DE20003291U1 - paper shredder - Google Patents

Description

TELEPHONE: 0 7 11 / 7 8 % 7 3.1 ; TELEJAX'.: JP? IJ. / 7 8 0 0 9 9 5 / 9 6 KÖHLER SCHMID + P..' SU 3 E^MANSi Stf R * ^7&idigr;&iacgr;)-&0565 STUTTGART

KÖHLER SCHMID + PARTNER

PATENT ATTORNEYS

23 861 p/ha

Krug & Priester GmbH & Co. KG Simon-Schweitzer-Straße 34 72336 Baiingen

paper shredder

The invention relates to a document shredder in whose base frame a removable container for the shredded material is provided below a paper outlet shaft. In the known embodiments of this type it is unavoidable that when the container is removed from the paper outlet shaft to empty it, remaining shredded material falls onto the floor of the base frame, so that additional cleaning of the same is constantly required. The object of the present invention is therefore to prevent, in the simplest possible way, the shredded material in the paper outlet shaft from falling onto the floor of the base frame when or after the container is removed.

This is achieved according to the invention in that the paper outlet shaft can be covered by a longitudinally movable cover plate or the like. Before removing the container, the cover plate can be pushed under the paper outlet shaft so that it is covered and, regardless of the position of the container, no more cuttings can fall onto the floor of the base frame.

Since it can easily happen during hasty work that the paper outlet shaft is forgotten to be closed before the container is removed, the shaft is preferably closed automatically. This can be achieved by controlling the closed position of the closure plate by a driver or the like on the container so that the paper outlet shaft is closed when the container is removed from the base frame. However, care should be taken to ensure that the driver automatically opens the closure plate again when the container is inserted.

In another preferred embodiment, the control of the opening and closing position of the closure plate is carried out by a door that closes the removal opening for the container in the base frame. When opened, this moves the closure plate into its closed position so that the paper outlet shaft is closed. When the door is closed, the paper outlet shaft is then released again. This ensures that the paper is removed with absolute

This ensures that the paper outlet slot is covered when the container is removed and no more clippings can fall out. A particularly simple embodiment is achieved when the closure plate is connected to the door via a coupling rod or the like at a distance from its pivot axis. The closure plate is preferably mounted so that it can move on two guide rods.

The movement of the closure plate can also be used for safety purposes by connecting a switch for the cutting mechanism directly or indirectly to it, whereby the cutting mechanism is switched off when the paper outlet shaft is closed. The arrangement of one or more stripping brushes perpendicular to the direction of movement of the closure plate between the latter and the paper outlet shaft serves to sweep cuttings that have fallen onto the closure plate when the container is removed from the cutting mechanism, when the closure plate is pulled back into the container that has been replaced in the meantime.

The drawing shows an embodiment of the invention. It shows:

Figure 1 shows a cross-section through a document shredder with base frame and closed door.

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- 4 Figure 2 is a view according to Fig. 1 with the door open.

Figure 3 shows the section III-III according to Fig. 1. Figure 4 shows the section IV-IV according to Fig. 2.

A cutting mechanism 3 with a paper outlet shaft 6 is arranged on the base frame 1 of the document shredder 2. Inside the base frame 1, below the paper outlet shaft 6, there is a removable container 4 for the shredded material (not shown). The base frame 1 is closed off at the front by a pivoting door 5. Between the paper outlet shaft 6 and the container 4, a closure plate 7 is arranged so as to be longitudinally displaceable on two rails 8 and can be moved from the position shown in Figs. 1 and 3 at least far enough in the direction of arrow 9 until the opening 10 of the paper outlet shaft 6 is completely covered.

In order to be able to remove the container 4 from the base frame 1, the door 5 must first be pivoted into the position shown in Figs. 2 and 4. The door 5 is connected to the closure plate 7 outside of its pivot axis 11 via a coupling rod 12. This is therefore pushed in front of the opening 10 of the paper outlet shaft 6 when the door 5 is opened, so that it is closed. This prevents further

The cut material can fall downwards. The container 4 is then removed, emptied and then pushed back into the base frame 1. When the door 5 is closed, the locking plate 7 is pushed back into its position according to Figs. 1 and 3, so that the opening 10 of the paper outlet shaft 6 is exposed.

For safety reasons, the door 5 is coupled to a switch 13 for the cutting mechanism 3 in such a way that the cutting mechanism is switched off when the door 5 is open and switched on again when it is closed. The switch 13 can of course also be operated by the coupling rod 12 or the closure plate 7. When the opening 10 of the outlet shaft 6 is closed by the closure plate 7, cuttings can still fall from the cutting mechanism onto the plate. To prevent this from being taken along when the closure plate 7 is pushed back into the starting position according to Figs. 1 and 3 and possibly leading to jamming, a stripping brush 14 is provided transversely to the direction of displacement 9, which sweeps the cuttings from the closure plate 7 down into the container 4.

Claims (7)

1. A document shredder in the base of which a removable container ( 4 ) for the shredded material is provided below a paper outlet shaft ( 6 ), characterized in that the paper outlet shaft ( 6 ) can be covered by a longitudinally displaceable closure plate ( 7 ) or the like. 2. Document shredder according to claim 1, characterized in that the opening and closing position of the closure plate ( 7 ) is controlled by a driver or the like of the container ( 4 ) such that when the container is removed from the base frame ( 1 ), the paper outlet shaft ( 6 ) is closed. 3. Document shredder, the base frame ( 1 ) of which is closed by a pivotable door ( 5 ), according to claim 1, characterized in that the opening and closing position of the closure plate ( 7 ) is controlled by the door ( 5 ) such that the paper outlet chute ( 6 ) is closed when the door is open. 4. Document shredder according to claim 3, characterized in that the closure plate ( 7 ) is connected to the door ( 5 ) via a coupling rod ( 12 ) or the like at a distance from its pivot axis ( 11 ). 5. Document shredder according to one or more of the preceding claims, characterized in that the closure plate ( 7 ) is slidably mounted on two guide rods ( 8 ). 6. Document shredder according to one or more of the preceding claims, characterized in that the closure plate ( 7 ) or the door ( 5 ) are directly or indirectly connected to a switch ( 13 ) for the cutting mechanism ( 3 ), the cutting mechanism ( 3 ) being switched off when the paper outlet shaft ( 6 ) is closed. 7. Document shredder according to one or more of the preceding claims, characterized in that one or more stripping brushes ( 14 ) are provided transversely to the direction of displacement ( 9 ) of the closure plate ( 7 ) between the latter and the paper outlet shaft ( 6 ).