Implement swivel hitch for use with a quick-coupler

Details Implement swivel hitch for use with a quick-coupler Implement swivel hitch for use with a quick-coupler

1997-06-27

1998-10-06

Carone, Michael J.

Earth working

Mast type hitch

Tool movable relative to mast while earth working

172678, 2804162, 56 157, A01B 59043

Patent

active

058163395

ABSTRACT:
An implement hitch is mounted to the forward end of an implement tongue for swivelling about an upright axis. The hitch includes right- and left-hand arm assemblies which each include separate inner and outer arms mounted for swinging about a horizontal transverse axis defined by a connection pin located in respective rear ends of the arms. A first embodiment of the inner and outer arms includes apertured balls universally mounted in forward ends of the arms, with the balls of each adjacent pair of inner and outer arms having a hitch pin extending therethrough which is adapted for being received in the receptacle of the hook of the corresponding side of a quick-coupler carried by the three-point hitch of a tractor. In a second embodiment, radiused apertures are provided in the forward ends of the inner and outer arms in lieu of the apertured balls. In the first, embodiment, the arms pivot vertically relative to each other and the balls swivel within the arms when the quick-coupler tilts relative to the implement swivel hitch whereby the hitch pins also tilt without generating undue loads on the arms. The operation of the second embodiment is similar to that of the first embodiment, however, in this case the radiused apertures in the arms together with the separate movement of the arms permit the pins to tilt without generating undue loads.

REFERENCES:
patent: 4216975 (1980-08-01), Schafer
patent: 4525987 (1985-07-01), Werner et al.
patent: 4645230 (1987-02-01), Hammons
patent: 4776606 (1988-10-01), Stephenson et al.
patent: 4793430 (1988-12-01), Stephenson et al.
patent: 5522208 (1996-06-01), Wattron
patent: 5706901 (1998-01-01), Walters et al.
patent: 5709274 (1998-01-01), Herbold

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