Rocker arm apparatus for engine cylinder deactivation

A rocker arm apparatus for cylinder deactivation, comprising:

• a rocker arm;
• a restoring spring supported at the bottom of a rear end portion of the rocker arm;
• a roller coupled to the rocker arm to be pressed by a cam;
• a pair of rocker shaft assemblies each including first and second rocker shafts, and a connecting rod integrally connecting the first and second rocker shafts;
• a pair of rocker shaft support members connected to the rocker arm by means of the first and second rocker shafts;
• and
• a transfer member for controlling the rocker shaft assembly;
• wherein the rocker shaft support member comprises a first assembly hole, into which the first rocker shaft is inserted, formed penetrating through a front end portion thereof in the longitudinal direction of the first rocker shaft, and a second assembly hole, into which the second rocker shaft is inserted, formed penetrating through a rear end portion thereof in the longitudinal direction of the second rocker shaft.