Roller frictional transmission unit
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United States of America Patent
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-
Nov 12, 2013
Grant Date -
Jun 14, 2012
app pub date -
Dec 2, 2011
filing date -
Dec 9, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A roller frictional transmission unit includes: a first roller; a second roller; an input shaft connected with a driving system of main driving wheels, and connected with one of the first roller and the second roller; an output shaft connected with a driving system of auxiliary driving wheels, and connected with the other of the first roller and the second roller; a thrust bearing arranged to position an input shaft side rotation section including the one of the first roller and the second roller and the input shaft, or an output shaft side rotation section including the other of the first roller and the second roller and the output shaft, with respect to a unit housing in an axial direction; and a low rigidity structure disposed in a thrust transmission path to the thrust bearing, and arranged to buffer a thrust.
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