EP0491633B1 - Massicot de bureau pour réaliser des onglets - Google Patents

Massicot de bureau pour réaliser des onglets Download PDF

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Publication number
EP0491633B1
EP0491633B1 EP19910420450 EP91420450A EP0491633B1 EP 0491633 B1 EP0491633 B1 EP 0491633B1 EP 19910420450 EP19910420450 EP 19910420450 EP 91420450 A EP91420450 A EP 91420450A EP 0491633 B1 EP0491633 B1 EP 0491633B1
Authority
EP
European Patent Office
Prior art keywords
blade
knife
knife blade
sheet
counter
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 - Lifetime
Application number
EP19910420450
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0491633A1 (fr
Inventor
Louis Mathian
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0491633A1 publication Critical patent/EP0491633A1/fr
Application granted granted Critical
Publication of EP0491633B1 publication Critical patent/EP0491633B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • 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
    • B26D1/26—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 substantially perpendicular to the line of cut
    • B26D1/30—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 substantially perpendicular to the line of cut with limited pivotal movement to effect cut
    • 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
    • B26D1/26—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 substantially perpendicular to the line of cut
    • B26D1/30—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 substantially perpendicular to the line of cut with limited pivotal movement to effect cut
    • B26D1/305—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 substantially perpendicular to the line of cut with limited pivotal movement to effect cut for thin material, e.g. for sheets, strips or the like

Definitions

  • the invention relates to an office cutter according to the preamble of claim 1.
  • Document US-A-2 255 812 describes an office cutter for cutting tabs, the swivel knife of which is in three parts, rigidly joined together.
  • the middle part of the knife is perpendicular to the other two to create a transverse cut and reveal a tab on the cut sheet.
  • the pivot axis of the knife is fixed relative to the support plate for the sheets to be cut.
  • the quality of the cut, in particular of the transverse part, obtained by this cutter is insufficient and the correct positioning of the sheets on the plate is difficult to achieve.
  • This cutter does not meet the current requirements of office equipment.
  • the present invention is based on the observation of the absence of a simple office device allowing a cutting of sheets or bundles of sheets to reveal on the edges of the locating tabs and it aims to allow the realization of such a device. This object is achieved by the implementation of the features of claim 1.
  • the elastic mounting of the transverse blade ensures support on the counter knife during cutting and therefore a clean cut of the sheet in the two perpendicular directions.
  • the inventive cutter allows a strip to be cut at the edge of the sheet, the width of which is limited only by the size of the curved part of the knife.
  • the width and the length of the cut strip are determined by the position of the sheet in relation to the knife and more particularly in relation to the curved part of the knife.
  • the correct positioning of the sheet or bundle of sheets is facilitated by marks or graduations of the plate, and as the knife is integral with a part movable in translation parallel to the plate in the direction of the knife, there is preservation of the predetermined positioning of the sheet on the tray and to vary the length of the strip cut by a corresponding translation of the knife.
  • the use is thus facilitated, in particular when cutting successive packets of sheets for a brochure, the knife being moved by a predetermined distance after each cut has been made.
  • the presentation is improved by a regular distribution of the tabs along the sheets, which implies graduated cuts, of a step all the smaller as the number of tabs, corresponding to the number of parts of the brochure is important.
  • the correct positioning of the movable part carrying the knife can be calculated and performed manually, but it is advantageous to use a screw and nut mechanism to move the movable part, associated with a tachometer representing the exact position of the knife.
  • the mechanism can be driven by a motor controlled by a control unit, in particular with a microprocessor, receiving the signal position issued by the tachometer.
  • a keyboard allows the recording of various parameters, in particular the number of tabs necessary for the brochure and the size of the sheets, and the microprocessor automatically calculates the displacement value of the mobile part.
  • Other data in particular the number of sheets of each pack during a cut sheet by sheet and the like, can be stored to facilitate the task of the user.
  • a key controls the advance of a knife step.
  • the counter knife which cooperates with the curved part of the knife is carried by the mobile part associated with the knife and the latter carries a piece for clamping the sheet on the counter knife coming to be applied to the sheet before the knife.
  • a frame 10 of generally parallelepiped shape has on its upper surface a plate 11 for supporting sheets 25, shown in phantom in Figures 2 and 3.
  • a slide 13 for fixing a mobile part 14.
  • the upper face 15 of the mobile part 14 is flush with and extends the plate 11 and at the end of the mobile part 14 is fixed an axis 16 of articulation of a knife 17.
  • the knife 17 of generally rectilinear shape extends parallel to the slide 13 and is capable of struggling in a vertical plane perpendicular to the plate 11.
  • the knife 17 comprises at the end opposite the articulation 16 an operating handle 18 and it cooperates with a counter knife 19 formed by the rim of the upper face 15 of the movable part 14 to cut the edges of the sheets 25.
  • a bar 20 for compressing the sheets 25 is arranged parallel with a knife 17 while being articulated on an axis 21 carried by the fixed frame 10.
  • the compression bar 20 carries at its end opposite to the articulation 21 an operating handle 22.
  • the plate 11 carries pins or removable stops 23 capable of being positioned at predetermined locations 24 to define the exact position of the sheets 25 arranged lengthwise or broadly on the plate 11. Cutters of this kind are well known and allow the edges of the sheets 25 to be cut.
  • the blade of the knife 17 is extended on the side of the handle 18 by a curved portion 26 which projects from the upper face 15.
  • the counter knife 19 is extended by a counter curved knife 27 complementary to the knife curved 26.
  • the curved part 26 is spaced by a distance "d1" from the edge 28 of a sheet 25 arranged lengthwise on the plate 11. It is easy to understand that by placing a sheet 25 so as to extend its longitudinal edge on the side of the knife 17, it is possible to cut by actuating the knife 17 a strip 29, hatched in FIG. 5, of length less than that of the sheet 25.
  • the complementary part 30 of this cut strip 29 forms a tab of length "d1".
  • the width of the cut strip 29 corresponds of course to the projecting part of the sheet 25 and this width is necessarily less than that of the curved part 26 of the knife 17.
  • the knife 17 is carried by a movable part 14.
  • the movement of the mobile part 14 is controlled by a mechanism 33 housed inside the chassis 10.
  • the mechanism 33 comprises a nut 34 secured by a stirrup 35 to the mobile part 14 and screwed on a screw 36 extending parallel to the slide 13.
  • a rotation of the screw 36 which is immobilized longitudinally, causes the nut 34 to be screwed in and a corresponding displacement of the movable part 14.
  • the screw 36 is rotated by a motor 37 via a gear 38 and it carries a tachometer disc 39.
  • This mechanism 33 with screw 36 and nut 34, associated with the tachometer 39 allows precise positioning of the movable part 14 by relative to the plate 11 and thus a cutting of strips of perfectly determined length.
  • the motor 37 in particular electric, is controlled by a microprocessor control unit which also receives the signal from the disc rev counter device 39.
  • the control unit comprises a keyboard 40 making it possible to define a predetermined cutting program.
  • the keyboard 40 includes keys 41 corresponding to the number of tabs that have to be cut to produce the brochure, as well as two keys 42 corresponding to the direction of arrangement of the sheet 25 on the tray 11, in this case in wide or long.
  • a key 43 controls the movement of the mobile part 14 by one step. It is clear that if for aesthetic reasons one wishes to have tabs of the same length distributed over the entire length of the sheet, it is advisable determine the length of these tabs based on the number of tabs and the length of the sheet.
  • the control unit can determine the number of turns of the screw 36 necessary to produce the number of tabs chosen by the actuation of one of the keys 41. It then controls the movement of the movable part 14 step by step on each actuation of the key 43 by turning the screw 36 by a corresponding number of turns. Any manipulation or calculation error is thus avoided and the use of the cutter is notably facilitated.
  • the two keys 42 can be replaced by keys corresponding to the length of the sheet 25 or that the latter can possibly be determined automatically by an optical reader.
  • a counter can be associated with the cutter to cause the displacement of a notch after cutting the predetermined number of sheets corresponding to one of the chapters of the brochure.
  • the use of a microprocessor-based control unit enables other functions to be carried out, in particular display or calculation.
  • the device is particularly simple, and it is possible to design simplified versions without a control unit or even with manual movement of the mobile part 14, these versions being produced from the same basic elements.
  • the cutting of the paper by the curved part 26 can be improved by associating with the knife 17 a support piece 44 elastically mounted to press the sheet 25 on the counter-knife 27.
  • the cutter can of course be equipped with conventional protection devices and be arranged to be used for ordinary cutting of sheets.
  • the knife 17 is in two parts, in this case a large longitudinal blade 50 and a small transverse blade 51.
  • the transverse blade 51 constitutes the curved part 26 of the knife 17 and it extends at right angles to the longitudinal blade 50.
  • the transverse blade 51 is fixed with play in a slot-shaped housing 52 allowing limited movement in the longitudinal direction of the knife.
  • a spring 53 urges the transverse blade 51 in the direction of the counter knife 19 to ensure a clean cut of the sheet.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Knives (AREA)
EP19910420450 1990-12-19 1991-12-16 Massicot de bureau pour réaliser des onglets Expired - Lifetime EP0491633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9016367A FR2670706B1 (fr) 1990-12-19 1990-12-19 Massicot de bureau pour realiser des onglets.
FR9016367 1990-12-19

Publications (2)

Publication Number Publication Date
EP0491633A1 EP0491633A1 (fr) 1992-06-24
EP0491633B1 true EP0491633B1 (fr) 1996-02-28

Family

ID=9403743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910420450 Expired - Lifetime EP0491633B1 (fr) 1990-12-19 1991-12-16 Massicot de bureau pour réaliser des onglets

Country Status (4)

Country Link
EP (1) EP0491633B1 (es)
DE (1) DE69117469T2 (es)
ES (1) ES2086513T3 (es)
FR (1) FR2670706B1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696121B1 (fr) * 1992-09-29 1995-08-25 Louis Mathian Massicot de decoupe d'onglets.
FR2724339B1 (fr) 1994-09-13 1997-04-11 Mathian Louis Massicot de decoupe d'onglets a commande electrique
FR2743324B1 (fr) * 1996-01-10 1998-03-06 Mathian Louis Cisaille de bureau a decoupe d'onglets
FR2835473A1 (fr) * 2002-02-06 2003-08-08 3C Classement Dispositif de decoupe automatique a precision amelioree

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE74425C (de) * P. zinke in München, Bay^rstr. 85 R. G. II Registerbeschneidmaschine
FR389841A (fr) * 1908-05-02 1908-09-19 Buchmann & Waldmeyer Appareil auxiliaire pour machines à découper les feuilles de registres
US1954237A (en) * 1931-08-18 1934-04-10 Edwin L Bosworth Card cutting machine
GB410412A (en) * 1933-11-03 1934-05-17 Fritz Markiewicz An improved method of and apparatus for the production of thumb indexes on books andthe like
US2255812A (en) * 1940-11-14 1941-09-16 Ruth B Rickman Material trimming and cutting device
NL298425A (es) * 1962-10-01 1900-01-01
US4481848A (en) * 1982-06-07 1984-11-13 Takeda Machinery Works Company, Ltd. Corner shear machine
US4819021A (en) * 1987-12-10 1989-04-04 Xerox Corporation Copier on-line variable tab cutter

Also Published As

Publication number Publication date
ES2086513T3 (es) 1996-07-01
DE69117469D1 (de) 1996-04-04
DE69117469T2 (de) 1996-10-02
FR2670706A1 (fr) 1992-06-26
FR2670706B1 (fr) 1995-06-16
EP0491633A1 (fr) 1992-06-24

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