Patent ID: 6532920
Filing Date: 2003-03-18
Classification: F01L

Abstract:
A multiple lift position engine rocker arm assembly comprising:a body engagable adjacent a first end with a valve stem, said body being engagable with a fulcrum adjacent an end opposite said first end; an arm pivotally connected to one of said ends of said body, said arm being spring biased into engagement with a cam lobe, said arm having an aperture therein; a latch connected on an end of said body generally opposite said arm pivotal connection to prevent angular movement of said arm with respect to said body in a first given angular direction to transmit movement of said arm by said cam to said body for a first state of activation of said valve stem, and said latch having a second position to allow said arm to pivot relative to said body to activate said valve stem in a second state of activation; a shaft connected with said body and extending into said arm aperture providing an angular stop for said arm; and a roller rotatably connected to said body for contacting a cam lobe in said second state of activation.