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US 6,318,485 B1Granted
Tractor
AssigneeKubota Corporation
InventorsMasashi Osuga, Takashi Yoshii, Hiroshi Shimada
Life of this patent
Estimating the term…
Abstract
A tractor having a mid-mount type mower includes a pair of frames extending in a fore and aft direction, and a transmission case extending and supported between the pair of frames. The transmission case houses a power takeoff clutch disposed above a rear wheel differential. A change speed gearing mechanism is disposed between a front surface of the transmission case and the rear wheel differential. With such an arrangement of the components, the transmission case has a reduced length in the fore and aft direction.
Claims9
A tractor comprising:
- front wheels;
- rear wheels;
- a transmission case disposed adjacent to said rear wheels, said transmission case having right and left walls, a front wall and a rear wall;
- and
- a framework substantially forming a body of said tractor, said framework forming a rectangle elongated longitudinally of said tractor in plan view, and including:
- a pair of opposed long sides defined by right and left frames extending longitudinally of said tractor;
- a first short side adjacent to said front wheels, said first short side being defined by a cross member connecting said right and left frames to each other;
- and
- wherein said transmission case forms a second short side adjacent to said rear wheels, wherein said right and left frames are directly connected to said right and left walls of said transmission case, respectively, by connecting means;
- and
- a rear axle supported by said transmission case, wherein said right and left frames extend rearwardly of said rear axle.
8 more elements
A tractor comprising:
- front wheels;
- rear wheels;
- a transmission case disposed adjacent to said rear wheels, said transmission case having right and left walls, a front wall and a rear wall;
- a rear axle supported on said transmission case;
- a framework substantially forming a body of said tractor, said framework extending longitudinally of said tractor in plan view, and including:
- a pair of opposed long sides defined by right and left frames extending longitudinally of said tractor, wherein said right and left frames are directly connected to said right and left walls of said transmission case, respectively, at both forward and rearward regions with respect to said rear axle;
- and a first short side adjacent to said front wheels, said first short side being defined by a cross member connecting said right and left frames to each other, wherein said transmission case forms a second short side adjacent to said rear wheels.
4 more elements
Dependencies are inferred from the claim text.