Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 23, 2016
Grant Date -
Jan 22, 2015
app pub date -
Mar 7, 2013
filing date -
Mar 7, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A roller bearing cage (1A) is configured such that a pair of ring parts (4, 6) axially separated from each other is connected by column parts (5) sliding on outer peripheral surfaces of rollers (RA), and pocket holes (P) are evenly formed to store and hold the rollers (RA) in a peripheral wall portion in a circumferential direction. The cage (1A) is manufactured such that a base body (2) including the ring part (4) and the column parts (5) with square columnar convexes (5A) and a connection body (3) including the ring part (6) with square holes (6A) are set as separate members.
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