| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotational movement measuring device for rollers in a roller bearing capable of accurately measuring the rotational movement of the rollers by a simple structure. SOLUTION: A vane 2 extending in the diameter direction of the rollers 13 is fitted to either of the plurality of rollers 13 arranged in the roller bearing 10 through a vane mounting shaft 5 projected from the center of the end face of the roller. As a means for detecting the rotational movement of the rollers 13, a detection means 3 is installed to detect the passing of the vane 2. COPYRIGHT: (C)2007,JPO&INPIT
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