Patent ID: 8162290

Claim:
A hitch mounted jack adapter device comprising, in combination: a rectangular hitch insert slideably received by an existing receiver hitch; an orifice disposed horizontally through the hitch insert in removable receipt of an existing hitch pin; a jack receiver in removable receipt of an existing hi-lift jack I-beam, the jack receiver comprising: a riser attached perpendicularly to an end of the hitch insert opposite that received by the receiver hitch; a rearwardly disposed 90-degree bend extended from the riser; a horizontal member extended rearwardly from the bend; a back plate disposed perpendicularly downward from and rearwardly on the horizontal member, the back plate having a height positioning the back plate at a level slightly downward from the bend; a jack notch disposed within the horizontal member; a pair of spaced apart riser bolts with nuts connecting the riser with the downward back plate height, the spaced apart riser bolts with nuts disposed slightly outward from the jack notch; a rotating first roller disposed on each riser bolt with nut, each first roller disposed between the riser and the back plate; a pair of jack notch bolts with nuts comprising a first jack notch bolt with nut disposed within the bend from a first side of the bend to a second side of the bend, a second jack notch bolt with nut disposed rearwardly through the horizontal member, proximal to the back plate; a rotating second roller disposed around each of the pair of jack notch bolts; an angular gusset disposed between the hitch insert and the riser, the gusset about upwardly even with the level of a bottom of the back plate height; whereby the jack notch and the rollers are slideably and rollably in receipt of the hi-lift jack I-beam.