초록

The female unit is movably connected at its upper end to the implement upper end by a link device providing both vertical and horizontal pivotal adjustability therebetween, while their lower ends are pivotally connected.

대표청구항 ▼

[ I claim:] [1.] An assembly for coupling a tractor three-point power lift to a triangular three-point attachment of an implement to be towed by a tractor, the assembly comprising:a male unit attachable to the tractor three-point power lift and having a pair of V-shaped channels facing each other an

[ I claim:] [1.] An assembly for coupling a tractor three-point power lift to a triangular three-point attachment of an implement to be towed by a tractor, the assembly comprising:a male unit attachable to the tractor three-point power lift and having a pair of V-shaped channels facing each other and diverging downwardly and outwardly from an apex at the top thereof, and forming an A-shaped frame with a lower half of said male unit frame open for passage therethrough of a power takeoff unit;a female unit having a pair of V-shaped channels facing each other and diverging downwardly and outwardly from an apex at the top of said female unit, said female unit V-shaped channels forming an A-shaped frame with the lower half of said female unit frame open whereby passage therethrough for the power takeoff unit is provided, a plate secured to and disposed between said female unit V-shaped channels within an upper half of said female unit frame, said female unit frame adapted to receive said male unit frame wherein said channels of said respective male and female units engage each other in a nested condition;a latching unit attached to said male unit, said latching unit disposed above the said open lower half of each said male and female unit frames, said latching unit locking said male and female units together upon engagement of said male and female unit frames in said nested condition;means attached to said female unit for attachment to a three-point attachment of the implement, said female unit channels having lower ends, said means including an upper element secured to an upper point of the implement attachment, including further a first plate secured to each lower end and disposed in a plane parallel to said element, and including also a second plate having a pair of non-parallel angularly related flanges, one of each of said flanges attachable to each said first plate and the other of said flanges attachable to one of a lower point of the implement attachment for effecting vertical and longitudinal adjustment between said female unit and the implement; andmeans for releasing said latching unit from its position locking said male and female units together.