Roller, method of manufacturing the same, and dish washer having the same
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United States of America Patent
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Nov 9, 2021
Grant Date -
N/A
app pub date -
Jul 3, 2019
filing date -
Jul 13, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A roller is capable of smoothly rotating without any burr on a rolling surface. A dish washer including the roller includes: a case; a basket configured to accommodate dishes; a rail configured to guide the basket to be put into or taken out of the case; and a basket roller coupled with the basket and configured to move along the rail, the basket roller comprising a rolling portion configured to roll in contact with the rail, a first flare portion extending in a first direction from the rolling portion, and a second flare portion extending in a second direction from the rolling portion, the second direction being opposite to the first direction, wherein a diameter of the first flare portion is greater than a diameter of the second flare portion.
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