Method of manufacturing the outer retainer of a one way clutch that includes windows, by placing the outer retainer into a die and punching out slits in the outer retainer using a thin punch
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United States of America Patent
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Oct 16, 2012
Grant Date -
Jan 22, 2009
app pub date -
Jul 21, 2008
filing date -
Jul 19, 2007
priority date (Note) -
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Abstract
A method of manufacturing an outer retainer for a one-way clutch having an outward flange at one side edge thereof involves punching out a part of an annular portion having the outward flange by sliding a punch toward an axis of the outer retainer substantially in an axially inner direction from a retainer outer periphery-sided curve portion of the outward flange to a retainer inner periphery-sided curve portion thereof in a way that uses a die and the punch.
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