| 摘要 |
PROBLEM TO BE SOLVED: To form a simple shape by constituting a body frame of a front frame extending backward by the prescribed length from a front part of a body, a rear frame mainly composed of a luggage box under a seat and an intermediate frame to connect the front frame and the rear frame together. SOLUTION: An intermediate frame 4 has a joining part 4f to be joined to a front frame 3 and a joining part 4r to be joined to a rear frame 5. The rear frame 5 is composed mainly of a luggage box, and joining with the joining part 4r of the intermediate frame 4 is performed on a bottom surface of the luggage box. Therefore, a body frame 2 can constitute a body different in a kind of machine only by making the intermediate frame 4 different while using a common thing on the front frame 3 and the rear frame 5. |
