Patent ID: 8402933
Filing Date: 2013-03-26
Classification: F01L

Abstract:
1. A rocker arm changeover device for an engine, comprising: at least one major rocker arm to drive a plurality of intake valves or a plurality of exhaust valves; at least one driven rocker arm arranged in line with the major rocker arm; and a changeover pin that is movable within a first pin hole and a second pin hole to change an engagement state of the major rocker arm and the driven rocker arm between engagement and disengagement, the first pin hole being provided in the major rocker arm and the second pin hole being provided in the driven rocker arm at positions such that the first pin hole in the major rocker arm coaxially matches the second pin hole in the driven rocker arm through rocking motions of the major rocker arm and the driven rocker arm, the changeover pin comprising: