| 摘要 |
<p>A device to facilitate the positioning of a towing vehicle with respect to a towed vehicle whereby hitch components on the vehicles are properly positioned for articulately connecting the vehicles. The device includes a flexible tension member having one and connected with a spring wound reel on one of the vehicles and the other end connected with the other of the vehicles. A sensing device is associated with the tension member and the vehicles to indicate to the operator of the towing vehicle the manner in which the towing vehicle should be maneuvered to properly position the hitch components. The sensing means is actuated in response to angular and linear disposition of the flexible tension member which actuate a signal generating means which produces distinguishable audible and visual signals.</p> |
