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US 6,182,771 B2Granted
Tractor
AssigneeKubota Corporation
InventorsKentaro Nakamura, Akio Hattori
Life of this patent
Estimating the term…
Abstract
A tractor has hydraulic cylinders arranged reawardly of a transmission case for swinging lift arms. A plurality of control valves for controlling the hydraulic cylinders are arranged on a lid plate of the transmission case. Oil lines are disposed in the lid plate for intercommunicating the control valves.
Claims16
A tractor comprising:
- a transmission case disposed in a rear position of a vehicle body;
- a lid plate for closing an upper opening formed in said transmission case;
- lift arms vertically pivotable relative to said transmission case about an axis extending transversely of said vehicle body;
- hydraulic cylinders operatively connected to said lift arms to pivot said lift arms;
- a plurality of control valves arranged on an upper surface of said lid plate for controlling said hydraulic cylinders;
- and
- oil lines for said control valves, said oil lines being disposed in said lid plate.
4 more elements
Dependencies are inferred from the claim text.