Patent ID: 8376372

Claim:
A multiple wheel vehicle with two wheels on a front wheel side and/or a rear wheel side, wherein the multiple wheel vehicle comprises one-side and other-side swinging arms, wherein each of the swinging arms comprises one end portion supported pivotably with each of right and left support shaft portions supported with a frame and extending on a same shaft center line and another end portion tilted up-and-down freely, a wheel mounted on the other end portion of each of the one-side and other-side swinging arms, and an interlocking device for interlocking the tilting motion of the one-side and other-side swinging arms alternately up-and-down; said interlocking device comprises a tilted member comprising a first circular surface part which has a center of a circular arc as a first shaft center which is the shaft center of said support shaft portion and fixed on the each swinging arm and enabling tilting around the first shaft center integrally with the swinging arm, a change-direction member having one-side and other-side second circular surface parts, each of which has a center of the circular arc as a second shaft center which is in a direction perpendicular to each of said first shaft centers, and a cord-like body comprising one-side cord-like part connecting the one-side first circular surface part and the other-side second circular surface part and another-side cord-like part connecting the first and second circular surface parts on the other-side; each of the one-side and other-side cord-like parts comprises a joint part extending in a Z-axis direction perpendicular to said first and second shaft centers and extending along a tangential line of the first circular surface part and the second circular surface part, a winding part connecting to the joint part wound on the first circular surface part immovably in relation to the first circular surface part, a twining part connecting to the joint part and wound on the second circular surface part; and each of said twining part wound on each of said second circular surface parts immovably in relation to each of said second circular surface parts.