Patent ID: 6964426

Claim:
A side stand device for motorcycles, comprising: a side stand installed on a lower side section of a motorcycle body, the side stand having an arm member which is rotatably biased so as to rotate to either a housing position or a use position by a return spring; a cam section provided on the lower side section of the motorcycle body near a rotational center shaft, the cam section being provided with a mounting section and first and second engaging recessions, each having a small center distance, on each side of the mounting section; an engaging member provided coaxially to the arm member to selectively engage either of the first engaging recession or the second engaging recession when the arm member is in the use position or in the housing position, and to slide on the mounting section when the arm member is in an intermediate position, the engaging member having a small outer diameter section on an upper end and a large outer diameter section on a lower end; and a roller attached to the upper end of the engaging member for rolling against the cam section, the roller having a diameter larger than a width of the small diameter section of the engaging member, wherein the engaging member is biased so as to be pushed toward the cam section by the return spring, an upward movement of the engaging member being limited by contact of the large outer diameter section of the engaging member against a step of the arm member.