Three point tractor hitch boom attachment
OwnerRalph M. Roatcapinventor
Life of this patent
Estimating the term…
Abstract
A tractor attachment comprised of a lifting boom hinged to a base carried by an A-frame or the like as part of the three point hitch system that is moveable vertically and adjustable as to height. The boom swings upward by means of an extensible actuator operable between the base and a lever that positions an adapter on which the boom is replaceable to receive a drop line or the like at its terminal end.
Claims10
An attachment for the vertically moveable three point hitch of tractors and the like, and including;
- a base comprised of a hinge member secured to the moveable three points of said hitch and with a hinge pin on a transverse horizontal axis and a header spaced forwardly from the hinge member and said hinge pin by means of struts converging from said three points and providing an anchor, a boom adapter rotatable on the hinge pin of the base and comprised of lever means to move about said axis, an actuator means operable between the said anchor of the base and said lever means to move the boom adapter, and a lift boom projecting from the adapter to move vertically both by means of said actuator means and by means of said moveable three point hitch.
In combination with a vertically moveable three point hitch for tractors wherein actuator means positions three vertically adjustable trailing links carrying an A-frame, an attachment therefor including, a base comprised of a hinge member secured to the A-frame and with a hinge pin on a transverse horizontal axis and a header spaced forwardly from the hinge member and said hinge pin by means of struts converging from said three points and providing an anchor, a boom adapter rotatable on the hinge pin of the base and comprised of lever means to move about said axis, an actuator means operable between the said anchor of the base and said lever means to move the boom adapter, and a lift boom projecting from the adapter to move vertically both by means of said actuator means and by means of said moveable three point hitch.
Dependencies are inferred from the claim text.