WO2021166051A1

WO2021166051A1 - Tape cutter

Info

Publication number: WO2021166051A1
Application number: PCT/JP2020/006130
Authority: WO
Inventors: 亮太野村; 山本　尚
Original assignee: コクヨ株式会社
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-08-26
Also published as: CN115087526A; JP7332023B2; CN115087526B; JPWO2021166051A1

Abstract

In order to provide a tape cutter that has a configuration in which a wound adhesive tape body can rotate smoothly with respect to a cutter body having a blade that can cut an adhesive tape, this tape cutter B is disposed in a hollow section of a wound adhesive tape body around which an adhesive tape is wound, the tape cutter B comprising: a cutter body D having a blade that can cut the adhesive tape; and an outer ring member E that is rotatably supported relative to the cutter body D, and has an outer peripheral section G that is engageable to the inner peripheral surface of the wound adhesive tape body. With such a configuration, it would be possible to provide a tape cutter B that has a configuration in which a wound adhesive tape body can rotate smoothly with respect to a cutter body D having a blade that can cut an adhesive tape.

Description

Tape cutter

The present invention relates to a tape cutter.

Conventionally, there has been known a tape cutter that is attached to a wound adhesive tape body in which an adhesive tape is wound and is configured to take a compact posture when not in use (see, for example, Patent Document 1). ..

In the conventional one, the winding core of the wound adhesive tape body is slidably contacted with the reel shaft erected on the substrate. Therefore, in the conventional one, the wound adhesive tape body cannot rotate smoothly with respect to the reel shaft, and the problem that the adhesive tape cannot be smoothly pulled out from the wound adhesive tape body tends to occur. rice field.

Jitsufuku No. 7-16676

The present invention has been made by paying attention to the above circumstances, and has at least a configuration in which the wound adhesive tape body can smoothly rotate with respect to a cutter body having a blade capable of cutting the adhesive tape. To provide a tape cutter.

That is, the present invention has the following configuration.

The invention according to claim 1 is a tape cutter disposed in a hollow portion of a wound adhesive tape body in which an adhesive tape is wound, and has a cutter body having a blade capable of cutting the adhesive tape. It is a tape cutter provided with an outer ring member that is supported so as to be relatively rotatable with respect to the cutter body and whose outer peripheral portion can engage with the inner peripheral surface of the wound adhesive tape body.

The invention according to claim 2 is a concave rail portion for positioning provided on either one of the outer peripheral portion of the cutter body and the inner peripheral portion of the outer ring member, and a concave portion provided on the other side and engaging with the convex rail portion. The tape cutter according to claim 1, further comprising a groove.

The invention according to claim 3 is the tape cutter according to claim 2, wherein the convex rail portion is provided on the inner peripheral portion of the outer ring member, and the concave groove portion is provided on the cutter main body. be.

In the invention according to claim 4, the concave groove portion is provided with a guide surface capable of guiding one side surface of the convex rail portion, and when the cutter body is attached to the outer ring member, the convex portion is provided. The tape cutter according to claim 3, which has an elastic claw that can be temporarily elastically deformed by being pressed by a rail portion, and the elastic claw is provided with the guide surface.

The invention according to claim 5 is the tape cutter according to claim 1, wherein an insertion promoting means for promoting insertion into the hollow portion is provided on the outer peripheral portion of the outer ring member.

The tape according to claim 6, wherein the insertion promoting means is formed on the outer peripheral portion of the outer ring member and is provided with a rib whose tip portion engages with an inner peripheral surface facing the hollow portion. It is a cutter.

The invention according to claim 7 is the tape cutter according to claim 1, wherein the cutter body is provided with a communication hole into which a user's finger is inserted.

As described above, according to the present invention, it is possible to provide a tape cutter having a structure in which the wound adhesive tape body can smoothly rotate with respect to a cutter body having a blade capable of cutting the adhesive tape.

The perspective view which shows one Embodiment of this invention. Left side view in the same embodiment. The right side view in the same embodiment. Front view in the same embodiment. FIG. 2 is a cross-sectional view taken along line XX in FIG. An exploded perspective view of the same embodiment. The perspective view in the same embodiment. Left side view in the same embodiment. The right side view in the same embodiment. Front view in the same embodiment. FIG. 8 is a cross-sectional view taken along the line YY. The perspective view in the same embodiment. The perspective view in the same embodiment. The perspective view in the same embodiment. The perspective view in the same embodiment. The perspective view which shows the other embodiment. The perspective view in the same embodiment. The perspective view in the same embodiment. The perspective view in the same embodiment.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 15. Note that FIGS. 1 to 6 show that the movable body 2 of the tape cutter B takes the accommodation posture (L). 7 to 12 and 14 show that the movable body 2 of the tape cutter B takes a cuttable posture (K). FIG. 13 is a perspective view of a deployed state for explaining the structure of the cutter body D, and FIG. 15 shows a movable body 2 of the tape cutter B between the accommodation posture (L) and the cuttable posture (K). An example of a certain state is shown.

The tape cutter B of this embodiment includes a movable body 2 provided with a blade P capable of taking an accommodation posture (L) and a cuttable posture (K). The tape cutter B is configured so that the blade P capable of cutting the adhesive tape T can be accommodated in the hollow portion C of the wound adhesive tape body A formed by winding the adhesive tape T in the accommodating posture (L). ..

The wound adhesive tape body A is one without a winding core, that is, a coreless one. The adhesive tape T constituting the wound adhesive tape body A is, for example, a masking tape. The wound adhesive tape body A is formed by winding and laminating an adhesive tape T having a predetermined length so as to surround the hollow portion C in a state where a hollow portion C in which the adhesive tape T does not exist is provided in the central portion. It was done. The coreless wound adhesive tape body A has a substantially annular shape when viewed from the side. The width dimension of the wound adhesive tape body A is set to be substantially the same as the width dimension of the outer ring member E in the tape cutter B (for example, 15 mm).

The wound adhesive tape body A is subjected to a so-called glue killing treatment on the inner peripheral surface n facing the hollow portion C. The "glue-killing treatment" is a known treatment for preventing the adhesive force of an adhesive (not shown) applied to the adhesive tape T from being exerted. For example, a tape for preventing the adhesive from being exposed. It is processed by imprinting or printing that can form a non-adhesive portion.

The tape cutter B is supported by a cutter body D having a blade P and a cutter body D so as to be rotatable relative to the cutter body D, and an outer ring member E in which an outer peripheral portion G can engage with an inner peripheral surface n of the wound adhesive tape body A. It is equipped with.

The cutter main body D is provided with a base body 1 arranged in the hollow portion C and a blade P, and is configured to be movable relative to the base body 1, that is, to be able to appear and disappear with respect to the base body 1, and has a cuttable posture (K). A movable body 2 capable of moving the blade P in the vicinity of the outer peripheral surface of the wound adhesive tape body A is provided. As shown in FIG. 5, for example, the cutter body D is configured so that the entire cutter body D can be accommodated in the hollow portion es of the outer ring member E in the accommodating posture (L). The cutter body D has a substantially circular shape in the side view in the accommodation posture (L).

The cutter body D is provided with a communication hole F into which a user's finger can be inserted when the movable body 2 is moved or when the cutter body D is rotated with respect to the outer ring member E. A concave groove portion I that engages with a positioning convex rail portion e1 provided on the inner peripheral portion of the outer ring member E is formed on the outer peripheral portion H of the base body 1. The concave groove portion I has a guide bottom surface i3 that can engage with the protruding tip surface of the convex rail portion e1, and a pair of guide side surfaces that can engage with both outer surfaces of the convex rail portion e1, that is, the first guide side surface i1 and the second guide. It has a side surface i2. A storage space sp capable of accommodating the movable body 2 is formed in the base body 1.

The base body 1 is always arranged in a space surrounded by an outer ring member E, that is, in a hollow portion es. As shown in FIG. 13, the base body 1 includes a first base body component J1 and a second base body component J2 that are connected to each other via a band-shaped or plate-shaped connecting member J3. Then, the inner surface side of the first base body constituent portion J1 pivotally connected to the connecting member J3 and the inner surface side of the second base body constituent portion J2 pivotally connected to the connecting member J3 are abutted against each other. As a result, for example, the base body 1 having an integral mass as shown in FIG. 6 is formed.

The first base body component J1 has a left outer surface 11s which is an outer surface on one side, and can form a communication hole F penetrating in the left-right direction in cooperation with the second base body component J2. The left outer wall portion 11 having the left communication hole constituent portion 11r and the outer peripheral portion H that can form the outer peripheral portion H that engages with the outer ring member E in cooperation with the second base body constituent portion J2, that is, the left peripheral wall portion 13. I have.

The left peripheral wall portion 13 has a first guide side surface i1 capable of partially guiding one side surface of the convex rail portion e1, a second guide side surface i2 capable of guiding the other side surface of the convex rail portion e1, and a second guide surface i2. It is provided with a guide bottom surface i3 located between the first guide side surface i1 and the second guide side surface i2.

As shown in FIG. 6, the first guide side surface i1 is formed on the retaining protrusion 13b of the elastic claw 13a, which is an elastic engaging body provided on the left peripheral wall portion 13. When the cutter body D is attached to the outer ring member E, the elastic claw 13a can be temporarily elastically deformed by being pressed by the convex rail portion e1 projecting from the inner peripheral surface of the outer ring member E. ing. In other words, the elastic claw 13a provided on the cutter body D prevents the cutter body D attached to the outer ring member E from detaching from the outer ring member E.

The second base body component J2 has a right outer surface 12s which is an outer surface on the other side, and can form a communication hole F penetrating in the left-right direction in cooperation with the first base body component J1. The right outer wall portion 12 having the right communication hole component portion 12r and the other, that is, the right peripheral wall portion 14 capable of forming the outer peripheral portion H engaged with the outer ring member E in cooperation with the first base body component portion J1. I have.

The movable body 2 is connected to the right outer wall portion 12 via the first hinge portion m1 which is a hinge portion. That is, a connecting portion with the movable body 2 is provided on the inner surface of the right outer wall portion 12.

The right peripheral wall portion 14 partially has a second guide side surface i2 capable of guiding the other side surface of the convex rail portion e1, and a guide bottom surface i3 located between the first guide side surface i1 and the second guide side surface i2. And have.

The movable body 2 has a storage posture (L) housed in the storage space sp formed in the base body 1 as shown in FIGS. 1 to 6, and is wound as shown in FIGS. 7 to 12 and 14. It is possible to take a cuttable posture (K) in which the blade P is positioned on the outer surface side of the adhesive tape body A. The movable body 2 is a cutter member having an intermediate member 21 connected to the base body 1 via the first hinge portion m1 and a blade P connected to the intermediate member 21 via the second hinge portion m2. It is equipped with 22.

The first hinge portion m1 and the second hinge portion m2 are so-called resin hinges formed of a thin synthetic resin that can be flexibly deformed. The movable body 2 makes it possible to operate the intermediate member 21 and the cutter member 22 between the cuttable posture (K) and the accommodating posture (L) by using the first hinge portion m1 and the second hinge portion m2. In this embodiment, the intermediate member 21 has a substantially rectangular plate shape, and the first hinge portion m1 and the second hinge portion m2 forming linear shapes are provided at the base end portion and the tip end portion, respectively, so that the blade P is wound. It is movable so as to be substantially parallel to the outer surface of the adhesive tape body A. For example, as shown in FIGS. 14 <a> <b>, the tape cutter B winds the blade P around the outer circumference of the wound adhesive tape body A regardless of the amount of the remaining amount of the adhesive tape T in the wound adhesive tape body A. It can be positioned so as to be substantially parallel to the surface.

The intermediate member 21 has a plate shape, the base end portion is connected to the second base body constituent portion J2 of the base body 1 via the first hinge portion m1, and the tip end portion is connected via the second hinge portion m2. It is connected to the cutter member 22.

When the movable body 2 is in the accommodation posture (L), the intermediate member 21 is positioned along the inner surface of the right outer wall portion 12 and is entirely located in the accommodation space sp. On the other hand, when the movable body 2 is in the cuttable posture (K), the tip portion of the intermediate member 21 is located outside the accommodation space sp, and the intermediate member 21 stands up against the inner surface of the right outer wall portion 12. It is designed to take a posture.

The cutter member 22 extends from the tip of the upright wall 221 provided with the blade P to the upright wall 221 whose base end is connected to the second hinge portion m2 in a direction intersecting the upright wall 221, that is, in a direction substantially orthogonal to the upright wall 221. It has a main wall 222.

The upright wall 221 has a plate shape. When the movable body 2 is in the accommodation posture (L), the standing wall 221 is in an upright posture with respect to the inner surface of the right outer wall portion 12, and the whole is located in the accommodation space sp, and the movable body 2 is in a cuttable posture. When forming (K), the cutter member 22 can be positioned by taking a posture in which the upright wall 221 is along one side of the wound adhesive tape body A, that is, near the left outer portion, and can come into contact with the wound adhesive tape body A. It has become a thing.

The main wall 222 has a plate shape. When the movable body 2 is in the accommodation posture (L), the entire main wall 222 is located in the accommodation space sp, and the outer surface 222s of the main wall 222 is substantially flush with the left outer wall portion 11 of the base body 1. It can be positioned to make an eggplant.

On the other hand, when the movable body 2 is in the cuttable posture (K), the standing wall 221 takes a posture along one of the wound adhesive tape bodies A, that is, near the left outer portion, and hits the wound adhesive tape body A. By being able to come into contact with each other, the cutter member 22 can be positioned at a position suitable for cutting the adhesive tape T.

The main wall 222 has a blade P provided at the front end portion, a notch R provided at the rear end portion and curved so as to form a part of a communication hole F, and a protrusion at the rear end portion rearward. The engaging convex portion Q that can engage with the engaging concave portion V provided in the base body 1 when the storage posture is formed, and the other side, that is, the right outer portion of the wound adhesive tape body A when the cuttable posture (K) is formed. It is provided with a posture-maintaining protrusion U projecting so as to be located in the vicinity.

The outer ring member E has an annular shape in a side view in a form that can be fitted inward to the wound adhesive tape body A. The outer ring member E is engaged with the outer peripheral portion H of the base body 1 and is supported so as to be rotatable relative to the base body 1.

The width dimension of the outer ring member E is set to be substantially the same as the width dimension of the cutter body D when the movable body 2 takes the accommodation posture (L) (for example, 15 mm) or larger than the width dimension of the cutter body D.

The outer ring member E has an outer peripheral portion G capable of engaging with the inner peripheral surface n of the wound adhesive tape body A. The outer peripheral portion G of the outer ring member E is provided with an insertion promoting means S for encouraging the insertion of the wound adhesive tape body A into the hollow portion C. The insertion promoting means S in this embodiment is provided with ribs r formed on the outer peripheral portion G of the outer ring member E and having the tip portion st engaged with the inner peripheral surface n facing the hollow portion C.

At the center of the inner peripheral portion of the outer ring member E in the left-right direction, a convex rail portion e1 for positioning that engages with the concave groove portion I provided on the outer peripheral portion H of the cutter main body D is continuously provided in the circumferential direction. ..

Hereinafter, the operation of the tape cutter B of the present embodiment will be schematically described.

First, the tape cutter B is internally fitted into the hollow portion C of the wound adhesive tape body A having a size corresponding to the tape cutter B. When the tape cutter B is inserted into the hollow portion C of the wound adhesive tape body A, the tip portion st of the rib r projecting from the outer ring member E is pressed against the inner peripheral surface n of the wound adhesive tape body A, and the outer ring member E and the wound adhesive tape body A are connected so that they can rotate integrally.

Next, a finger is inserted into the communication hole F of the cutter body D, the notch R of the cutter member 22 in the movable body 2 in the accommodation posture (L) is touched, and the cutter member 22 is moved outward from the accommodation space sp of the base body 1. That is, the operation of pulling out to the cuttable posture (K) side is performed.

When the movable body 2 is pulled out to the outside, first, the engagement between the engaging convex portion Q protruding from the main wall 222 of the cutter member 22 and the engaging concave portion V provided on the base body 1 is released. , The movable body 2 becomes movable with respect to the base body 1.

Since the intermediate member 21 is connected to the base body 1 via the first hinge portion m1, it gradually rises from the left outer wall portion 11 as the cutter member 22 moves outward. Further, the cutter member 22 connected to the intermediate member 21 via the second hinge portion m2 gradually moves away from the base body 1 by the user's pull-out operation, and is at a predetermined position where the adhesive tape T can be cut, that is, winding adhesive. It will move to the outer surface side of the tape body A.

When the movable body 2 operates from the accommodating posture (L) to the cuttable posture (K), the upright wall 221 of the cutter member 22 is located on the left side of the wound adhesive tape body A and is wound. The main wall 222 of the cutter member 22 is located on the outer peripheral surface side of the adhesive tape body A. Further, the posture-maintaining protrusion U projecting downward from the main wall 222 is located on the right side surface side of the wound adhesive tape body A, and is engaged with respect to the right side surface portion of the wound adhesive tape body A. It has become a match.

In other words, in the cuttable posture (K), the cutter member 22 is provided on the main wall 222 with the upright wall 221 and the posture-maintaining protrusion U cooperating with each other and positioned with respect to the wound adhesive tape body A. The blade P is configured to be able to take a suitable posture for easily cutting the adhesive tape T.

After that, the tip of the adhesive tape A is found while rotating the wound adhesive tape body A held by the outer ring member E with respect to the cutter body D, and the user desires from the wound adhesive tape body A. Pull out the adhesive tape T.

After that, the drawn adhesive tape T is pulled toward the blade P of the cutter member 22 in the cuttable posture (K), so that the adhesive tape T is cut by the blade P.

When the process for cutting the adhesive tape T is completed, the movable body 2 is moved from the cuttable posture (K) to the accommodation posture (L) through the reverse procedure of the above-mentioned procedure. Finally, by engaging the engaging convex portion Q formed at the rear end portion of the cutter member 22 with the engaging concave portion V provided in the base body 1, the movable body 2 preferably has the accommodation posture (L). Will be retained.

As described above, the tape cutter B according to the present embodiment is disposed in the hollow portion C of the wound adhesive tape body A formed by winding the adhesive tape T, and cuts the adhesive tape T. A cutter body D having a blade P to be obtained, and an outer ring member E that is rotatably supported with respect to the cutter body D and whose outer peripheral portion G can engage with the inner peripheral surface n of the wound adhesive tape body A are provided. ing.

Therefore, it is possible to provide a tape cutter B having a structure in which the wound adhesive tape body A can smoothly rotate with respect to the cutter main body D having a blade P capable of cutting the adhesive tape T.

It is provided with a convex rail portion e1 for positioning provided on the inner peripheral portion of the outer ring member E and a concave groove portion I provided on the outer peripheral portion H of the cutter body D and engaged with the convex rail portion e1.

Therefore, the outer ring member E can rotate relative to the cutter body D in a state where the outer ring member E is appropriately positioned with respect to the cutter body D.

The concave groove portion I is provided with a first guide side surface i1 which is a guide surface capable of guiding one side surface of the convex rail portion e1, and when the cutter body D is mounted on the outer ring member E, the convex rail portion e1 It has an elastic claw 13a that can be temporarily elastically deformed by being pressed by the elastic claw 13a, and the elastic claw 13a is provided with a first guide side surface i1.

Therefore, not only can the outer ring member E be suitably attached to the cutter body D, but it is difficult for the outer ring member E to be detached from the cutter body D after attachment.

An insertion promoting means S for encouraging the insertion of the wound adhesive tape body A into the hollow portion C is provided on the outer peripheral portion G of the outer ring member E, and the insertion promoting means S is formed on the outer peripheral portion G of the outer ring member E. A rib r is provided so that the tip portion st is engaged with the inner peripheral surface n facing the hollow portion C of the wound adhesive tape body A.

Therefore, the outer ring member E can be smoothly inserted into the hollow portion C of the wound adhesive tape body A, and the outer ring member E after insertion is suitably suitable for the inner peripheral surface n of the wound adhesive tape body A. Engagement allows the outer ring member E and the wound adhesive tape body A to rotate appropriately and integrally.

The cutter body D is provided with a communication hole F into which the user's finger is inserted. Therefore, the user can easily rotate the cutter body D with respect to the outer ring member E and the wound adhesive tape body A.

Further, the tape cutter B according to the present embodiment is configured so that the blade P capable of cutting the adhesive tape T can be accommodated in the hollow portion C of the wound adhesive tape body A formed by winding the adhesive tape T. Is. The tape cutter B is provided with a base body 1 arranged in the hollow portion C and a blade P so as to be movable relative to the base body 1, and the blade P is placed near the outer surface of the wound adhesive tape body A. It is provided with a movable body 2 that can be moved.

Therefore, in the case of the present embodiment, when not in use, the wound adhesive tape body A has a compact posture that does not overlap the outer surface and the outer peripheral surface of the wound adhesive tape body A and does not impair the appearance of the wound adhesive tape body A. It is possible to provide a tape cutter B having a structure that is easy to use while holding it in the hand at the time of use.

The movable body 2 can move the blade P so as to be substantially parallel to the outer peripheral surface of the wound adhesive tape body A. Therefore, the blade P can take an appropriate posture capable of cutting the adhesive tape T regardless of the amount of the remaining amount of the adhesive tape T in the wound adhesive tape body A.

A cutter member in which the movable body 2 has an intermediate member 21 connected to the base body 1 via the first hinge portion m1 and a blade P connected to the intermediate member 21 via the second hinge portion m2. It is equipped with 22.

Therefore, the intermediate member 21 and the cutter member 22 can be operated in a stable posture by the configuration in which the first and second hinge portions are provided.

The cutter member 22 has an upright wall 221 whose base end is connected to the second hinge portion m2, and a main wall 222 provided with a blade P and extending from the tip of the upright wall 221 in a direction intersecting the upright wall 221. It is equipped with. Therefore, by having the upright wall 221 and the main wall 222, the cutter member 22 can be suitably positioned with respect to the wound adhesive tape body A in order to cut the adhesive tape T.

The movable body 2 has a storage posture (L) housed in the storage space sp formed in the base body 1 and a cuttable posture (K) in which the blade P is positioned on the outer surface side of the wound adhesive tape body A. It can be taken.

Therefore, it is possible to provide the cutter body D which has a compact posture in the accommodation posture (L) and a suitable posture in which the adhesive tape T can be cut in the cuttable posture (K).

The cutter body D is composed of the base body 1 and the movable body 2, and the cutter body D has a communication hole F into which a user's finger is inserted when moving the movable body 2. Therefore, although the cutter body D has a compact posture, the movable body 2 can be easily pulled out to the outside by inserting a finger into the communication hole F. Further, the cutter body D can be easily rotated with respect to the outer ring member E by using the communication hole F.

It is provided with an outer ring member E that is engaged with the outer peripheral portion H of the base body 1 and is supported so as to be relatively rotatable with respect to the base body 1. Then, the outer peripheral portion G of the outer ring member E can engage with the inner peripheral surface n of the wound adhesive tape body A. Therefore, the wound adhesive tape body A can be rotated with respect to the cutter body D, and the adhesive tape T can be suitably cut at a desired position by the blade P of the movable body 2.

When the blade P is in the accommodating posture (L), the tape cutter B can expose the entire outer portion and the entire outer peripheral portion of the wound adhesive tape body A to the outside. Therefore, it is easy for the user to visually recognize the appearance characteristics of the wound adhesive tape body A attached to the tape cutter B.

For example, if the adhesive tape body T of the wound adhesive tape body A is a masking tape on which print indications such as various patterns are easily provided on the outer surface, it is preferable to apply the tape cutter B of the present embodiment. That is, since the tape cutter B can easily maintain the printed display of the masking tape in a state where it can be visually recognized from the outside, the masking tape can be cut when necessary while providing a suitable appearance based on the printed display of the masking tape. The operation can be performed.

The present invention is not limited to the embodiment described in detail above.

The tape cutter B, which is another embodiment, will be described with reference to FIGS. 16 to 19.

The tape cutter B of this embodiment is different from the above-described embodiment mainly in the configuration of the cutter member 22 in the movable body 2 and the width of the outer ring member E with respect to the cutter body D.

The outer surface 222s of the main wall 222 of the cutter member 22 is provided with a protrusion W so as to make it easier for the user's fingers to hang along the curved notch R. Further, the cutter member 22 includes a posture-maintaining extending wall U projecting from the edge of the main wall 222 located on the opposite side of the upright wall 221 in a direction substantially orthogonal to the main wall 222. An engaging convex portion Q capable of engaging with the base body 1 in the accommodation posture (L) is provided on the outer surface thereof. That is, the engaging convex portion Q projecting from the extending wall U can engage with the engaging concave portion V provided in the base body 1 when the accommodating posture (L) is formed.

The outer ring member E is set smaller than the width dimension of the cutter body D.

Even with the other embodiments described above, the intended purpose can be achieved.

The wound adhesive tape body is not limited to masking tape.

Further, the wound adhesive tape body does not have to be a coreless one, and may have a winding core.

A concave groove portion is provided on the inner peripheral portion of the outer ring member, and a convex portion or a convex rail portion engaged with the concave groove portion may be provided on the cutter body.

Needless to say, the sizes of the cutter body and the outer ring member constituting the tape cutter can be appropriately set according to the size of the wound adhesive tape body A to be mounted.

The movable body may be provided with two or more hinge portions. Further, the movable body may be provided with a plurality of plate-shaped or block-shaped intermediate members having hinge portions arranged at both ends.

The movable body may be provided with a flexible string-shaped, band-shaped, or wire-shaped intermediate member that connects the cutter member provided with the blade and the base body.

The movable body having a blade is not limited to the one that can move between the accommodation posture and the cuttable posture on the left side of the base body, and the movable body that can move between the accommodation posture and the cuttable posture on the right side of the base body. It may be.

The outer ring member is not necessarily limited to the one having an annular shape in the side view, and may have a different shape from the annular shape.

The width dimension of the outer ring member may be set to be substantially the same as the width dimension of the cutter body, or may be set to be smaller than the width dimension of the cutter body.

In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

A ... Winding adhesive tape body B ... Tape cutter D ... Cutter body E ... Outer ring member T ... Adhesive tape 1 ... Base body 2 ... Movable body P ... Blade

Claims

A tape cutter that is arranged in the hollow part of a wound adhesive tape body in which an adhesive tape is wound.
A cutter body having a blade capable of cutting the adhesive tape and an outer ring member that is rotatably supported with respect to the cutter body and whose outer peripheral portion can engage with the inner peripheral surface of the wound adhesive tape body are provided. Tape cutter.
A claim that includes a convex rail portion for positioning provided on either one of an outer peripheral portion of the cutter body and an inner peripheral portion of the outer ring member, and a concave groove portion provided on the other side and engaging with the convex rail portion. The tape cutter according to 1.
The convex rail portion is provided on the inner peripheral portion of the outer ring member.
The tape cutter according to claim 2, wherein the concave groove portion is provided in the cutter body.
The concave groove portion is provided with a guide surface capable of guiding one side surface of the convex rail portion.
3. The tape cutter described.
The tape cutter according to claim 1, 2, 3 or 4, wherein an insertion promoting means for promoting insertion into the hollow portion is provided on the outer peripheral portion of the outer ring member.
The tape cutter according to claim 5, wherein the insertion promoting means is formed on an outer peripheral portion of the outer ring member and provided with ribs whose tip portions engage with an inner peripheral surface facing the hollow portion.
The tape cutter according to claim 1, 2, 3, 4, 5 or 6, wherein the cutter body is provided with a communication hole into which a user's finger is inserted.