Patent ID: 8495979

Claim:
An internal combustion engine comprising: a cylinder having a piston disposed for reciprocation therein; valve sets through which combustion air enters the cylinder is mixed with fuel for combustion therein and through which products of combustion exit the cylinder; a valve train assembly, configured to assure a proper opening and closing of the valve sets and comprising: a drive rocker arm, including a first, proximal drive rocker arm end in contact with a rotatable camshaft and a second, distal drive rocker arm end in contact with a valve shaft of a first valve of a valve set; and a driven rocker arm including a first, proximal driven rocker arm end in contact with the drive rocker arm at a location on the drive rocker arm that is adjacent to the first, proximal drive rocker arm end and a second, distal driven rocker arm end in contact with a valve shaft of a second valve of a valve set, the drive rocker arm and the driven rocker arm operable to move the valve sets reciprocally from a closed to an open position.