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1. 发明申请

US20040125476A1 VEHICULAR MIRROR WITH SLIP CLUTCH FOR JACK SCREW ACTUATOR 失效
标题翻译：带滑动离合器的车用螺母执行机构
公开(公告)号：US20040125476A1
公开(公告)日：2004-07-01
申请号：US10707567
申请日：2003-12-22
申请人： MAGNA DONNELLY MIRRORS NORTH AMERICA LLC
发明人： Ian Boddy , Keith D. Foote
IPC分类号： G02B007/182
CPC分类号： B60R1/072
摘要： A motorized tilt actuator assembly comprises one or more threaded jack screws attached to a mirror glass case and traveling along one or more threaded actuator shafts with rotation of the motor. When a jack screw reaches its limit of travel, relative movement between the actuator shaft and the glass case can occur through a slip clutch mechanism during such time as the motor continues to operate. In one embodiment, the relative movement is accommodated by a spherical actuator head rotating in a compressively spring-biased socket. In another embodiment, the relative movement is accommodated by slippage along a friction surface interposed between the actuator shaft and the motor. Manual repositioning of the mirror can be accommodated by slippage of the jack screw threads past the actuator shaft threads, or by a coarse threaded interconnection of the jack screw and the actuator shaft.
摘要翻译：电动倾斜致动器组件包括附接到镜面玻璃外壳的一个或多个螺纹千斤顶螺钉，并且随着电动机的旋转沿着一个或多个螺纹致动器轴行进。当千斤顶螺杆达到其行程限制时，致动器轴和玻璃外壳之间的相对运动可以通过滑动离合器机构在马达继续运行的时间内发生。在一个实施例中，相对运动由在压缩弹簧偏置的插座中旋转的球形致动器头容纳。在另一个实施例中，相对运动通过插入在致动器轴和电动机之间的摩擦表面滑动来容纳。可以通过将千斤顶螺纹滑过致动器轴螺纹或通过千斤顶螺钉和致动器轴的粗螺纹互连来适应手镜的反光镜重新定位。

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