Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2006-04-04
2006-04-04
Morris, Lesley D. (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C493S428000, C493S298000, C493S298000
Reexamination Certificate
active
07021646
ABSTRACT:
An adjustable receiver hitch (20) for receiving a hitch ball mounted, trailer ball mount that is attached onto the frame of a motor vehicle for pulling a trailer. A pair of frame mounting brackets (22) are configured for attachment onto the frame of the motor vehicle, with each mounting bracket further having flanges (24), lightening holes (28), and a plurality of bracket thru-holes (26). A pair of hitch mounting arms (30) are connected to the frame mounting brackets and interface with a selected set of the holes (28) for height adjustment of the receiver hitch relative to the motor vehicle frame. A box hitch (44) is adjustably attached onto each mounting arm by inserting the arms into a tubular sleeve (50) or (52) which is a connecting element of the box hitch. A receiver box (48) is connected on the lower surface of the tubular sleeve for receiving the hitch ball mounted on the trailer ball mount.
REFERENCES:
patent: 2408531 (1946-10-01), Riemann et al.
patent: 3768837 (1973-10-01), Reese
patent: 5149122 (1992-09-01), Helber
patent: 5507515 (1996-04-01), Schellenberg et al.
patent: 5511813 (1996-04-01), Kravitz
patent: 5620198 (1997-04-01), Borchers
patent: 2004/0061310 (2004-04-01), McCoy et al.
Cheng John C.
Huang Zhenqiu
Arce-Diaz Marlon
Cota Albert O.
Morris Lesley D.
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