Dump truck apparatus with removable hopper
Patent 6557944 Issued on May 6, 2003. Estimated Expiration Date: 
October 31, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 31, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2870923 3180511 3559894 3693890 Material spreader for mounting on a vehicle Vehicular spreader for icy roads and the like Spreader and dump truck construction Combined dump truck and spreader apparatus Combined dump truck and spreader apparatus Spreader assembly InventorAssigneeApplicationNo. 984838 filed on 10/31/2001US Classes:298/24, HOPPER TYPE239/657, Container tilted for discharge (e.g., dump truck, etc.)239/672, Including driven conveyor or follower feeding material horizontally towards scatterer298/27, Bottom opening414/498, Separable load rack414/528EndlessExaminersPrimary: Dayoan, D. GlennAssistant: Chenevert, Paul International ClassB60P 001/36AbstractAn apparatus capable of adapting a vehicle for use in either of a dump truck mode or a spreader truck mode includes a dump body unit and a removable hopper. The dump body unit has a main frame pivotally interconnected with a dump body. The main frame attaches to the vehicle and supports the dump body. The dump body has a substantially flat bed with a lengthwise channel containing an embedded conveyor. In dump truck mode, the conveyor is covered and materials may be loaded into and dumped from the dump body. In spreader truck mode, the conveyor is uncovered and the hopper is attached to the dump body so that an aperture at the hopper's base is aligned over the conveyor. Gravity-fed materials may then be conveyed along the body to an attached spreader for dispersion.Other References
Field of SearchConveyor section(s) adjustable for nonoperative purpose (e.g., storage, transport, etc.)Apron belt type of discharge-receiving, power-driven section Screw type of discharge-receiving, power-driven section Having adjustable bin or discharge means Apron type power-driven discharge means CONTAINER FOR NON-FLUID MATERIAL, AND SCATTERING MEANS Container tilted for discharge (e.g., dump truck, etc.) Drive from vehicle motor power take off Including driven conveyor or follower feeding material horizontally towards scatterer TILTING Fluid-pressure operators HOPPER TYPE Pivoted sections Tilting bottom Bottom opening Removable bottom boards Separable load rack Endless | |
