Patent ID: 8413738
Filing Date: 2013-04-09
Classification: A01B,F15B

Abstract:
1. An agricultural implement comprising a main frame and a subframe, wherein the subframe is movably connected to the main frame, wherein the subframe is movable with respect to the main frame between a first mode and a second mode, wherein a fluid system is provided to move the subframe by supplying and discharging a fluid, comprising: a conduit assembly to convey the fluid; a pump to supply fluid to the conduit assembly; a reservoir to receive fluid to be discharged from the conduit assembly; an operable multiple position valve with an inlet connected to the pump and in flow connection therewith, an outlet connected to the reservoir and in flow connection therewith and a flow-through port connected to the conduit assembly and in flow connection therewith, wherein the multiple position valve has at least three positions to switch between: an accumulator connected to the conduit assembly and in flow connection therewith to accumulate fluid; a cylinder connected to the conduit assembly and in flow connection therewith to move the subframe; a valve assembly connected to and in flow connection with the flow-through port of the multiple position valve and the cylinder and the accumulator, comprising: