Patent ID: 7617956

Claim:
A backpack combination comprising, (a) a storage compartment having a front wall, a rear wall, a bottom wall, first and second side walls, and a top wall; (b) shoulder straps affixed to said rear wall at upper and lower portions thereof; (c) a first and second zipper means extending along the periphery of said rear wall from lower to upper portions thereof; (d) a padded back panel congruent with said rear wail and having third and fourth zipper means along peripheral portions thereof adapted for selective connection to said first and second zipper means; (e) a compact trolley assembly that is selectively attachable and detachable from said storage compartment comprising: a rigid planar support panel congruent with said rear wall; a rectangular frame affixed to said rigid planar support panel, said rectangular frame having upper and lower horizontal bracket members secured to said planar support panel; said upper horizontal bracket members having vertical tubes to which a U-shaped projectible handle is disposed; means to frictionally lock said projectible handle at its fully extended position; said lower horizontal bracket members having downward depending axle supports, said downward depending axle supports supporting axles aid wheels; and said planar support panel having fifth and sixth zipper means along peripheral portions thereof adapted for selective connection to said first and second zipper means.