruding elements against the hollow elements to couple the wheels to each other below a disengagement torque. The protruding elements and the hollow elements extend in the axial direction and the spring is configured to apply an elastic force in the axial direction.

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