Detachable axle and hitch assembly

Details Detachable axle and hitch assembly Detachable axle and hitch assembly

2007-07-03

2007-07-03

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S405100, C280S490100

Reexamination Certificate

active

11073191

ABSTRACT:
A hitch and axle assembly including a support structure detachably securable to a vehicle and an axle assembly. A hitch is mountable on the support structure. The axle assembly includes a primary axle member defining a primary axis. Torsion beam assemblies are coupled to opposite lateral sides of the primary axle member. The torsion beam assemblies each include a torsion member that extends substantially coincident with the primary axis and a lever arm that extends substantially transversely from the torsion member. Wheel assemblies are mounted on a distal portion of the lever arms wherein the wheel assemblies each define an axis of rotation that is parallel and spaced from the primary axis. The two wheel axes are substantially coincident. The torsion bar assemblies may be rotationally adjustable relative to the primary axle to thereby provide for the vertical adjustment of the wheel assemblies.

REFERENCES:
patent: 3476405 (1969-11-01), Cunha
patent: 3870340 (1975-03-01), Winter
patent: 3888515 (1975-06-01), Winter
patent: 4390192 (1983-06-01), Wagner
patent: 4423885 (1984-01-01), Camey et al.
patent: 4472100 (1984-09-01), Wagner
patent: 5303946 (1994-04-01), Youmans et al.
patent: 5378010 (1995-01-01), Marino et al.
patent: 5607176 (1997-03-01), Leib et al.
patent: 5727804 (1998-03-01), Metzger
patent: 6224083 (2001-05-01), Tyler
patent: 6273447 (2001-08-01), Berg

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