WORKING VEHICLE - ISEKI AGRICULT MACH

Title:

WORKING VEHICLE

Document Type and Number:

WIPO Patent Application WO/2010/097966

Kind Code:

A1

Abstract:

Provided is a working vehicle, in which a speed change device for changing the speed of a toroidal speed change mechanism is efficiently arranged in a limited space and constituted as simply as possible, thereby to reduce the manufacturing cost. The speed change device comprises a friction roller supporting arm for pivoting a friction roller in a rocking manner, a fulcrum plate having a piston for rocking the friction roller supporting arm on a pivot, a spacer plate for closing the cylinder bore of a working cylinder to reciprocate the piston, and a hydraulic block constituting a controlling hydraulic device for feeding or discharging oil to or from the inside of the working cylinder. The working vehicle is characterized by assembling the fulcrum plate, the spacer plate, and the hydraulic block of the speed change device over the side wall of a transmission case.

Inventors:

MURAKAMI TAKAHISA (JP)
WATANABE TOMOAKI (JP)
OOSHITA JUNICHI (JP)
SUIZU KIYOAKI (JP)

Application Number:

PCT/JP2009/054630

Publication Date:

September 02, 2010

Filing Date:

March 11, 2009

Export Citation:

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Assignee:

ISEKI AGRICULT MACH (JP)
MURAKAMI TAKAHISA (JP)
WATANABE TOMOAKI (JP)
OOSHITA JUNICHI (JP)
SUIZU KIYOAKI (JP)

International Classes:

F16H15/38

Foreign References:

JP2006522906A	2006-10-05
JP2006138338A	2006-06-01
JPH10132046A	1998-05-22
JPH10132044A	1998-05-22
JP2009054630A	2009-03-12

Other References: