Rotation transmitting apparatus, vehicle steering system, and intermediate shaft
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United States of America Patent
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Apr 14, 2015
Grant Date -
Mar 20, 2014
app pub date -
Sep 12, 2013
filing date -
Sep 19, 2012
priority date (Note) -
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Abstract
A rotation transmitting apparatus includes a first shaft on which multiple external teeth are formed so as to be arranged in a circumferential direction, and a second shaft in which multiple internal teeth are formed so as to be arranged in the circumferential direction, the second shaft being fitted to the first shaft so as to be slidable relative to the first shaft in the axial direction and so as to be engageable with the first shaft in a rotational direction through the use of the external teeth and the internal teeth. A protrusion is formed on the tooth flank of one of the external tooth and the internal tooth, the protrusion being projected toward the corresponding tooth flank of the other of the external tooth and the internal tooth. The protrusion is made of a resin that is more elastically deformable than the tooth flank.
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