Tow-hitch apparatus

Land vehicles – Wheeled – Articulated vehicle

Reexamination Certificate

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Details

C280S416100

Reexamination Certificate

active

07044494

ABSTRACT:
A tow hitch comprised of an elongated shank of rectangular cross-section. The shank has four side surfaces. A first tow ball of a first dimension is fixedly mounted to a first of the side surfaces. A second tow ball of a second dimension is fixedly mounted to a second of the side surfaces. A third tow ball of a third dimension is fixedly mounted to a third of the side surfaces. The first and the third tow balls are on opposite side surfaces of the shank. A jaw is mounted to the shank for pivotal movement about an axis through the shank. The jaw has a ball-engaging surface, and is movable between a first position wherein the ball-engaging surface engages one of the tow balls and a second position wherein the ball-engaging surface is spaced from one of the tow balls.

REFERENCES:
patent: 3730558 (1973-05-01), Litzenberger
patent: 3759548 (1973-09-01), Kothmann
patent: 3779653 (1973-12-01), Charlton
patent: 3922006 (1975-11-01), Borges
patent: 4208065 (1980-06-01), Hansen
patent: 4232877 (1980-11-01), Milton
patent: 4568098 (1986-02-01), Landry, Jr.
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patent: 5725229 (1998-03-01), McWethy
patent: 5857693 (1999-01-01), Clark, Jr.
patent: 5890727 (1999-04-01), May
patent: 5908201 (1999-06-01), Van Vleet
patent: 6193258 (2001-02-01), Kennedy
patent: 6789815 (2004-09-01), Moss et al.
patent: 2003/0006581 (2003-01-01), Moss et al.
patent: 2004/0080140 (2004-04-01), Hart
patent: 2570991 (1986-04-01), None

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