The present disclosure includes a material spreader mounted to a boom of an excavator for spreading bulk material over an area of interest. The material spreader includes a motor-controlled feeder for metering out the bulk material at a controlled rate. The material spreader further includes a mount
The present disclosure includes a material spreader mounted to a boom of an excavator for spreading bulk material over an area of interest. The material spreader includes a motor-controlled feeder for metering out the bulk material at a controlled rate. The material spreader further includes a mounting bracket configured to mount to a universal mounting portion of the boom.
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1. A material spreader for use with an excavator, the excavator including a boom having a universal mounting portion configured to receive at least one of a plurality of attachments, the material spreader comprising: a hopper configured to hold a bulk material, the hopper including a plurality of si
1. A material spreader for use with an excavator, the excavator including a boom having a universal mounting portion configured to receive at least one of a plurality of attachments, the material spreader comprising: a hopper configured to hold a bulk material, the hopper including a plurality of side walls and a top wall coupled to and extending to each of the plurality of side walls, the plurality of side walls including a first side wall, a second side wall opposite the first side wall, a third side wall, and a fourth side wall opposite the third side wall, the first and second side walls being parallel to each other, the third and fourth side walls being non-parallel, the hopper including a mounting bracket configured to mount to the universal mounting portion of the excavator and a material inlet configured to receive the bulk material from an external supply source, the mounting bracket being coupled to the top wall of the hopper;a feeder mounted to the hopper, the feeder having an inlet for receiving the bulk material from the hopper and an outlet for dispensing the bulk material to a target area during a spreading operation;a motor mounted to the hopper and coupled to the feeder, the motor being configured to drive the feeder based on controls received from a user interface of the excavator; anda supply hose fixedly coupled to the material inlet of the hopper, the supply hose being configured to transfer the bulk material from the external supply source to the material inlet of the hopper during the spreading operation by the material spreader, the material inlet being positioned at a top portion of the first side wall. 2. The material spreader of claim 1, wherein the motor is a hydraulic motor configured to receive power from a hydraulic pump controlled at the user interface of the excavator. 3. The material spreader of claim 1, wherein the feeder is a rotary vane feeder mounted to a bottom portion of the hopper, the feeder including a shaft rotatably driven by the motor. 4. The material spreader of claim 3, wherein a roller chain couples the motor to the shaft of the feeder for driving the shaft of the feeder, the motor is mounted to one of the plurality of side walls of the hopper and is external to the interior region of the hopper, and the roller chain is positioned outside the hopper and extends from the motor to the shaft of the feeder. 5. The material spreader of claim 3, wherein the feeder includes a pipe and a pair of end plates mounted to the ends of the pipe, the shaft being received through an aperture in each of the end plates and extending through an interior portion of the pipe. 6. The material spreader of claim 5, wherein the feeder includes a flange bearing mounted to each end plate, the shaft being rotatably coupled to each flange bearing. 7. The material spreader of claim 5, wherein the inlet and the outlet of the feeder each comprise an elongated opening extending along the length of the pipe, the inlet being positioned opposite of the outlet, the feeder being configured to receive the bulk material from the hopper at the inlet of the pipe and to move the received bulk material to the outlet of the pipe. 8. The material spreader of claim 7, wherein the feeder includes a plurality of vanes mounted to the shaft and configured to rotate with the shaft to move the bulk material from the inlet of the pipe to the outlet of the pipe, the plurality of vanes being circumferentially spaced about the shaft, each vane extending along the length of the shaft. 9. The material spreader of claim 8, wherein each vane includes a rubber blade coupled between a pair of plates, the rubber blade extending between the shaft and an inner surface of the pipe. 10. The material spreader of claim 1, wherein the hopper includes a pressure relief valve configured to open upon the air pressure within the hopper exceeding a threshold limit. 11. The material spreader of claim 10, wherein a spring coupled between the pressure relief valve and a wall of the hopper biases the pressure relief valve to a closed position. 12. The material spreader of claim 1, further comprising at least one dust suppressor mounted to the hopper and configured to suppress dust emissions from the hopper, the at least one dust suppressor being further configured to vent air from the hopper during the material spreading operation in response to air being introduced into the hopper through the supply hose. 13. The material spreader of claim 12, wherein the at least one dust suppressor includes a bag mounted to a top portion of the hopper. 14. The material spreader of claim 1, further comprising at least one shroud mounted at a bottom portion of the hopper and configured to reduce dust emissions from the feeder during a material spreading operation. 15. The material spreader of claim 1, further comprising a pair of guide rails mounted to a bottom portion of the hopper and configured to bias the feeder away from the ground. 16. The material spreader of claim 1, further comprising at least one spray assembly mounted at a bottom portion of the hopper and configured to spray a liquid onto a material spreading area to reduce dust emissions during the material spreading operation. 17. The material spreader of claim 1, wherein the supply hose is routed along the boom of the excavator. 18. The material spreader of claim 16, wherein the hopper includes at least one guide rail mounted at a bottom portion of the hopper along a length of the outlet of the feeder and configured to bias the feeder away from the ground, wherein the at least one spray assembly includes a plurality of spray heads coupled to the at least one guide rail. 19. A material spreader for use with an excavator, the excavator including a boom having a universal mounting portion configured to receive at least one of a plurality of attachments, the material spreader comprising: a hopper including an interior region configured to hold a bulk material, the hopper including a mounting bracket configured to mount to the universal mounting portion of the excavator;a feeder mounted to the hopper, the feeder having an inlet for receiving the bulk material from the hopper and an outlet for dispensing the bulk material to a target area during a material spreading operation;a motor mounted to the hopper and coupled to the feeder, the motor being configured to drive the feeder to dispense the bulk material; anda flexible dust suppressor coupled to the hopper to enclose the interior region of the hopper and configured to suppress dust from the hopper during the material spreading operation. 20. The material spreader of claim 19, wherein the flexible dust suppressor is further configured to vent air from the hopper during the material spreading operation. 21. The material spreader of claim 19, wherein the flexible dust suppressor includes a bag mounted to a top portion of the hopper, wherein the bag is configured to expand during the material spreading operation in response to an increased air pressure within the hopper during the material spreading operation. 22. The material spreader of claim 19, wherein the hopper includes a top portion having a plurality of openings, and wherein a plurality of flexible dust suppressors are coupled to the top portion of the hopper at the plurality of openings to suppress dust exiting through the openings. 23. A material spreader for use with an excavator, the excavator including a boom having a universal mounting portion configured to receive at least one of a plurality of attachments, the material spreader comprising: a hopper configured to hold a bulk material in an enclosed interior region of the hopper, the hopper including a mounting bracket configured to mount to the universal mounting portion of the excavator and a material inlet configured to receive the bulk material from an external supply source;a feeder mounted to the hopper, the feeder having an inlet for receiving the bulk material from the hopper and an outlet for dispensing the bulk material to a target area during a material spreading operation;a supply hose fixedly coupled to the material inlet of the hopper and configured to transfer the bulk material from the external supply source to the material inlet of the hopper during the material spreading operation;a pressure relief valve configured to relieve pressure within the enclosed interior region of the hopper during the material spreading operation; anda flexible dust suppressor coupled to the hopper to enclose the interior region of the hopper, the flexible dust suppressor being configured to vent air from the hopper during the material spreading operation. 24. The material spreader of claim 23, wherein the supply hose is configured to transfer both air and the bulk material into the hopper during the material spreading operation, and the pressure relief valve is configured to open to relieve pressure within the hopper in response to the air pressure within the hopper exceeding a threshold limit. 25. The material spreader of claim 1, further comprising a level sensor coupled to the hopper to detect a level of the bulk material in the hopper, the transfer of the bulk material through the supply hose during the spreading operation being controlled based on output from the level sensor. 26. The material spreader of claim 1, wherein the first side wall of the hopper is the nearest side wall to the boom.
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이 특허에 인용된 특허 (11)
Wall Albert J. (137 Russell St. Woburn MA) Wall James T. (137 Russell St. Woburn MA 01801), Adaptable material spreading vehicle.
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