| 摘要 |
PROBLEM TO BE SOLVED: To prevent a power roller 4 (7) from being excessively tilted. SOLUTION: Projected parts 66 and 66 are formed on stopper members 73 and 73 fixed to both ends of a trunnion 30 (31). Also, recessed parts 67 and 67 are formed in the inner surfaces of end plates 48 and 48 forming a swing frame 21 (22) at positions facing the projected parts 66 and 66. The projected parts 66 and 66 are inserted into the recessed parts 67 and 67 displaceably in the swing direction of the trunnion 30 (31). At the same time, the trunnion 30 (31) is prevented from being swung by a specified amount or more by the contact of the side faces of the projected parts 66 and 66 on the inner faces of the recessed parts 67 and 67 based on the swing of the trunnion 30 (31). COPYRIGHT: (C)2006,JPO&NCIPI
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