Patent ID: 7370871

Claim:
A vehicle frame structure, comprising: a first frame having four support members and each support member having two lugs and each lug having two first holes defined therethrough, the first frame adapted to be connected to wheels; each support member having a shock absorbing member connected thereto, the shock absorbing member having a first member which includes a first tube and a second tube extending through first tube and is located at a center of the first tube, shock absorbing material filled between the first tube and the second tube, two second members located below the first member and at least one board connecting the first member and the two second member, each second member having a third tube and a fourth tube which extends through the third tube, shock absorbing material filled between the third tube and the fourth tube, two first pins extending through the first holes of each support member and the two fourth tubes of each shock absorbing member, and a second frame located above the first frame and having two end tubes, the second frame adapted to be connected with power system, each end tube having a connection passage defined axially therethrough, two shock absorbing members located on two ends of each end tube, two second pins respectively extending through the two connection passages in the two end tubes and the second tubes of the shock absorbing members.