Abstract: A motorized pulley is disclosed herein. One embodiment of the pulley comprises a tube having a first end and a second end. A first end cap is located adjacent the first end of the tube, wherein the first end cap comprises at least one air hole. A motor is located within the tube, the motor comprises a rotor and a stator, wherein the rotor is connected to the tube. A first fan is operatively connected to the tube. A first air path extends from the at least one air hole to the first fan and exits at least one air hole, wherein the first air path contacts the motor.

Abstract: A shelving apparatus for providing shelving which is retractable and easily reachable. The shelving apparatus includes a housing has a back wall, a first lateral side wall, a second lateral side wall, a bottom wall and a top wall. A front side of the housing has an opening therein defined by a front edge of the top, bottom and lateral side walls. At least one railing is positioned in the housing and is attached to the top wall. The railing extends from the back wall to the front edge of the top wall. A shelving assembly is extendably positioned on the railing such that the shelving assembly may be selectively positioned between a point inside of the housing and a point outside of the housing.