Rocker arm
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- KOYO SEIKO CO LTD
- Publication Date
- 2005-07-20
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a rocker arm made of sheet metal for a valve mechanism of an automobile engine. Background technique
[0002] A rocker arm made of sheet metal installed in a valve mechanism of an automobile engine has rollers arranged between a pair of opposite side walls of a main body made of sheet metal. on axis. Among the connecting walls respectively connected to the two opposite sides in the length direction, one of the connecting walls is the impact adjuster receiving portion, and the other connecting wall is the valve stem receiving portion.
[0003] In the rocker arm made of sheet metal, by rotating the cam in contact with the roller, the main body is rocked with the shock adjuster receiving part as a fulcrum, and the valve is opened by moving the valve stem up and down on the valve stem receiving part. Close (for example, with reference to Japanese Patent Application Laid-Open No. 6-74004).
[0004] The sliding contact surface bet...