| 摘要 |
PROBLEM TO BE SOLVED: To provide a drive power transmission on the side of a driven wheel of a 4-wheel drive car which can prevent from lowering the reliability and increasing the friction by the abrasion and does not increase the noise and a cost without requiring a complicated control mechanism. SOLUTION: The drive power transmission on the side of the driven wheel of the 4-wheel drive car has an input shaft 1 to be coupled with a drive motor not shown in Fig. and an output shaft 2 to be coupled with the driven wheel not shown in Fig. A one-way clutch 3 to be engaged when driving forward the input shaft 1 is interposed between the input shaft 1 and the output shaft 2. An internal gear 4r among the composing elements of the planetary gear mechanism 4 is connected to the input shaft 1 and a carrier 4c is connected to the output shaft 2, and a sun gear 4s of the planetary gear mechanism 4 is connected to a static system casing 6 through a clutch 5. A cam mechanism 7 to connect the clutch 5 and an additional one-way clutch 8 to be engaged when driving backward of the input shaft 1 to drive the cam mechanism 5 is provided. COPYRIGHT: (C)2007,JPO&INPIT |
