DE444832C - Device for cutting off sheets of paper - Google Patents
Device for cutting off sheets of paperInfo
- Publication number
- DE444832C DE444832C DEST40596D DEST040596D DE444832C DE 444832 C DE444832 C DE 444832C DE ST40596 D DEST40596 D DE ST40596D DE ST040596 D DEST040596 D DE ST040596D DE 444832 C DE444832 C DE 444832C
- Authority
- DE
- Germany
- Prior art keywords
- paper
- knife
- plate
- cover plate
- knives
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
- B65H35/008—Arrangements or adaptations of cutting devices
- B65H35/0086—Arrangements or adaptations of cutting devices using movable cutting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
- B26D1/345—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut for thin material, e.g. for sheets, strips or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Advancing Webs (AREA)
Description
Vorrichtung zum 'Abschneiden von Papierbogen. Beim Gegenstand der Erfindung handelt es sich darum, das Schreibpapier von der bzw. von mehreren Rollen in Stücke von gewünschter Länge bequem, ohne besonderen, Zeitverlust, schneiden zu können. -Die diesem Zweck dienenjde Vorrichtung ist auf der Zeichnung in Abb. i ini = Sch mtt von der Seite gesehen und in Abb. z von oben gesehen dargestellt.Device for cutting off sheets of paper. The subject of the Invention is about the writing paper from one or more rolls conveniently cut into pieces of the desired length without wasting time to be able to. - The device used for this purpose is shown in the drawing in Fig. i ini = Sch mtt seen from the side and shown in Fig. z seen from above.
Die Vorrichtung besteht aus einem als Gestell dienenden Kastenur -i.; . dessen um--- .das Gelenk 15 drehbare Deckplatte 2 entgegen der Feder 16 durch Auflegen der Hand tiefgedrückt wird und dann."sellbsttä,tig wieder in ihre höhere Lage zurückgeht. Die Deckplatte 2 trägt ein nach unten gerichtetes, der Breite des zu zerschneidenden Papleres g. entsprechendes Messer 5. Vor diesem Messer 5 befindet sich in, der Deckplatte 2 Heini Schlitz 6, in dem ein Gegenmesser 7 geführt ist. das um seinen Rücken drehbar gelagert ist und durch eine Feder 8 nach der Schnittebene des Obermessers 5 hingedrückt wird. Bewegt sich die Deckplatte 2 nach unten, so geht auch das Messer 5 mit .nach unten und trifft schließlich die Schnittkante des Gegenmessers 7. Das von Rolleng kommende Papier läuft zwischen den Messern 5 und 7 hindurch und wird somit beim Tiefdrücken der Deckplatte 2 durchschnitten. Besondere Schwierigkeit würde es nun bereiten, den linter den Messern gelegenen, noch nicht abgeschnittenen Teil der Papierbahn zu erfassen:, um sie zwischen den Messern 5, 7 hindurch über die Deckplatte ziehen zu können, was natürlich nach jedem Schnitt von Hand erfolgen muß. Um nun diesem Mangel abzuhelfen, ist eine Vorschubvorrichtung angebracht, welche aus einer Oberwalze io und einer Unterwalze i i besteht. Beide Walzen io und i i werden von der Deckplatte 2 getragen. Die untere Walze i i ist zu beiden Seiten mit je einem gezahnten Rad 12 versehen, in das je eine gezahnte Klinke 13, die durch eine Feder angedrückt wird, eingreift. Die Klinken 13 sind schwingbar gelagert. Die Zähne der Räder 12 sowie der Klinken greifen nur bei Bewegung in einer Richtung ineinander ein, während sie -bei Bewegung der entgegengesetzten Richtung aufeinander abgleiten. Wird die Deckplatte 2 gegen die Wirkung der Feder 16 nach unten bewegt, so gleiten die Räder 12 an der Klinke 13 nach unten. Geht darauf aber die Deckplatte z wieder hoch, so Wälzen-- sich- die --Räder 12 an den Klinken 13 äb, clie'-WaIze i i wird gedreht und schiebt in Zusammenarbeit _ mit der Gegenwalze i o die Papierbogen durch die Messer 5 und 7, so daß, wie aus Abb. i ersichtlich, die freien Papierkanten über die Messer hinausragen und bequem erfaßt werden können. Damit diese Papierenden etwas hochgedrückt werden, ist auf der Deckplatte eine Erhöhung 1.4 angebracht, über die das Papier gleitet.The device consists of a box-i serving as a frame .; . the cover plate 2 rotatable by --- .the joint 15 against the spring 16 Laying on the hand is depressed and then. "Automatically return to their higher level Location is declining. The cover plate 2 carries a downward facing, the width of the Papleres to be cut g. corresponding knife 5. In front of this knife 5 is located in, the cover plate 2 Heini slot 6, in which a counter knife 7 is guided. which is rotatably mounted about its back and by a spring 8 according to the cutting plane of the upper knife 5 is pressed. If the cover plate 2 moves down, so the knife 5 also goes down and finally hits the cutting edge of the Counter knife 7. The paper coming from Rolleg runs between the knives 5 and 7 through it and is thus cut through when the cover plate 2 is deeply pressed. Special It would not cause any difficulty now, for those lying behind the knives to grasp the cut part of the paper web: to put it between the knives 5, 7 to be able to pull through over the cover plate, which of course after each cut must be done by hand. In order to remedy this deficiency, there is a feed device attached, which consists of an upper roller io and a lower roller i i. Both Rollers io and i i are supported by the cover plate 2. The lower roller i i is Provided on both sides with a toothed wheel 12, in each of which one toothed Pawl 13, which is pressed by a spring, engages. The pawls 13 are pivotably mounted. The teeth of the wheels 12 and the pawls only engage when moving in one direction into each other, while they -in movement in the opposite direction Slide towards each other. If the cover plate 2 against the action of the spring 16 moved downward, the wheels 12 slide downward on the pawl 13. Goes but then the cover plate z up again, so the wheels 12 roll against the Pawl 13 äb, clie'-roller i i is rotated and pushes in cooperation with it the counter roller i o the sheets of paper through the knives 5 and 7, so that, as shown in Fig. i can be seen, the free paper edges protrude beyond the knife and easily grasped can be. So that these paper ends are pushed up a little, is on the cover plate an elevation 1.4 attached over which the paper slides.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST40596D DE444832C (en) | Device for cutting off sheets of paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST40596D DE444832C (en) | Device for cutting off sheets of paper |
Publications (1)
Publication Number | Publication Date |
---|---|
DE444832C true DE444832C (en) | 1927-05-30 |
Family
ID=7463743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEST40596D Expired DE444832C (en) | Device for cutting off sheets of paper |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE444832C (en) |
-
0
- DE DEST40596D patent/DE444832C/en not_active Expired
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