Patent ID: 7780389

Claim:
A door installation system, comprising: a base having a distal end and an inner end; a vertical member extending upwardly from said inner end of said base; a carriage supported upon said base, wherein said carriage includes a lip member for extending beneath a door to be installed or removed; a guide structure attached to an upper portion of said vertical member, wherein said guide structure is for guiding an upper portion of the door positioned upon said carriage; wherein said base includes a curved upper surface for pivoting said carriage upon; wherein said carriage is adjustable to adjust a roll angle and a pitch angle of the door positioned upon said carriage; wherein said vertical member is pivotally connected to said base; and a brace member having a first end and a second end, wherein said first end is pivotally connected to said base and wherein said second end is connected to said vertical member; wherein said base is positionable in a first offset position and a second offset position with respect to said vertical member which are offset with respect to a longitudinal axis of said vertical member; wherein said guide structure is comprised of a first guide member and a second guide member forming a receiver slot between thereof, wherein said first guide member and said second guide member extend substantially parallel with respect to one another and with respect to said base; wherein said first guide member and said second guide member are pivotally attached to said vertical member.