A vibrating device for surfacing concrete comprising a surfacing blade, a vibration-causing assembly in communication with the surfacing blade and an actuator in communication with the vibration-causing assembly so as to cause the vibration-causing assembly to impart a vibratory motion to the blade.
A vibrating device for surfacing concrete comprising a surfacing blade, a vibration-causing assembly in communication with the surfacing blade and an actuator in communication with the vibration-causing assembly so as to cause the vibration-causing assembly to impart a vibratory motion to the blade. A seal member is mounted about the junction between the actuator and the vibration-causing assembly. The said seal member seals the junction from concrete during surfacing.
대표청구항▼
What is claimed is: 1. A vibrating device for surfacing concrete, said vibrating device comprising: a surfacing blade; a vibration-causing assembly in communication with said surfacing blade; an actuator in communication with said vibration-causing assembly, so as to cause said vibration-causing as
What is claimed is: 1. A vibrating device for surfacing concrete, said vibrating device comprising: a surfacing blade; a vibration-causing assembly in communication with said surfacing blade; an actuator in communication with said vibration-causing assembly, so as to cause said vibration-causing assembly to impart a vibratory motion to said blade; and a seal member configured to extend around a junction between said actuator and said vibration-causing assembly; wherein said seal member is configured to seal said junction from concrete during surfacing. 2. A vibrating device according to claim 1, wherein said actuator is in communication with said vibration-causing assembly via a transmission at said junction therebetween. 3. A vibrating device according to claim 2, wherein said seal member is mounted about said transmission. 4. A vibrating device according to claim 3, wherein said transmission comprises an axle. 5. A vibrating device according to claim 4, wherein said axle comprises a flexible axle. 6. A vibrating device according to claim 1, wherein said actuator comprises a driving assembly for acting on said vibration-causing assembly. 7. A vibrating device according to claim 6, wherein said seal member is mounted about said driving assembly. 8. A vibrating device according to claim 6, wherein said driving assembly comprises a driving shaft in communication with an axle, said seal member sealing said axle. 9. A vibrating device according to claim 8, wherein said axle comprises a flexible axle. 10. A vibrating device according to claim 9, wherein said seal member is mounted about said flexible axle. 11. A vibrating device according to claim 6, wherein said seal member comprises a material that provides for said vibration-causing assembly to impart said vibratory motion to said blade. 12. A vibrating device according to claim 11, wherein said seal member comprises resilient flexible material. 13. A vibrating device according to claim 12, wherein said flexible material is selected from the group consisting of rubber, and plastic. 14. A vibrating device according to claim 1, wherein said seal member comprises resilient flexible material. 15. A vibrating device according to claim 14, wherein said flexible material is selected from the group consisting of rubber, and plastic. 16. A vibrating device according to claim 15, wherein said seal member comprises top and bottom portions and middle portion therebetween. 17. A vibrating device according to claim 16, wherein said seal member comprises a ring-like configuration. 18. A vibrating device according to claim 16, wherein said actuator is housed within an actuator housing, said vibration-causing assembly comprising a counterweight body, said seal member top portion being in communication with said actuator housing, said seal member bottom portion being in communication with said counterweight body. 19. A vibrating device according to claim 18, wherein said actuator housing comprises a top plate portion extending therefrom, said counterweight body comprising a bottom plate portion extending therefrom, said seal member top portion being mounted to said top plate portion, said seal member bottom portion being mounted to said bottom portion. 20. A vibrating device according to claim 19, wherein said seal member top and bottom portions comprise respective mounting elements. 21. A vibrating device according to claim 19, wherein said mounting elements comprise protruding fasteners, said top and bottom plate portions comprising respective apertures corresponding to said protruding fasteners. 22. A vibrating device according to claim 1, wherein said seal member is mounted between two opposite plate portions of a plate member. 23. A vibrating device according to claim 21, wherein said plate member is in communication with said vibration-causing assembly. 24. A vibrating device according to claim 23, wherein said vibration-causing assembly comprises a counterweight body connected to said plate member. 25. A vibrating device according to claim 24, wherein said counterweight body is in communication with said blade. 26. A vibrating device according to claim 25, wherein said counterweight body is connected to an elongate vibrating member being connected to said blade. 27. A vibrating device according to claim 23, wherein said plate member is in communication with said blade. 28. A vibrating device according to claim 27, wherein said plate member is connected to an elongate vibrating member connected to said blade. 29. A vibrating device according to claim 28, wherein said vibration-causing assembly is connected to said vibrating member. 30. A vibrating device according to claim 29, wherein said vibration-causing assembly comprises a counterweight body, said counterweight body is connected to said vibrating member. 31. A vibrating device according to claim 1, wherein said vibration-causing assembly comprises a shaft assembly and a bearing assembly in communication with said shaft assembly for substantially avoiding undesired movement of said blade during said vibratory motion. 32. A vibrating device according to claim 31, wherein said bearing assembly comprises a double bearing assembly. 33. A vibrating device according to claim 32, wherein said double bearing assembly comprises a first bearing mounted to one end of said shaft assembly and a second bearing mounted to an opposite end of said shaft assembly. 34. A vibrating device according to claim 31, wherein said undesired movement comprises an undesired oscillating movement that prevents smooth surfacing of the concrete. 35. A vibrating device according to claim 31, wherein said undesired movement comprises a wiggling movement. 36. A vibrating device according to claim 31, wherein said actuator comprises a driving shaft connected to said shaft assembly via a flexible axle, said flexible axle causing said undesired movement. 37. A vibrating device according to claim 1 further comprising a steering assembly in communication with said blade. 38. A vibrating device according to claim 37, wherein said steering assembly comprises a handle assembly, said handle assembly comprising at least one arm in communication with said blade, said at least one arm being so adjustable as to vary the length thereof. 39. A vibrating device according to claim 38, wherein said at least one arm comprises telescoping portions, said telescoping portions being moveable relative to each other so as to vary the length of said arm. 40. A vibrating device according to claim 38, wherein said handle assembly comprises two said arms. 41. A vibrating device according to claim 37, wherein said at least one arm comprises one end in communication with said blade and an opposite free end having a handle. 42. A vibrating device according to claim 41, wherein said handle comprises a controller linked to said actuator for control thereof. 43. A vibrating device according to claim 41, wherein said one end is connected to a vibration-resistance member in communication with said blade and providing to substantially avoid said vibratory motion from being transmitted to said arm. 44. A vibrating device according to claim 43, wherein said vibration-resistance member is in communication with said vibration-causing assembly.
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이 특허에 인용된 특허 (16)
Rouillard Roger (Charlesbourg CAX), Apparatus for levelling concrete.
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