A conveyor includes a frame having first and second spaced frame elements having outer sides and facing inner sides, first and second drive rollers between the first and second frame elements, a flexible belt mounted on the first and second drive rollers, first and second drive wheels connected to t
A conveyor includes a frame having first and second spaced frame elements having outer sides and facing inner sides, first and second drive rollers between the first and second frame elements, a flexible belt mounted on the first and second drive rollers, first and second drive wheels connected to the first and second drive rollers, and a drive operably connected to the first and second drive wheels and configured to drive the belt in a first direction and in a second direction opposite the first direction.
대표청구항▼
1. A conveyor comprising a frame having first and second spaced frame elements having outer sides and facing inner sides, first and second drive rollers between the first and second frame elements, a flexible belt mounted on the first and second drive rollers, first and second drive wheels connected
1. A conveyor comprising a frame having first and second spaced frame elements having outer sides and facing inner sides, first and second drive rollers between the first and second frame elements, a flexible belt mounted on the first and second drive rollers, first and second drive wheels connected to the first and second drive rollers, and a drive on the outer side of the first frame element and operably connected to the first and second drive wheels and configured to drive the belt in a first direction and in a second direction opposite the first direction. 2. The conveyor of claim 1, wherein the first drive wheel is coaxially mounted on the first drive roller. 3. The conveyor of claim 1, wherein the first drive wheel is mounted on the outer side of the first frame element. 4. The conveyor of claim 1, wherein the conveyor comprises a first end portion including the first drive roller, a second end portion including the second drive roller and a central portion including a midpoint between the first drive roller and the second drive roller, wherein the belt includes a load carrying portion and a return portion, and wherein a largest spacing between the load carrying portion and the return portion occurs outside said central portion. 5. The conveyor of claim 1, wherein the drive includes a drive sprocket, the first drive wheel comprises a first sprocket and the second drive wheel comprises a second sprocket, and including a drive chain on the drive sprocket, the first sprocket and the second sprocket. 6. A conveyor comprising a frame having first and second spaced frame elements having outer sides and facing inner sides, first and second drive rollers between the first and second frame elements, a flexible belt mounted on the first and second drive rollers, first and second drive wheels connected to the first and second drive rollers, and a drive operably connected to the first and second drive wheels and configured to drive the belt in a first direction and in a second direction opposite the first direction, wherein the drive includes a drive sprocket, the first drive wheel comprises a first sprocket and the second drive wheel comprises a second sprocket, and including a drive chain on the drive sprocket, the first sprocket and the second sprocket. 7. The conveyor of claim 6, wherein the drive is mounted to the outer side of the first frame element. 8. The conveyor of claim 6, wherein the first drive wheel and the drive chain are located on the outer side of the first frame element. 9. The conveyor of claim 6, wherein the first drive wheel and the second drive wheel are mounted on the first frame element. 10. The conveyor of claim 9, including at least one tensioning sprocket mounted on the first frame element, wherein the drive chain is mounted on the tensioning sprocket. 11. A conveyor comprising: a frame having first and second spaced frame elements having outer sides and facing inner sides;a first drive shaft having a first end supported by the first frame element and a second end supported by the second frame element;a second drive shaft having a first end supported by the first frame element and a second end supported by the second frame element;a flexible belt supported on the first and second drive shafts,a drive belt or chain operably connected to the first drive shaft for driving the first drive shaft, the drive belt or chain also being operably connected to the second drive shaft for driving the second drive shaft; anda drive mounted on the outer side of the first frame element, the drive being operably connected to the drive belt or chain and configured to drive the drive belt or chain in a first direction and in a second direction opposite the first direction. 12. The conveyor of claim 11, further including: a first drive element on the first drive shaft;a second drive element on the second drive shaft;wherein the drive belt or chain is connected to the drive and to the first drive element and to the second drive element. 13. The conveyor of claim 12, wherein the first drive shaft includes a first portion between the first and second spaced frame elements and a second portion outside the first and second frame elements and wherein the second drive shaft includes a first portion between the first and second spaced frame elements and a second portion outside the first and second frame elements and wherein the first drive element is mounted on the second portion of the first drive shaft and the second drive element is mounted on the second portion of the second drive shaft. 14. The conveyor of claim 13, wherein the drive belt or chain comprises a drive chain and the first drive element comprises a first drive sprocket and the second drive element comprises a second drive sprocket. 15. The conveyor of claim 13, wherein the drive belt or chain comprises a drive belt and the first drive element comprises a first flanged wheel and the second drive element comprises a second flanged wheel. 16. The conveyor of claim 12, wherein the drive belt or chain is supported by the first drive element and by the second drive element. 17. The conveyor of claim 11, wherein the drive is mounted on the first frame element on the outer side of the first frame element. 18. The conveyor of claim 11, wherein the drive comprise an output shaft, wherein the drive belt or chain comprises a closed loop and wherein at least a portion of the output shaft, at least a portion of the first drive shaft and at least a portion of the second drive shaft are inside the closed loop. 19. The conveyor of claim 11, including first and second tensioning wheels on the outside of the first frame element configured to tension the drive belt or chain. 20. The conveyor of claim 11, wherein the drive includes a drive sprocket, the first drive wheel comprises a first sprocket and the second drive wheel comprises a second sprocket, and including a drive chain on the drive sprocket, the first sprocket and the second sprocket.
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이 특허에 인용된 특허 (5)
Conde John (Mayaguez PR) Castro Jose (Mayaguez PR), Apron and drive mechanism for object transferring apparatus.
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