Visual hitch alignment apparatus

Details Visual hitch alignment apparatus Visual hitch alignment apparatus

1991-12-11

1993-07-06

McGraw, Vincent P.

Geometrical instruments

Straight-line light ray type

Structurally installed

356399, 280477, G01B 1127, B60D 136

Patent

active

052242706

ABSTRACT:
A visual hitching alignment apparatus (10) to facilitate the coupling engagement between a towed vehicle (100) and a towing vehicle (200); wherein, the apparatus (10) comprises a sight unit (12) having an interior opening (44) and a pair of cross-hair elements (43) that are intended to intersect a target unit (11) attached to the towed vehicle (100), at a point when the target unit (11) fills the interior opening (44) when the two vehicles (100) (200) are aligned properly for the purposes of being hitched together.

REFERENCES:
patent: 2984011 (1961-05-01), Hamilton
patent: 4257706 (1981-03-01), Smith
patent: 4687220 (1987-08-01), Danielson
patent: 4813758 (1989-03-01), Sanders
patent: 4890918 (1990-01-01), Monford
patent: 4941263 (1990-07-01), Hirshberg
patent: 5113588 (1992-05-01), Walston

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