Operating apparatus for hydrostatic continuously variable speed-change device for work vehicle
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United States of America Patent
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Dec 21, 2010
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app pub date -
Mar 5, 2007
filing date -
Mar 13, 2006
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Abstract
A work vehicle includes a hydrostatic continuously variable speed-change device, a gear type multiple-stage speed-change device disposed downstream of the hydrostatic continuously variable speed-change device with respect to a direction in which power is transmitted, first and second oil passages, a bypass oil passage communicating the first and second oil passages with each other, a valve mechanism for opening and closing the bypass oil passage, and a manual operating member provided in a driving section for opening and closing the valve mechanism.
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