Method of making an outer lever of a switchable finger lever
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United States of America Patent
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Sep 21, 2010
Grant Date -
Mar 29, 2007
app pub date -
Jun 2, 2004
filing date -
Jul 9, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient feature of the invention is that through a special trimming operation of the cup-shaped base body (16) that is formed in a first step of the method, running contact surfaces (14, 15) for cams, preferably high-lift cams, are generated on upper sides (12, 13) of arms (4, 5) of the outer lever (1). Through the deep drawing method of the invention, only relatively low fabrication costs are to be expected.
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