WORK VEHICLE - YANMAR CO LTD

Title:

WORK VEHICLE

Document Type and Number:

WIPO Patent Application WO/2016/189944

Kind Code:

A1

Abstract:

A work vehicle in which the overall rigidity of a link structure is improved is provided with a rear axle case extending in the left-right direction and a crawler device arranged on the extension direction side. The rear axle case comprises a main body extending in the left-right direction and a lid body fixed to the extended end thereof. The crawler device comprises a track frame positioned blow the rear axle case and a link structure positioned between the track frame and the rear axle case. The link structure (43) comprises front-side and rear-side link arms (43A, 43B) on both the front and rear sides of the rear axle case (8) and a bracket (43C) and plate (43D) that sandwich the upper ends of the front-side and rear-side link arms (43A, 43B) and pivotally support the front-side and rear-side link arms (43A, 43B). Attachment seat surfaces (8A1, 8B1) are formed on the main body (8A) and the lid body (8B). The attachment seat surface (8B1) of the lid body (8B) protrudes in the left-right direction. The bracket (43C) and the plate (43D) are directly attached to the rear axle case (8) via the attachment seat surfaces (8A1, 8B1).

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Inventors:

FUJIKI KATSUMI (JP)
HIRAI TADAO (JP)
YAMAGUCHI KOUJI (JP)
MORISHITA KEN (JP)
YAMAMOTO NAOKI (JP)

Application Number:

PCT/JP2016/059186

Publication Date:

December 01, 2016

Filing Date:

March 23, 2016

Export Citation: