ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,001, issued on Oct. 28, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Crank case structure" was invented by Toru Kisaichi (Tokyo) and Hirokazu Tanaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crank case structure that can reduce a front-rear dimension of the crank case to reduce the size of a power unit. A crank case structure adapted to a crank case (9) that houses a crankshaft (C) of a power unit (P), including a crank case cover (20) attached to a side surface of the crank case (9), a push rod (31) that is disposed parallel to the crankshaft (C) and reciprocates to disengage a clutch (CL), and a clutch drive unit (30) that reciproc...