Roller safety support system for conveyor system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65G-021/00
B65G-045/14
B65G-045/00
출원번호
US-0043754
(2005-01-26)
등록번호
US-7284658
(2007-10-23)
발명자
/ 주소
Wiggins,Daniel G.
Airaudi,Robert J.
Welker, III,Robert L.
Flinn,James L.
출원인 / 주소
Argonics, Inc.
대리인 / 주소
Wood, Phillips, Katz, Clark & Mortimer
인용정보
피인용 횟수 :
6인용 특허 :
11
초록▼
A conveyor system having a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line. A first roller is mounted in an operative position on a support to bear against the conveying belt. A roller safety support
A conveyor system having a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line. A first roller is mounted in an operative position on a support to bear against the conveying belt. A roller safety support system has a wall assembly that confines downward movement of the first roller in the event that the first roller becomes disengaged from the operative position. The roller safety support system further includes a frame assembly. The wall assembly is mounted to the frame assembly so that an upwardly facing surface on the wall assembly bears supportingly against the first roller in the event that the first roller becomes disengaged from the operative position. The upwardly facing surface bounds a receptacle in which the first roller is confined by the wall assembly in the event that the first roller disengages from the operative position. The receptacle has a variable configuration.
대표청구항▼
The invention claimed is: 1. A conveyor system comprising: a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line; a first roller mounted in an operative position on a support to bear against the conveyin
The invention claimed is: 1. A conveyor system comprising: a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line; a first roller mounted in an operative position on a support to bear against the conveying belt; and a roller safety support system comprising a wall assembly that confines downward movement of the first roller in the event that the first roller becomes disengaged from the operative position, the roller safety support system further comprising a frame assembly, the wall assembly mounted to the frame assembly so that an upwardly facing surface on the wall assembly bears supportingly against the first roller in the event that the first roller becomes disengaged from the operative position, the upwardly facing surface bounding a receptacle in which the first roller is confined by the wall assembly in the event the first roller disengages from the operative position, the receptacle having a variable configuration, the wall assembly comprising at least one sheet connected to the frame assembly at spaced first and second locations to be in an operative state wherein the at least one sheet extends continuously between the first and second locations around the first roller without engaging the first roller, wherein the at least one sheet comprises a non-metal material and has a plurality of openings therethrough bounded by a network of interconnecting elements that cause the sheet to be weakened so that the sheet can be readily reconfigured, the plurality of openings allowing passage of discrete foreign material separated from the conveying system. 2. The conveyor system according to claim 1 wherein the wall assembly comprises a urethane material that is flexible to be readily reconfigured into different shapes without being fixed in any shape into which the material is reconfigured. 3. The conveyor system according to claim 1 wherein the frame assembly comprises a first bracket, the conveyor system further comprises a base to which the first bracket is mounted to maintain the roller safety support system in operative relationship with the first roller, the frame assembly comprises a first support element for the wall assembly, and the receptacle is variable in configuration by vertically repositioning the first support element relative to the first bracket. 4. The conveyor system according to claim 1 wherein the wall assembly comprises a sheet with a fixed curved configuration bounding the receptacle. 5. A conveyor system comprising: a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line; a first roller mounted in an operative position on a support to bear against the conveying belt; and a roller safety support system comprising a wall assembly that confines downward movement of the first roller in the event that the first roller becomes disengaged from the operative position, the roller safety support system further comprising a frame assembly, the wall assembly mounted to the frame assembly so that an upwardly facing surface on the wall assembly bears supportingly against the first roller in the event that the first roller becomes disengaged from the operative position, the upwardly facing surface bounding a receptacle in which the first roller is confined by the wall assembly in the event the first roller disengages from the operative position, the receptacle having a variable configuration, wherein the wall assembly comprises a sheet that is connected to the frame assembly at spaced first and second locations between which the receptacle is defined by the sheet, wherein the sheet defines a first edge for bearing against and cleaning the conveying belt as the conveying belt moves in the endless travel path. 6. The conveyor system according to claim 5 wherein the sheet defines a second edge for bearing against and cleaning the conveying belt as the conveying belt moves in the endless travel path. 7. A conveyor system comprising: a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line; a first roller mounted in an operative position on a support to bear against the conveying belt; and a roller safety support system comprising a wall assembly that confines downward movement of the first roller in the event that the first roller becomes disengaged from the operative position, the roller safety support system further comprising a frame assembly, the wall assembly mounted to the frame assembly so that an upwardly facing surface on the wall assembly bears supportingly against the first roller in the event that the first roller becomes disengaged from the operative position, the upwardly facing surface bounding a receptacle in which the first roller is confined by the wall assembly in the event the first roller disengages from the operative position, the receptacle having a variable configuration, wherein the wall assembly comprises at least one sheet that is connected to the frame assembly at spaced first and second locations to be in an operative state wherein the at least one sheet defines the receptacle, wherein there is a first support element at the first location and there are a cooperating first receptacle and first projection, one each on the first support element and sheet, the first projection residing in the first receptacle with the sheet in the operative state, wherein the first receptacle comprises a first elongate slot and the first projection is directed into the first elongate slot one of: a) in a first direction in a first line transversely to the travel line to place the sheet in the operative state, and b) by movement in a second direction in a second line that is generally parallel to the travel line. 8. The conveyor system according to claim 7 wherein the first projection is snap fit into and maintained in the first receptacle. 9. The conveyor system according to claim 8 wherein the sheet comprises a first neck on which the first projection is located, the first receptacle is defined by a first channel with a first wall having a first entry opening and the first neck, first projection, and first entry opening are relatively dimensioned and constructed so that at least one of the channel and first projection is deformable and is deformed to an entry state as the first projection is pressed through the first entry opening into the first receptacle by movement of the projection in an assembly direction, whereupon the at least one of the channel and first projection that is deformed to an entry state is changed back towards an undeformed state wherein the first projection is blocked from being removed from the first receptacle by movement of the projection oppositely to the assembly direction. 10. The conveyor system according to claim 7 wherein the first elongate slot has a length extending transversely to the travel line and the first projection is elongate with a length extending generally parallel to the length of the first elongate slot. 11. The conveyor system according to claim 7 wherein the first elongate slot is defined by a first channel with a first wall having a first entry opening, the sheet comprises a first neck on which the first projection is located, the first neck, first projection, and first entry opening relatively dimensioned so that a) the first neck can pass through the first entry opening as the first projection moves into the first slot by movement of the sheet relative to the frame assembly along the first line and b) the first projection is blocked from passing through the first entry opening by movement of the sheet transversely to the first line relative to the frame assembly without deforming at least one of the first wall and first projection to place the sheet in and remove the sheet from the operative state. 12. A conveyor system comprising: a conveying belt trained around a plurality of guide rollers for movement in an endless travel path to convey articles and materials in a travel line; a first roller mounted in an operative position on a support to bear against the conveying belt; and a roller safety support system comprising a wall assembly that confines downward movement of the first roller in the event that the first roller becomes disengaged from the operative position, the roller safety support system further comprising a frame assembly, the wall assembly mounted to the frame assembly so that an upwardly facing surface on the wall assembly bears supportingly against the first roller in the event that the first roller becomes disengaged from the operative position, the upwardly facing surface bounding a receptacle in which the first roller is confined by the wall assembly in the event the first roller disengages from the operative position, the receptacle having a variable configuration, wherein the wall assembly comprises a sheet that is connected to the frame assembly at spaced first and second locations to be in an operative state wherein the sheet sags under its own weight between the first and second locations at which the receptacle is defined. 13. The conveyor system according to claim 12 wherein there is a first support element at the first location and there are a cooperating first receptacle and first projection, one each on the first support element and sheet, the first projection residing in the first receptacle with the sheet in the operative state. 14. The conveyor system according to claim 13 wherein the first receptacle comprises a first elongate slot and the first projection is directed into the first elongate slot in a first direction in a first line transversely to the travel line to place the sheet in the operative state. 15. The conveyor system according to claim 14 wherein the first elongate slot is defined by a first channel with a first wall having a first entry opening, the sheet comprises a first neck on which the first projection is located, the first neck, first projection, and first entry opening relatively dimensioned so that a) the first neck can pass through the first entry opening as the first projection moves into the first slot by movement of the sheet relative to the frame assembly along the first line and b) the first projection is blocked from passing through the first entry opening by movement of the sheet transversely to the first line relative to the frame assembly without deforming at least one of the first wall and first projection to place the sheet in and remove the sheet from the operative state. 16. The conveyor system according to claim 15 wherein there is a second support element at the second location and the sheet has a second projection and a second neck which cooperate with the second support element in substantially the same manner as the first projection and first neck cooperate with the first support element. 17. The conveyor system according to claim 16 wherein the second support element has a second wall with a second entry opening corresponding to the first entry opening and the first and second walls face oppositely to each other. 18. The conveyor system according to claim 14 wherein the frame assembly comprises a first bracket that is attached to the first support to block movement of the first projection out of the first elongate slot by movement of the first projection oppositely to the first direction. 19. The conveyor system according to claim 18 wherein the first bracket is attachable to the first support element selectively at different positions along the first line. 20. The conveyor system according to claim 18 wherein the frame assembly comprises a second bracket that is attached to the first support element to block movement of the first projection out of the first slot by movement of the first projection in the first direction relative to the second support element. 21. The conveyor system according to claim 20 wherein the conveyor system further comprises a base and the first and second brackets are mounted to the base to maintain the roller safety support system in operative relationship with the first roller. 22. The conveyor system according to claim 18 wherein the first roller has a first rotational axis and the first bracket extends around the first axis so that an axial end of the first roller is unobstructed by the first bracket as viewed along the first rotational axis. 23. The conveyor system according to claim 18 wherein the first bracket and first support element can be fixed to each other selectively at a plurality of different relative vertical positions. 24. The conveyor system according to claim 23 wherein the first support element comprises a first channel, the first bracket has walls with facing surfaces and the first channel is confined in a vertical direction between the facing wall surfaces on the first bracket. 25. The conveyor system according to claim 24 wherein the first bracket has a C shape with first and second free ends projecting towards each other and one of the free ends defines one of the facing walls. 26. The conveyor system according to claim 13 wherein the first projection is directed into the first receptacle by movement in a first direction in a first line that is generally parallel to the travel line. 27. The conveyor system according to claim 13 wherein the first projection is snap fit into and maintained in the first receptacle. 28. The conveyor system according to claim 27 wherein the sheet comprises a first neck on which the first projection is located, the first receptacle is defined by a first channel with a first wall having a first entry opening and the first neck, first projection, and first entry opening are relatively dimensioned and constructed so that at least one of the channel and first projection is deformable and is deformed to an entry state as the first projection is pressed through the first entry opening into the first receptacle by movement of the projection in an assembly direction, whereupon the at least one of the channel and first projection that is deformed to an entry state is changed back towards an undeformed state wherein the first projection is blocked from being removed from the first receptacle by movement of the projection oppositely to the assembly direction. 29. The conveyor system according to claim 28 wherein the first receptacle comprises an elongate slot with a length extending transversely to the travel line and the first projection is elongate with a length extending generally parallel to the length of the elongate slot. 30. The conveyor system according to claim 27 wherein there is a second support element at the second location and there are a cooperating second projection and second receptacle, one each on the second support element and sheet. 31. The conveyor system according to claim 30 wherein the second projection is snap fit into and thereby maintained in the second receptacle. 32. The conveyor system according to claim 12 wherein the sheet has a plurality of openings therethrough bounded by a network of interconnecting elements that cause the sheet to be weakened so that the sheet can be readily reconfigured, the plurality of openings allowing passage of discrete foreign material separated from the conveying system. 33. The conveyor system according to claim 32 wherein the sheet comprises urethane.
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이 특허에 인용된 특허 (11)
Baig Nazoor A. (Grosse Ile MI) Dean Allen T. (Ida MI) Krolikowski Anthony E. (Royal Oak MI) Skiver David W. (Petersburg MI), Belt cleaning apparatus.
Schiesser Ricardo N. (Grandville MI) Woltjer Bernard H. (Jenison MI) Cotter David H. (Coopersville MI), Modular pneumatic accumulation conveyor and method.
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