EP3714980B1 - Déchiqueteuse écoénergétique à alimentation automatique - Google Patents

Déchiqueteuse écoénergétique à alimentation automatique Download PDF

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Publication number
EP3714980B1
EP3714980B1 EP19165443.3A EP19165443A EP3714980B1 EP 3714980 B1 EP3714980 B1 EP 3714980B1 EP 19165443 A EP19165443 A EP 19165443A EP 3714980 B1 EP3714980 B1 EP 3714980B1
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EP
European Patent Office
Prior art keywords
paper
stack
feeder
shredder
slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19165443.3A
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German (de)
English (en)
Other versions
EP3714980A1 (fr
Inventor
Tie-Chun Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Michilin Prosperity Co Ltd
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Michilin Prosperity Co Ltd
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Publication date
Application filed by Michilin Prosperity Co Ltd filed Critical Michilin Prosperity Co Ltd
Priority to EP19165443.3A priority Critical patent/EP3714980B1/fr
Publication of EP3714980A1 publication Critical patent/EP3714980A1/fr
Application granted granted Critical
Publication of EP3714980B1 publication Critical patent/EP3714980B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents

Definitions

  • the present invention relates generally to a paper shredder, and more particularly to an energy-saving auto feed shredder.
  • a paper shredder includes a paper support unit, which includes a first paper support unit having a first length, a second paper support unit, which is parallel with the first paper support unit and has a second length shorter than the first length, and a paper input slot between the first paper support unit and the second paper support unit, a roller having a portion that is exposed to the upper side of the second paper support unit through an opening formed in the second paper support unit, a cutter which is disposed under the paper input slot and shreds inserted paper, and a cover disposed on the paper support unit.
  • the feeding mechanisms can be a plurality of symmetrically arranged rubber rollers, or a roller-belt assembly.
  • the feeding mechanisms 30 When touching the bottom of the stack of paper inside the feeder base or compartment 34, the feeding mechanisms 30 in relative rotary motion will capture and pull the paper sheets at the bottom of the stack and fold them above the feeder slot 28, and then deliver them to the shredder mechanism 36 below the slot. Repeatedly, new paper sheets at the bottom of the stack are captured, pulled, folded and delivered by the feeding mechanism, until all the paper is shredded.
  • said conventional auto feed shredders share the same characteristic that the feeder slot 28 in the middle of the feeder base or compartment 34 is in nearly parallel orientation with the folding line Py of the longer side L of the stack of paper P placed inside the feeder base or compartment 34.
  • the longer side L of the stack of paper P can be captured, pulled, folded and delivered by the feeding mechanism. That is to say, when passing through the shredder mechanism (not shown in the drawing), the motion range of the paper sheets captured from the bottom of the stack of paper P to be shredded is half of the longer side (1/2L) of the paper to be shredded.
  • the longer side (29.7cm) of an A4 sheet for example, the length is 14 cm or so after folding. Therefore, the time to shred an A4 paper sheet is the time for the shredder mechanism to cut 1/2L, i.e., 14cm.
  • the time for the shredder mechanism to cut the paper sheets to be shredded has a direct proportional relationship with the motion range of the paper sheets to be shredded when passing through the shredder mechanism after folding.
  • the shorter motion range of the folded paper sheets to be shredded passing through the shredder mechanism the shorter time is needed to shred the paper. The accumulated results will dramatically reduce the operation time of the motor and save considerable energy.
  • the main object of the present invention is to provide an energy-saving auto feed shredder, wherein, the feeder slot is in nearly parallel orientation with the folding line of the shorter side of the stack of paper placed inside the feeder base or compartment, so that the shorter side of the stack of paper can be captured, pulled, folded and delivered to the shredder mechanism by the feeding mechanism.
  • the present invention provides an energy-saving auto feed shredder, which includes an openable cover as configured in a conventional auto feed shredder with a pressing device configured on the cover.
  • a feeder base or compartment to place the stack of paper
  • a feeder slot in the middle of the feeder base or compartment
  • feeding mechanisms on both sides of the feeder slot and a shredder mechanism below the feeder slot
  • the pressing device applies a pressure on the stack of paper inside the feeder base
  • the feeding mechanisms in relative motion on both sides of the feeder slot captures and pulls the sheets at the bottom of the stack of paper under pressure, and force them to fold toward the feeder slot, and be delivered to the shredder mechanism.
  • the feeder slot is in nearly parallel orientation with the folding line of the shorter side of the stack of paper inside the feeder base, so that the shorter side of the stack of paper can be captured, pulled, folded and delivered to the shredder mechanism by the feeding mechanism.
  • the shorter side of the stack of paper will be captured, pulled, folded and delivered to the shredder mechanism by the feeding mechanism;
  • the shorter side (21cm) of an A4 paper sheet as an example, the length becomes 10.5cm after folding. Therefore, the time for shredding an A4 paper sheet is the time used by the shredder mechanism to cut the length of 1/2 W (namely 10.5cm).
  • the feeder slot In a conventional auto feed shredder, the feeder slot is in nearly parallel orientation with the folding line of the longer side of the stack of paper, so that the longer side of the stack of paper is captured, pulled, folded and delivered by the feeding mechanism; In comparison, in the present invention, the feeder slot is intentionally designed to be in nearly parallel orientation with the folding line of the shorter side of the stack of paper placed inside the feeder base or compartment, so that the shorter side of the stack of paper will be captured, pulled, folded and delivered to the shredder mechanism by the feeding mechanism; Taking an A4 paper sheet for example, the cutting range of a conventional auto feed shredder is 14cm, while the present invention has an obviously much shorter cutting range (10.5cm). Therefore, to shred an A4 paper sheet, the present invention will save about 25% of the time.
  • the present invention is an energy-saving auto feed shredder, which includes an openable cover 14 as configured in a conventional auto feed shredder (see Fig. 1 to Fig. 5 ) with a pressing device 32 configured on the cover. Once the cover 14 is open, other components of the present invention are exposed, such as a feeder base or compartment 34 to place the stack of paper, a feeder slot 28 in the middle of the feeder base or compartment 34, feeding mechanisms 30 on both sides of the feeder slot 28, and a shredder mechanism 36 below the feeder slot 28.
  • the pressing device 32 applies a pressure on the stack of paper inside the feeder base or compartment 34, and the feeding mechanisms 30 in relative motion on both sides of the feeder slot 28 captures and pulls the sheet at the bottom of the stack of paper under pressure, and force it to fold toward the feeder slot 28, and be delivered to the shredder mechanism 36. Repeatedly, new sheet of paper are captured, pulled, folded and delivered by the feeding mechanism, until the whole stack of paper is shredded.
  • the feeder slot 28 is in nearly parallel orientation with the folding line Px of the shorter side W of the stack of paper P inside the feeder base or compartment 34, so that the shorter side W of the stack of paper P can be captured, folded and delivered to the shredder mechanism by the feeding mechanism.
  • the folding line Px of the shorter side W of the stack of paper P is made to be in nearly parallel orientation with the feeder slot 28, so that the shorter side W of the stack of paper P will be captured, pulled, folded and delivered to the shredder mechanism by the feeding mechanism.
  • the shorter side (21cm) of an A4 paper sheet as an example, the length becomes 10.5cm after folding. Therefore, the time for shredding an A4 paper sheet is the time used by the shredder mechanism to cut the length of 1/2 W (namely 10.5cm).
  • the longer side L of the stack of paper P is in nearly parallel orientation with the feeder slot 28, so that the longer side L of the stack of paper P is captured, pulled, folded and delivered by the feeding mechanism.
  • the longer side (29.7cm) of an A4 paper sheet as an example, the length becomes 14cm or so after folding. Therefore, the time for shredding an A4 paper sheet is the time used by the shredder mechanism to cut the length of 1/2L (namely 14cm or so).
  • the cutting range of a conventional auto feed shredder is 14cm or so, while the present invention has an obviously much shorter cutting range (10.5cm). Therefore, to shred an A4 paper sheet, the present invention will save about 25% of the time comparing to a conventional auto feed shredder.
  • the feeder slot 28 is configured in the middle of the feeder base or compartment 34.
  • the feeder slot 28 is configured at the position with a deviation from the middle of the feeder base or compartment 34.
  • the feeder base or compartment 34 has an offset distance D1, D2 from the folding line Px of the shorter side of the stack of paper, the feeder slot 28 is still in nearly parallel orientation with the folding line Px of the shorter side of the stack of paper P placed inside the feeder base or compartment 34;
  • Fig. 9C discloses a fourth embodiment of the present invention, wherein, the feeder slot 28 is configured with an offset angle from the middle of the feeder base or compartment 34, so that the feeder slot 28 forms an offset angle ⁇ with the folding line Px of the shorter side of the pressed stack of paper P placed inside the feeder base or compartment 34.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Claims (2)

  1. Déchiqueteuse à alimentation automatique économe en énergie, comprenant un couvercle ouvrable (14) tel que configuré dans une déchiqueteuse à alimentation automatique conventionnelle, avec un dispositif de mise en pression (32) configuré sur le couvercle (14) ; quand le couvercle (14) est ouvert, d'autres composants sont exposés, tels qu'une base ou un compartiment d'alimentation (34) pour placer la pile de papier (P), une fente d'alimentation (28) au milieu de la base ou du compartiment d'alimentation (34), des mécanismes d'alimentation (30) des deux côtés de la fente d'alimentation (28) et un mécanisme de déchiquetage (36) sous la fente d'alimentation (28) ; lorsque le couvercle (14) est fermé, le dispositif de mise en pression (32) applique une pression sur la pile de papier (P) à l'intérieur de la base d'alimentation (34), et les mécanismes d'alimentation (30) en mouvement relatif des deux côtés de la fente d'alimentation (28) saisissent et tirent la feuille en bas de la pile de papier (P) sous pression, et la forcent à se plier vers la fente d'alimentation (28), et à être délivrée au mécanisme de déchiquetage (36); à plusieurs reprises, une nouvelle feuille de papier est saisie, tirée, pliée et délivrée par le mécanisme d'alimentation (30), jusqu'à ce que toute la pile de papier (P) soit déchiquetée : dans laquelle, ladite fente d'alimentation (28) se trouve dans une orientation presque parallèle à la ligne de pliage (Px) du côté le plus court (W) de la pile de papier (P) placée à l'intérieur de la base d'alimentation (34), de sorte que le côté le plus court (W) de la pile de papier (P) puisse être saisi, tiré, plié et délivré au mécanisme de déchiquetage (36) par le mécanisme d'alimentation (30).
  2. Déchiqueteuse à alimentation automatique économe en énergie, comprenant un couvercle ouvrable (14) tel que configuré dans une déchiqueteuse à alimentation automatique conventionnelle, avec un dispositif de mise en pression (32) configuré sur le couvercle (14) ; quand le couvercle (14) ouvert, d'autres composants sont exposés, tels qu'une base ou un compartiment d'alimentation (34) pour placer la pile de papier (P), une fente d'alimentation (28) au milieu de la base ou du compartiment d'alimentation (34), des mécanismes d'alimentation (30) des deux côtés de la fente d'alimentation (28) et un mécanisme de déchiquetage (36) sous la fente d'alimentation (28) ; lorsque le couvercle (14) est fermé, le dispositif de mise en pression (32) applique une pression sur la pile de papier (P) à l'intérieur de la base d'alimentation (34), et les mécanismes d'alimentation (30) en mouvement relatif des deux côtés de la fente d'alimentation (28) saisissent et tirent la feuille en bas de la pile de papier (P) sous pression, et la forcent à se plier vers la fente d'alimentation (28), et à être délivrée au mécanisme de déchiquetage (36) ; à plusieurs reprises, une nouvelle feuille de papier est saisie, tirée, pliée et délivrée par le mécanisme d'alimentation (30), jusqu'à ce que toute la pile de papier (P) soit déchiquetée : dans laquelle, ladite fente d'alimentation (28) forme un angle de décalage (θ) avec le côté le plus court (W) de la pile de papier pressée (P) à l'intérieur de la base d'alimentation (34), de sorte que le côté le plus court (W) de la pile de papier (P) puisse être saisi, tiré, plié et délivré au mécanisme de déchiquetage (36) par le mécanisme d'alimentation (30).
EP19165443.3A 2019-03-27 2019-03-27 Déchiqueteuse écoénergétique à alimentation automatique Active EP3714980B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19165443.3A EP3714980B1 (fr) 2019-03-27 2019-03-27 Déchiqueteuse écoénergétique à alimentation automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19165443.3A EP3714980B1 (fr) 2019-03-27 2019-03-27 Déchiqueteuse écoénergétique à alimentation automatique

Publications (2)

Publication Number Publication Date
EP3714980A1 EP3714980A1 (fr) 2020-09-30
EP3714980B1 true EP3714980B1 (fr) 2022-11-23

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EP19165443.3A Active EP3714980B1 (fr) 2019-03-27 2019-03-27 Déchiqueteuse écoénergétique à alimentation automatique

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203126C1 (de) 2002-01-25 2003-04-24 Dahle Buerotechnik Gmbh Dokumentenvernichter mit Einzelblattzufuhr von gestapeltem Blattgut
US7658342B2 (en) 2004-06-14 2010-02-09 Michilin Prosperity Co., Ltd. Auto-feed buit-in a paper shredder
US8336794B2 (en) 2010-04-16 2012-12-25 Acco Uk Limited Paper shredder with staple and clip remover
US9757732B2 (en) * 2012-10-18 2017-09-12 Royal Sovereign Qingdao Inc. Paper shredder
US9662658B2 (en) * 2015-01-09 2017-05-30 Seiko Epson Corporation Sheet manufacturing apparatus, paper supplying device, and paper shredding device
US9884323B2 (en) 2015-04-28 2018-02-06 Intek America, Inc. Paper shredder having interchangeable feed belt cartridges

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Publication number Publication date
EP3714980A1 (fr) 2020-09-30

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