Method of making a rocker arm
Patent
·
OSTI ID:5527482
A method of producing a rocker arm is described, comprising: forming a rocker arm having a valve contacting portion, a cam contacting portion and a pivot portion for contact with a pivot of a lash adjuster and entirely made of ceramics; processing the rocker arm by barrel finishing; and; grinding the pivot portion by using the valve contacting portion and the cam contacting portion as datum surfaces and thereby locating the pivot portion in position relative to the valve contacting portion and the cam contacting portion.
- Assignee:
- NGK Spark Plug Co., Nagoya
- Patent Number(s):
- US 4841922
- OSTI ID:
- 5527482
- Country of Publication:
- United States
- Language:
- English
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