| 摘要 |
PROBLEM TO BE SOLVED: To provide a propeller shaft and an assembling method thereof, absorbing shock in two or more stages, facilitating calculation of design values with respect to the structure for absorbing shock, and facilitating assembling. SOLUTION: This propeller shaft includes: an intermediate cylinder part 36a, disposed on one side in the longitudinal direction of a car body and the midway part of which is provided with an intermediate cylinder part 36a having a truncated conical to thereby a large-diameter cylinder part 36b and a small-diameter cylinder part 36c in the longitudinal direction of the car body; a buffer member 38 disposed to be displaceable in the large-diameter cylinder part 36b and having a diameter larger than the inside diameter of the small-diameter cylinder part 36c; an inner shaft 32 disposed at the other end side in the longitudinal direction of the car body and having the tip facing on the inside of the large-diameter cylinder part 36b; and an elastic ring 41, keeping the relative rotation disabling connecting state of the large-diameter cylinder part 36b and the inner shaft 32, and broken or plastic-deformed on receiving shock load along the longitudinal direction of the car body, thereby allowing contraction in the axial length due to approach of the inner shaft 32 and the buffer member 38 at the large-diameter cylinder part 36b. COPYRIGHT: (C)2006,JPO&NCIPI
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