Variable valve operating apparatus for internal combustion engine has contact point arranged between driven roller and rocker arm, and located in hollow space of swing arm when valve lift of engine valve is set at preset amount or more

摘要

A contact point, arranged between a driven roller (40) and a rocker arm (5,14), is located in the hollow space (39) of a swing arm (37) when the valve lift of an engine valve is a predetermined lift amount or more. The driven roller is rotatably arranged within the hollow space of the swing arm and contacted with the cam surface of the rocker arm. A control shaft (15) has an eccentric control cam (16) on the outer periphery.