TRANSMISSION FOR WORKING VEHICLE

WIPO Patent Application WO/2013/027446

A1

A backhoe loader is configured so that the backhoe loader has satisfactory travel performance obtained by increasing the number of stages of the transmission and so that the shifting of the transmission performed at low speed during work is smooth. This transmission is provided with an input shaft (40), intermediate shafts (41, 42), output shafts (43, 44), a power transmitting mechanism, and a control unit (60) which switches between power transmitting paths. The power transmitting mechanism includes a forward clutch and a reverse clutch which are used to switch between forward movement and reverse movement, and also includes first to third clutches (C1-C3) which switch between speed stages. The forward clutch has a forward low speed clutch (FL) and a forward high speed clutch (FH) which are used to switch between speed ranges. In forward first to third speed ranges used for loading work, the control unit (60) switches between shift stages by switching only one of the forward low speed clutch (FL), the forward high speed clutch (FH), and the first to third clutches (C1-C3).

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

PCT/JP2012/060935

February 28, 2013

April 24, 2012

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

F16H3/085; F16H3/093

JP2007506918A	2007-03-22
JPH11230278A	1999-08-27
JPH0986202A	1997-03-31
JPH03219152A	1991-09-26

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