Kubota Corporation

Akihiro Takami

Toshifumi Yasuda

Yusuke Morita

Yuki Monde

Jun Yoshida

Hiroyuki Suzuki

A transfer-case attaching device includes a fixation mechanism. The fixation mechanism includes a connection bolt. The connection bolt includes a screw shaft portion, a large-diameter shaft portion, and a flange portion. The large-diameter shaft portion has a first contact surface at an end portion of the large-diameter shaft portion. The flange portion has a second contact surface at an end portion of the flange portion. A gap between the first contact surface and the second contact surface is set to a tightening-amount limited region, in which tightening of the connection bolt with respect to a transfer case is restricted to or below a predetermined tightening amount.

Transfer-case attaching device and multi-purpose vehicle including the transfer-case attaching device

A transmission includes a speed change gearbox including gears configured to be switched by a movement of a shifter having a cam pin in a guide groove and configured to be moved by a movement of the cam pin following the rotation of a shift drum. The guide groove includes a bent section having an inner wall on an inner side that is formed by (i) first end mill machining performed in a direction in which the guide groove extends; and (ii) second end mill machining performed in the direction in which the guide groove extends, in such a manner as to increase a curvature radius of the inner wall on the inner side formed by the first end mill machining.

Transmission and method for producing transmission

In a utility vehicle, a differential mechanism is provided with a cylindrical portion and a connection portion, respectively on a first end portion and a second end portion of the differential mechanism in a front-rear direction of a body of the utility vehicle. A vehicle fame is provided with a first holder for allowing the vehicle frame to hold the cylindrical portion and a second holder for allowing the vehicle frame to hold the connection portion. The first holder has a through hole receiving the cylindrical portion and is configured to lock the cylindrical portion by the through hole. The second holder includes a first attachment piece and a second attachment piece. The second holder is configured to, with the connection portion between the first and second attachment pieces, connect the connection portion to the first and second attachment pieces by a connection bolt extending in a vehicle width direction.

Utility vehicle

A diff-lock operation shaftis supported by a casein such a manner as to be rotatable around an axis Pof the diff-lock operation shaftand operates a diff-lock sectionto a lock position Aby being rotated, and a first coil springis wound around the outer surface of the diff-lock operation shaftconcentrically with the diff-lock operation shaft, and is linked at one end portionto the diff-lock operation shaftand at another end portionto linking membersand. The first coil springis twisted around the axis Pvia the linking membersandby the manual operation toolbeing operated, and the diff-lock operation shaftis rotated via the first coil spring

Growing community of inventors

Sakai, Japan

Akihiro Takami