Gear mechanism having helical toothing
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United States of America Patent
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Apr 28, 2015
Grant Date -
Sep 19, 2013
app pub date -
Nov 7, 2011
filing date -
Dec 2, 2010
priority date (Note) -
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Abstract
A gear train with at least first and second spur gears (1, 2) which have a tooth width (b), mesh with one another and each have helical teeth (3, 4). The first spur gear (1) has a tooth profile with a crown circle diameter and the second spur gear (2) has a tooth profile with a root circle diameter. The first spur gear (1) has at least one projection (5) on the tooth profile that extends partially along the tooth width and beyond the crown circle diameter, and the at least one projection (5) has at least one contact face (5a) in the axial direction.
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