TRANSMISSION FOR WORK VEHICLE

WIPO Patent Application WO/2013/031289

A1

In order to minimize the increase in the clutch capacity for forward/reverse switching and the strengthening of the clutch in a work vehicle that performs V-shaped work, this transmission is equipped with an input shaft (40), output shafts (43, 44), intermediate shafts (41, 42), a power transmission mechanism, and a control unit (60) that switches the power transmission path. The power transmission mechanism includes a forward low-speed clutch (FL), a forward high-speed clutch (FH), a reverse clutch (R), and multiple gear-speed-switching clutches (C1-C3). The control unit (60) switches to a shiftable reverse gear speed by turning off the forward low-speed clutch (FL) or the forward high-speed clutch (FH) and turning on the reverse clutch (R) when a switch is made from forward to reverse, and switches to a shiftable forward gear speed by turning off the reverse clutch (R) and turning on the forward low-speed clutch (FL) when a switch is made from reverse to forward.

JP4281764	Vehicle transmission
JP2003021199	ROTATION SYNCHRONIZING MECHANISM FOR AUTOMATIC CLUTCH TYPE TRANSMISSION
JPH06323375	TRANSMISSION OF AUTOMOBILE

SASADA ATSUSHI (JP)
TAKESHIMA HIROAKI (JP)
KOMATSU YOSHITO (JP)

PCT/JP2012/060938

March 07, 2013

April 24, 2012

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KOMATSU MFG CO LTD (JP)
SASADA ATSUSHI (JP)
TAKESHIMA HIROAKI (JP)
KOMATSU YOSHITO (JP)

F16H3/091; F16H3/093

JP2009281512A	2009-12-03
JP2007506919A	2007-03-22
JPH11230278A	1999-08-27
JPS62118142A	1987-05-29

Shinjyu Global IP (JP)
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