Fluid supply assembly for working vehicles
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United States of America Patent
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Feb 24, 1998
Grant Date -
N/A
app pub date -
Jan 30, 1997
filing date -
Apr 17, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a working vehicle including a first control valve assembly (15) for controlling the operation of a hydraulic lift cylinder (14), a cylinder case (13) of the lift cylinder includes, at one of its side surfaces, a vertical seating surface (52) on which a second control valve assembly (20) for controlling the operation of plural another hydraulic actuators (18, 19) is mounted. The second valve assembly includes plural control valve spools (31, 32) which extend in the valve case axially of the vehicle at levels different from one another. Of ports in the valve case, fluid inlet port (26), fluid outlet port (27) for conducting fluid towards the first valve assembly which is mounted on the cylinder case preferably at a lower surface thereof, and fluid drain port (30) open at the seating surface for connecting these ports directly to corresponding fluid passages in the cylinder case, while fluid output ports (28A, 28B, 29A, 29B) for conducting fluid towards the actuators open at an outer side surface of the valve case.
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