DRIVE PLATE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 12, 2013
priority date (Note) -
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Abstract
A drive plate includes a plate section connected to a crankshaft of an engine, and an annular ring gear section that extends in an axial direction from an outer circumference of the plate section and includes external teeth that mesh with a pinion gear of a cell motor for cranking the engine, where the plate section and the ring gear section are integrally formed by press working; each of the inner side recesses is formed on an inner circumferential surface of the ring gear section so as to be located on an inner side of each of the external teeth at least on a play end side of the ring gear section; and each of the external teeth includes a step portion recessed toward the inner side than a tooth tip on the play end side.
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