Patent ID: 8215275
Filing Date: 2012-07-10
Classification: F01L,Y10T

Abstract:
1. A rocker arm for engaging a cam having at least one lift lobe and at least one substantially circular safety lobe, the at least one lift lobe having a lift lobe base circle, the lift lobe base circle having a lift lobe base circle diameter, the at least one safety lobe positioned concentrically with the base circle and having a diameter less than the diameter of the base circle, the rocker arm comprising: an outer arm, an inner arm, a pivot axle, a lift lobe contacting bearing, a bearing axle, and at least one bearing axle spring; the outer arm having a first and a second outer side arms, the first and the second outer side arms having at least one safety lobe contacting surface configured to be spaced from the at least one safety lobe during normal engine operation, and outer pivot axle apertures configured for mounting the pivot axle; the inner arm disposed between the first and second outer side arms, and having a first and a second inner side arms, the first and second inner side arms having inner pivot axle apertures configured for mounting the pivot axle, and inner bearing axle apertures configured for mounting the bearing axle; the pivot axle disposed in the inner pivot axle apertures and the outer pivot axle apertures; the bearing axle mounted in the bearing axle apertures of the inner arm; and, the at least one bearing axle spring secured to the outer arm and in biasing contact with the bearing axle, the lift lobe contacting bearing mounted to the bearing axle between the first and the second inner side arms.