Housing-rotatable planetary gear reducer for stand mixer
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United States of America Patent
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May 29, 2018
Issued Date -
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app pub date -
Apr 6, 2017
filing date -
Apr 6, 2017
priority date (Note) -
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Abstract
A housing-rotatable planetary gear reducer for stand mixer includes an immovable second planetary carrier and a rotatable second ring gear fixedly locked to a housing of the planetary gear reducer. Power from a motor is transmitted to the rotatable second ring gear and output via the housing, to which a mixer shaft is connected. The housing of the housing-rotatable planetary gear reducer is fully sealed and oil-leakproof, provided a lubricant oil level inside the planetary gear reducer is not higher than a normal oil level. Further, the housing-rotatable planetary gear reducer includes two tapered roller bearings arranged at a highest and a lowest position on the housing to provide two sufficiently spaced and stable support points capable of bearing axial and radial forces from the rotating mixer shaft. Therefore, lengthened support base and coupling can be omitted to enable reduced manufacturing cost, weight and volume of the planetary gear reducer.
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