| 摘要 |
A tricycle of the construction having one front and two rear wheels supported by front forks and a body frame, comprising an axle frame rotatably supporting the two rear wheels at the both ends, means secured to the rear portion of the body frame for resiliently supporting the axle frame at about its center point, means secured to the rear end of the body frame for supporting a driven shaft on which a driven sprocket is fixedly mounted, and a universal joint for connecting the axle of at least one rear wheel with the driven shaft, the centerline of oscillation of the axle frame relative to the body frame being in agreement with the center of said universal joint. |
