Patent ID: 8286599

Claim:
An engine valve actuation assembly comprising: a shaft adapted to be coupled to an engine structure and defining a shaft bore; a rocker arm rotationally supported on an outer surface of the shaft and including: a first arm adapted to engage a first lobe of a camshaft and a first engine valve and defining a first longitudinal bore; and a second arm adjacent the first arm, adapted to engage a second lobe of the camshaft and defining a second longitudinal bore; a locking assembly including a first lock pin located within the first longitudinal bore, an actuation pin extending through a radial passage in the rocker arm and engaged with the first lock pin, and a first biasing member engaged with the first lock pin and urging the first lock pin toward the actuation pin and biasing the actuation pin radially inward; and an actuation assembly located in the shaft bore and including an actuation member supported on an actuation rod, engaged with the actuation pin and linearly displaceable between first and second actuation positions, the first and second arms being rotatable relative to one another when the actuation member is in the first actuation position and being fixed for rotation with one another by the first lock pin when the actuation member is in the second actuation position.