Patent ID: 8584630

Claim:
A switchable roller finger follower assembly for a valvetrain system, comprising: an elongated body having a lash adjuster end, a valve stem end and at least two outer elongated side walls extending between the lash adjuster end and the valve stem end, a cam follower positioned in said elongated body mounted between the two outer elongated side walls; at least one vertical slot positioned on a top edge of at least one of said elongated body side walls, at least one horizontally moveable lockable shuttle pad positioned on at least one side wall of said elongated body, the shuttle pad having at least one downward extension arm extending into the vertical slot for guiding and limiting the horizontal movement of the shuttle pad on the at least one outer elongated side wall, at least one lost motion spring positioned in said vertical slot, in contact with said extension arms of said shuttle pad, horizontally urging said at least one shuttle pad toward said cam follower, and at least one locking assembly operable to selectively lock said pad in locked position to effect one or more selected ones of plural lift operations.