Fixing structure between crankshaft and torsional damper

Abstract

There is provided a fixing structure between a crankshaft and a torsional damper capable of achieving reductions in the number of components and the number of work processes. In a fixing structure between a crankshaft 100 and a torsional damper 200 having an insertion hole into which a tip portion 120 of the crankshaft 100 is inserted, a fitting groove 121 extending in parallel to a rotation center axis of the crankshaft 100 is provided in an outer peripheral surface of the tip portion 120 of the crankshaft 100, and a fitting protrusion 211a to be fitted in the fitting groove 121 is provided on an inner peripheral surface of the insertion hole.

Dependencies are inferred from the claim text.