Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1990-07-03
1991-08-20
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Alignment device
33645, 33264, 116 28R, G01C 1500
Patent
active
050403028
ABSTRACT:
A hitch alignment device for aligning a hitch coupling of a wheeled towing vehicle with a mating hitch coupling of a towed vehicle, comprising an elongated base member and a cross member projecting sidewardly therefrom, the base and cross member having ground engaging surfaces and each having an upwardly projecting side portion, which side portions of the base and cross member adjoin one another, such side portion of the base member including a substantially planar lateral guide surface extending along the base member a distance sufficient to extend along at least a portion of a wheel assembly of the towing vehicle when the wheel assembly is substantially laterally positioned thereto and in proximate engagement therewith, such side portion of the cross member including a lateral stop surface extending sidewardly from the adjoining side portion of the base member a distance sufficient to engage at least a portion of the width of the wheel assembly of the towing vehicle when the wheel assembly is in engagement with the lateral stop surface and substantially laterally positioned adjacent to and in proximate engagement with the lateral guide surface of the base member.
REFERENCES:
patent: 2835978 (1958-05-01), Krisel
patent: 3209662 (1965-10-01), Morton
patent: 4627634 (1986-12-01), Coleman
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