Abstract: A slab cart comprising: a frame that includes wheels mounted to an underside of the frame; a primary upright member emanating upward from each end of the frame; two or more secondary upright members emanating upward from each end of the frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation, a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the frame.

Abstract: A slab cart comprising: a frame that includes wheels mounted to an underside of the frame; a primary upright member emanating upward from each end of the frame; two or more secondary upright members emanating upward from each end of the frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation, a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the frame.

Abstract: A crane system for loading and unloading stone slabs comprising: a front support structure including: a pair of vertical legs each secured at a bottom end to the bed or wall of a vehicle; a front horizontal cross beam secured to a top end of the vertical legs; a back support structure including: a pair of vertical legs each secured at a bottom end to the bed or wall of a vehicle; a back horizontal cross beam secured to a top end of the vertical legs; a pair of bracing members secured to the vertical legs and to each other to aid in the stabilization of the system; a horizontal lift beam slideably secured to the front and back horizontal cross beams; a trolley assembly slidably secured to the horizontal lift beam; and a hoist mechanism secured to the trolley assembly.

Abstract: A slab cart comprising: a castor frame including: four castors rotatably mounted to an underside of the castor frame; a primary upright member emanating upward from each end of the castor frame; two or more secondary upright members emanating upward from each end of the castor frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation; a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the castor frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the castor frame.

Abstract: A slab cart comprising: a castor frame including: four castors rotatably mounted to an underside of the castor frame; a primary upright member emanating upward from each end of the castor frame; two or more secondary upright members emanating upward from each end of the castor frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation; a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the castor frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the castor frame.

Abstract: A slab cart comprising: a castor frame including: four castors rotatably mounted to an underside of the castor frame; a primary upright member emanating upward from each end of the castor frame; two or more secondary upright members emanating upward from each end of the castor frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation; a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the castor frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the castor frame.

Abstract: A crane system for loading and unloading stone slabs comprising: a front support structure including: a pair of vertical legs each secured at a bottom end to the bed or wall of a vehicle; a front horizontal cross beam secured to a top end of the vertical legs; a back support structure including: a pair of vertical legs each secured at a bottom end to the bed or wall of a vehicle; a back horizontal cross beam secured to a top end of the vertical legs; a pair of bracing members secured to the vertical legs and to each other to aid in the stabilization of the system; a horizontal lift beam slideably secured to the front and back horizontal cross beams; a trolley assembly slidably secured to the horizontal lift beam; and a hoist mechanism secured to the trolley assembly.

Abstract: A slab cart comprising: a castor frame including: four castors rotatably mounted to an underside of the castor frame; a primary upright member emanating upward from each end of the castor frame; two or more secondary upright members emanating upward from each end of the castor frame; a pivoting member engaged to the primary upright member and the secondary upright members; a platform frame engaged to the pivoting member and the primary and secondary upright members wherein the platform frame may pivot from a substantially vertical orientation to a substantially horizontal orientation; a support member secured to the platform frame which is used to aid in the retention of slabs; and a lift mechanism operationally associated with the castor frame, the upright members and the platform frame wherein the lift mechanism may raise or lower the platform frame relative to the castor frame.