Hydraulic transaxle
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United States of America Patent
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Dec 15, 2020
Grant Date -
Aug 15, 2019
app pub date -
Apr 25, 2019
filing date -
Jul 5, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic transaxle includes a transaxle casing including an upper transaxle housing and a lower casing, hydrostatic transmission (“HST”), and an axle. The HST has a hydraulic pump and a hydraulic motor that are fluidly connected to each other. The hydraulic motor has a motor shaft that is drivingly connected to the axle through a reduction gear train that is disposed between the hydraulic pump and the axle. Reduction gear train has a gear shaft supported by the upper transaxle housing via a ball bearing. At least a part of the upper transaxle housing is formed by a gear top cover made of metal and covering the reduction gear train. Ball bearing is supported by the upper transaxle housing and the gear top cover.
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