Claims
- 1. A rotor shear for comminuting bulky waste materials comprising:
- a housing divided into a comminuting chamber and a non-comminuting chamber by a separating wall having an opening defined therethrough;
- a first shaft supported in said housing and driven in a first direction of rotation;
- a second shaft supported in said housing, disposed parallel to said first shaft, and driven in a second direction of rotation opposite to said first direction of rotation;
- a first plurality of rotor disks with cutting teeth, said first plurality of rotor disks being disposed on said first shaft and including an outer rotor disk;
- a second plurality of rotor disks with cutting teeth, said second plurality of rotor disks being disposed on said second shaft said first and second plurality of rotor disks being offset relative to one another in an axial direction;
- a first wear disk attached to one end of said first shaft proximate said outer rotor disk of said first plurality of rotor disks and having a radius at least equal to a radius of said outer rotor disk, said first wear disk being received through the opening in the separating wall; and
- an outer spacer ring mounted on said second shaft, wherein said first wear disk contacts said outer spacer ring of said second shaft so as to reduce axial forces on said first shaft.
- 2. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising at least one support device associated with one of said shafts, said at least one support device being autonomous of the shafts, wherein said support device is positioned relative to said one shaft in a sector between a lowest point and a horizontal symmetry line of said one shaft.
- 3. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising at least one stripper device associated with one of said shafts, said at least one stripper device being autonomous of said shafts, wherein said stripper device is disposed relative to said one shaft in a sector proximate a lowest point of said one shaft.
- 4. The rotor shear for comminuting bulky waste materials according to claim 1, wherein at least one of the cutting teeth of said first and second plurality of rotor disks has a front flank including geometrically staggered partial faces forming comminuting edges to provide optimized step-by-step comminution of said bulky waste.
- 5. The rotor shear for comminuting bulky waste materials according to claim 1, wherein at least one of the cutting teeth of said first and second plurality of rotor disks has a front flank including angled partial faces forming comminuting edges to provide optimized step-by-step comminution of said bulky waste.
- 6. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first wear disk is shape-matchingly attached to said first shaft.
- 7. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first wear disk is force-matchingly attached to said first shaft.
- 8. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first wear disk is attached to said first shaft by a thread.
- 9. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first wear disk forms a collar-like part of said first shaft.
- 10. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first wear disk forms a flange-like part of said first shaft.
- 11. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a second wear disk connected to said first shaft, wherein said second wear disk rotates with its periphery facing a second outer spacer ring of said second shaft.
- 12. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a support/stripper device, including a support part and a stripper part integrated into a unitary device wherein said support part and said stripper part are functionally decoupled.
- 13. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said support part is disposed substantially centered axially on said first shaft.
- 14. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising a plurality of support parts substantially uniformly disposed axially on said first shaft.
- 15. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising a sliding layer applied to said support part.
- 16. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising:
- a spacer ring mounted on said second shaft; and
- a sliding layer applied to said spacer ring.
- 17. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said stripper part is disposed substantially centered axially on said first shaft.
- 18. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising a plurality of stripper parts substantially uniformly disposed axially on said first shaft.
- 19. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said stripper part is substantially free of a load upon a horizontal bending of said first shaft and operation of said stripper part is not effected upon wear of said support part.
- 20. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said stripper part is adjustably mounted on said housing to change its position relative to an axis of said first shaft.
- 21. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising a spring supporting said stripper part.
- 22. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said stripper part is a spring device.
- 23. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said support/stripper device has a recess defined between said support part and said stripper part on a side of said support/stripper device disposed proximate an axis of said first shaft.
- 24. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said support/stripper device has two-sided beveled inclinations with a ridge line running substantially perpendicular to an axis of said first shaft between said support part and said stripper part on a side of said support/stripper device disposed proximate an axis of rotation of said first shaft.
- 25. The rotor shear for comminuting bulky waste materials according to claim 12, further comprising an additional stripper part disposed in a sector adjoining an upper "dead point" of said first shaft for allowing a reverse operation.
- 26. The rotor shear for comminuting bulky waste materials according to claim 25, wherein said additional stripper part is formed like a rake.
- 27. The rotor shear for comminuting bulky waste materials according to claim 12, wherein said support/stripper device is supported by said housing.
- 28. The rotor shear for commuinuting bulky waste materials according to claim 1, further comprising a tooth disposed on one of said first plurality of rotor disks, said tooth having a front flank including comminuting edges and partial faces staggered like steps.
- 29. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a tooth disposed on one of said first plurality of rotor disks, said tooth having a front flank including comminuting edges and partial faces staggered nearly parallel like steps relative to a front face with an intermediately disposed inclined partial face.
- 30. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a tooth disposed on one of said first plurality of rotor disks, said tooth having a front flank including comminuting edges and convex partial faces for a predominant breaking effect on waste material to be comminuted.
- 31. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a tooth disposed on one of said first plurality of rotor disks, said tooth having a front flank including comminuting edges and nearly concave partial faces formed like a wedge for a predominant cutting effect on waste material to be comminuted.
- 32. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a plurality of cutting teeth disposed on one of said first plurality of rotor disks, wherein each of said plurality of cutting teeth includes comminuting edges and partial faces.
- 33. The rotor shear for comminuting bulky waste materials according to claim 1, wherein at least two rotor disks are integrated as a unitary device.
- 34. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a plurality of cutting teeth disposed on one of said first plurality of rotor disks, wherein said cutting teeth are staggered in a circumferential direction.
- 35. The rotor shear for comminuting bulky waste materials according to claim 1, further comprising a tooth disposed on one of said first plurality of rotor disks and a front flank having partial faces and front sides at approximately 90 degrees relative to one another.
- 36. The rotor shear for comminuting bulky waste materials according to claim 1, wherein said first plurality of rotor disks are grouped into a construction unit, said group of said first plurality of rotor disks being interchangeable, after a wear of an outer comminuting edge, inside out with adjoining front faces of worn outer comminuting edges.
- 37. A rotor shear for comminuting bulky waste materials comprising:
- a housing;
- a first shaft supported in said housing and driven in a first direction of rotation;
- a second shaft supported in said housing, disposed parallel to said first shaft, and driven in a second direction of rotation opposite to said first direction of rotation;
- a first plurality of rotor disks with cutting teeth, said first plurality of rotor disks being disposed on said first shaft and including an outer rotor disk;
- a second plurality of rotor disks with cutting teeth, said second plurality of rotor disks being disposed on said second shaft, wherein at least one of the cutting teeth of said first and second plurality of rotor disks has a front flank including geometrically staggered partial faces forming comminuting edges to provide optimized step-by-step comminution of said bulky waste;
- a wear disk attached to one end of said first shaft proximate said outer rotor disk of first plurality of rotor disks and having a radius at least equal to a radius of said outer rotor disk;
- at least one support device connected to one of said first shaft and said second shaft, said at least one support device being autonomous of the shafts, wherein said support device is positioned relative to said one shaft in a sector between a lowest point and a horizontal symmetry line of said one shaft;
- at least one stripper device connected to one of said first shaft and said second shaft, said at least one stripper device being autonomous of said shafts, wherein said stripper device is disposed relative to said one of said first shaft and said second shaft in a sector proximate a lowest point of said one of said first shaft and said second shaft; and
- wherein at least one of the cutting teeth of said first and second plurality of rotor disks includes geometrically staggered partial faces and comminuting edges to provide optimized step-by-step comminution of said bulky waste.
Priority Claims (1)
Number |
Date |
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Kind |
44 23 424 |
Jul 1994 |
DEX |
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CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part application of another international application filed Jun. 30, 1995 under the Patent Cooperation Treaty and bearing application No. PCT/DE/95/00833. The entire disclosure of this application, including the drawings thereof, is hereby incorporated in this application as if fully set forth herein.
US Referenced Citations (3)
Foreign Referenced Citations (5)
Number |
Date |
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2 428 469 |
Jun 1978 |
FRX |
2 716 125 |
Apr 1996 |
FRX |
24 50 936 |
Apr 1975 |
DEX |
39 18 657 |
Dec 1990 |
DEX |
2 053 727 |
Feb 1981 |
GBX |
Continuation in Parts (1)
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Number |
Date |
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Parent |
PCTDE9500833 |
Jun 1995 |
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