Patent ID: 7014198

Claim:
A low profile cart for a conveyance system, the cart comprising: a frame having a front, a back, two opposed sides, a top and a bottom, the frame having a longitudinal axis extending from the front to the back; a plurality of wheels attached to the frame and protruding from the frame's bottom, the wheels adapted to permit movement of the cart in a direction generally along the longitudinal axis; at least two crossbars extending between the two sides and being spaced apart from one another; and a plurality of rollers, each having an axis of rotation, the rollers being rotatably mounted at their axes of rotation between the two crossbars at fixed locations with respect to the cart such that their axes of rotation are substantially parallel to the longitudinal axis and such that the tops of the rollers protrude above the top of the frame, the rollers arranged into at least one set of rollers, the set of rollers including a plurality of the rollers parallel to each other and spaced apart from each other to functionally define a substantially level conveying surface in between the opposed sides of the frame for conveying an item across the top of the frame.