Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1978-06-19
1980-04-22
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340 52R, G08B 2100, B60Q 100
Patent
active
041997565
ABSTRACT:
Apparatus for guiding the driver of a towing vehicle in positioning a first hitch element on the towing vehicle adjacent a complementary second hitch element on a trailer so that they can be readily engaged. The apparatus includes an arm which is adapted to be releasably mounted to the second hitch element. The arm has a first portion extending transversely from the second hitch element to beyond the side of the towing vehicle, and a second portion extending forwardly closely adjacent the side of the towing vehicle to indicate to the driver when the towing vehicle and trailer are transversely aligned. The guide apparatus further includes sensing means which are mounted proximate the second hitch element and are adapted to be actuated by the first hitch element as the towing vehicle and trailer are moved into positions in alignment with one another so that their hitch elements are adjacent. Indicator means, which may include an electric light or buzzer, are activated in response to the actuation of the sensing means to indicate to the driver that the hitch elements are adjacent and ready for engagement.
REFERENCES:
patent: 3060407 (1962-10-01), Beiswenger
patent: 3418628 (1968-12-01), Fenner
patent: 3774149 (1973-11-01), Bennett
patent: 3901536 (1975-08-01), Black
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