MACHINING METHOD, METHOD FOR MANUFACTURING PLANETARY CARRIER, AND PLANETARY CARRIER
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United States of America Patent
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Issued Date -
Mar 2, 2023
app pub date -
Oct 26, 2022
filing date -
Sep 20, 2017
priority date (Note) -
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Abstract
A planetary carrier includes a plurality of plate portions, and column portions connecting the plurality of plate portions. The column portions each have an outer circumferential surface, an inner circumferential surface, and sidewall surfaces. The sidewall surfaces are each formed in a circular arc shape and the circular arc shape has a center on an outer circumferential side in a cross section perpendicular to a shaft of the planetary carrier. An angle formed between the outer circumferential and each of the sidewall surfaces is an obtuse angle and an angle formed between the inner circumferential and each of the sidewall surfaces is an acute angle. The plurality of plate portions and the column portions are integrally formed as one sintered body.
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