Patent ID: 8469249

Claim:
A backpack kit comprising: a cart, the cart including a top portion and a bottom support structure, the bottom support structure having a first wheel assembly, a second wheel assembly, a first support assembly and a second support assembly, the top portion having a horizontal bar attached between two upright arms, the two upright arms extending from the horizontal bar in an upwards and downwards direction, in the upwards direction the two upright arms are attached to a handle and in the downward direction the two upright arms are attached to the bottom support structure; and a backpack including: an upper cart attachment, the upper cart attachment includes a) at least one upper flap coupled to an upper portion of the backpack, b) a first hook and loop strip being attached to the at least one upper flap and c) a second hook and loop strip being attached to the backpack at a point below the at least one upper flap, wherein, when the upper cart attachment is in a closed position, the first hook and loop strip aligns and engages with the second hook and loop strip so that the at least one upper flap is laid over the horizontal bar and secures the horizontal bar to the backpack; and a lower cart attachment, the lower cart attachment includes a first lower flap being coupled to a bottom of the backpack, a second lower flap being coupled to a bottom of the backpack, the first lower flap is attached to the backpack on a first side of the bottom support structure, the second lower flap is attached to the backpack on a second side of the bottom support structure, the first side being opposite the second side, the first lower flap completely fills the space between the first wheel structure and the first support structure on the first side of the bottom support structure, the second lower flap completely fills the space between the second wheel structure and the second support structure on the second side of the bottom support structure, the first lower flap having a third hook and loop strip and the second lower flap having a fourth hook and loop strip, wherein, when the lower cart attachment is in a closed position, the third hook and loop strip aligns and engages with the fourth hook and loop strip so that the first lower flap and the second flap lower flap surround the bottom support structure of the cart with the first lower flap and the second flap being tightly laid between the first wheel assembly, the second wheel assembly, the first support assembly and the second support assembly of the bottom support structure thereby securing the backpack to the bottom support structure of the cart; wherein the upper flap and lower flaps are the only attachment between the backpack and the cart.