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Patent Searching and Data


Title:
WORK VEHICLE
Document Type and Number:
Japanese Patent JP2010117004
Kind Code:
A
Abstract:

To dispose an operation part of an opening and closing valve provided in a bypass path carrying out short-circuit connection of a primary side oil pathway and a secondary side oil pathway of a hydrostatic continuously variable transmission such that the operation part is easily operated by an operator who has gotten out a running machine body during engine stoppage.

The work vehicle is equipped with the opening and closing valve 6 in the bypass path 55 carrying out short-circuit connection of the primary side oil pathway 53a and the secondary side oil pathway 53b of the hydrostatic continuously variable transmission. It is configured that the opening and closing valve 6 is switched between an oil pathway opened state allowing pressure oil flowing in the bypass path 55 to allow towing of the running machine body during engine stoppage, and an oil pathway closed state blocking the pressure oil flowing in the bypass path 55. The operation part 66 of the opening and closing valve 6 is provided in a position operable from the ground of a driving part.


Inventors:
ANDO TOMOKAZU
Application Number:
JP2008000292081
Publication Date:
May 27, 2010
Filing Date:
November 14, 2008
Export Citation:
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Assignee:
KUBOTA KK
International Classes:
F16H39/14
Domestic Patent References:
JPS63235760A1988-09-30
JPS63130368U1988-08-25
JPH041775U1992-01-08
JPS5246186U1977-04-01
JPS63235760A1988-09-30
JPS63130368U1988-08-25
Attorney, Agent or Firm:
北村 修一郎
山▲崎▼ 徹也
▲濱▼野 孝
小副川 義昭