G - Physics – 08 – C
Patent
G - Physics
08
C
340/135
G08C 21/00 (2006.01)
Patent
CA 1196989
Abstract An improved hitching guidance device to facilitate the coupling of towing and towed units is herein pre- sented. Such a device is advantageous when the towed unit, with its hitch ball receiver cup, cannot be readily visualized by the operator of the backing unit. The apparatus mounts on the hitch ball and uses elec- trical contacts, acting as switches, to sense the spatial orientation of a fine braided steel wire. This wire is wound under spring tension on an automatic reeling device and is stretched between the hitch ball and the hitch receiver cup where the wire is in turn fixed to the hitch cup in an exact and known location on the cup by a unique universal adapter clamp. Information relative to the position of the wire, and therefore relative to the position of the ball and receiver cup and their relationship to each other, is transmitted to the drivers area by a 6 conductor wire. This in- formation is displayed on a guiding light console, visible to the towing vehicle operator. By appro- priate response to the information displayed visually and audibly from this guiding light console, an operator can, with utmost precision, position the hitch ball of virtually any towing vehicle under the receiver cup of the towed unit, even under the most vexing of circum- stances.
429472
Gowling Lafleur Henderson Llp
Pitcher Laurence S.
LandOfFree
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