Guidance device

Details Guidance device Guidance device

1974-11-15

1976-02-10

Wood, Jr., M. Henson

Communications: electrical

Systems

Call station

280477, 340 52R, 340282, B62D 5300

Patent

active

039381226

ABSTRACT:
Disclosed is a guidance device for the alignment of two separate objects at least one of which is movable with respect to the other such as, towing and towed vehicles, boats with a dock or trucks with loading docks. The device includes a flexible line connectible between desired points on the objects, such as the trailer hitch and the drawbar of the trailer, and means mounted on one of the objects for drawing in the line as the first object moves toward the second. A sensing means detects changes in the alignment of the two objects and an indicating means signals the changes to the operator whereby alignment may be determined and maintained. Additional indicating means may be provided to enable the operator to check the operability of various electrical components on board the vehicles.

REFERENCES:
patent: 3646438 (1972-02-01), Staff
patent: 3731274 (1973-05-01), Green
patent: 3734539 (1973-05-01), Salmi

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