| 摘要 |
PROBLEM TO BE SOLVED: To provide a cam shaft that can realize reduction in size and cost.SOLUTION: A cam shaft 1 comprises a pair of valve drive cams 20 and a pump drive cam 30. The pump drive cam 30 is formed between the pair of valve drive cams 20. Valve cam noses 21 of the pair of valve drive cams 20 and a first pump cam nose 31 of the pump drive cam 30 are in phase with each other. |
