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| Number | Title | Issue Date |
| 7465143 | Load control system for a roll off trailer A load control system for a roll off trailer for effectively controlling the velocity of a load during unloading. The load control system for a roll off trailer includes a shaft, an actuator connected to the shaft, a plurality of levers pivotally attached to a roll ... | 12/16/2008 |
| 7427075 | Steering device for pallet truck A steering device for decreasing a turning radius of a pallet jack includes a ground engaging member connected to a support member of the pallet jack between a main wheel and an extensible wheel. The load supporting member of the pallet jack is positionable between ... | 09/23/2008 |
| 7320572 | Cargo unloading apparatus and method An apparatus and method to facilitate unloading material from the cargo area (e.g. bed) of a vehicle. The apparatus may include a flexible member placed to line the bottom of the cargo area before a load is placed therein. After moving the vehicle to a desired locat... | 01/22/2008 |
| 7008164 | Automated guided vehicle An automated guided vehicle has plural conveyors for transferring materials to be transferred mounted on a self-propelling dolly and juxtaposed in a transverse direction. Each of the conveyors includes plural part conveyors whose operation can be controlled individu... | 03/07/2006 |
| 6955387 | Floor panel A floor panel for a vehicle compartment includes a first surface and a second surface opposite the first surface. The first surface and the second surface have different material properties. One of the surfaces is provided with a plurality of rollers disposed to pro... | 10/18/2005 |
| 5478190 | Roll-off trailer with cargo controlling mechanism A roll-off trailer or truck bed for hauling cargo includes a cargo controlling mechanism that allows for the controllable removal of the cargo. The roll-off trailer characteristically includes a plurality of rotatable rollers disposed transverse to the lo... | 12/26/1995 |
| 4986559 | Trailer wheel pivoting system A trailer wheel pivoting system having provision for pivoting of a wheel assembly with respect to an attached trailer frame, accomplished by providing a wheel frame, an axle attached to the wheel frame, road tires attached to the axle, and an apertured cr... | 01/22/1991 |
| 4363590 | Power operated boat loading/unloading marine trailer A boat is supported on a wheeled trailer frame by idler rollers and by powered rollers, of a self-adjusting type, located adjacent the rear end of the trailer frame from which the boat is loaded or unloaded. The powered rollers are driven by drive motors ... | 12/14/1982 |
| 4273501 | Roll handling device An apparatus for safely transporting a roll of paper or the like and including the capability of lifting it to a stand or removing it therefrom. The apparatus includes roll supporting ramps and a pair of powered, articulated arms and is supported by air b... | 06/16/1981 |
| 4039163 | Aircraft cargo ramp A cargo ramp stowable within the cargo compartment of an aircraft and deployable between the sill region of the aircraft cargo opening and the surface of the ground is disclosed. The cargo ramp, which is arranged for ease of deployment and stowage, includ... | 08/02/1977 |
| 4020959 | Cart construction A cart construction having improved structure for selectively retaining removable transport containers thereon including brake structure for selectively preventing movement of one or more roller elements supporting the transport container on the cart. The... | 05/03/1977 |
