Reversible plow
OwnerDanny H. Harrellinventor
Life of this patent
Estimating the term…
Abstract
A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic piston such that the plowed ground can be directed in a desired direction. The hitch includes a hydraulic piston and cylinder assembly for shifting the plow frame and tool bar about a central longitudinal axis with respect to the tractor, thereby maintaining the plow in a horizontal position even though one rear wheel of the tractor is in the plowed furrow.
Claims9
An in-furrow reversible plow for being towed by a tractor, comprising:
- (a) a tow bar;
- (b) a pair of opposed side hitches secured on opposite end portions of said tow bar for being removably secured to the side hitches of said tractor;
- (c) a central hitch secured to the central portion of said tow bar for being removably secured to a central hitch of said tractor, whereby said tow bar is transversely disposed with respect to said tractor;
- (d) a main frame pivotally secured to the central portion of said tow bar along a central longitudinal axis, said main frame extending rearwardly of said tow bar;
- (e) a cylinder and piston rod connected between said tow bar and said frame for tilting said frame about said central axis to a tilted position in which the frame is inclined to one side with respect to said tow bar when said piston is extended and to a tilted position in which said frame is tilted about said central axis to a position inclined toward the other side with respect to said tow bar when said piston is retracted;
- (f) a tool bar pivotally carried by said frame for pivoting about an upright axis rearwardly of said tow bar;
- (g) means for shifting said tool bar from an angular position with respect to said central longitudinal axis whereby the forward portion of said tool bar is on one side of said frame to an angular position with respect to said central axis where the forward portion of said tool bar is on the other side of said frame;
- and
- (h) bidirectional moldboards suspended below said tool bar, each moldboard extending transversely outwardly on both sides of said tool bar;
- the connection between said frame and said tow bar forming essentially the sole support for the front portion of said frame when said frame is pivoting from one position to the other.
Dependencies are inferred from the claim text.