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1. 发明授权

US5960849A Cable slack detector 失效
标题翻译：电缆松弛探测器
公开(公告)号：US5960849A
公开(公告)日：1999-10-05
申请号：US910402
申请日：1997-08-13
申请人： Charles Edward Delaney , Robert Edward Balli
发明人： Charles Edward Delaney , Robert Edward Balli
IPC分类号： B66D1/50 , E05F15/00 , E05F15/16 , B66D1/58
CPC分类号： B66D1/50 , E05F15/681 , E05F15/41 , E05Y2201/488 , E05Y2400/552 , E05Y2600/11 , E05Y2800/296 , E05Y2900/106
摘要： An apparatus that detects the occurrence of slack in a cable and that compensates for detected slack is disclosed. The apparatus includes body parts that are movable relative to each other between fully extended and fully retracted positions. A bias device biases the body parts toward the fully retracted position. However, normal tension conditions in the monitored cable overcome the bias and extend the body parts to their fully extended relation. If the cable becomes slack, the body parts retract to take up the slack. If the cable slack is to such an extent that the body parts move to a predetermined relative position, the apparatus generates a signal warning of extreme slack conditions. The present invention also is a cable slack control apparatus for a door operator, with such control apparatus including a cable slack detection and compensation device and a door motor drive control device. The present invention further contemplates a method of detecting and compensating for cable slack by reliance on the slack detection and compensation device disclosed herein.
摘要翻译：公开了一种检测电缆松弛的发生并补偿检测到的松弛的装置。该装置包括在完全伸出和完全缩回位置之间相对于彼此可移动的主体部件。偏压装置将身体部分朝向完全缩回位置偏压。然而，所监视的电缆中的正常张力条件克服了偏压，并将身体部分延伸至完全伸展的关系。如果电缆松动，则机身部件缩回以承受松弛。如果电缆松弛程度使得主体部件移动到预定的相对位置，则该装置产生极度松弛状况的信号警告。本发明还是一种用于门操作者的电缆松弛控制装置，其中这种控制装置包括电缆松弛检测和补偿装置以及门电机驱动控制装置。本发明进一步考虑了通过依赖本文公开的松弛检测和补偿装置检测和补偿电缆松弛的方法。

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