Patent ID: 9587530
Date: 2017-03-07
CPC Classifications: F01L

Claim:
1. A switchable roller finger follower having at least two lift modes for a valve train of an internal combustion engine, comprising: an primary lever having first and second ends, with a valve stem support located at the first end and a lash adjuster support recess located at the second end; a secondary lever mounted for pivoting movement to the primary lever at the first end of the primary lever by a pivot axle, the secondary lever including a cam contact surface, and a coupling surface facing the second end; and a coupling device located on the primary lever that includes a coupling pin arranged to move in a longitudinal direction between at least a first locking position, in which the secondary lever is locked to the primary lever at least in an activation direction of a valve, and an unlocked position, in which the secondary lever pivotable relative to the primary lever, the coupling pin including a ramp surface that engages the coupling surface, and a locking arrangement for locking the coupling pin in the first locking position.