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发明授权
CN104633027B 用于链条或皮带的滑轮设备及配备这种设备的机动车 有权

用于链条或皮带的滑轮设备及配备这种设备的机动车
摘要：
用于链条或者皮带(12)的创造性滑轮设备(2)包括内环(22)、外环(24)、安装于限定在内环和外环之间的滚动室中的至少一排滚动元件(26)、固定成与外环一起旋转并具有与链条或皮带(12)接合的外部径向表面(32)的滑轮(30)。用于安装在支撑件(4)上的螺钉(40)径向地容纳在内环内，安装支撑元件(60)具有用于此螺钉的通道开口(64)。此开口(64)刻有螺纹，具有与布置在螺钉(40)上的螺纹(446)互补的螺旋线(626)，螺钉具有一凹槽(48)，该凹槽沿螺钉的纵向轴线(X40)相对于螺纹偏移，开口的螺旋线(626)接收在凹槽中。
摘要（英）：

The inventive pulley device for one of a chain and belt provides an inner ring, an outer ring, at least one row of rolling elements mounted in a rolling chamber defined between the inner ring and the outer ring, a pulley secured in rotation with the outer ring and provided with an outer radial surface for engagement with one of a chain and a belt. A screw for mounting on a support is housed radially inside the inner ring and a mounting support element is provided with a passage opening for the screw. The opening is tapped, with a complementary tapping of a thread arranged on the screw, the screw is provided with a groove, offset relative to the thread along a longitudinal axis (X40) of the screw and in which the tapping of the opening is received.

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