Patent ID: 6394470
Filing Date: 2002-05-28
Classification: B62B

Abstract:
A stock cart comprising:a dolly frame formed into a generally letter-Z configuration or a generally reversed letter-Z configuration by a support bar that is disposed at a rearward end portion and that has at two ends thereof tubular cylinder portions, a member that is disposed at a forward end portion and is disposed at a predetermined interval apart from the support bar and parallel to the support bar, and a connector member that integrally interconnects an end portion of the member of the forward end portion and an end portion of the support bar of the rearward end portion that are positioned on a diagonal line; forward end portion-side free casters attached to a bottom surface of the member of the forward end portion of the dolly frame; a free caster portion including rearward end portion-side free casters, a free caster support plate that secures and interconnects support brackets of the rearward end portion-side free casters, and a pair of piston portions that are secured above the free casters and that are inserted in the tubular cylinder portions so that the piston portions are slidable in upward and downward directions; a stationary caster attached to a bottom surface of a middle portion of the connector member; a forward end-side side face frame secured at two ends thereof to an end portion of the member of the forward end portion; a rearward end-side side face frame two end portions of which are secured to or detachably disposed on outer sides of the cylinder portions; and a dolly plate having a rectangular dolly plate body, and a pivotal contact portion that is pivotably supported by the support bar of the rearward end portion, the stock cart being characterized in that the pivotal contact portion of the dolly plate has a support bar bearing groove, and a plate stopper end portion having a quadrangular section, and a configuration of the dolly plate stopper end portion is formed so that when the dolly plate is placed on the dolly frame, a distance between the support bar and a rearward end surface of the dolly plate is greater than a distance between the support bar and the free caster support plate.