Kubota Corporation

Naoya Muramoto

Toshihiko Takemura

Ryohei Sumiyoshi

Hiroyuki Anami

Yoshihiro Ueda

Yasuo Nakata

Yoshitaka Matsubara

Toyoaki Yasuda

Masanori Fujino

Kenji Mitsui

Takeshi Ikumura

Yuuki Takano

Yusuke Kawai

Youhei Kawano

Arinobu Ishida

Koichi Kawaguchi

Masayuki Nakano

Kosuke Oyama

Masami Hirooka

Masataka Takagi

Shoichiro Kawamura

Shusaku Yamaguchi

Akiyoshi Uchijima

Tsuyoshi Aoki

A loader work machine is disclosed in which a base portion of each of right/left arms () is received by an arm support portion () of a first lift link () and pivotally supported by a first arm shaft (), and a hydraulic pipe arrangement () connected to a hydraulic actuator () extend through an support frame () from inside to outside of its inner wall (), and toward an arm (). The base portion of the arm () is supported to the arm support portion () at a position adjacent a link outer wall () in a transverse direction so that a hose accommodation space () is formed between a link inner wall () and an internal side face of the base portion of the arm (). The hydraulic pipe arrangement () runs frontward of the first arm shaft () and a first link shaft (), and is disposed in the hose accommodation space ().

Loader work machine

A front loaderis connected to a front portion of a tractorhaving a tractor body. The front loaderincludes mounting framesarranged at right and left sides of the tractor body, boomspivotally supported by upper ends of the mounting framesto be vertically swingable, and a working implementswingably connected to distal ends of the booms. A control valveis disposed outside the tractor bodyand rearwardly of one of the mounting framesfor controlling hydraulic cylinders

Valve mounting structure for a loader work vehicle, and a loader work vehicle

Positional relationship among the first link support shaft (), the second link support shaft (), the first arm support shaft () and the second arm support shaft () is set such that an upper portion of the first lift link () comes into substantial agreement with a rear end of the machine body (), when the upper free end of the first lift link () is pivoted maximally rearward in the course of transition of the arm () from a lowermost state realized lifting down the arm () to an uppermost state realized by lifting up the arm ().

A hood for a loader work machine is provided at the rear end of the frame body and downwardly of the transverse connecting member between the pair of right/left support frame members. The transverse connecting member includes a front wall plate and an upper wall plate projecting rearward from an upper end of the front wall plate. The upper wall plate of the transverse connecting member is disposed more downwardly than the vertical center of the cabin. A rear portion of the upper wall plate is inclined downwardly rearward. A hood upper wall is provided for covering a rear upper side between the pair of right/left support frame members. A front end portion of the hood upper wall is connected to the rear portion of the upper wall plate of the transverse connecting member. The hood upper wall is inclined downwardly rearward in correspondence with the rear portion of the upper wall plate.

A work vehicle with a front loader is disclosed. The work vehicle includes a traveling control section having an operator's seat, a hood provided forwardly of the traveling control section, a pair of masts provided on right and left sides of the hood, a pair of booms projecting forwardly from upper ends of the masts and an implement detachably connected to the booms. An upper face of the hood is inclined downwardly from its rear upper portion to its front upper portion. The inclined upper face is located adjacent a downward line of sight from an operator's space in the traveling control section to a connecting portion between each boom and the implement.

Work vehicle having front loader

A mounting frame unit attached to a tractor body for enabling working implements such as a front loader and a backhoe to be attached to the tractor body. The mounting frame unit includes a pair of right and left main frames extending longitudinally of the tractor body, and connecting frames for connecting the main frames as spaced from each other. A lower mounting unit is disposed in a rearward section of each of the main frames for connection to a rear axle case forming part of the tractor body. An upper mounting unit for connection to the rear axle case is disposed on a bridge member that bridges upper positions of an upwardly opening cutout formed in the rearward section.

Mounting frame unit for attaching working implements to a tractor body

A working vehicle with a front-end loader comprises:

Working vehicle with a front-end loader, and boom assembly of the front-end loader

A TLB includes a tractor body, a reinforcing frame disposed around the tractor body and supported by the tractor body, a pair of right and left side frames for pivotably supporting a pair of right and left booms having a loader bucket attached to distal ends thereof, and braces for connecting the side frames to the tractor body. The side frames are connected to the reinforcing frames by at least two connecting bosses attached to the side frames, at least two connecting bosses attached to the reinforcing frame, and pins inserted through bores of the connected bosses and bores of the connecting bosses. Rear positions of the reinforcing frame are attached to cylindrical portions of rear axle cases by holders rotatable about an axis of the cylindrical portions, and mounting members for connecting the holders to the reinforcing frame, respectively.

Tractor-loader-backhoe

Each of right and left attaching units of a front loader of a working vehicle has a pair of side plates extending vertically, and a connecting member interconnecting the side plates in positions intermediate in a fore and aft direction, As a result, each of the right and left attaching units has an H-shaped cross section.

Growing community of inventors

Sakai, Japan

Naoya Muramoto