Patent ID: 8777242
Filing Date: 2014-07-15
Classification: B60G

Abstract:
1. A linkage mechanism for double-wheel combination of vehicle comprising: a linking block for receiving a center axle; the center axle arranged to the linking block; a sway block being pivoted to the center axle; a connecting rod pivoted to the sway block of the center axle; a main frame; wherein the main frame is assembled by a front frame and a rear frame; the center axle is axially retained by through holes formed to the front frame and the rear frame respectively; the two sway rods are pivoted to at least one of the front frame and the rear frame; and two sway rods pivoted to two ends of the main frame; the sway rods being pivoted to two ends of the connecting rod respectively; and wherein the two sway rods will sway simultaneously and identically through the linking of the connecting rod; and wherein the sway rod is covered by a side shield; and wherein the sway rod includes a rod body having an upper section and lower section; the outer diameters of the upper section and lower section are smaller than that of the rod body; the side shield is approximately a cap body covering the sway rod; the side shield has two through holes on the top and the bottom thereof for receiving the upper section and the lower section of the sway rod respectively.