Curved trench ball bearing
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
Jan 13, 2016
filing date -
Sep 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a curved trench ball bearing, which includes an outer ring 1, a set of steel balls 2, a set of retainers 3 and an inner ring 4. The raceways of outer ring 1 and inner ring 4 are used for inlaying steel balls. At least one of them is “S”-shaped curve arc raceway end to end, the other is linear or “S”-shaped curve arc raceway. The number of the “peak” and the number of the “valley” of the curve arc raceway are equal to or an integer times of the number of steel balls. By means of this structure, a bearing can achieve the displacement of reciprocating rectilinear motion while rotating, thereby simplifying a mechanical structure of a kneading roller.
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