Patent attributes
A configurable cart system having an accessory receiving base frame with a bottom, an external perimeter, an internal perimeter and a top where there is a mounting portion between the external perimeter and the internal perimeter, and the frame is designed to be used with at least one accessory dimensioned to fit into the frame, and where the accessory has an accessory bottom, a resting portion that matingly rests on the mounting portion of the accessory receiving base frame and at least two protrusions projecting from at least two different points on the accessory bottom where the protrusions are positioned on the accessory bottom so that the protrusions abut the internal perimeter of the receiving frame to prevent the accessory from horizontal movement.
