Patent ID: 8656878
Filing Date: 2014-02-25
Classification: F01L,Y10T

Abstract:
1. A cam follower for actuating a gas exchange valve of an internal combustion engine, comprising: a housing having a recess and roller contact surfaces which delimit the recess; a needle bearing; a bearing journal spanning the recess and resting on the housing; and a cam roller, which has a bearing bore and end faces, radially mounted in the recess of the housing for disengaging a cam of a earn shaft by the needle bearing running in the bearing bore on the bearing journal, the needle bearing having a width greater than a width of the cam roller in a region of cam disengagement, and the width of the needle bearing is substantially greater than the width of the cam roller in a region of the bearing bore and substantially greater than a clear space between the roller contact surfaces on which the cam roller runs axially at the end faces.