JP5431093B2 - Cutting tool for flat and folded polymerized paper sheets - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a cutting tool for planar and folded polymerized paper sheets, and more specifically, planar paper sheets in which one or a plurality of paper sheets are stacked, and sealed envelopes or folded papers. The present invention relates to a planar and folded polymerized paper sheet cutter capable of simply cutting a folded polymer paper sheet such as a leaf into a desired state.

  Conventionally, as a cutter for cutting paper sheets, various paper cutters for cutting a single paper sheet into a desired state and various letter cutters for cutting and opening a sealed portion of an envelope have been proposed.

  FIG. 21 shows an example of a conventional letter cutter. This letter cutter 51 passes a sealing portion of an envelope 56 from the right end to the left end in the lower part of a cutter body 52 that can be gripped by a finger. The narrow envelope guide groove 53 is provided in a state where the lower end is opened, and the envelope cutting portion 55 is provided in the envelope guide groove 53 with the cutting edge 54a of the cutter blade 54 facing the right end side.

  According to this conventional letter cutter 51, not only the envelope 56 is opened by operating the cutter body 52, but also a memo paper can be made by cutting a half-folded paper sheet into a piece of paper of a desired size (not shown). have.

  However, the conventional letter cutter 51 is not suitable for use in cutting a flat sheet such as a single sheet into a desired shape.

  In Patent Document 1, a pressing bullet is provided at the end of the cutter body, the blade tip of the blade is protruded outward in a state of penetrating the pressing bullet from the cutter body, and the pressing bullet is cut on the paper sheet side to be cut. A paper cutter configured to cut a desired portion of a paper sheet with the blade edge by operating the cutter body while pressing the paper is proposed.

  In the case of this paper cutter, for example, a paper sheet such as a newspaper can be cut and cut out, but it is not convenient for opening the envelope 56 described above.

Japanese Patent Laid-Open No. 10-156061

  The problem to be solved by the present invention is that it has a single structure, such as a planar paper sheet in which one or a plurality of paper sheets are stacked, and a sealed envelope or a folded paper sheet. There is no cutting tool that can simply cut the folded polymer paper sheets into a desired state.

  The cutting tool for planar and folded polymerized paper sheets according to the present invention has a leading end side as an abutting end with the paper sheets, a fitting protrusion on the rear end side, and a blade for cutting paper sheets The body is sandwiched with its cutting edge facing the front end side, a paper sheet passage step is provided on both sides of the fitting projection, and a paper body passage groove is provided in the lower part, It has a hollow part to which the fitting protrusion of the main body part is fitted, and the main body part is integrated so as to be fixed or detachable, and the lower side from the front end side to the substantially central part is formed into a straight shape and operated on the rear end side. A handle portion for forming a paper sheet passage area between the step portion of the main body portion and the lower side, and a cutting edge for cutting a paper sheet toward the front end side by the main body portion. A blade body sandwiched in a state, with a part of the blade edge facing the passage region and another part of the blade edge facing the passage groove, and a passage groove on the tip side of the main body portion. An upper paper sheet for planar paper sheets is formed between the front end side of the main body part and the front end side of the handle part. Forming a paper insertion opening, mounted in the passage groove of the main body, and folded over from the lower paper sheet insertion opening by a leaf spring piece facing the blade body in the passage groove of the main body. The paper sheet is guided to the other part of the blade edge and cut, and the planar paper sheet from the upper paper sheet insertion opening is guided by the guide piece facing the passing area to the handle portion. Pushing the lower side down and guiding the blade into a crest shape with a flat sheet of paper makes it easier to cut out the paper sheet (especially when cutting paper with a low back, such as a newspaper) It is difficult to cut it if it is not applied to it, and the main feature is to provide a derivative that can be cut.

  According to the first aspect of the present invention, although it is a single unit configuration, it is a planar paper sheet in which one or a plurality of paper sheets are stacked, and a folded back like a sealed envelope or a double-folded paper sheet. Cutting of flat and folded polymerized paper sheets that can be cut and opened in a desired state simply at different parts of the blade edge of the blade, and are excellent in durability and folded polymerized paper sheets Tools can be provided.

  According to the invention described in claim 2, since the same effect as that of the invention described in claim 1 is achieved and the main body and the handle are made of a transparent resin or a translucent resin, one or more sheets or envelopes are provided. It is possible to provide a cutting tool for flat and folded polymerized paper sheets that can be visually recognized from the outside and can ensure the reliability of the cutting work.

  According to the invention described in claim 3, the same effect as that of the invention described in claim 2 is achieved, and the blade edge of the blade body is set to an acute angle in a range of 45 degrees to 30 degrees with respect to the horizontal, and the blade body is attached to the handle portion. Since an opening that can be seen from the outside is provided, and a hanging hole is provided on the rear end side, it is easier to cut paper sheets, and the reliability of the cutting work can be further improved. By attaching a member such as a string to the sheet, it is possible to provide a cutting tool for flat and folded polymerized paper sheets that can also facilitate the storage of the cutting tool.

FIG. 1 is a schematic perspective view of a cutting tool according to an embodiment of the present invention. FIG. 2 is a schematic explanatory view showing a main body portion incorporating a blade body and a derivative in the cutting tool according to the present embodiment. FIG. 3 is a front view showing one substrate constituting the main body portion in the cutting tool according to the present embodiment. FIG. 4 is a front view showing the other substrate constituting the main body of the cutting tool according to the present embodiment. FIG. 5 is a plan view showing a state in which both bases constituting the main body portion in the cutting tool according to the present embodiment are arranged to face each other. FIG. 6 is a perspective view showing a state in which both bases constituting the main body portion of the cutting tool according to the present embodiment are arranged to face each other. FIG. 7 is a front view of the handle portion in the cutting tool according to the present embodiment. FIG. 8 is a plan view of the handle portion in the cutting tool according to the present embodiment. FIG. 9 is a side view of the handle portion of the cutting tool according to the present embodiment. FIG. 10 is a cross-sectional view of the handle portion in the cutting tool according to the present embodiment. FIG. 11 is a perspective view of the handle portion in the cutting tool according to the present embodiment. FIG. 12 is a front view of one leaf spring piece and guide piece constituting the derivative in the cutting tool according to the present embodiment. FIG. 13 is a front view of the other leaf spring piece constituting the derivative in the cutting tool according to the present embodiment. FIG. 14 is a plan view showing a state in which both leaf spring pieces constituting the derivative in the cutting tool according to the present embodiment are arranged to face each other. FIG. 15 is a perspective view showing a state in which the two leaf spring pieces constituting the derivative in the cutting tool according to the present embodiment are arranged to face each other. FIG. 16 is an explanatory view showing a state where the envelope is opened by the cutting tool according to the present embodiment. FIG. 17 is an explanatory view showing another example of the state in which the envelope is opened by the cutting tool according to the present embodiment. FIG. 18 is an explanatory diagram showing a state in which a planar paper sheet is cut by the cutting tool according to the present embodiment. FIG. 19 is a perspective view of a cutting tool according to the present embodiment. FIG. 20 is a bottom view of the cutting tool according to the present embodiment. FIG. 21 is a front view showing a conventional letter cutter.

  The present invention provides a planar paper sheet in which one or a plurality of paper sheets are stacked, and a folded polymerized paper sheet such as a sealed envelope or a double-folded paper sheet. The purpose is to provide a cutting tool for flat and folded polymerized paper sheets that can be cut into desired states in a simplified manner, with the front end as the abutting end with the paper sheets, and the fitting protrusion on the rear end side. Holding the blade body for cutting a paper sheet with the blade edge directed to the tip side and the blade edge at an acute angle in a range of 45 degrees to 30 degrees with respect to the horizontal. A body part made of a transparent resin or a semi-transparent resin with a paper sheet passage step provided on both sides of the part and a paper sheet passage groove on the lower part, and a fitting protrusion of the body part are fitted. The body part is integrated so as to be fixed or detachable, and the bottom side from the front end side to the substantially central part has a straight shape, and the rear end An operation gripping portion is provided, a paper sheet passage area is formed between the step portion of the main body portion and the lower side, and the blade body is externally attached to a part of the upper side from the tip side to the substantially central portion. An opening that can be visually recognized is provided, and a handle portion made of a transparent resin or a translucent resin provided with a hanging hole on the rear end side, and a cutting edge for cutting a paper sheet with the main body portion facing the front end side. A blade body that is sandwiched and has a part of the blade edge facing the passage region and another part of the blade edge facing the passage groove, and is folded back to the end of the passage groove on the distal end side of the main body portion. Forming a lower paper sheet insertion opening for a polymerized paper sheet, and forming an upper paper sheet insertion opening for a planar paper sheet between the front end side of the main body part and the front end side of the handle part; The lower paper sheet is formed by a leaf spring piece that is formed and mounted in the passage groove of the main body and faces the blade body in the passage groove of the main body. An upper overlapped paper sheet is inserted by a guide piece facing the passing area by guiding a folded and overlapped paper sheet like an envelope from the entrance opening to the other part of the blade edge and cutting the folded part. While pressing the flat paper sheet from the opening toward the lower side of the handle part, the flat paper sheet is formed into a mountain shape and guided to the blade to make it easier to cut the paper sheet and cut it further (especially This is realized by a configuration provided with a derivative that cuts loose paper such as newspapers if it is cut into a chevron shape and does not touch the blade).

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, planar and folded polymeric paper sheets cutting tools according to embodiments of the present invention will be described in detail with reference to FIGS.
A cutting tool (hereinafter referred to as a “cutting tool”) 1 for planar and folded polymerized sheets according to the present embodiment is made of, for example, a transparent resin or a translucent resin, as shown in FIGS. The main body 2 and the handle 31, the blade 21 for cutting paper sheets, and the elastic derivative 41 made of, for example, a transparent resin incorporated in the main body 2, are configured in a stick shape as a whole. Yes.

  As shown in FIGS. 2 to 6, the main body 2 has a joining structure using protruding pins and pin holes of the first and second bases 4a and 4b, and is on the tip 2a side (left end side in FIG. 1). For example, a mountain-shaped fitting projecting upward is used as a contact end with a flat and folded polymerized paper sheet to be described later, and is fixedly attached to or removable from a handle part 31 described later on the rear end 2b side. The protruding portion 3 is formed, and the blade body 21 for cutting paper sheets is sandwiched with the blade edge 21a facing the leading end side at a substantially central lower portion and near the leading end.

  As shown in FIGS. 7 to 11, the handle portion 31 has a lower side 31 c that extends from the tip 31 a side to the substantially central portion, has a straight shape, an open end at the lower end side, and reaches the substantially central portion from the tip 31 a side. An integral structure in which a hollow portion 32 extending to the vicinity of the upper side is provided in the range, and a gripping portion 33 with a horizontal suspension hole 35 is provided on the rear end 31b side for an operator to grip and perform a cutting operation. It is said.

  For example, an oblong opening 34 is formed in the upper side of the handle portion 31 so that a region near the cutting edge 21a of the blade body 21 can be viewed from above.

  Further, for example, a hanging ball chain or string is attached to the hanging hole 35.

  As shown in FIGS. 3 to 6, the lower edge shape of the first and second bases 4a and 4b is formed in an arc shape at a lower position from the front end 2a side of the main body 2 to the substantially central portion. The two opposite lower sides 5a and 5b are arranged so as to pass straight through the region extending from the tip 2a side to the substantially central portion, and are folded downward to pass through the polymerized paper sheets, for example, envelope sealing portions. The passage groove 6 is provided.

  Further, the first and second bases 4a and 4b are provided near the center of the mountain-shaped fitting protrusion 3 so as to face the first and second bases 4a and 4b. With the protruding pin and pin hole structure, the attachment hole portion of the parallelogram-shaped blade body 21 is fixed, and the cutting edge 21a of the blade body 21 is directed to the tip 2a side.

  The angle of the blade edge 21a of the blade body 21 is, for example, an acute angle in the range of 45 degrees to 30 degrees when the main body 2 is horizontally disposed, and the angle of the cutter blade is more acute than that of a conventional letter cutter. It is easy.

  Further, on the upper sides of the first and second bases 4a and 4b, step portions 7a and 7b for passing paper sheets that are flat in the front-rear direction on both sides with the mountain-shaped fitting projection 3 interposed therebetween, for example. Is forming. Both the stepped portions 7a and 7b are formed from the front end 2a side of the main body 2 to the vicinity of the rear end.

  And the lower side of the fitting protrusion 3 is formed in a concave groove shape so as not to prevent passage of paper sheets.

  The blade body 21 is sandwiched between the first and second bases 4a and 4b, and a part of the blade edge 21a faces the stepped portions 7a and 7b, and the other edge of the blade edge 21a. The part faces the inside of the downward U-shaped passage groove 6.

  That is, the blade 21 cuts the paper sheets passing through the stepped portions 7a and 7b and the paper sheets passing through the passage groove 6 at different positions of the blade edge 21a.

  Furthermore, as shown in FIGS. 12 to 15, the cutting tool 1 according to the present embodiment has a first derivative 42 a, extending from a position near the tip of the passage groove 6 of the main body 2 to a position facing the blade body 21. A derivative 41 having a joining structure of the second derivative 42b is attached.

  As shown in FIG. 12, the first derivative 42a of the derivative 41 includes a spring body base portion 43 joined to the inside of the side wall of the downwardly U-shaped passage groove 6 of the main body portion 2 with a protruding pin and a pin hole structure, A leaf spring piece 44 having elasticity protruding from the spring body base 43 toward the blade body 21 side, a flat piece 45 integrally attached to the lower side of the upper wall of the passage groove 6 integrally with the spring body base 43, and the flat piece It has an integral structure with a guide piece 46 protruding upward from 45.

  Similarly, as shown in FIG. 13, the second derivative 42 b includes a spring body base portion 43 that is joined to the inside of the side wall of the downwardly U-shaped passage groove 6 of the main body portion 2 with a protruding pin and a pin hole structure, and a spring body. An elastic leaf spring piece 44 projecting from the base 43 toward the blade body 21, a flat piece 45 integrally attached to the lower side of the upper wall of the passage groove 6 integrally with the spring body base 43, and the flat piece 45 It has an integral structure with the guide piece 46 protruding upward, and is symmetrical with the first derivative 42a.

  Then, the pair of leaf spring pieces 44, 44 are bent symmetrically so that the distal ends thereof are in pressure contact with each other, and the blades 21 are sandwiched between the distal ends of the two leaf spring pieces 44, 44 with the blade edges of the blade body 21 It is comprised so that it may guide toward 21a.

  The pair of guide pieces 46, 46 are integrated with a projecting pin and a pin hole structure, and the upper end side of the first and second bases 4a, 4b is passed through the tip side of the step 7a. , 7b and projecting upward from 7b so as to be immersed in the cavity 32 provided in the handle portion 31.

  The main body portion 2 incorporating the derivative 41 having the above-described configuration and the handle portion 31 can be fixedly attached to or detached from the cavity portion 32 provided in the handle portion 31 with the fitting protrusion 3 of the main body portion 2. Are integrated with each other by being clamped by the handle portion 31, and in this state, as shown in FIG. 1, the step portions 7a and 7b of the main body portion 2 and the lower side 31c of the handle portion 31 Thus, a pair of passing areas 8 for straight paper sheets that occupy both side positions of the mountain-shaped fitting protrusion 3 is formed.

  Further, a lower paper sheet insertion opening 9 occupying the left end of the passage groove 6 is formed on the front end 2a side of the main body portion 2, and the front end 2a side of the main body portion 2 and the front end 31a side of the handle portion 31 are formed. In between, the upper paper sheet insertion opening 10 is formed.

  Next, the cutting operation of the paper sheet by the cutting tool 1 according to the present embodiment having the above-described configuration will be described with reference to FIGS.

  As the paper sheets to be cut by the cutting tool 1 according to the present embodiment, planar paper sheets in which one or a plurality of paper sheets are stacked, sealed envelopes and folded paper sheets are used. Such folded paper sheets will be described below separately.

  FIG. 16 shows a state in which, for example, one side of an envelope P1 which is a kind of folded polymerized paper sheets is inserted into the lower paper sheet insertion opening 9 of the cutting tool 1, and the envelope P1 is opened. .

  That is, the handle 31 of the cutting tool 1 is held by a finger, and a corner of one side to be opened of the envelope P1 is inserted into the lower paper sheet insertion opening 9 of the cutting tool 1 and shown in FIG. The cutting tool 1 is operated in the direction of arrow a.

  As a result, the corner portion of the envelope P1 is guided to the other part of the blade edge 21a of the blade body 21 by the leaf spring piece 44 of the derivative 41, and the blade edge 21a cuts the corner portion, and further, one edge side of the envelope P1. Is also continuously cut. In this way, the envelope P1 can be easily opened.

  Although not shown, for example, in the case of a sheet of paper folded in half, it is similarly inserted into the lower paper sheet insertion opening 9 of the cutting tool 1 from its folded portion, and the arrow shown in FIG. By operating the cutting tool 1 in the direction, the cutting tool 1 can be simply and easily cut along the folding line. In this case, it is very convenient to cut a half-folded paper to make a memo paper.

  Since the corner portion of the envelope P1 is crushed, when the blade edge 21a does not pierce the corner portion, the corner portion is inserted into the lower paper sheet insertion opening 9, and as shown in FIG. Pulling the handle portion 31 in a direction away from one side (arrow c direction) to cut only the corner portion, and then cutting in the direction of the side (arrow b direction) in the manner of a paper knife makes the envelope P1 simple and easy Can be opened.

  FIG. 18 shows a case where a planar paper sheet in which one or a plurality of paper sheets are stacked is cut into a desired state.

  In this case, for example, one flat paper sheet P2 which is a kind of planar paper sheet is inserted into the upper paper sheet insertion opening 10 of the cutting tool 1, and cut in the direction of the arrow d shown in FIG. The tool 1 is operated.

  Thereby, a desired portion of the paper sheet P2 is pressed against the lower side 31c side of the handle portion 31 by the guide piece 46 facing the passing area 8, and a part of the blade edge 21a in the blade body 21 (of the blade edge 21a). It is continuously cut by a part different from the case described above.

  In this way, the desired portion of the paper sheet P2 can be cut easily and easily. Although not shown, in the case of a flat paper sheet P2 superposed with two or three sheets, a desired portion can be cut at the same time.

  According to the above-described cutting tool 1 of the present embodiment, a planar paper sheet in which one or a plurality of paper sheets P2 are stacked on the basis of a single structure, and an envelope P1 or a folded paper that is sealed. Folded polymerized paper sheets such as leaves can each be simply cut into a desired state and have excellent practical value.

Moreover, according to the cutting tool 1 of a present Example, the various effect | actions and effects which are listed below are exhibited.
(1) In the case of the envelope P1, since the folded vertex portion is cut, the envelope P1 can be opened cleanly without removing the edge of the envelope P1, and it is optimal for storing important letters together with the envelope.
(2) The blade edge 21a of the blade body 21 can be pierced and opened even with the glued envelope.
(3) Due to the above-described structure, an underlay tool such as a cutter mat is unnecessary for either cutting method, and the cutting operation is simple.
(4) Since the blade body 21 is covered by a part of the main body part made of transparent resin or translucent resin and a part of the handle part 31 made of transparent resin or translucent resin, the finger touches the blade directly. No finger cuts and excellent safety.
(5) Moreover, since transparent resin or translucent resin is adopted, there is no anxiety when the position of the blade body 21 can be visually confirmed and confirmed from the outside.
(6) In the case of cutting planar paper sheets, the position of cutting from the opening 34 provided in the handle portion 31 can be clearly confirmed.
(7) According to the cutting tool 1 of the present embodiment, on the basis of a single structure, planar paper sheets in which one or a plurality of paper sheets P2 are overlapped, and sealed envelopes P1 and folded sheets Since the cutting part of the blade edge 21a in the blade body 21 with respect to the folded polymerized paper sheet such as a paper sheet is in a different position, the durability is improved as compared with the case where only the same part is used.
(8) Since the attachment angle of the blade body 21 is sharper than that of the conventional letter cutter, it is easier to cut, and when the envelope P1 is opened, it is easier to pierce the corner.
(9) Since the overall shape of the cutting tool 1 is a stick shape, it can be easily stood on a pen stand or the like and is convenient for storage.

  The cutting tool of the present invention includes any one of the above-described planar paper sheets in which one or a plurality of paper sheets are stacked, and folded-up polymer paper sheets such as sealed envelopes and folded paper sheets. In addition to being used as a cutting tool for flat and folded polymerized paper sheets that can be cut into a desired state simply, scraping and scraping desired portions of newspapers and magazines, cutting desired portions of coupons, It can be widely applied to various uses such as cutting one side of a bag containing various foods such as sweets and side dishes, or cutting a desired portion of catalogs.

DESCRIPTION OF SYMBOLS 1 Cutting tool 2 Main-body part 2a Front end 2b Rear end 3 Insertion protrusion 4a 1st base | substrate 4b 2nd base | substrate 5a Lower side part 5b Lower side part 6 Passing groove 7a Step part 7b Step part 8 Passage area 9 Lower paper sheet insertion Opening 10 Upper paper sheet insertion opening 21 Blade 21a Cutting edge 31 Handle part 31a Front end 31b Rear end 31c Lower side 32 Cavity part 33 Gripping part 34 Opening part 35 Hanging hole 41 Derivative 42a First derivative 42b Second derivative 43 Spring body Base 44 Leaf spring piece 45 Flat piece 46 Guide piece P1 Envelope P2 Paper sheet

Claims (3)

The front end side is a contact end with the paper sheet, the rear end side has a fitting protrusion, and the blade body for cutting the paper sheet is sandwiched with the cutting edge facing the front end side, and the fitting A main body provided with a step for passing paper sheets on both sides of the protrusion, and a passage groove for paper sheets at the bottom;
The main body part has a hollow part to which the fitting protrusion is fitted, and the main body part is integrated so as to be fixed or detachable, and the lower side from the front end side to the substantially central part is formed in a straight shape, and on the rear end side A handle for providing a grip for operation, and forming a paper sheet passage between the step of the main body and the lower side;
A blade body that is sandwiched by the main body portion in a state in which the blade edge for cutting a paper sheet is directed to the front end side, with a part of the blade edge facing the passing region and the other part of the blade edge facing the passage groove,
Have
A lower paper sheet insertion opening for folded paper sheets is formed at the end of the passage groove on the front end side of the main body portion, and between the front end side of the main body portion and the front end side of the handle portion. While forming an upper paper sheet insertion opening for flat paper sheets,
A leaf spring piece mounted in the passage groove of the main body portion and facing the blade body in the passage groove of the main body portion allows the folded and overlapped paper sheets from the lower paper sheet insertion opening to pass through the blade edge. While guiding and cutting to the other part, and pressing the flat paper sheet from the upper paper sheet insertion opening to the lower side of the handle part by the guide piece facing the passing area, Providing a derivative that is partially cleaved;
A cutting tool for planar and folded polymerized paper sheets characterized by the above. The front end side is a contact end with the paper sheet, the rear end side has a fitting protrusion, and the blade body for cutting the paper sheet is sandwiched with the cutting edge facing the front end side, and the fitting A main body portion made of a transparent resin or a semi-transparent resin provided with a step portion for passing paper sheets on both sides of the protrusion, and a passage groove for paper sheets on the lower portion;
The main body part has a hollow part to which the fitting protrusion is fitted, and the main body part is integrated so as to be fixed or detachable, and the lower side from the front end side to the substantially central part is formed in a straight shape, and on the rear end side A handle portion made of a transparent resin or a translucent resin that provides a gripping portion for operation, and forms a passage area for paper sheets between the step portion of the main body portion and the lower side,
A blade body that is sandwiched by the main body portion in a state in which the blade edge for cutting a paper sheet is directed to the front end side, with a part of the blade edge facing the passing region and the other part of the blade edge facing the passage groove,
Have
A lower paper sheet insertion opening for folded paper sheets is formed at the end of the passage groove on the front end side of the main body portion, and between the front end side of the main body portion and the front end side of the handle portion. While forming an upper paper sheet insertion opening for flat paper sheets,
Folded from the lower paper sheet insertion opening by a leaf spring piece made of transparent resin or translucent resin mounted in the passage groove of the main body and facing the blade in the passage groove of the main body The sheet of paper is guided to the other part of the blade edge and cut, and the planar paper sheet from the upper paper sheet insertion opening is guided to the lower side of the handle portion by the guide piece facing the passage area. Comprising a derivative that is cut by a part of the cutting edge while pressing to the side,
A cutting tool for planar and folded polymerized paper sheets characterized by the above. The leading end side is the contact end with the paper sheet, the rear end side has a fitting projection, the blade for cutting the paper sheet is pointed at the leading edge side, and the cutting edge is horizontal A transparent resin that is sandwiched with an acute angle in the range of 45 degrees to 30 degrees, provided with step portions for passing paper sheets on both sides of the fitting protrusion, and provided with a passage groove for paper sheets at the bottom. A main body made of translucent resin;
The main body part has a hollow part to which the fitting protrusion is fitted, and the main body part is integrated so as to be fixed or detachable, and the lower side from the front end side to the substantially central part is formed in a straight shape, and on the rear end side An operation gripping portion is provided, a paper sheet passage area is formed between the step portion of the main body portion and the lower side, and the blade body is externally attached to a part of the upper side from the tip side to the substantially central portion. A handle portion made of a transparent resin or a translucent resin provided with an opening that can be visually recognized and provided with a hanging hole on the rear end side;
A blade body that is sandwiched by the main body portion in a state in which the blade edge for cutting a paper sheet is directed to the front end side, with a part of the blade edge facing the passing region and the other part of the blade edge facing the passage groove,
Have
A lower paper sheet insertion opening for folded paper sheets is formed at the end of the passage groove on the front end side of the main body portion, and between the front end side of the main body portion and the front end side of the handle portion. While forming an upper paper sheet insertion opening for flat paper sheets,
Like an envelope from the lower paper sheet insertion opening by a leaf spring piece made of transparent resin or translucent resin mounted in the passage groove of the main body and facing the blade body in the passage groove of the main body. A flat sheet from the upper sheet insertion opening is guided by a guide piece that guides the folded folded paper sheet to the other part of the blade edge and cuts the folded part. Comprising a derivative that is cut by a part of the blade edge while pressing leaves on the lower side of the handle part;
A cutting tool for planar and folded polymerized paper sheets characterized by the above.

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