JP2007190751A - Paper-made staple, document binding apparatus and document binding method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable to surely bind documents without using an adhesive and to facilitate recycling of the documents. <P>SOLUTION: Notch lines 17 and 17 for cutting up a hooking piece are provided on an upper half part 14 which is a narrow width part of a convex shape paper-made staple 9, and on the other hand, a hooking hole 19 is opened on a lower half part 15 which is a wide width part. A clinch device 26 is equipped with a clincher body 27 provided on the paper-made staple 9 side so as to be movable back and forth and turnable, and a pushing member 30 movable up and down for pushing up a curved part of the upper half part 14. On the side face of the clincher body 27, curvature forming members 28 and 29 for pinching the upper half part 14 and curving it into an approximately U-shape are extended. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper staple, a document binding apparatus, and a document binding method, and more particularly, a paper staple, a document binding apparatus, and a document binding, in which an upper half of a paper staple is driven into a document to bind the document. It is about the method.

  Conventionally, since staples (needles) are made of metal, when cutting a document bound with metal staples with a shredder, if the paper is cut with the staples attached, the blade of the shredder may be damaged. is there. In addition, due to increased awareness of global environmental conservation, activities to recycle discarded documents from offices and the like have become widespread, and the number of users removing needles to separate documents and needles at the time of disposal is increasing.

  For example, the needle removal can be easily performed by using a dedicated remover or the like, but the dedicated remover attached to the staple is difficult to remove at a time and requires a lot of labor for the needle removal operation. In addition, since the tip of the metal staple is sharp, considerable care must be taken in handling the staple during work.

In view of this, some apparatuses have been developed in which staples are produced from a paper material and the paper staples are passed through a document and bound. This apparatus comprises means for making a grooved punching hole at a desired location of a document, and means for feeding an adhesive tape to the punching hole and cutting at a predetermined location. It is comprised so that it may affix and bind on the side (refer patent document 1).
JP 2004-34640 A

  According to the prior art described in Patent Document 1, since the paper staples are pasted using an adhesive, there is a problem in that it is troublesome to remove the paper staples when it is necessary to remove the paper staples. there were. Further, since the pressure-sensitive adhesive has a strong adhesive force, there is a drawback in that the paper material recycling operation cannot be efficiently performed because the strong adhesive force interferes with the document recycling operation.

  Therefore, a technical problem to be solved in order to be able to satisfactorily bind a document without using an adhesive and to be able to recycle the document without hindrance arises. It aims to solve.

  The present invention has been proposed to achieve the above object, and the invention according to claim 1 is a paper staple for binding a document, and the paper staple is formed in a substantially convex shape. In addition, the upper half portion of the paper staple is provided with a cut line for raising the latching piece, and the lower half portion has a horizontally long engagement hole that allows the upper half portion to be inserted. Provided is a paper staple formed by being opened.

  According to this configuration, the upper half of the paper staple is disposed on the front surface side (upper surface side) of the document, and the lower half of the paper staple is disposed on the rear surface side (lower surface side) of the document end. The upper half is driven with a through hole formed in the document and the lower half. After that, by curving the upper half in a substantially U shape, the tip of the upper half is inserted into the engaging hole in the lower half, and the retaining piece is cut along the cut line in the upper half. Wake up. This latching piece protrudes on the opposite side to the bending direction and is close to the lower surface of the edge of the through hole in the lower half.

  Thereafter, when the curved portion of the upper half is pushed up to the lower surface side of the lower half, the leading end of the upper half is hooked to the hooking hole edge of the lower half, and the hooking piece is Hang on the part. Thereby, the front-end | tip part of an upper half part and a latching piece are elastically contacted with the upper surface of the engaging hole edge part of a lower half part, and the lower surface of a through-hole edge part, respectively.

  According to a second aspect of the present invention, there is provided a document binding apparatus for binding a document using the paper staple according to the first aspect, wherein the intermediate portion is inserted by pushing an intermediate portion of the paper staple at an end portion of the document. A staple setting member that is set so that the upper half and the lower half of the paper staple are positioned on the front side and the back side of the end of the document, respectively, and the set paper A lower half portion of the staple and a blade edge portion for punching out a document from the lower side; and a staple locking hole formed on a lower side of the blade edge portion; A punching member for locking the half and pulling it out to the lower half of the paper staple, and the upper half curved in a substantially U shape with the upper half of the paper staple pulled out A pair of movable curved forming members to be moved, and the curved paper stay A clincher device having a push-in member that pushes up the upper half of the lug, and after cutting the latch piece along the cut line of the upper half during the bending, the latch piece is There is provided a document binding apparatus configured to be hooked on a lower surface of a punching edge and configured to be hooked on an upper surface of a hooking hole edge of the lower half.

  According to this configuration, first, a paper staple is disposed in the vicinity of the front of the slit portion of the staple setting member, and the intermediate portion of the paper staple is pushed toward the slit portion at the end of the document, so that the end of the document and the paper Insert the middle part of the staples into the slit part. Thus, the paper staple is set in a state of being bent in a substantially U shape (including a substantially U shape) so that the upper half and the lower half of the paper staple are located on the front side and the back side of the end of the document, respectively. Is done.

  Next, the punching member is raised, and the lower half of the paper staple and the document are punched from the lower side at the cutting edge of the punching member to form a through hole, and the upper half is formed in the locking hole on the lower side of the cutting edge. Lock the part. Thereafter, when the punching member is lowered, the upper half portion of the paper staple together with the punching member passes through the document and the through hole of the lower half portion, and is drawn down to the lower surface side of the lower half portion.

  Subsequently, the pair of curve forming members of the clincher device is advanced to the upper half side of the drawn paper staple, and the upper half is sandwiched between the pair of curve forming members. ) Is rotated around the other curve forming member. As a result, the upper half is bent and deformed in a substantially U shape toward the engagement hole, and the tip of the upper half is inserted into the engagement hole in the lower half, and the upper half is cut along the cut line of the upper half. The stop piece is cut and raised so that the stop piece comes close to the lower surface of the lower half edge of the through hole.

  Next, after separating the pair of curve forming members from the upper half of the paper staple, the push-in member is raised to push up the substantially U-shaped curve of the upper half. As a result, the tip of the upper half part is hooked in a state of elastic contact with the upper surface of the edge of the engaging hole, and the hooking piece is hooked in a state of elastic contact with the lower surface of the edge of the through hole.

  The invention of claim 3 is a document binding method using the paper staple of claim 1 and the document binding apparatus of claim 2, wherein the paper staple is disposed in front of the staple setting member, and The middle portion of the paper staple is pushed into the slit portion at the end of the document so that the upper half and the lower half of the paper staple are positioned on the front side and the back side of the end of the document, respectively. And after punching out the lower half of the set paper staple and the document from the lower side with the blade edge part of the punching member, the paper is inserted into a locking hole provided on the lower side of the blade edge part. A step of engaging the upper half of the staple made of paper, and pulling out the upper half of the paper staple to the lower side of the lower half of the paper staple; and the upper half of the paper staple made of a pair of curve forming members The pair of bending members sandwiched between them By curving in a substantially U shape, the top end of the upper half is inserted into the engaging hole in the upper half and the latching piece is cut along the cut line provided in the upper half. And the upper half of the curved paper staple is pushed up by a pushing member so that the hooking piece is hooked on the lower surface of the punched hole edge of the lower half and the tip of the upper half A document binding method in which a document can be bound by the paper staple by executing each of the above steps. provide.

  According to this configuration, the paper staple is disposed near the front of the slit portion, the intermediate portion of the paper staple is pushed by the end portion of the document, and the end portion of the document and the intermediate portion of the paper staple are placed in the slit portion. Insert into. Thus, the upper half portion of the paper staple is set so as to be positioned on the surface side of the end portion of the document. Next, the lower half portion of the paper staple and the document are punched from the lower side at the blade edge portion of the punching member to form a through hole, and the upper half portion is locked in the locking hole on the lower side of the blade edge portion. Thereafter, when the punching member is lowered, the upper half portion passes through the document and the through hole in the lower half portion and is pulled out to the lower surface side of the lower half portion.

  Subsequently, the pair of curve forming members of the clincher device are advanced to sandwich the upper half portion between the pair of curve forming members, and one curve forming member (the one closer to the engaging hole) is attached to the other curve forming member. By turning it around, the upper half is bent into a substantially U shape, the tip of the upper half is inserted into the engaging hole in the lower half, and the latching piece is cut along the cut line. Raise it and bring it close to the bottom surface of the through hole edge.

  Next, after retracting the pair of bending forming members, the pushing member is raised to push up the bending portion of the upper half. As a result, the top end portion of the upper half is elastically engaged with the upper surface of the edge of the engagement hole, and the engagement piece is elastically contacted with the lower surface of the edge of the through hole. Thus, with the upper half of the paper staple returning from its curved shape to a substantially flat shape, the leading end of the upper half of the paper staple and the latching piece are engaged with the lower half of the paper staple. The hole edge part upper surface and the through hole edge part lower surface are hooked by elastic contact with each other from opposite directions.

  The invention according to claim 1, after the upper half of the paper staple is driven into the document and the lower half, the top end of the upper half and the upper surface of the engaging hole edge portion of the lower half, Since it is latched and fixed to the bottom surface of the edge of the through hole in an elastic contact state, the document can be firmly and stably bound without using an adhesive. Further, when the document is recycled, the paper resource can be cut with a shredder without removing the paper staples from the document, so that the paper resource can be recycled easily and quickly. Furthermore, the paper staples can be easily removed from the document when necessary.

  According to the second aspect of the present invention, by bending the upper half of the paper staple with the curve forming member toward the engagement hole side, the upper end of the upper half and the engagement piece are respectively the upper surface of the edge of the engagement hole. Since it is hooked to the lower surface of the edge of the through hole in an elastic contact state, it is possible to securely and firmly clinch paper staples without using an adhesive, and to bind the document according to the present invention. The apparatus has a simple configuration and can be mass-produced at low cost.

  In the invention according to claim 3, after the paper staple is half-wound around the end of the document, the top end of the upper half of the paper staple, and the upper end of the hook hole edge of the lower half, Since the paper staples can be firmly clinched by hooking them on the lower surface of the edge of the through hole in opposite directions from each other, the document can be securely bound without using an adhesive, and A new document binding method that can easily recycle paper materials is obtained.

  The present invention provides a paper staple for binding a document for the purpose of reliably binding a document without using an adhesive and facilitating quick and easy recycling of the document. The staples are formed in a substantially convex shape, and the upper half of the paper staples is provided with a cut line for raising the latching pieces, and the lower half is provided with the upper half. This is achieved by using a paper staple having a horizontally long engagement hole that allows insertion.

  In the document binding method according to the present invention, the paper staple is disposed in front of the staple setting member, and an intermediate portion of the paper staple is pushed into the slit portion at an end portion of the document, thereby the paper staple. A step of setting the upper half and the lower half of the paper to be located on the front side and the back side of the end of the document, and a punching member for the lower half of the set paper staple and the document from the lower side. After punching with the blade edge portion, the upper half portion of the paper staple is locked in the locking hole on the lower side of the blade edge portion, and the upper half portion is pulled out below the lower half portion of the paper staple. The upper half of the upper half by bending the pair of curved forming members in a substantially U-shape by sandwiching the upper half of the drawn paper staple between the pair of curved forming members. Is inserted into the engaging hole of the upper half and the upper half The process of raising the latching piece along the lead-in line, and the upper half of the curved paper staple is pushed up by the pushing member, so that the latching piece is latched on the lower surface of the punched hole edge of the lower half And the step of latching the top end of the upper half part on the upper surface of the engaging hole edge of the lower half part, thereby achieving the above object.

  Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS. In this embodiment, a punching machine 20 is used, which is provided with a punching member 22 having a staple locking hole 25 in front of a staple setting member 21 having a slit portion 23 having a substantially U-shaped cross section on the front surface. The upper half portion 14 is suspended from the back side of the lower half portion 15 by pulling the upper half portion 14 of the paper staple 9 through the document P and the lower half portion 15 and penetrating it.

  When clinching, the upper half part 14 is sandwiched between the curve forming members 28, 29, and the curve forming members 28, 29 are reversed and moved to the engagement hole 19 side in this state, so that the upper half part By curving 14 in a substantially U shape, the tip of the upper half 14 is inserted into the engagement hole 19. Next, after the bending members 28 and 29 are separated from the upper half portion 14, when the bending portion 30 is pushed up by the pushing member 30, the latching pieces 18 and 18 are moved along the cut lines 17 and 17. It is cut and raised and hooked to the edge of the through hole 11, and the tip of the upper half 14 is hooked to the edge of the hooking hole 19. Thus, the curved upper half 14 returns to a substantially flat shape, and the latching pieces 18, 18 and the upper half 14 are on the lower edge of the through hole 11 and the upper edge of the hook 9, respectively. It will be clinched by elastic contact.

  In this embodiment, the movable drive mechanism, the rotational drive mechanism, and the lift drive mechanism of each movable member are used to perform staple forward feeding, cutting, staple pulling, clinching, and the like at a predetermined timing related to the staple driving operation and the like. Etc. (not shown) are provided, but as these drive systems, a drive system using a cam, a link, a spring, an electromagnet or the like can be adopted as appropriate.

FIG. 1 is a block diagram showing the overall configuration of a paper stapling document binding apparatus 1. The document binding apparatus 1 is capable of driving a sheet storage unit 2 in which staple sheets 8 made of paper material are stored, a transfer unit 3 that sequentially feeds the staple sheets 8 at a constant pitch, and a stapled staple sheet 8 that has been fed forward. The shearing section 4 for cutting the strip-shaped paper staple 9, the driving section 5 for penetrating one side portion of the paper staple 9 into the document P, and the clincher section 6 for clinching the paper staple 9 are roughly configured. In the sheet storage unit 2, a predetermined number of staple sheets 8 are stacked and stored as an example, and the staple sheets 8 are sequentially fed to the shearing unit 4 side by a predetermined step by the transfer unit 3. It should be noted that a long staple sheet 8 wound in a roll shape may be fed forward. As the staple sheet 8, as shown in FIG. 2, paper staples 9 that are vertically adjacent to each other in the vertical direction are connected to each other via a narrow width portion 12, or as shown in FIG. Alternatively, paper staples 9 adjacent to each other on the left and right sides may be connected via the narrow width portion 12. As shown in FIG. 4, the paper staples 9 may be directly connected to each other without a narrow portion, but it is preferable to form a perforation 13 or a cut line in the continuous portion.

  Although not shown, the shearing unit 4 includes a cutting table on which the staple sheet 8 is placed, and a shearing blade that can be raised and lowered at an upper position on the front end side of the cutting table. 8 continuous portions are cut and separated to obtain a paper staple 9 having a predetermined size. The paper staple 9 is sent to an upright state capable of being driven into the driving unit 5 via a guide member (not shown), and is driven into the document P by a driving machine 20 described later.

  Here, the paper staple 9 has a substantially convex shape, and as shown in FIG. 5, the upper half 14 which is a narrow portion, the lower half 15 which is a wide portion, the upper half 14 and the lower half. It comprises a trapezoidal intermediate portion 16 provided between the portions 15. Two vertically long substantially U-shaped cut lines 17 and 17 are provided side by side at predetermined positions of the upper half portion 14, and the upper half portion 14 is curved in a substantially U shape so that FIG. As shown, substantially U-shaped latching pieces 18, 18 are cut and raised along the cut lines 17, 17.

  Further, a rectangular hooking hole (square window) 19 that is long in the lateral direction is opened in the lower half portion 15 of the paper staple 9. The lateral width of the hooking hole 19 is set to be slightly larger than the lateral width of the front end portion of the upper half portion 14 of the paper staple 9. Therefore, after the upper half portion 14 of the paper staple 9 is passed through the document P and the lower half portion 15, the upper half portion 14 is bent toward the engagement hole 19 so that the tip end portion of the upper half portion 14 is engaged with the engagement hole. 19 is inserted.

  The driving unit 6 includes a driving machine 20, and as shown in FIG. 7, the driving machine 20 includes a longitudinally long staple set member 21 in which a slit 23 having a U-shaped longitudinal section is formed on the front surface in the horizontal direction. And a punching member 22 disposed in front of the staple setting member 21 so as to be movable up and down. The vertical width and depth of the slit portion 23 are set to be larger than the total dimension of the thickness when the paper staple 9 is bent in a substantially U shape and the thickness of the document P. Therefore, when the intermediate portion 16 of the paper staple 9 is pushed and bent toward the slit portion 23 at the end portion of the document P, the bent end portion and the end portion of the document P are in the slit portion 23 as shown in FIG. Is held in the inserted state.

  The punching member 22 has a substantially V-shaped cutting edge portion 24 at an upper end portion, and a square locking hole 25 is formed on the lower side of the cutting edge portion 24. As the punching member 22 is raised, the blade edge portion 24 punches the lower half portion 15 of the paper staple 9 and the document P, and the through hole 10 and the through hole are formed in the lower half portion 15 and the document P as shown in FIG. 11 is opened sequentially.

  Thereafter, the upper half portion 14 of the paper staple 9 is hooked and locked in the locking hole 25 of the punching member 22 while the punching member 22 reaches the rising end. When the punching member 22 is lowered, the upper half portion 14 of the paper staple 9 sequentially passes through the through hole 11 and the through hole 10 and reaches the lower surface side of the lower half portion 15 of the paper staple 9 (see FIG. 11, see FIG.

  A clincher portion 6 is provided in the vicinity of the driving portion 5, and a clincher device 26 constituting the clincher portion 6 includes a substantially rectangular parallelepiped clincher main body 27 provided to be able to approach and separate from the upper half portion 14 in the driving state. And a pair of curve forming members 28 and 29 are provided on one side surface of the clincher main body 27. A pushing member 30 is provided below the pair of curve forming members 28 and 29 so as to be movable up and down, and the pushing member 30 is located directly below the paper staple 9. The clincher main body 27 is configured so as to be able to rotate about the curve forming member 29 as a central axis.

  The length of the pair of curve forming members 28 and 29 is set to be larger than the left and right width (the dimension width in the W direction in FIG. 5) of the upper half portion 14 of the paper staple 9. In the illustrated example, the pair of curve forming members 28 and 29 are formed in a substantially circular cross section, but both or one of the pair of curve forming members 28 and 29 may be formed in other appropriate shapes. it can. The curve forming member 28 and the curve forming member 29 are disposed so as to be disposed on one side and the other side of the upper half 14 in the suspended state, respectively (see FIG. 13).

  By advancing the clincher main body 27 toward the paper staple 9 side, the upper half portion 14 of the paper staple 9 is sandwiched between the pair of curve forming members 28 and 29. Thereafter, by turning one curve forming member 28 around the other curve forming member 29, the upper half portion 14 is bent and deformed in a substantially U shape, and the tip end portion of the upper half portion 14 is engaged with the engagement portion. It is inserted into the hole 19. At this time, the latching pieces 18, 18 are cut and raised along the cut lines 17, 17, and the latching pieces 18, 18 are close to the lower surface of the edge of the through hole 10 in the lower half 15 (including abutment). To do.

  The push-in member 30 is lifted to push up the curved portion of the upper half portion 14 after the clincher main body 27 is retracted to the original position in a state where the leading end portion of the upper half portion 14 of the paper staple 9 is inserted into the engaging hole 19. Driven. As a result, the front end portion of the upper half portion 14 is hooked on the upper surface of the edge portion of the hooking hole 19, and the hooking pieces 18, 18 are hooked on the lower surface of the edge portion of the through hole 11.

  Next, the case where the document P is bound with the paper staple 9 will be described in detail with reference to FIGS. First, the paper staple 9 is set on the front surface side of the staple setting member 22. In this case, the paper staple 9 is set so that the upper half portion 14 of the paper staple 9 is positioned on the upper surface side (front surface side) of the document P (see FIG. 7).

  Thus, one end of the document P is pressed against the front side surface (the surface opposite to the staple setting member 21) of the intermediate portion 16 of the paper staple 9, and the paper P together with the paper staple 9 is placed in the slit portion 23. The paper staple 9 is wound around one end of the document P in a substantially U-shaped half-turn state so that the upper half 14 and the lower half 15 of the paper staple 9 face the front and back surfaces of the document P (see FIG. 8).

  Thereafter, the lower half portion 15 of the paper staple 9 is lifted from the lower side thereof, and the lower half portion 15 of the paper staple 9 and the document P are punched out in a skewered manner. The through hole 10 and the through hole 11 are sequentially formed in the document P (FIG. 9).

  Thereafter, as the blade edge portion 24 is further raised, the upper half portion 14 of the paper staple 9 hits the side surface of the blade edge portion 24 and curves upward, but the upper end portion of the upper half portion 14 has a locking hole for the punching member 22. When 25 reaches, the upper half part 14 enters the locking hole 25 and the upper half part 14 faces the surface of the document P (FIG. 10).

  Then, when the punching member 22 is lowered while the upper end portion of the upper half portion 14 of the paper staple 9 has entered the locking hole 25, the tip end portion of the upper half portion 14 passes through the through holes 11, 10. (Fig. 11). Subsequently, when the upper half portion 14 of the paper staple 9 is completely pulled out to the lower surface side of the lower half portion 15 by the punching member 22, the upper half portion 14 is suspended from the document P (FIG. 12). .

  Next, the clincher main body 27 advances toward the upper half 14 of the paper staple 9, and the upper half 14 is inserted between the pair of curve forming members 28 and 29 (FIG. 13). Next, the left curve forming member 28 is rotated about 180 ° toward the slit portion 23 around the right curve forming member 29 in FIG. Then, the upper half part 14 is wound along the lower peripheral surface of the curve forming member 29 and curved in a substantially U shape, and the leading end of the curved part is a hooking hole of the lower half part 15 of the paper staple 9. 19 (FIG. 14). At this time, as shown in FIG. 6, the latching pieces 18, 18 are cut and raised along the cut lines 17, 17, and the latching pieces 18, 18 are closely opposed to the lower surface of the edge of the through hole 11. .

  Thereafter, the clincher main body 27 is retracted from the paper staple 9, the pair of curve forming members 28 and 29 are separated from the upper half portion 14, and the pushing member 30 is raised instead. Then, the pushing member 30 pushes up the substantially U-shaped curved part of the upper half part 14 (FIG. 15). As a result, the latching pieces 18 and 18 are pushed to the left side in the drawing along the lower surface of the edge of the through hole 11, and the tip of the upper half portion 14 extends along the upper surface of the edge of the hooking hole 19. It is pushed right inside.

  In this case, since the curved portion elastically returns to a substantially flat shape, the front end portion of the upper half portion 14 and the latching pieces 18 and 18 are respectively the upper surface of the edge of the engagement hole 19 and the lower surface of the edge of the through hole 11. It is clinched by elastic contact with moderate pressure. Thereafter, the pushing member 30 is returned to the original position, and the document P is separated from the slit portion 23. Thus, as shown in FIGS. 16 and 17, the document P is reliably bound in a stable and good state.

  As described above, the paper staple 9 has the upper half 14 and the lower half 15 of the paper staple 9 facing the front and back surfaces of the end of the document P, and the upper half 14 of the document P and the lower half 15. After that, the latching pieces 18 and 18 formed by bending the upper half part 14 are latched to the edge of the through hole, and the tip of the upper half part 14 is latched to the edge of the latching hole 19. It is something to be made.

  Therefore, the tip end portion of the upper half portion 14 and the latching pieces 18 and 18 are respectively latched in an elastic contact state with the upper surface of the edge portion of the engagement hole 19 and the lower surface of the edge portion of the through hole 10 of the lower half portion 14. The paper P can be easily and reliably bound with the paper staples 9 without using any adhesive. Further, when the document P is recycled, the paper P can be cut by a shredder without removing the paper staple 9 from the document P. Furthermore, since no adhesive is used, the paper staple 9 can be easily removed when necessary.

  The present invention can be variously modified without departing from the spirit of the present invention, and the present invention naturally extends to the modified one.

1 is a block diagram showing the overall configuration of a document binding apparatus according to an embodiment of the present invention. FIG. 3 is a perspective view showing a longitudinally connected type staple sheet according to the present invention. FIG. 3 is a perspective view showing a laterally connected type staple sheet according to the present invention. FIG. 3 is a perspective view showing a perforated laterally connected type staple sheet according to the present invention. The perspective view explaining the whole structure of the paper staple which concerns on one Example, a drive-in part, and a clincher part. The perspective view which shows the state which curved and raised the latching piece by curving the upper half part of the paper staples concerning one Example. Sectional drawing which shows the state before pushing a paper staple same as the above into a slit part. Sectional drawing which shows the state which pushed the paper-made staples same as the above into the slit part. Sectional drawing which shows the state which forms a through-hole with a punching member in the lower half part and paper document of the same as the above. Sectional drawing which shows the state which hooked the upper half part of the paper staples in the square hole of the punching member same as the above. Sectional drawing which shows the state in the middle of pulling out the upper half part of paper staples by the punching member same as the above. Sectional drawing which shows the state after pulling out the upper half part of paper staples by the punching member same as the above. Sectional drawing which shows the state which pinched | interposed the upper half part of the paper staples same as the above by the curve formation member. Sectional drawing which shows the state which curves the upper half part of the paper staples same as the above. Sectional drawing which shows the state which pushes in the upper half part of the paper staples same as the above. The perspective view which shows the surface side of the document bound with the paper staples same as the above. The perspective view which shows the back surface side of the document bound with the paper staples same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Document binding apparatus 2 Sheet storage part 3 Transfer part 4 Shearing part 5 Punching part 6 Clincher part 8 Staple sheet 9 Paper staple 10 Through hole 11 Through hole 12 Narrow part 13 Perforation 14 Upper half part 15 Lower half part 16 Middle Section 17 Cutting line 18 Stopping piece 19 Engagement hole 20 Driving machine 21 Staple setting member 22 Punching member 23 Slit part 24 Cutting edge part 25 Locking hole 26 Clincher device 27 Clincher main body 28 One curve forming member 29 The other curve forming member 30 Pushing member P Document

Claims (3)

  A paper staple for binding documents, the paper staple being formed in a substantially convex shape, and a cut line for raising a latching piece in the upper half of the paper staple The paper staple is characterized in that a horizontally long engagement hole is provided in the lower half part to allow insertion of the upper half part. A document binding apparatus that binds a document using the paper staple according to claim 1,
A slit portion into which the intermediate portion of the paper staple is inserted by pushing the intermediate portion of the paper staple at the end portion of the document, and the upper half portion and the lower half portion of the paper staple are respectively on the surface side of the end portion of the document; A staple setting member that is set to be positioned on the back side;
A lower half portion of the set paper staple and a blade edge portion for punching out a document from the lower side; and a staple locking hole formed on a lower side of the blade edge portion, and the punching hole has the above-mentioned A punching member for locking the upper half of the paper staple and pulling it out to the lower side of the lower half of the paper staple;
A pair of movable curve-forming members that curve the upper half of the paper staple while pulling up the upper half of the paper staple, and pushing up the upper half of the curved paper staple. A clincher device having a member,
After the latching piece is cut and raised along the cut line of the upper half part at the time of the bending, the latching piece is latched on the lower surface of the punched edge of the lower half part, and the tip of the upper half part A document binding apparatus characterized in that the portion is hooked on the upper surface of the edge of the hooking hole of the lower half. A paper binding method using the paper staple according to claim 1 and the paper binding device according to claim 2,
The paper staple is disposed in front of the staple setting member, and an intermediate portion of the paper staple is pushed into the slit portion at an end portion of the document so that an upper half portion and a lower half portion of the paper staple are A step of setting the document to be positioned on the front side and the back side of the end of the document,
The lower half of the set paper staple and the upper half of the paper staple are inserted into a locking hole provided on the lower side of the cutting edge after the document is punched out from the lower side by the cutting edge of the punching member. And pulling the upper half to the lower side of the lower half of the paper staple;
By sandwiching the upper half of the drawn paper staple between a pair of curve forming members and bending the pair of curve forming members in a substantially U shape, Inserting the half-engagement holes and raising the latch pieces along the cut lines provided in the upper half; and
The upper half portion of the curved paper staple is pushed up by a pushing member so that the latching piece is latched on the lower surface of the punched hole edge of the lower half portion, and the top end portion of the upper half portion is latched on the lower half portion. And a process of hooking onto the upper surface of the hooking hole edge of the part,
A document binding method characterized in that a document can be bound by the paper staple by executing the above steps.

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