Isomorphic trailer hitch alignment guide device

Details Isomorphic trailer hitch alignment guide device Isomorphic trailer hitch alignment guide device

1991-12-26

1992-05-19

Haroian, Harry N.

Geometrical instruments

Straight-line light ray type

Structurally installed

280477, G02B 506

Patent

active

051135884

ABSTRACT:
A trailer hitch alignment guide device, for a ball and socket hitch, wherein the guides can be mounted either to the rear or side, wherein the sighting elements on the guides are visually emblematic of the coupling elements, where one sighting element is isomorphic of the hitch ball and the other sighting element is isomorphic of the socket, and where the sighting elements are scribed with lines which visually amplify deviations from alignment.

REFERENCES:
patent: 2984011 (1961-05-01), Hamilton
patent: 3015162 (1962-01-01), Bohnet
patent: 3720100 (1973-03-01), Schlegel
patent: 3765703 (1973-10-01), Voelkierding
patent: 3818599 (1974-06-01), Tague
patent: 3889384 (1975-06-01), White
patent: 4054302 (1977-10-01), Campbell
patent: 4169610 (1979-10-01), Pauffer
patent: 4285138 (1981-08-01), Berry

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