Rocker arm structure
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United States of America Patent
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Apr 8, 2014
Grant Date -
Sep 1, 2011
app pub date -
Feb 4, 2011
filing date -
Feb 26, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosed structure achieves a desired balance between higher-rigidity and weight saving in a connection-type rocker arm which integrally rocks a plural of arm portions. The rocker arm has a plurality of arm portions integrally formed on a swinging base end side of the rocker arm which are forked and extend towards a swinging end of the rocker arm, a connecting portion which integrally connects each swinging end of the arm portions, and a concave thinning portion which overlaps a swinging trajectory of the connecting portion, when viewed in the axis direction of the pivot shaft of the rocker arm.
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