Bearing between two coaxial camshafts for automotive engines in particular
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United States of America Patent
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Sep 15, 2009
Grant Date -
Oct 25, 2007
app pub date -
Oct 21, 2005
filing date -
Nov 9, 2004
priority date (Note) -
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Abstract
A camshaft for automotive engines in particular having contra-rotating cams capable of rotating over a limited circumferential angle about the camshaft axis in which an inside shaft (2) and an outside shaft (1) are arranged concentrically one inside the other, the contra-rotating cams (3, 4) include first and second cams, of which the first cam (4) is fixedly connected to the inside shaft, and the second cam (3) is fixedly connected to the outside shaft (1), the outside shaft (1) and the inside shaft (2) are mounted with respect to one another, is to be manufacturable economically and with a high manufacturing precision.
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