Patent ID: 6164109
Filing Date: 2000-12-26
Classification: B21D,F16C,F16H

Abstract:
A metal can production necker including a rotatable turret and a plurality of pairs of can forming reciprocal movable rams, a track-like cam adapted to control the movement of the rams and a plurality of cam followers each having a rotatable race which rolls on the cam, characterized in that each cam follower comprises a metal shaft fixed to a ram and having an external face, a metal race having an inner face rotatably mounted on the shaft without rolling elements therebetween, the cam follower not being lubricated, and low-friction high-impact diamond film coatings on the mating and relatively rotatable inner face of the race and external face of the shaft, the said diamond films not being over-coated with another material and being in rotational contact with each other.