| 摘要 |
PROBLEM TO BE SOLVED: To provide an actuating mechanism which shortens the length of a shaft along a control shaft and a valve lift adjusting device using the actuating mechanism. SOLUTION: The control shaft 30 is connected to the support frame 41 of a transmission member 40 at the end on a side section and is connected to the lift adjusting means of the valve lift adjusting device at the end on the other side. The control shaft 30 transversely crosses the rotary shaft 24 of a motor 20. The transmission member 40 has the square box-like support frame 41 and a roller, which is turnably supported on the support frame 41 on the side opposite to the control shaft 30. A drive cam is contained in a support frame 41 and is turned together with a cam shaft 50. When the motor 20 is rotated, the torque of the motor 20 is transmitted to the cam shaft 50 and the drive cam through a motor gear 28 and a cam gear 54. When the drive cam is turned, the roller of the transmission member 40 slides on the drive cam. The control shaft 30 linearly reciprocates in the orthogonal direction to the rotary shaft 24 of the motor 20 together with the transmission member 40. COPYRIGHT: (C)2004,JPO
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