Patent ID: 8561585

Claim:
A rocker arm unit constituting a valve gear of an internal combustion engine having a cylinder head, the unit comprising: a support member assembled into the cylinder head; a rocker arm including a roller configured for rotation by a cam and a pair of walls opposed to each other with the roller being interposed therebetween, the walls having shaft holes into which both ends of a shaft member rotatably supporting the roller extend respectively, the walls having respective lengthwise ends connected via a receiving portion to each other, the receiving portion being supported on a top of the support member so that the rocker arm is swung with the receiving portion serving as an fulcrum; and a wire member bridging the support member side and the rocker arm side with each other thereby to connect the support member and the rocker arm together, the wire member having an extending portion which extends from the support member side to the rocker arm side and has a distal end, the rocker arm side including a part located away from the receiving portion, the distal end of the extending portion serving as an engagement portion which engages said part of the rocker arm side.