A shredder for shredding articles, the shredder includes a first cutter that provides a first stage of shredding to shred the articles and a second cutter arrangement that provides a second stage of shredding to shred the articles received from the first cutter arrangement. The second cutter arrange
A shredder for shredding articles, the shredder includes a first cutter that provides a first stage of shredding to shred the articles and a second cutter arrangement that provides a second stage of shredding to shred the articles received from the first cutter arrangement. The second cutter arrangement includes a rotary cutter element rotatable to shred the articles into shredded particles and a filter having openings to enable the shredded particles below a predetermined size to pass therethrough. The shredder also includes an outlet allows shredded particles to exit therefrom and a vacuum that provides air flow through the second cutter arrangement for entraining and moving the articles and/or particles through the outlet.
대표청구항▼
1. A shredder for shredding articles, the shredder comprising: a shredder mechanism comprising:(a) a first cutter arrangement constructed and arranged provide a first stage of shredding to shred the articles; and(b) a second cutter arrangement constructed and arranged to provide a second stage of sh
1. A shredder for shredding articles, the shredder comprising: a shredder mechanism comprising:(a) a first cutter arrangement constructed and arranged provide a first stage of shredding to shred the articles; and(b) a second cutter arrangement constructed and arranged to provide a second stage of shredding to shred the articles received from the first cutter arrangement, the second cutter arrangement comprising: a rotary cutter element constructed and arranged to be rotatable to shred the articles into shredded particles;a filter having openings to enable the shredded particles below a predetermined size to pass therethrough;an outlet constructed and arranged to allow shredded particles to exit therefrom; anda vacuum constructed and arranged to provide air flow for entraining and moving the articles and/or particles through the outlet, wherein the vacuum comprises a rotatable impeller constructed and arranged to provide air flow through at least the second cutter arrangement for entraining and moving the articles and/or particles through the second cutter arrangement and further into and through the vacuum itself, and wherein the rotatable impeller of the vacuum is configured to further shred the articles and/or particles before impelling the articles and/or particles out through the outlet. 2. The shredder of claim 1, wherein the first cutter arrangement is part of a strip cut shredder mechanism comprising strip cutting blades that cut the articles via a shearing action. 3. The shredder of claim 1, wherein the first cutter arrangement is part of a cross cut shredder mechanism comprising interleaving cutter elements provided on rotatable, parallel shafts that are arranged to receive and shred articles therebetween. 4. The shredder of claim 3, further comprising a final cutter arrangement having a rotary cutter element constructed and arranged to be rotatable to shred the articles into shredded particles. 5. The shredder of claim 1, wherein the first cutter arrangement comprises a rotary cutter element constructed and arranged to rotate around a first axis, and wherein the rotary cutter element of the second cutter arrangement is constructed and arranged to rotate around a second axis. 6. The shredder of claim 5, wherein the first and second axis are the same. 7. The shredder of claim 1, wherein the first cutter arrangement comprises: a first rotary cutter element constructed and arranged to be rotatable to shred the articles into shredded particles; anda first filter having openings to enable the shredded particles below a predetermined size to pass therethrough. 8. The shredder of claim 1, further comprising a feed mechanism, and wherein the feed mechanism is controlled to feed the articles to the shredder mechanism at a predetermined rate. 9. The shredder of claim 8, wherein the feed mechanism comprises rotatable feed rollers for receiving the articles therebetween to advance the articles to the shredder mechanism. 10. The shredder of claim 1, wherein the first cutter arrangement is remote from the second cutter arrangement and the vacuum. 11. The shredder of claim 1, wherein the vacuum is part of the second cutter arrangement. 12. The shredder of claim 1, further comprising: a tray for holding a stack of paper sheets to be fed into the shredder mechanism; anda feed mechanism constructed and arranged to be movable between an engaged position for engaging the stack and a disengaged position for disengaging from the stack so as to drive and feed the paper into the shredder mechanism. 13. The shredder of claim 1, further comprising: a tray for holding a stack of paper sheets to be fed into the shredder mechanism;a feed mechanism positioned above the tray, and wherein the feed mechanism is movable between a lowered position for engaging the stack and a raised position for disengaging from the stack, anda feed driver system constructed to (a) drive the feed mechanism in a feeding direction to feed paper atop the stack to the shredder mechanism, and (b) move the feed mechanism in an alternating manner between the lowered and raised position such that the feed mechanism alternates between engaging the stack to feed paper and disengaging from the stack to allow the paper to be advanced therethrough. 14. The shredder of claim 1, wherein the first cutter arrangement comprises at least two rotary cutter elements disposed in an interleaving relationship for shredding the articles fed therein, and wherein the second cutter arrangement receives the shredded articles from the first cutter arrangement for further shredding. 15. The shredder of claim 1, wherein the second cutter arrangement comprises a cutter compartment comprising a textured inner surface to decrease a speed of the articles passing through the cutter compartment. 16. The shredder of claim 1, wherein the second cutter arrangement and the vacuum are removable from the shredder. 17. The shredder of claim 16, wherein the vacuum is part of the second cutter arrangement. 18. The shredder of claim 1, further comprising a final cutter arrangement, and wherein the vacuum is part of the final cutter arrangement. 19. The shredder of claim 1, further comprising a waste receptacle having an interior waste receiving space for receiving the shredded particles from the rotary shredder mechanism. 20. The shredder of claim 19, wherein the waste receptacle is remote from the feed mechanism. 21. The shredder of claim 19, wherein the waste receptacle is removable from the shredder. 22. The shredder of claim 1, wherein the vacuum is constructed and arranged to generate a negative pressure adjacent the shredder mechanism to entrain and move the articles and/or particles through the outlet. 23. A shredder system comprising: at least one shredder having a primary shredder mechanism constructed and arranged to shred articles fed therein;a secondary shredder mechanism remote from the at least one shredder and constructed and arranged to receive the shredded articles from the at least one shredder, the secondary shredder mechanism comprising a first cutter module including a first rotary cutter element constructed and arranged to be rotatable to further shred the shredded articles into smaller particles and a first filter having openings to enable the shredded particles below a predetermined size to pass therethrough;a vacuum constructed and arranged to provide air flow for entraining and moving the shredded articles and/or particles from the at least one shredder through the secondary shredder mechanism and to suction the articles and/or particles into the vacuum itself, the vacuum comprising a centrifugal fan having a rotatable impeller, anda waste receptacle having an interior waste receiving space for receiving the shredded particles from the secondary shredder mechanism,wherein the rotatable impeller of the vacuum is configured to further shred the articles and/or particles before impelling the articles and/or particles out for receipt in the waste receptacle. 24. The shredder of claim 23, wherein the first cutter module comprises a textured inner surface to decrease a speed of the articles passing through the first cutter module. 25. The shredder of claim 23, wherein the waste bin comprises a filter for exhausting air from the vacuum therethrough. 26. The shredder of claim 23, wherein the secondary shredder mechanism comprises a second cutter module including a second rotary cutter element and a second filter, and wherein the first cutter module is connectable to the second cutter module such that the shredded particles from the first cutter module are further shredded into smaller particles by the second rotary cutter element. 27. The shredder of claim 23, wherein the secondary shredder mechanism comprises a second cutter module, and wherein the vacuum is part of the second cutter module. 28. The shredder of claim 23, wherein the secondary shredder mechanism comprises a final cutter module, and wherein the vacuum is part of the final cutter module. 29. The shredder of claim 23, wherein the first cutter module comprises another filter connected to the first filter to decrease the predetermined size of the particles that are allowed to pass therethrough. 30. The shredder of claim 23, further comprising a connection structure connecting the at least one shredder and the secondary shredder mechanism, and wherein the secondary shredder mechanism is constructed and arranged to receive the shredded articles from the at least one shredder via the connection structure.
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이 특허에 인용된 특허 (19)
Robinson Stanley L. ; Gerber Michael A. ; Sarlo Bernard F. ; VanClair Stanley, Bio-hazardous waste processor and optional encasement.
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