Adaptor for attachment of a trailer to a three point hitch

Details Adaptor for attachment of a trailer to a three point hitch Adaptor for attachment of a trailer to a three point hitch

1996-04-29

1998-03-17

Avila, Stephen

Land vehicles

Wheeled

Articulated vehicle

B60D 126

Patent

active

057278032

ABSTRACT:
An adaptor for a three point hitch of a tractor allows the adaptor to attach to the hitch bar of a trailer without the necessity of vertical or horizontal adjustment of the position of the tractor relative to the trailer. The adaptor comprises a vertical post having an upper end attached to a centre arm of the three point hitch. A pair of side arms of the adaptor attached to the lower arms of the three point hitch. A J-shaped hook member has a longer leg projecting through a slot in the post and a shorter leg which abuts against a rear face of the post in the hitching position. The hook engages around a loop attached to the trailer. A cylinder coupled to a forward end of the longer leg can actuate pivotal movement of the hook about a pin attached across the post to move the hook from the hitching position to a release position.

REFERENCES:
patent: 4431207 (1984-02-01), Lagenfeld et al.
patent: 4773666 (1988-09-01), Koberlein et al.
patent: 4850789 (1989-07-01), Zimmerman
patent: 5169279 (1992-12-01), Zimmerman
patent: 5211416 (1993-05-01), Blacklaw
patent: 5261687 (1993-11-01), Bergman

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