Switching rocker arm

摘要

A rocker arm for engaging a cam is disclosed. An outer arm and inner arm are configured to transfer motion to a valve of an internal combustion engine. A latching mechanism includes a latch, sleeve and orientation member. The sleeve engages the latch and a bore in the inner arm, and also provides an opening for an orientation member used in providing the correct orientation for the latch with respect to the sleeve and the inner arm. The sleeve, latch and inner arm have reference marks used to determine the optimal orientation for the latch.

主权项

1. A method for orienting a latch in a switching rocker arm having a first arm and a second arm having a latch bore, the method comprising:
providing a latch having a first arm contacting surface configured to engage the first arm and further having a latch orientation reference; providing a sleeve having an opening configured for insertion of a latch and further having a sleeve orientation reference; inserting the latch into the opening of the sleeve to form a latch subassembly; rotating the latch relative to the sleeve until the latch orientation reference has a predetermined orientation with the sleeve orientation reference; inserting the latch subassembly into the latch bore of the second arm based on the latch orientation reference having the predetermined orientation with the sleeve orientation reference.