Patent ID: 8602426

Claim:
A small cart, having a cart body and an inverted U-shaped handle bar, said cart body having wheels attached to its bottom, wherein said cart body has an open space, the rear of the cart body is open, said inverted U-shaped handle bar is located on the back of the cart body, the lower portion of the inverted U-shaped handle bar is connected to the lower portion of the both sides of the rear of the cart body with pivots, the upper portion of the both sides of the rear of the cart body have a first set of pins, said first set of pins are in the pin holes in the middle of the inverted U-shaped handle bar, the top of the cart body has a top loading plate, the angle between the flat surface of the top loading plate and horizontal plane is greater than zero degree, the peripheries of top loading plate have surrounding boards, the front board of the surrounding boards of the top loading plate is connected to the top loading plate with a hinge on the bottom, both sides of the front board are connected to the neighboring boards with a second set of pins, a bottom tray is located in the open space in the cart body, said bottom tray is on the bottom portion of the open space, the bottom of the bottom tray is attached to rolling wheels, the rear of the bottom tray has a second handle bar, the lower portions of the both sides of the rear of the cart body have a third set of pins, said third set of pins extend to the back of the bottom tray.