Patent ID: 9115607
Filing Date: 2015-08-25
Classification: F01L

Abstract:
1. A dual body rocker arm comprising: a first end, a second end, an outer arm, an inner arm, a substantially cylindrical pivot axle, a pivot foot, and a first and a second pivot foot retaining rings; the outer arm having a first and a second outer side arms extending from the first end to the second end, and outer pivot axle apertures disposed adjacent the first end and 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 disposed adjacent the first end and configured for mounting the pivot axle; the pivot axle disposed in the inner pivot axle apertures and the outer pivot axle apertures; the pivot foot having (i) a cylindrical axle interfacing surface extending between the first and second inner side arms, (ii) a valve tip interface disposed between the first and second inner side arms, and (iii) a first and a second retaining ring mounting portions, the first retaining ring mounting portion disposed between the valve tip interface and the first inner side arm, and the second retaining ring mounting portion disposed between the valve tip interface and the second inner side arm; and wherein the first and second retaining rings overlap the corresponding first and second retaining ring mounting portions and partially rotatably mount the pivot foot to the pivot axle wherein the at least one of the first and second retaining rings has a first interfering protrusion configured to permit movement of the at least one of the first and second retaining rings relative to the inner arm until the first interfering protrusion contacts an interfering projection disposed on the inner arm.