Patent ID: 7891691

Claim:
An apparatus for facilitating hitching a trailer to a vehicle, comprising: a body attachable to the trailer proximate a hitch of the trailer, having an elongated main channel defining a first length attachable to the trailer and containing a first end; and a second length disposed at an angle to said first length, extending upwards with respect to a longitudinal axis of the trailer, containing a second end; an elongated calibration channel operative to slideably engage said main channel between a first position wherein a portion of said calibration channel and main channel overlaps, and a second position wherein a relatively greater portion of said calibration channel and main channel overlaps; an elongated contact extension operative to contact the vehicle during use, movable by the vehicle to slide within said body in connection with said first end; at least one visible indicator associated with said body or said calibration channel, viewable by an operator of the vehicle, to indicate a hitching position of the vehicle and trailer that is substantially correctly aligned for hitching; means to communicate a change in position of said contact extension to said at least one visible indicator, whereby said at least one visible indicator will indicate the hitching position when said contact extension is slid a predetermined amount within said body; wherein said calibration channel is operative to set the predetermined amount that said contact extension is slid within said body before the hitching position is indicated.