Coupling device for attaching towable implements to a tractor

Details Coupling device for attaching towable implements to a tractor Coupling device for attaching towable implements to a tractor

1992-06-19

1993-11-23

Focarino, Margaret A.

Land vehicles

Wheeled

Articulated vehicle

2804793, 280508, B60D 136

Patent

active

052637344

ABSTRACT:
A coupling device for a tractor has a frame (4) which is mounted on the rear underside (3) of the tractor (1). A drawbar (14), with a coupling member (15), is guided in the frame (4). The drawbar (14) is moved by a slide (18) and can be swung sideways about a vertical axis. Centering pieces (34) and stop blocks with centering faces (35) and stop faces (38) engage one another to laterally align and fix the drawbar (14). In a lower position the drawbar facilitates lateral swivelling movement about the connecting pin (22). In an upper towing position the drawbar (14) is laterally fixed by the centering pieces (34) and the stop blocks (38). This results in improved control of the coupling members associated with the to be towed implement through lateral alignment of the drawbar and its automatic transfer into its centered position.

REFERENCES:
patent: 3391948 (1968-07-01), McCown
patent: 3521908 (1970-07-01), Carter
patent: 4360216 (1982-11-01), Wiemers
patent: 4482166 (1984-11-01), Van Antwerp
patent: 4575112 (1986-03-01), Tremblay

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