CON ROD, CON ROD MODULE AND METHOD FOR MANUFACTURING THE SAME

摘要

PROBLEM TO BE SOLVED: To prevent deterioration in circularity of a bearing raceway ring due to press-fitting to a con rod without reducing the thickness of the bearing raceway ring.;SOLUTION: A sintered metal con rod 10 includes: a pair of annular parts (large end part 11 and small end part 12); and a stem part 13 for connecting them. Of inner peripheral surfaces 11a, 12a of the large end part 11 and the small end part 12, relief parts 11a1, 12a1 retarding on a side of the stem part 13 are provided in circumferential directional regions W1, W2 of connection parts of the stem part 13 to the large end part 11 and the small end part 12.;SELECTED DRAWING: Figure 5;COPYRIGHT: (C)2018,JPO&INPIT