[특허]Light weight apparatus for screeding and vibrating uncured concrete surfaces

Delaware Capital Formation, Inc.

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Light weight apparatus for screeding and vibrating uncured concrete surfaces

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E01C-019/22
미국특허분류(USC)	404/114; 404/118
출원번호	US-0266305 (2002-10-08)
발명자 / 주소	Quenzi, Philip J. Stein, Russ E. Pietila, Mark A. Kieranen, Carl B. Halonen, Philip D.
출원인 / 주소	Delaware Capital Formation, Inc.
대리인 / 주소	Van Dyke, Gardner, Linn &
인용정보	피인용 횟수 : 26 인용 특허 : 43

초록
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A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may include a wheeled support which at least partially supports the vibrating beam and/or the grade setting device. The wheels of the wheeled support may be powered or driven to assist an operator in moving the screeding apparatus over and through the uncured concrete. The grade setting device is vertically adjustable to set or indicate the desired grade of the concrete surface as the screeding apparatus is moved over and through the uncured concrete. The grade setting device may be adjusted by means of a laser plane responsive control system.

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1. A lightweight screeding device movable over a surface of uncured concrete in a direction of travel and operable and controllable by an operator not supported by said screeding device, said serceding device being operable to level and smooth the uncured concrete surface, said screeding device comprising:a concrete surface working member; and a grade setting device which is adjustably mounted to the concrete surface working member and generally vertically adjustable with respect thereto, said grade setting device extending at least partially along said concrete surface working member, said screeding device being at least partially supportable on the uncured concrete surface by said concrete surface working member, such that said concrete surface working member rests upon the uncured concrete surface and provides support for an end of said lightweight screeding device, said grade setting device being adjustable relative to said concrete surface working member to at least partially engage the uncured concrete surface in front of said concrete surface working member as said screeding device is moved in the direction of travel to at least one of establish and indicate a desired grade elevation for the uncured concrete surface. 2. The screeding device of claim 1, wherein the desired grade of said grade setting device is automatically adjustable in response to a laser leveling system.3. The screeding device of claim 2, wherein said grade setting device is adjustable via at least one actuator, which is operable in response to a signal from a laser receiver mounted to said grade setting device.4. The screeding device of claim 1 including at least one actuator for vertically adjusting said grade setting device relative to said concrete surface working member.5. The screeding device or claim 1, wherein said grade setting device comprises an elongated member.6. The screeding device of claim 5, wherein said elongated member comprises a strike-off plow which is adjustable relative to said concrete surface working member to establish the desired grade as said screeding device moves over the uncured concrete surface.7. The screeding device of claim 5, wherein said elongated member includes a plurality of fingers or extensions extending downwardly therefrom which function to indicate the desired grade to an operator of said screeding device.8. The screeding device of claim 1, wherein said concrete surface working member comprises a vibrating member.9. The screeding device of claim 8 including a power source for vibrating said vibrating member and for actuating said at least one actuator.10. The screeding device of claim 8 including a wheeled support frame, said vibrating member being mounted to said wheeled support frame.11. The screeding device of claim 10, wherein said vibrating member is adjustably mounted to said wheeled support frame.12. The screeding device of claim 11, wherein said vibrating member is adjustable relative to said wheeled support frame to adjust a height of said vibrating member relative to said wheeled support frame.13. The screeding device of claim 11, wherein said vibrating member is adjustable relative to said wheeled support frame to adjust a pitch of said vibrating member relative to said wheeled support frame and relative to the concrete surface.14. The screeding device of claim 10, wherein said wheeled support frame includes at least two wheels.15. The screeding device of claim 14, wherein said at least two wheels are rotatably driven to move the screeding device over and through the uncured concrete surface.16. The screeding device of claim 10 including an operator handle extending from a forward end of said wheeled support, said vibrating member being mounted to a rearward end of said wheeled support.17. The screeding device of claim 16 including a power source for said vibrating member, said power source being positioned at said wheeled support.18. The screeding device of claim 1, wherein said concrete surface working member comprises a roller.19. The screeding device of claim 18, wherein said grade setting device comprises a raking member.20. The screeding device of claim 1 including a concrete moving device operable to move excess concrete from in front of said grade setting device to at least one side of said screeding device as said screeding device is moved through the uncured concrete.21. The screeding device of claim 20, wherein said concrete moving device comprises an auger which is rotatably driven to move excess concrete.22. The screeding device of claim 20, wherein said concrete moving device comprises a flexible member having a plurality of paddles spaced therealong, said flexible member being movable to move said plurality of paddles along said grade setting device to move excess concrete from in front of said grade setting device.23. The screeding device of claim 1, wherein said grade setting device comprises a concrete moving device which is operable to move excess concrete from in front of said concrete surface working member to at least one side of said screeding device as said screeding device is moved through the uncured concrete.24. The screeding device of claim 23, wherein said concrete moving device comprises an auger which is rotarably driven to move excess concrete.25. The screeding device of claim 23, wherein said concrete moving device comprises a flexible member having a plurality of peddles spaced therealong, said flexible member being movable to move said plurality of paddles along said grade setting device to move excess concrete from in front of said concrete surface working member.26. A screeding device movable over a surface of uncured concrete in a direction of travel and operable and controllable by an operator not supported by said screeding device, said screeding device being operable to level and smooth the uncured concrete surface, said screeding device comprising:a concrete surface working member; and a grade setting device which is adjustably mounted to the concrete surface working member and generally vertically adjustable with respect thereto, said screeding device being at least partially supportable on the uncured concrete surface by said concrete surface working member, said grade setting device being adjustable relative to said concrete surface working member to at least partially engage the uncured concrete surface in front of said concrete surface working member to establish a desired grade elevation for the uncured concrete surface as said screeding device is moved over the uncured concrete surface in the direction of travel. 27. The screeding device of claim 26, wherein the desired grade of said grade setting device is automatically adjustable in response to a laser leveling system.28. The screeding device of claim 27, wherein said grade setting device is adjustable via at least one actuator, which is operable in response to a signal from a laser receiver mounted to said grade setting device.29. The screeding device of claim 26 including at least one actuator for vertically adjusting said grade setting device relative to said concrete surface working member.30. The screeding device of claim 26, wherein said grade setting device comprises an elongated member which is adjustable relative to said concrete surface working member to at least partially engage the uncured concrete surface.31. The screeding device of claim 30, wherein said elongated member comprises a strike-off plow which functions to establish the desired grade as said screeding device moves over the uncured concrete surface.32. The screeding device of claim 30, wherein said elongated member includes a plurality of fingers or extensions extending downwardly therefrom which function to indicate the desired grade to an operator of said screeding device.33. The screeding device of claim 26, wherein said grade setting device comprises a roller.34. The screeding device of claim 26, wherein said concrete surface working member comprises a vibrating member.35. The screeding device of claim 34 including a power source for vibrating said vibrating member and for actuating said at least one actuator.36. The screeding device of claim 34 including a wheeled support frame, said vibrating member being mounted to said wheeled support frame.37. The screeding device of claim 36, wherein said vibrating member is adjustably mounted to said wheeled support frame.38. The screeding device of claim 37, wherein said vibrating member is adjustable relative to said wheeled support frame to adjust a height of said vibrating member relative to said wheeled support frame.39. The screeding device of claim 37, wherein said vibrating member is adjustable relative to said wheeled support frame to adjust a pitch of said vibrating member relative to said wheeled support frame and relative to the concrete surface.40. The screeding device of claim 36, wherein said wheeled support frame includes at least two wheels.41. The screeding device of claim 40, wherein said at least two wheels are rotatably driven to move the screeding device over and through the uncured concrete surface.42. The screeding device of claim 36 including an operator handle extending from a forward end of said wheeled support, said vibrating member being mourned to a rearward end of said wheeled support.43. The screeding device of claim 42 including a power source for said vibrating member, said power source being positioned at said wheeled support.44. The screeding device of claim 26, wherein said concrete surface working member comprises a roller.45. The screeding device of claim 44, wherein said grade setting device comprises a raking member.46. The screeding device of claim 26 including a concrete moving device operable to move excess concrete from in front of said grade setting device to at least one side of said screeding device as said screeding device is moved through the uncured concrete.47. The screeding device of claim 46, wherein said concrete moving device comprises an auger which is rotarably driven to move excess concrete.48. The screeding device of claim 46, wherein said concrete moving device comprises a flexible member having a plurality of paddles spaced therealong, said flexible member being movable to move said plurality of paddles along said grade setting device to move excess concrete from in front of said grade setting device.49. The screeding device of claim 26, wherein said grade setting device comprises a concrete moving device which is operable to move excess concrete from in front of said concrete surface working member to at least one side of said screeding device as said screeding device is moved through the uncured concrete.50. The screeding device of claim 49, wherein said concrete moving device comprises an auger which is rotatably driven to move excess concrete.51. The screeding device of claim 49, wherein said concrete moving device comprises a flexible member having a plurality of paddles spaced therealong, said flexible member being movable to move said plurality of paddles along said grade setting device to move excess concrete from in front of said concrete surface working member.

이 특허에 인용된 특허 (43)

이 특허를 인용한 특허 피인용횟수: 26

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Light weight apparatus for screeding and vibrating uncured concrete surfaces

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Light weight apparatus for screeding and vibrating uncured concrete surfaces

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