Backup system to position vehicle relative to stationary trailer

Details Backup system to position vehicle relative to stationary trailer Backup system to position vehicle relative to stationary trailer

1996-11-26

1998-03-17

Swarthout, Brent A.

Communications: electrical

Land vehicle alarms or indicators

For trailer

33264, 280477, 340435, G08B 2100

Patent

active

057291942

ABSTRACT:
Various configurations of components to provide for either informing an operator of a vehicle of relative positions of the vehicle and a stationary trailer during a backing procedure or informing the operator of an arrival at a hitchable position during the backing procedure. Three general embodiments are disclosed which include use of a magnetically activated switch, use of an autofocus assembly and use of a light reflective arrangement. Several possible combinations of the separate embodiments are explained which enhance the function of the assemblies to ensure proper positioning of the vehicle relative to the stationary trailer. Explanations of each embodiment are provided along with numerous variations to each. Each of the embodiments rely upon a component, or group of components, located on the vehicle which require a power source to operate. When it is a requirement that a component be placed upon the stationary trailer, that component does not require a source of power. An explanation of various modes of informing the operator of the feedback from the deployed components are presented. These include both audio feedback as well as visual feedback.

REFERENCES:
patent: 3924257 (1975-12-01), Roberts
patent: 4593264 (1986-06-01), Engle
patent: 4852901 (1989-08-01), Beasley et al.
patent: 4938495 (1990-07-01), Beasley et al.
patent: 4988116 (1991-01-01), Evertsen
patent: 5108123 (1992-04-01), Rubenzik
patent: 5191328 (1993-03-01), Nelson
patent: 5530421 (1996-06-01), Marshall et al.

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