Method of redistributing loose material on a surface and a system for practicing the method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01G-020/43
B62B-003/00
A01G-001/12
출원번호
US-0557591
(2014-12-02)
등록번호
US-10040467
(2018-08-07)
발명자
/ 주소
Restall, Arran
Spier, Wayne
출원인 / 주소
Crary Industries, Inc.
대리인 / 주소
Wood, Phillips, Katz, Clark & Mortimer
인용정보
피인용 횟수 :
1인용 특허 :
11
초록▼
A method of setting up a system to redistribute loose material; including the steps of: obtaining a blower assembly that is configured to generate a pressurized supply of air that is discharged at an outlet; obtaining a wheeled carrying unit for the blower assembly; and operatively positioning the b
A method of setting up a system to redistribute loose material; including the steps of: obtaining a blower assembly that is configured to generate a pressurized supply of air that is discharged at an outlet; obtaining a wheeled carrying unit for the blower assembly; and operatively positioning the blower assembly on a frame on the carrying unit. The carrying unit and blower assembly are configured so that with the blower assembly operatively positioned the carrying unit can be advanced by the user over the subjacent support surface to thereby cause pressurized air generated by the blower assembly to be directed to continuously and controllably redistribute loose material residing on the subjacent support surface.
대표청구항▼
1. A method of setting up a system to redistribute loose material, the method comprising the steps of: obtaining a blower assembly,the blower assembly configured to generate a pressurized supply of air that is discharged at an outlet;obtaining a carrying unit for the blower assembly,the carrying uni
1. A method of setting up a system to redistribute loose material, the method comprising the steps of: obtaining a blower assembly,the blower assembly configured to generate a pressurized supply of air that is discharged at an outlet;obtaining a carrying unit for the blower assembly,the carrying unit comprising:a) a frame; andb) at least one wheel on the frame through which the frame can be supported upon and advanced over a subjacent support surface upon which loose material resides; andoperatively positioning the blower assembly on the frame,the carrying unit and blower assembly configured so that with the blower assembly operatively positioned on the frame the carrying unit can be advanced by the user over the subjacent support surface to thereby cause pressurized air generated by the blower assembly to be directed to continuously and controllably redistribute loose material residing on the subjacent support surface,wherein the carrying unit has a main body defining a discharge conduit and further comprising the steps of obtaining a first deflector unit and connecting the first deflector unit to the main body to thereby cause pressurized air generated by the blower assembly to be discharged through the discharge conduit in a first manner;separating the first deflector unit from the main body;obtaining a second deflector unit; andconnecting the second deflector unit to the main body in place of the first deflector unit,the second deflector unit configured so that with the second deflector unit connected to the main body in place of the first deflector unit, pressurized air generated by the blower assembly is caused to be discharged through the discharge conduit in a second manner different than the first manner. 2. The method of setting up a system to distribute loose material according to claim 1 wherein the pressurized air generated by the blower assembly is discharged through the discharge conduit in a controlled stream. 3. The method of setting up a system to distribute loose material according to claim 2 wherein the step of obtaining a carrying unit comprises obtaining a carrying unit comprising an adaptor configured to communicate pressurized air from the outlet of the operatively positioned blower assembly toward the discharge conduit. 4. The method of setting up a system to distribute loose material according to claim 3 further comprising the step of releasably connecting the adaptor to the blower assembly. 5. The method of setting up a system to distribute loose material according to claim 2 wherein the step of obtaining a carrying unit comprises obtaining a carrying unit that can be selectively reconfigured to change a discharge direction of the controlled stream. 6. The method of setting up a system to distribute loose material according to claim 5 wherein the controlled stream can be directed in first and second directions that are substantially opposite. 7. The method of setting up a system to distribute loose material according to claim 2 where the step of obtaining a carrying unit comprises obtaining a carrying unit with a deflector that is configured to control at least one of: a) volume; and b) direction of the controlled stream. 8. The method of setting up a system to distribute loose material according to claim 7 further comprising the step of moving the deflector to vary at least one of the: a) volume; and b) direction of the controlled stream. 9. The method of setting up a system to distribute loose material according to claim 8 wherein the deflector is moved by pivoting around an axis. 10. The method of setting up a system to distribute loose material according to claim 1 wherein the carrying unit has a front and rear and laterally spaced sides and the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the frame comprises a handle assembly with at least one gripping region that is configured to be engaged by a user situated behind the carrying unit upon which a force can be applied by a user to reposition the carrying unit relative to the subjacent support surface. 11. The method of setting up a system to distribute loose material according to claim 10 wherein the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the handle assembly has a forwardly opening U-shaped portion upon which the gripping region is formed. 12. The method of setting up a system to distribute loose material according to claim 10 wherein the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the handle assembly is configured so that the gripping region is defined on a member that is movable selectively relative to the operatively positioned blower assembly. 13. The method of setting up a system to distribute loose material according to claim 1 wherein the carrying unit has a front and rear and laterally spaced sides and the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the at least one wheel comprises first and second laterally spaced wheels. 14. The method of setting up a system to distribute loose material according to claim 13 wherein the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the at least one wheel comprises a third wheel situated forwardly of the first and second wheels. 15. The method of setting up a system to distribute loose material according to claim 1 further comprising the step of separating the blower assembly fully from the carrying unit and operating the fully separated blower assembly to redistribute loose material on the subjacent support surface. 16. The method of setting up a system to distribute loose material according to claim 1 further comprising the steps of simultaneously operating the blower assembly and moving the carrying unit with the operatively positioned blower assembly over the subjacent support surface to continuously redistribute loose material on the subjacent support surface. 17. A carrying unit for a blower assembly usable to set up a system to redistribute loose material, the carrying unit comprising:a) a frame configured to support a blower assembly in an operative position;b) a plurality of wheels on the frame through which the frame can be supported upon and advanced over a subjacent support surface upon which loose material resides;c) a handle assembly with at least one gripping region that is configured to be engaged by a user situated behind the carrying unit upon which a force can be applied by a user to reposition the carrying unit relative to the subjacent support surface,the carrying unit configured so that with a blower assembly operatively positioned on the frame the carrying unit can be advanced by the user over the subjacent support surface to thereby cause pressurized air generated by the blower assembly to be directed to continuously and controllably redistribute loose material residing on the subjacent support surface,wherein the carrying unit has a main body defining a discharge conduit; andd) first and second deflector units each with a permanently fixed shape and connectable selectively to the main body, one in place of the other,the permanently fixed shapes of the first and second deflector units different to thereby cause and allow pressurized air generated by an operatively positioned blower assembly to be discharged through the discharge conduit in only a first manner with the first deflector unit connected to the main body and only in a second manner, different than the first manner with the second deflector unit connected to the main body. 18. A carrying unit for a blower assembly usable to set up a system to redistribute loose material, the carrying unit comprising:a) a frame configured to support a blower assembly in an operative position;b) a plurality of wheels on the frame through which the frame can be supported upon and advanced over a subjacent support surface upon which loose material resides;c) a handle assembly with at least one gripping region that is configured to be engaged by a user situated behind the carrying unit upon which a force can be applied by a user to reposition the carrying unit relative to the subjacent support surface,the carrying unit configured so that with a blower assembly operatively positioned on the frame the carrying unit can be advanced by the user over the subjacent support surface to thereby cause pressurized air generated by the blower assembly to be directed to continuously and controllably redistribute loose material residing on the subjacent support surface,wherein the carrying unit has a main body defining a discharge conduit; andd) first and second deflector units connectable selectively to the main body, one in place of the other, and configured to cause pressurized air generated by an operatively positioned blower assembly to be discharged through the discharge conduit in first and second different manners,wherein the discharge conduit is configured to cause discharge of a controlled stream of pressurized air from an operatively positioned blower assembly and the carrying unit can be selectively reconfigured to change at least one of the: a) discharge direction of the controlled stream; and b) volume of the controlled stream, wherein the carrying unit further comprises an actuator on the handle assembly that is configured to allow the user to reconfigure the carrying unit to change the at least one of the: a) discharge direction of the controlled stream; and b) volume of the controlled stream. 19. The carrying unit as recited in claim 18 in combination with a blower assembly, the carrying unit and blower assembly configured so that the blower assembly can be selectively: a) operatively positioned on the carrying unit to generate and direct pressurized air to the discharge conduit; and b) changed from being operatively positioned to being fully separated from the carrying unit. 20. The carrying unit in combination with a blower assembly as recited in claim 19 wherein the blower assembly is configured to be supported for use upon a back of a user. 21. A method of setting up a system to distribute loose material, the method comprising the steps of: obtaining a blower assembly,the blower assembly configured to generate a pressurized supply of air that is discharged at an outlet;obtaining a carrying unit for the blower assembly,the carrying unit comprising:a) a frame; andb) at least one wheel on the frame through which the frame can be supported upon and advanced over a subjacent support surface upon which loose material resides;operatively positioning the blower assembly on the frame,the carrying unit and blower assembly configured so that with the blower assembly operatively positioned on the frame the carrying unit can be advanced by the user over the subjacent support surface to thereby cause pressurized air generated by the blower assembly to be directed to continuously and controllably redistribute loose material residing on the subjacent support surface,wherein the step of obtaining a carrying unit comprises obtaining a carrying unit wherein the frame defines a discharge conduit that causes pressurized air generated by the blower assembly to be discharged in a controlled stream in a first discharge direction,wherein the step of obtaining a carrying unit comprises obtaining a carrying unit that can be selectively reconfigured to change the discharge direction of the controlled stream from the first direction to a second direction,wherein the carrying unit has a main body defining the discharge conduit and further comprising the steps of obtaining a first deflector unit and connecting the first deflector unit to the main body to thereby change the discharge direction of the controlled stream from the first direction to the second direction;separating the first deflector unit from the main body;obtaining a second deflector unit; andconnecting the second deflector unit to the main body in place of the first deflector unit to thereby change the discharge direction of the controlled stream from the second direction to a third direction.
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