JP4221339B2 - Twist spelling tool - Google Patents

Description

  The present invention relates to a twisting tool suitable for joining relatively thick paper sheets, such as a filing tool formed using cardboard.

  For example, a filing tool for binding multiple catalogs or sample books uses cardboard, etc., and a cover is provided on each side of the back cover, and the catalog or sample book can be bound with a stopper attached on the inside. It is formed to be able to.

  Such a filing device is a closed plate piece that can be superposed on the opposite edge of the back cover of both covers so that the catalogs and sample books that are bound can be easily carried without dropping. If the cover plate is opened by separating the closed plate pieces by operating the twist binding device, the catalog or sample The book can be viewed and attached / detached, and if the two closed plate pieces stacked with a twisting tool are bound, the filing tool is held in a square tube state and can be carried by a hand attached to the closed plate piece. It can be done.

  Conventionally, a twist binding for connecting both closed plate pieces of a filing tool as described above includes a male member attached to one closed plate piece, and a seat plate for fixing the male member to the one closed plate piece. A member, a pair of female members that are attached to the other closed plate piece from both sides, and a member that is attached to the tip of the spelling shaft provided on the male member so that the change of the extension and crossing phases with respect to the spelling shaft can be rotated. The locking member has an extended phase with respect to the spelling axis of the male member fixed to one closed plate piece, and the insertion hole of the female member fixed to the other closed plate piece extends from the locking member. If it is fitted to the spelling shaft and the locking member is twisted to change the phase to a crossing shape with respect to the spelling shaft, the female member will be prevented from coming off the spelling shaft, and both closed plate pieces will be spelled.

  Further, if the locking member is in an extended phase with respect to the spelling shaft, the female member can be removed from the spelling shaft, whereby the binding of the two closed plate pieces can be released.

  By the way, the above-described conventional twist binding tool is composed of a total of five parts including a male member, a seat plate member, a pair of female members, and a locking member, and the pair of female members are coupled with the same structure back to back. There are four types of structures.

  Each member used for forming such a twisting tool requires a mold for molding using synthetic resin, and the cost for manufacturing the mold is proportional to the number of types. There is a problem that it is expensive and expensive to produce four types of molds.

  Accordingly, an object of the present invention is to reduce the cost for the production of the mold by reducing the number of types of members by using the common members used for forming the binding tool and by using three types of molds. Thus, it is to provide a low-priced twisting tool.

  In order to solve the above-described problems, the invention of claim 1 is directed to a male member in which a spelling shaft having a major axis and a minor axis in a cross-sectional shape is provided on one surface side of a seat plate; A plurality of female members provided with insertion holes, and a locking member attached to the tip of the spelling shaft so that a change in phase extending and intersecting with the spelling shaft can be rotated, and the seat plate in the male member The coupling protrusion and the coupling hole are respectively provided on the surface on which the spelling shaft of the female member is projected and on the one surface side of the seat plate of the female member. In the facing state of the male member and the female member and in the facing state of the female member, The structure provided by the arrangement | positioning which fits a coupling hole is employ | adopted.

  According to a second aspect of the present invention, in the first aspect of the present invention, an insertion hole for the binding shaft is provided in the paper sheets to be bound together, and the male shaft is inserted into the insertion hole from one side of one paper sheet. Both seat plates are inserted by inserting a female member into the binding shaft from the other side of the paper sheet and fixing the facing male member seat plate and the female member seat plate by fitting the coupling protrusion and the coupling hole. Attach the male member to one paper sheet by sandwiching the paper sheet at, and face the female member to the insertion hole from both sides of the other paper sheet, and connect the seat plate of the facing female member to the coupling protrusion and the coupling hole In this configuration, the sheet is sandwiched between the two seat plates and the female member is attached to the other sheet.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the seat plate and the binding shaft of the male member and the seat plate and insertion hole of the female member are formed in an oval shape, A plate-shaped sheet holding plate and the other diagonal line at positions on one diagonal in the major axis direction of the binding axis and insertion hole, respectively, around the binding axis and around the insertion hole on one side of the seat plate of the female member A configuration in which a coupling protrusion is provided at the upper position and a coupling hole is provided in the paper sheet holding plate is adopted.

  The twisting tool described above is composed of a total of five parts including a male member, three female members, and a locking member, and the three female members use the same structure, so that they are structurally overall. There are three types, and since these members use synthetic resin as the material, three types of molds can be manufactured.

  According to the present invention, a male member having a spelling shaft projecting, a plurality of female members having a seat plate provided with an insertion hole for the spelling shaft, and an extension and an intersecting phase with respect to the spelling shaft at the tip of the spelling shaft A locking member that is attached so as to be rotatable, and a coupling projection and a coupling hole on each of the surface of the seat plate of the female member and the surface of the female member on the one side of the seat plate, The male member and female member face each other and the female member face each other so that the coupling protrusion fits into the mating coupling hole, so that the female member can be used as it is for fixing the male member to the paper sheet. There are three types of binding tools as a whole, and each of these members uses synthetic resin, so three types of molds can be manufactured, reducing the cost of mold manufacturing. Can be planned and this makes the price cheaper It is possible to provide a batter spelling tool.

  Further, the male member is attached to one paper sheet with a seat plate and a female member, and the pair of female members are fixed to the other paper sheet, whereby the thickness can be reduced as a whole, and the two paper sheets are made bulky. Can be spelled without it.

  Hereinafter, embodiments of the present invention will be described based on illustrated examples.

  As shown in the figure, the twist binding tool 1 includes a male member 4 having a spelling shaft 3 projecting from one side of a seat plate 2 and three female members having a seat plate 5 provided with an insertion hole 6 for the spelling shaft 3. 7 and a locking member 8 attached to the front end side of the binding shaft 3, and these members 4, 7, and 8 are made of a hard synthetic resin as a material and molded by a mold.

  The male member 4 is provided with an inner hollow spelling shaft 3 projecting from an oval shape smaller than this on one surface side of the oval seat plate 2, and around the spelling shaft 3 on one surface side of the seat plate 2. Further, a pair which is located on one diagonal line in the major axis direction of the binding shaft 3 with the binding shaft 3 sandwiched therebetween, has a height corresponding to the thickness of the paper sheet, and has a shape that is about a quarter of an oval. The paper sheet holding plate 9 and a pair of coupling protrusions 10 positioned on the other diagonal line with the binding shaft 3 interposed therebetween are provided, and the coupling protrusions 10 have substantially the same height as the paper sheet holding plate 9. The paper sheet holding plate 9 is provided with a coupling hole 11 having an inner diameter into which the coupling projection 10 is fitted at a position symmetrical to the coupling projection 10 across the center line in the longitudinal direction of the seat plate 2.

  Accordingly, the sheet holding plate 9 and the coupling protrusion 10 are arranged on both sides in the short axis direction at the positions of both end portions along the major axis direction of the binding shaft 3 on one surface side of the seat plate 2, and the sheet holding plate 9 and the coupling projection are arranged. Reference numeral 10 denotes a pattern which is reversely arranged in the left-right direction in the long axis direction.

  A cylindrical wall 13 is provided at the center of the inner surface of the end wall 12 provided at the tip so as to open at the front surface of the end wall 12, and the front axis of the end wall 12 is centered on the axial center of the cylindrical wall 13. The long-axis direction and the short-axis direction locking grooves 14 are formed in a cross-shaped arrangement.

  In the female member 7, an insertion hole 6 of the binding shaft 3 having an oval shape is provided on the seat plate 5 having an oval shape that is substantially equal to the seat plate 2 of the male member 4. One side of the insertion hole 6 is positioned on one diagonal line in the major axis direction of the insertion hole 6 on one side of the insertion hole 6 and has a height corresponding to the thickness of the paper sheet. A pair of paper sheet holding plates 9 having a shape that is about a fraction of the other, and a pair of coupling protrusions 10 positioned on the other diagonal line with the insertion hole 6 in between are provided. The sheet holding plate 9 has substantially the same height, and has an inner diameter with which the coupling projection 10 is fitted at a position symmetrical to the coupling projection 10 across the center line in the longitudinal direction of the seat plate 5. A coupling hole 11 is provided.

  The sheet holding plate 9, the coupling protrusion 10, and the coupling hole 11 provided on the seat plate 2 in the male member 4 and the seat plate 5 of the female member 7 have the same pattern size and arrangement shape. When the member 4 and the female member 7 are overlapped in a face-to-face state and when the two female members 7 are overlapped in a face-to-face state, the paper sheet holding plates 9 are aligned on both sides, and the coupling protrusion 10 is The condition is such that it fits into the coupling hole 11 provided in the paper sheet holding plate 9.

  The locking member 8 attached to the front end of the spelling shaft 3 has a locking shaft 16 to be inserted into the cylindrical wall 13 on the rear end surface facing the spelling shaft 3 of the knob portion 15 which is an oval substantially equal to the spelling shaft 3. It has a protruding structure.

  The locking shaft 16 is provided with a diameter-enlarged portion 17 at the tip, the tip side is divided into a plurality of portions by an axial cut 18, and when the locking shaft 16 is inserted into the cylindrical wall 13, the tip side is reduced in diameter. When the enlarged diameter portion 17 faces the stepped portion 19 on the inner periphery of the distal end of the cylindrical wall 13, the enlarged diameter portion 17 engages with the stepped portion 19 due to the resilience of the synthetic resin, and the locking member 8 is connected to the spell shaft. It attaches to the front-end | tip of 3 so that rotation is possible in the retaining state.

  Further, the knob 15 of the locking member 8 has a ridge that engages with the locking groove 14 on the rear end surface that overlaps the spelling shaft 3 in an extended or crossed phase of the knob 15 with respect to the spelling shaft 3. 20 is provided to hold the above-described extended or intersecting phase of the knob portion 15 with respect to the spelling axis 3.

  The twist binding tool 1 of the present invention is configured as described above, and is positioned in the longitudinal direction of the seat plate 2 on the two sheets A and B that are bound together as shown in FIGS. In order to fix the male member 4 to one paper sheet A, an insertion hole C is formed from one side of the paper sheet A as shown in FIG. The insertion shaft 6 of the female member 7 is inserted into the binding shaft 3 from the other side of the paper sheet A, and the coupling protrusion 10 provided on each of the male member 4 and the female member 7 is inserted. When the seat plates 2 and 5 are brought close to each other so as to be press-fitted into the mating coupling hole 11, the sheet holding plate 9 provided on the seat plates 2 and 5 is fitted into the insertion hole C, and the seat plate 2 and 5, the male member 4 is fixed to the paper sheet A by sandwiching the paper sheet A on the opposite surface by the coupling by the coupling protrusion 10 and the coupling hole 11.

  The locking member 8 may be attached to the male member 4 before or after the male member 4 is fixed to the paper sheet A.

  Next, with respect to the other paper sheet B, as shown in FIG. 2, the female member 7 is positioned on both sides of the paper sheet B with the insertion holes C interposed therebetween, and the coupling protrusions 10 provided on both the female members 7 are provided. When both the seat plates 5 and 5 are brought close to each other so as to be press-fitted into the mating coupling hole 11, the paper sheet holding plate 9 provided on the both seat plates 5 and 5 is fitted into the insertion hole C, and the seat plate 5. 5, the female members 7 and 7 are fixed to the paper sheet B from both sides by sandwiching the paper sheet B on the opposing surface by the coupling by the coupling protrusion 10 and the coupling hole 11.

  FIG. 3 shows the coupling structure of the two sheets A and B by the twist binding device 1, and the female member 7 of the other sheet B is inserted into the binding shaft 3 of the male member 4 fixed to the one sheet A. 3, when the knob portion 15 of the locking member 8 is in the extended posture of the binding shaft 3, the other paper sheet B can be detached from the binding shaft 3.

  3, when the knob portion 15 of the locking member 8 is twisted in a posture perpendicular to the major axis direction of the binding shaft 3, the knob portion 15 protrudes on both sides of the minor axis direction of the binding shaft 3. Since it is prevented from coming out of the insertion hole 6 of the female member 7, the binding state of both paper sheets A and B is maintained.

  FIG. 4 shows a filing tool D for a catalog or a sample book as an example of a member to be bound by the twist binding tool 1, using cardboard or the like, and having covers F and G on both sides of the spine E, respectively, It is formed so that a catalog or a sample book can be bound with a stopper, and such a filing tool D can be easily carried in a state where the spelled catalog or sample book is not dropped. Paper sheets A and B, which can be overlapped with each other, are provided at the opposite edge of the back cover E of both covers F and G. If the cover F and G are opened by operating this twisting tool 1 to separate the closed plate pieces, the catalog or sample book can be viewed. The attachment / detachment operation can be performed.

  In addition, as shown in FIG. 4, when the two closed plate pieces overlapped with the twist binding device 1 are bound, the filing tool D is held in a square tube state, and the filing tool D is carried by the hand H attached to the closed plate piece. can do.

(A) is an exploded perspective view of a male member and a female member of the twist binding device according to the present invention, and (b) is a longitudinal sectional view showing an enlarged mounting structure of the male member on a paper sheet. (A) is an exploded perspective view of the female member of the twist binding device according to the present invention, (b) is an enlarged longitudinal sectional view showing the female member mounting structure on the paper sheet The longitudinal cross-sectional view which shows the binding state of the paper sheet by the male member and female member of the twist binding tool which concerns on this invention The perspective view of the state which showed the filing tool as a use of the twisting tool which concerns on this invention, and couple | bonded the part of several places of the overlapped closed plate piece with the twisting tool

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Twist binding tool 2 Seat plate 3 Binding shaft 4 Male member 5 Seat plate 6 Insertion hole 7 Female member 8 Locking member 9 Paper sheet holding plate 10 Connection protrusion 11 Connection hole 12 End wall 13 Cylindrical wall 14 Locking groove 15 Knob part 16 Locking shaft 17 Expanded diameter portion 18 Cut 19 Step portion 20 Projection A Paper sheet B Paper sheet

Claims (3)

  A male member provided with a spelling shaft having a major axis and a minor axis in cross section on one side of the seat plate, a plurality of female members provided with an insertion hole for the spelling shaft on the seat plate, and a tip of the spelling shaft The locking member is attached so that the change in phase between the extension and the crossing with respect to the spelling shaft can be rotated, and the surface on which the spelling shaft of the seat plate protrudes from the male member, and one surface of the seat plate of the female member A twisting tool provided with a coupling projection and a coupling hole on each of the sides in such a manner that the coupling projection fits into the mating coupling hole in the facing state of the male member and the female member and the facing state of the female member.   An insertion hole for the above-described binding shaft is provided in a paper sheet to be bound to each other, a male shaft is inserted into the insertion hole from one side of one paper sheet, and a female member is connected to the binding axis from the other side of this paper sheet. Is inserted, and the seat plate of the male member and the seat plate of the female member facing each other are fixed by fitting the coupling protrusion and the coupling hole, so that the paper sheet is sandwiched between the two seat plates and the male sheet with respect to one paper sheet is fixed. Attach the member, face the female member into the insertion hole from both sides of the other paper sheet, and fix the seat plate of the facing female member by fitting the coupling protrusion and the coupling hole. The twist binding tool according to claim 1, wherein a female member is attached to the other paper sheet with the paper sheet sandwiched therebetween.   The seat plate and the binding shaft of the male member and the seat plate and the insertion hole of the female member are formed in an oval shape, and the insertion hole is formed around the binding shaft of the seat plate of the male member and on one surface side of the seat plate of the female member. A sheet-like paper sheet holding plate at a position on one diagonal in the long axis direction of the binding shaft and the insertion hole, and a coupling protrusion at a position on the other diagonal line, respectively, A twisting tool according to claim 1 or 2, wherein

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