Patent ID: 8511272

Claim:
An accessory mounting structure for mounting an accessory to a cylinder block of an engine, comprising: an accessory mounting bracket attached to the cylinder block; and a bolt for fastening a mounting piece provided on a lower side of the accessory to the accessory mounting bracket, wherein, the accessory mounting bracket includes a horizontal groove, which extends horizontally and is open at a side surface of the accessory mounting bracket on a side opposite to the cylinder block when the accessory mounting bracket is fixed to the cylinder block, and wherein the horizontal groove is configured to receive a shank of the bolt through an opening of the horizontal groove, such that the bolt is borne by a lower surface of the horizontal groove while restraining the bolt from moving toward the opening of the horizontal groove, and the horizontal groove allows the accessory to turn, within the horizontal groove, about an axis of the bolt, as a fulcrum, for positioning an upper side of the accessory.