WO2001014108A1 - Appareil de decoupage - Google Patents

Appareil de decoupage Download PDF

Info

Publication number
WO2001014108A1
WO2001014108A1 PCT/JP2000/005534 JP0005534W WO0114108A1 WO 2001014108 A1 WO2001014108 A1 WO 2001014108A1 JP 0005534 W JP0005534 W JP 0005534W WO 0114108 A1 WO0114108 A1 WO 0114108A1
Authority
WO
WIPO (PCT)
Prior art keywords
cut
cutting
blade
restraining
cutting device
Prior art date
Application number
PCT/JP2000/005534
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Kuramochi
Original Assignee
Kubo, Shotaro
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 Kubo, Shotaro filed Critical Kubo, Shotaro
Priority to AU65953/00A priority Critical patent/AU6595300A/en
Publication of WO2001014108A1 publication Critical patent/WO2001014108A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires

Definitions

  • the present invention relates to a cutter suitable for cutting a sheet-like object or a string-like object such as paper, cloth, soft plastic, and somewhat thin hard plastic including cardboard.
  • scissors, cutter knives, openers, and the like have been commonly used as cutting hand tools for cutting sheet-like objects to be cut, such as paper, cloth, and soft plastic.
  • a cutting object main body is provided with a cutting object guide recess which enters inward from the outer periphery of the cutting device body, and the cutting edge is positioned in a narrow portion of the cutting object guide recess.
  • a cutter attached to the blade.
  • the general cutting hand tools such as the iron, the cutter knife, the opening device, and the like have a problem that a technique is required to cleanly cut an object to be cut.
  • the blade is exposed, and there is a problem that it is dangerous for infants to use or touch it, and that there is a danger that even adults may be injured unexpectedly.
  • the objects to be cut are limited, and there is also a problem that cardboard, cloth, hard plastic, and soft plastic cannot be cut or are difficult.
  • the blade in the case of scissors, the blade must be opened and closed many times to cut it, so there is a problem that it takes time to cut the object to be cut.
  • the conventional cutter can substantially prevent the blade from being exposed. It is safe to use, but even if the object to be cut is paper, when the edge of the paper hits the cutting edge of the blade, the area near the edge of the paper is bent so that the edge of the paper escapes from the cutting edge.
  • the present invention has been made in view of such conventional circumstances, and one object of the present invention is to cut not only ordinary paper but also sheet-like cuts of cardboard, cloth, hard and soft plastics, and the like. It is an object of the present invention to provide a cutter which can cut various objects, such as objects or string-shaped objects, very simply, quickly and neatly without requiring any particular technique.
  • a cutting device includes: a cutting device main body; a cutting object guide recess provided in the cutting device main body; A blade attached to the cutter body so that the cutting object is provided on the cutter body, and the cutting object that has been intruded into the cutting object guide recess toward the blade tip is
  • the cutting object restraining means for elastically restraining the cutting object in the thickness direction at least in the vicinity of the cutting edge including a region in front of the cutting edge without hindering the movement of the cutting object.
  • the object to be cut is made to enter the object guide recess, and the object is relatively moved with respect to the cutter in a direction from the entrance side of the object guide recess toward the blade.
  • the object to be cut when the object to be cut penetrates into the object guide recess and is relatively moved with respect to the cutter body, the object to be cut is cut near the cutting edge by the object to be cut restraining means.
  • the object is elastically restrained in the thickness direction, and in this state, the object comes into contact with the cutting edge and is cut.
  • the end of the object to be cut is preferably pressed against the cutting edge of the blade in a state where the object to be cut is constrained in the thickness direction in the vicinity of the cutting edge by the object restricting means. In this state, the contact is made, so that it is possible to prevent the vicinity of the edge of the object to be bent or broken so that the edge of the object escapes from the cutting edge, so that the blade is securely attached to the edge of the object Can be cut.
  • the cutting of the remaining part of the work is easy from the beginning, as described above, and the cutting is also performed in the vicinity of the cutting edge in a state where the work is restrained in the thickness direction by means of the work to be cut, so the remaining part is also cut reliably. Go being.
  • the cutting device of the present invention can be used not only for ordinary paper, but also for cardboard or other cardboard, cloth, soft plastic, or a somewhat thin sheet such as a polycarbonate thin plate, or a sheet-shaped object such as a hard plastic.
  • Various kinds of objects to be cut such as cords and string-shaped objects, can be cut very simply, quickly, and very neatly without any particular skill. Also, it is very safe because the blades can be virtually not exposed.
  • FIG. 3 is a cross-sectional view taken along the line IV-IV in FIG.
  • FIG. 5 is a cross-sectional view taken along line VV of FIG.
  • FIG. 5 is an enlarged sectional view showing a main part of FIG.
  • FIG. 6 is an enlarged cross-sectional view showing the vicinity of a second object to be restrained in FIG.
  • FIG. 6 is an enlarged sectional view showing the vicinity of an end of a groove in FIG.
  • FIG. 7 is an enlarged cross-sectional view corresponding to FIG. 6, and is an enlarged cross-sectional view showing a state where an object to be cut has entered a cut-object guide recess in the embodiment.
  • FIG. 2 is a sectional view taken along line XI-XI in FIG. 1.
  • the cutter body 2 of the cutter 1 is formed by joining casings 3 and 4 as shown in FIGS. 2b, and is entirely flat.
  • the cases 3 and 4 are made of a material having sufficient rigidity such as metal, plastic, ceramic, and wood.
  • the beak-shaped portion 2b of the cutter body 2 has a to-be-cut object guiding recess 5 which enters the inside of the beak-shaped portion 2b from the outer periphery of the tip of the beak-shaped portion 2b toward the grip portion 2a. Is provided.
  • the cut-piece guide 5 has a wide width at the entrance 5a side, but has a narrow width and a linear shape at the deep portion 5b.
  • a blade 6, a blade moving screw 7, and first and second workpiece restraining members 8, 9 are provided between the cases 3, 4. Is housed.
  • the blade 6 has a blade accommodating recess 10 provided on the inner surface side of the cases 3 and 4 and a cutting edge 6a on the inlet 5a side of the workpiece guiding concave portion 5. Is housed so as to be movable in the direction parallel to the cutting edge 6a.
  • the cutting edge 6a intersects a part 5b on the back side of the workpiece guide recess 5, whereby a part of the blade 6a is connected to a back part 5b of the workpiece guide recess 5. positioned.
  • the blade 6 is preferably made of a hard material such as molybdenum steel in order to improve sharpness and durability, and its surface is coated with a low friction material such as fluororesin to reduce frictional resistance. Is preferred.
  • the thickness of the blade 6 is preferably about 0.1 to 0.3 mm. To show the thickness, the thickness of blade 6 is drawn larger than the actual ratio.)
  • the cutting edge 6a of the blade 6 is roughly oriented with respect to the direction of the part 5b on the back side of the workpiece guide recess 5 (this direction will be the traveling direction of the workpiece 11 as will become clear later). When it is tilted by about 45 degrees, it shows the best sharpness for the object 11 to be cut.
  • the blade moving screw 7 is configured to be rotatable around the axis of the screw 7 with respect to the cutter body 2 and to be unable to move in the axial direction. As shown in FIG. 1, a part of the peripheral surface of the head 7 a of the blade moving screw 7 is exposed outside the cutter body 2.
  • the screw portion 7b of the blade moving screw 7 is screwed into a sawtooth-shaped portion 6b provided on the side end opposite to the blade edge 6a of the blade 6, and when the blade moving screw 7 is rotated, The blade 6 moves in the direction parallel to the blade edge 6a as indicated by arrow A in FIG.
  • the first and second cut object restraining members 8 and 9 are members constituting the cut object restraining means in the present embodiment, and each of the metal leaf springs has a thickness of about 0.1 to 0.3. It is contained in the restraining material receiving recesses 12, 18 provided on the inner surface side of the cases 3, 4. Are positioned inside the restraining material accommodating recesses 12 and 18. These first and second cut object restraining members 8 and 9 correspond to the cut object 11. In order to reduce frictional resistance, it is preferable that the surface is coated with a low friction material such as a fluororesin.
  • both ends of the first object-to-be-cut constraining member 8 are formed into hook-shaped portions 8a and 8b by being bent in a hook shape.
  • the intermediate portion of the first object to be cut 8 is curved into an elongated U-shape to form a U-shaped portion 8c.
  • the hook-shaped portions 8 a and 8 b at both ends of the first object-to-be-cut constraining member 8 are hooked around the outer periphery of boss portions 13 and 14 provided integrally with the case 3.
  • One end of the second object to be constrained member 9 is formed into a hook-like portion 9 a by being bent in a hook shape, and the hook-like portion 9 a is a boss provided integrally with the case 3.
  • the other end 9b of the second object to be cut 9 is straight, and is inserted into the insertion groove 16 provided in the cases 3 and 4 for positioning.
  • a U-shaped part 9 c curved to form an elongated U-shape and a loop-shaped part 9 d curved to form almost a loop Are formed.
  • the U-shaped portions 8c, 9c of the first and second cut object restraining members 8, 9 have their side surfaces opposed to each other in a portion 5b on the deep side of the cut object guide concave portion 5. .
  • the side surfaces of the U-shaped portions 8c and 9c are in contact with each other with almost zero pressure. Is preferable.
  • the side surfaces of the U-shaped portions 8c and 9c opposed to each other are parallel to the deep portion 5b of the cut portion guide recess 5.
  • the tips of the U-shaped portions 8c, 9c are shifted back and forth along the cutting edge 6a of the blade 6.
  • the first and second workpiece restraining members 8, 9 are, as described above, As the hook-shaped parts 8a, 8b, 9a are hooked on the boss parts 13, 14, 15, 15, the elastic deformation of the cut-piece restraining members 8, 9, as will be described later in detail, It is attached to the cutter main body 2 so as to be slightly movable in the direction parallel to the part 5b on the back side of the object guide recess 5 (the traveling direction of the object 11 described later) (the movable range is For example, about 0.5 mm is sufficient).
  • Each of the U-shaped portions 8c and 9c of the workpiece restraint members 8 and 9 is provided with a respective slit 17 into which the cutting edge 6a of the blade 6 and its vicinity enter. are doing.
  • the U-shaped portions 8c and 9c are present on both sides of the blade 6 and before and after the blade edge 6a.
  • the width of the slit 17 is preferably about 0.12 to 0.32 strokes.
  • linear grooves 19 are provided on the extension line of the part 5 b on the far side of the object guide concave portion 5. As shown in FIGS. 5 and 8, the depths of these grooves 19 are such that they are flush with both side surfaces of the blade 6 at the end of the workpiece guide recess 5 at the entrance 5a side. It is formed so as to be the deepest and shallower toward the opposite end, so that it is flush with the outer surfaces of the cases 3 and 4. As a result, in the cross sections of FIGS. 5 and 8, the bottom of the groove 19 has a wedge shape.
  • the cutter 1 has, for example, a gripper 2a with one hand and a sheet-like object 11 of paper, cloth, hard or soft plastic with the other hand, and FIGS. 9 and 10 As shown in the figure, the object to be cut 11 is made to enter the object-guiding recess 5, and is directed from the entrance 5 a side of the object-guiding recess 5 to the blade 6. Side part 5b and the groove 19 in the direction parallel to the cutter 1 in the direction indicated by the arrow C in FIG. 10). The operation allows the object 11 to be cut quickly.
  • the second object-binding material 9 is elastically deformed very flexibly.
  • the object 11 enters between the side surfaces of the U-shaped portions 8 c and 9 c of the first and second object restraining members 8 and 9,
  • the workpiece restraint members 8 and 9 are caught by the bosses 13, 14, and 15 because the workpiece 11 receives the force in the direction of movement of the workpiece 11 (the direction of arrow C).
  • the first and second cut-piece restraining members 8, 9 are slightly reduced by elastically deforming the hook-shaped parts 8a, 8b, 9a of the cut-piece restraining members 8, 9 so as to spread.
  • the object 1 moves in the direction of travel.
  • the first and second objects are cut near the end of the object 11 on both sides of the blade 6 and near the cutting edge 6a.
  • the end of the object 11 contacts the cutting edge 6a, and the cutting edge 6a is cut into the end.
  • the object is cut.
  • Cutting of the rest of 1 1 is easy. Therefore, what is most important for cutting the object 11 well is the state at the time when the end of the object 11 comes into contact with the blade 6 for the first time.
  • the edge of the object comes into contact with the cutting edge, if the edge of the object escapes from the cutting edge, the cutting into the edge of the object fails. The rest of the can not be cut.
  • the end of the cut object 11 is a blade 6.
  • the blade 6 can be reliably cut into the end of the object 11.
  • the remaining part of the workpiece 11 is easy to cut from the beginning as described above, and is also restrained in the thickness direction on both sides of the blade 6 and near the cutting edge 6a by the workpiece restraining members 8 and 9 as well.
  • the cutting is performed in a state where the cutting is performed, the remaining portion is also surely cut, and the cutting of the object to be cut 11 is completed, and the object to be cut 11 is the first and second objects to be cut.
  • the first and second cut object restraining members 8, 9 return from their original shapes, due to their elasticity, they return to their original positions.
  • the cutter 1 can also cut a string-shaped object very finely in the same manner.
  • the cutter 1 can be used not only for ordinary paper, but also for cardboard, cloth, soft plastic, or a somewhat thin material such as a polycarbonate sheet, or a sheet-like material 1 such as a hard plastic.
  • Various types of objects to be cut such as one or a string-shaped object to be cut, can be cut very simply, quickly, and very neatly without any particular skill.
  • the blade 6 can be substantially prevented from being exposed, which is very safe.
  • the groove 19 since the groove 19 is provided, the The part cut into two pieces is guided by the bottom of the groove 19 and proceeds, so that the part cut into two is caught by the cutter 1 body and the object to be cut 1 1 There is no hindrance to cutting.
  • the blade moving screw 7 is rotated in a predetermined direction, and the blade 6 is moved in a direction parallel to the blade edge 6a, so that a new blade edge 6a is formed.
  • the portion can be positioned in the workpiece guide recess 5 and the sharpness of the blade 6 can be restored.
  • the shapes of the object-restricted members 8 and 9 are not limited to the shapes in the above-described embodiment.
  • the first and second cut object restraining members 8 and 9 can be moved in the traveling direction of the cut object 11 as a whole within a certain range with respect to the cutter main body 2.
  • the first and second objects to be cut 8 and 9 can be moved in the traveling direction of the object 11 within a certain range with respect to the cutter body 2 as in this embodiment, In the process in which the first and second workpiece restraining members 8 and 9 move toward the cutting edge 6 a while holding the workpiece 11, the end of the workpiece 11 contacts the blade 6. Since the blade 6 can be cut into the end of the object 11 in a state where the object 11 is restrained more reliably, the object 1 can be further improved. 1 can be cut.
  • the object-to-be-cut restraining means is constituted by the two objects-to-be-cut restraining members 8 and 9.
  • the inelastic binding portion which does not elastically deform (the inelastic binding portion Can be composed of, for example, the cutting device body 2 or another member having no elasticity supported by the cutting device body 2) and the object-to-be-cut restraint member facing the inelastic restraining portion.
  • An object to be cut may be configured.
  • the workpiece restraint is provided only on one side, and the workpiece is
  • the cut object 11 that has been made to enter the cut object guide recess 5 enters between the inelastic restraining portion and the cut object restraining member, and only the cut object restraint member is in the inelastic restraint.
  • the object 11 is elastically deformed so as to be separated from the portion, so that the object 11 is elastically sandwiched between the inelastic restraining portion and the object restraining member, and is bound in the thickness direction.
  • Well is ,.
  • the cut object restraining members 8 and 9 are constituted by leaf springs.
  • the cut object restraining members are constituted by springs other than leaf springs such as linear springs. May be.
  • the object-constraint restraint may be made of a material having rubber elasticity such as rubber or thermoplastic elastomer instead of a spring.
  • the object-to-be-cut restraint member may be configured not only by the elastic member as in the above-described embodiment but also by a combination of an elastic member and a non-elastic member.
  • various materials such as plastic and ceramic can be used in addition to the material having metal and rubber elasticity. It is preferable to coat a low-friction material such as a fluorine resin on a portion that comes into contact with the workpiece in order to reduce frictional resistance.
  • the linear blade 6 is used, but in the present invention, a non-linear blade such as a round blade may be used.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)

Abstract

L'invention porte sur un système de découpage non seulement du papier mais également de différents produits en feuille ou en tresse tels que le carton, les tissus, les plastiques durs et mous, et cela facilement et rapidement sans requérir de technique spéciale. Ledit système comporte: un canal d'introduction en retrait (5), une lame (6) une buté d'objet (8, 9) disposés sur un corps principal (2). L'objet à découper (11), tenu à la main, est introduit dans le canal d'introduction (5), puis déplacé par rapport à l'appareil de découpage (1), puis mis en contact avec l'extrémité (6a) de la lame, et découpé après avoir été arrêté élastiquement par la buté (8, 9) à proximité de l'extrémité de la lame (6a) dans le sens de l'épaisseur.
PCT/JP2000/005534 1999-08-25 2000-08-18 Appareil de decoupage WO2001014108A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU65953/00A AU6595300A (en) 1999-08-25 2000-08-18 Cutting apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/237746 1999-08-25
JP23774699A JP2001062162A (ja) 1999-08-25 1999-08-25 切断器

Publications (1)

Publication Number Publication Date
WO2001014108A1 true WO2001014108A1 (fr) 2001-03-01

Family

ID=17019868

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/005534 WO2001014108A1 (fr) 1999-08-25 2000-08-18 Appareil de decoupage

Country Status (3)

Country Link
JP (1) JP2001062162A (fr)
AU (1) AU6595300A (fr)
WO (1) WO2001014108A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408227A (en) * 2003-11-22 2005-05-25 George Ernest Dunning A cutting device provided with a holding means
EP2010361A2 (fr) * 2006-04-21 2009-01-07 3M Innovative Properties Company Dispositif de coupage de support renforce
US8006390B2 (en) 2006-04-21 2011-08-30 3M Innovative Properties Company Media cutting and ribbon curling device
US8171647B2 (en) 2005-04-22 2012-05-08 3M Innovative Properties Company Cutting device with actuating mechansim
US8176640B2 (en) 2005-04-22 2012-05-15 3M Innovative Property Company Media cutting device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5431093B2 (ja) * 2009-09-29 2014-03-05 有限会社ライテックス 平面状及び折り返し重合状紙葉類の切断具
JP2020081728A (ja) * 2018-11-30 2020-06-04 ブラザー工業株式会社 ミシン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63143280U (fr) * 1987-03-07 1988-09-21
JPH0668678U (ja) * 1993-03-08 1994-09-27 良益 八木 液体パック開封カッター
JPH072095U (ja) * 1993-06-08 1995-01-13 道夫 渡邉 封書開封具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63143280U (fr) * 1987-03-07 1988-09-21
JPH0668678U (ja) * 1993-03-08 1994-09-27 良益 八木 液体パック開封カッター
JPH072095U (ja) * 1993-06-08 1995-01-13 道夫 渡邉 封書開封具

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408227A (en) * 2003-11-22 2005-05-25 George Ernest Dunning A cutting device provided with a holding means
US8171647B2 (en) 2005-04-22 2012-05-08 3M Innovative Properties Company Cutting device with actuating mechansim
US8176640B2 (en) 2005-04-22 2012-05-15 3M Innovative Property Company Media cutting device
EP2010361A2 (fr) * 2006-04-21 2009-01-07 3M Innovative Properties Company Dispositif de coupage de support renforce
EP2010361A4 (fr) * 2006-04-21 2010-06-02 3M Innovative Properties Co Dispositif de coupage de support renforce
EP2316622A1 (fr) * 2006-04-21 2011-05-04 3M Innovative Properties Co. Dispositif de coupage de support renforcé
US8006390B2 (en) 2006-04-21 2011-08-30 3M Innovative Properties Company Media cutting and ribbon curling device

Also Published As

Publication number Publication date
JP2001062162A (ja) 2001-03-13
AU6595300A (en) 2001-03-19

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