| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To smoothly connect between a crowning part and a chamfered round part and between an end surface of a roller and the chamfered round part with short connecting round parts. <P>SOLUTION: By connecting between the crowning part 3a of the barrel-shape roller 3 and the chamfered round part 5 and between the large end surface 3b and the chamfered round part 5 respectively with the connecting round parts 6a, 6b having curvature radius R<SB>6</SB>shorter than a curvature radius R<SB>5</SB>of the chamfered round part 5, it is possible to smoothly connect between the crowning part 3a and the chamfered round part 5 and between the large end surface 3b of the roller 3 and the chamfered round part 5 with the short connecting round parts 6a, 6b. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
