US Patent Issued to PIAGGIO & C. on Aug. 26 for "Motor vehicle with a suspension using a Tchebicheff four-bar linkage" (Italian Inventor)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,875, issued on Aug. 26, was assigned to PIAGGIO & C. S.P.A. (Pontedera, Italy).

"Motor vehicle with a suspension using a Tchebicheff four-bar linkage" was invented by Andrea Raffaelli (Pontedera, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The saddle-riding motor vehicle (1; 107; 207) comprises a rear driving wheel (5; 105; 205) and a front steered wheel (7; 107; 207). The front steered wheel (7; 107; 207X, 207Y) is connected to a rotatable arm (9; 109; 209X, 209Y) provided with a rotary motion about a steering axis (A-A). A wheel support (37; 137) is connected to the rotatable arm (9; 109; 209) with the interposition of a suspension (17; 1...