| 摘要 |
A rocker cam is comprised of a first split body and a second split body, which are joined with a joint split face that contains an axial line of a cam shaft. The first split body has a first pin support portion that supports one end portion of the connection pin, and the second split body has a second pin support portion that is located so as to face the first pin support portion and supports the other end portion of the connection pin. The connection pin is supported at the first and second pin support portions at its both end portions. Accordingly, a separation force that acts on the first and second split bodies of the rocker cam during its repeated rocking movement can be reduced without improperly increasing its rigidity.
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