Patent ID: 8033259

Claim:
A rocker arm for an internal combustion engine, comprising: a roller brought into contact with a cam thereby to be rotated; and an arm body having a storage portion in which the roller is stored, the arm body being swung by rotation of the cam, thereby opening and closing a valve, wherein the storage portion has an opening edge located on an upper surface of the arm body and opposed to a circumferential surface of the roller, and the opening edge includes a part receiving lubricant oil flowing along the upper surface of the arm body, said part being formed with a receiving opening edge jutting out so that both widthwise ends thereof are located away from the circumferential surface of the roller and so that a widthwise central portion thereof comes closer to the circumferential surface of the roller; and wherein the arm body has a lubricant guide path which is formed by recessing the upper surface thereof and guides the lubricant oil into the storage portion, the lubricant guide path having a width that is gradually rendered larger as the lubricant guide path gets close to the widthwise central portion of the receiving opening edge.