Patent ID: 8876082

Claim:
In an actuator structure for a fill valve of a container filling machine which has a housing providing a liquid product bowl, a bearing means adapted for mounting thru a wall of a product bowl and having a rotatable camshaft means mounted therethrough, said camshaft means having a fill valve operating cam structure on its inner end portion engageable with cam follower means on the fill valve and further having a trip lever means on its outer end portion, the improvement comprising a brake structure having a helical wave spring mounted around said camshaft means and having an inner face bearing against an intermediate portion of said bearing means and having an outer face bearing against an inner portion of said trip lever means, and axial force generating means engaging said trip lever means and said camshaft means and being operable to pull said cam structure against an inner end portion of said bearing means to compress said spring and provide a desired frictional resistance to rotation of said camshaft means within said bearing means and wherein low friction washer means is interposed between all relatively movable metal parts of said actuator structure.