JP2018162150A - Tape cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tape cutter used by gripping optional spots of a tape wound in an annular form by a first gripping part and a second gripping part to enhance a holding property of the tape.SOLUTION: A tape cutter C detachably holding a tape T staying in an annular plate-like wound state, comprises first and second gripping parts sandwiching optional spots in a circumferential direction of the tape, and a pressing member 3 for pressing the second gripping part toward the first gripping part 1. The second gripping part is rotatably held by the pressing member.SELECTED DRAWING: Figure 14

Description

  The present invention relates to a tape cutter that uses an arbitrary portion of a tape wound in an annular shape by sandwiching it from inside and outside.

  Conventionally, as this type of tape cutter, a clip type that is used by sandwiching an arbitrary portion of a tape wound in an annular shape by a first sandwiching portion and a second sandwiching portion pivoted by a single shaft. Things are known.

  However, in such a case, since the relative angle between the first sandwiching portion and the second sandwiching portion changes, a gap is generated between the sandwiching portion and the tape as the thickness of the tape changes. . For this reason, the clamping force is inevitably biased only at one side edge of the tape, which may cause a problem in the tape holding property.

Japanese Utility Model Publication No. 6-39472

  The present invention pays attention to the above points, and in the tape cutter used by sandwiching and using an arbitrary portion of the tape wound in an annular shape by the first sandwiching portion and the second sandwiching portion, the tape holding property is improved. It aims to plan.

  The tape cutter according to the first aspect of the present invention is a tape cutter for detachably holding an annular wound tape, wherein the first and second clamps sandwich a desired portion in the circumferential direction of the tape. And a pressing member that presses the second clamping part toward the first clamping part, and the second clamping part is movably held by the pressing member.

  A tape cutter according to a second aspect of the present invention is the tape cutter according to the first aspect, wherein the second clamping portion is on the side facing the tape, the central portion is separated from the tape, and both ends are the tape. And having a facing surface that is recessed to approach.

  A tape cutter according to a third aspect of the present invention is the tape cutter according to the second aspect, wherein the opposing surface of the second clamping portion has a groove extending in the circumferential direction of the tape, and the tape The side edge portion is configured to engage with the groove.

  A tape cutter according to a fourth aspect of the present invention is the tape cutter according to the first, second or third aspect, wherein the first clamping portion is arranged on the outer peripheral side of the tape and the second clamping portion. Is arranged on the inner peripheral side of the tape, and a blade for cutting off the leading end of the tape is provided in the first clamping portion.

  According to a fifth aspect of the present invention, in the tape cutter according to the fourth aspect, the blade is provided on the inner side of the outer edge of the first clamping portion.

  According to a sixth aspect of the present invention, in the tape cutter according to the fifth aspect, the cutter is disposed so as to be inclined with respect to the tangent line of the tape.

  According to the present invention, it is possible to improve the holding property of the tape without causing a gap with the tape.

The front side perspective view which shows the tape cutter which concerns on one Embodiment of this invention. The back side perspective view showing the tape cutter concerning the embodiment. The front view which shows the tape cutter which concerns on the same embodiment. The right view which shows the tape cutter which concerns on the same embodiment. The top view which shows the tape cutter which concerns on the same embodiment. Sectional drawing in alignment with the AA in FIG. Sectional drawing which follows the BB line in FIG. The disassembled perspective view which shows the tape cutter which concerns on the same embodiment. The disassembled perspective view which shows the tape cutter which concerns on the same embodiment. The perspective view which shows the use condition of the tape cutter which concerns on the same embodiment. The top view which shows the use condition of the tape cutter which concerns on the same embodiment. FIG. 12 is a front sectional view taken along the line DD in FIG. 11. The sectional side view of the whole tape cutter which follows the EE line in FIG. The sectional side view of the whole tape cutter which follows the FF line in FIG. The right view which shows the tape cutter which concerns on other embodiment of this invention. The bottom view which shows the tape cutter which concerns on the same embodiment.

  One embodiment of the present invention will be described below with reference to FIGS.

  In the present embodiment, the present invention is applied to a clip-type tape cutter C.

  The tape cutter C is configured to detachably hold an annularly wound tape T as shown in FIG. 10. As shown in FIGS. 1 to 14, the tape cutter C is arbitrarily placed in the circumferential direction of the tape T. And a pressing member 3 that presses the second clamping part 2 toward the first clamping part 1.

  The tape T is a normal one in which a tape body T1 is wound around the outer periphery of a cylindrical paper tube T2.

  As shown in FIGS. 1, 2, 4, 8, 9, and 12, the first clamping unit 1 is configured by clamping a cutter blade 15 between a cover 11 and a blade stopper 13. It is arranged on the outer peripheral side of the tape T, that is, on the outer peripheral surface Ta side.

  As shown in FIGS. 1, 2, 4, 6 to 9, and FIGS. 12 to 14, the cover 11 is configured to pivotally attach the second holding portion 2 to the surface facing the tape T. The bearing portion 17, a spring retainer 19 provided in the vicinity of the bearing portion 17, and a recessed portion 21 for fitting the blade stopper 13, and a first end at the base end opposite to the tape T The operation part 23 is provided. The bearing portion 17 is composed of a pair of plate-like protrusions 25 erected in the vicinity of the base end of the cover 11, and the shaft holes 17 a are provided in both the protrusions 25 so that the shaft centers thereof coincide with each other. It has been. The spring retainer 19 has a cylindrical shape and is provided on the proximal end side of the bearing portion 17. The concave portion 21 is formed between the pair of side walls 27 and is provided with a plurality of ribs 29 that receive the blade stopper 13 from the inner side surface 27 a of the side wall 27 to the bottom surface 21 a of the concave portion 21. The receiving surface 29a of each rib 29 is inclined so as to gradually expand toward the tape T direction. Engaging recesses 31 for fixing the blade stopper 13 are formed at both longitudinal ends of the recessed portion 21. The outer surface 27a of one side wall 27 constituting the recessed portion 21 can be used as shown in FIGS. 1, 2, 4, 5, 8, 9, 11, and 12. A meat stealing portion 33 having a width dimension larger than the maximum tape width is formed.

  As shown in FIGS. 6 to 9 and FIGS. 12 to 14, the blade stopper 13 is a thick plate that fits into the recessed portion 21, and the upper surface 13 a substantially corresponds to the outer peripheral surface Ta of the tape T. While being formed in a partial cylindrical surface shape, both side surfaces 13 b are inclined so as to abut or approach the receiving surfaces 29 a of the ribs 29. In other words, the upper surface 13a of the blade stopper 13 has an arc shape substantially along the outer peripheral surface Ta of the tape T in a front sectional view. The bottom surface 13c of the blade stopper 13 faces the bottom surface 21a of the recessed portion 21 through a gap. Engaging claws 35 that engage with the engaging recesses 31 of the recessed portion 21 are provided on both end faces 13d in the longitudinal direction of the blade stopper 13. One engagement claw 35 is provided at the tip of an elastic wall 37 that can be elastically deformed in the thickness direction, and the engagement claw 35 is associated with the corresponding engagement claw 35 using the temporary elastic deformation of the elastic wall 37. Each can be engaged with the recess 31. On one side surface 13b of the blade stopper 13, for example, a first protrusion 39 bulging in a spherical shape and a second protrusion 41 having a thick plate shape, for example, for positioning the cutter blade 15 are formed. The first projection 39 is fitted into the circular hole of the cutter blade 15 and the second projection 41 is fitted into the rectangular hole of the cutter blade 15 so that the cutter blade 15 is fitted to the side surface 13b of the blade stopper 13. It can be attached in the positioning state. In this way, after the cutter blade 15 is brought into contact with the side surface 13b, the blade stopper 13 is fitted into the recessed portion 21 of the cover 11, so that the cutter blade 15 is connected to the side surface 13b and the rib. It is attached to the 1st clamping part 1 in the state clamped between 29 receiving surfaces 29a. In this attached state, the second protrusion 41 is fitted between the ribs 29 and the blade stopper 13 is positioned relative to the cover 11. In this way, the first clamping part 1 is provided with the cutter blade 15 for cutting off the leading end Ts of the tape T. In this attached state, the cutter blade 15 is provided with the first clamping part 1. It is located inside the outer edge 1 a of the part 1. The cutter blade 15 is arranged to be inclined so as to form an acute angle with respect to the tangent L1 of the tape T, and the blade edge 15x is set to be close to the outer peripheral surface Ta of the tape T. In addition, a stopper protrusion 42 is provided at an end portion of the upper surface 13a of the blade stopper 13 near the bearing portion 17 to prevent the tape T from being disposed at a place where the cutter blade 15 does not exist.

  The second sandwiching portion 2 is disposed on the inner peripheral side of the tape T, that is, on the inner peripheral surface Tb side, and is rotatably held by the pressing member 3.

  On the side facing the tape T, the second sandwiching portion 2 has a facing surface 43 that is recessed so that the central portion 43a is separated from the tape T and both end portions 43b are close to the tape T. The facing surface 43 has a plurality of grooves 43c extending in the circumferential direction of the tape T, and both side edges Tc of the tape T are engaged with any two of the plurality of grooves 43c. It is configured.

  More specifically, as shown in FIG. 1, FIG. 2, FIG. 4, FIG. 6 to FIG. 10 and FIG. 12 to FIG. It is a thick plate that is curved so as to approach the tape T, and the width dimension of the other half piece 47 is set larger than the width dimension of the central portion 44 and the half piece 45. Bearing holes 49 are provided on both side surfaces of the central portion 44. As described above, the plurality of grooves 43c are formed in parallel on the facing surface 43 facing the tape T of the second sandwiching portion 2, and the entire inner surface Tb of the tape T is formed as the entire facing surface 43. It has a partial cylindrical shape substantially along the line. In other words, the facing surface 43 has an arc shape substantially along the inner peripheral surface Tb of the tape T in front view. In addition, the upper surface of the central portion 44 of the second sandwiching portion 2 is adapted to hang fingers when the tape T is cut. From the central portion 44 to the other piece to prevent slippage. An anti-slip groove 50 is formed on the upper surface of the portion straddling the half portion 47.

  The 2nd clamping part 2 demonstrated above is attached to the rotation end part 3b of the press member 3 so that a seesaw operation | movement is possible.

  The pressing member 3 has a cantilevered arm shape in which a base end portion 3a is rotatably supported by the first holding portion 1, and the second holding portion 2 can be rotated at a rotating end portion 3b. keeping.

  More specifically, as shown in FIGS. 1, 2, 5 to 11, 13, and 14, the pressing member 3 includes a proximal end piece half 51 and a bifurcated rotating end side. One half 53 is provided integrally. A second operation portion 55 is provided at the base end of the base end side half 51, and the side of the base end side half 51 facing the tape T is pivotally supported by the bearing portion 17. A pair of protrusions 57 each having a shaft 61 and a spring retainer 59 are provided. The both protrusions 57 are arranged inside the protrusions 25 forming a pair of the first clamping part 1, and the shaft 61 is formed in the shaft hole 17 a of the bearing part 17 by utilizing elastic deformation of a member. Each is rotatably supported. The pressing member 3 is urged to rotate in a direction in which a rotating end 3 b approaches the first clamping unit 1 by a compression coil spring 60 disposed between the spring retainers 19 and 59. On the opposing surface 53a of the rotation end side half 53 forming a pair of the pressing members 3, the connecting shafts 63 project from each other so that their axial centers coincide with each other, and these connecting shafts 63 cause elastic deformation of the members. It is fitted into the bearing hole 49 of the second clamping part 2 by using it. The bearing hole 49 of this embodiment includes a hole main body 49a having a true circular cross section, and a key groove portion 49b recessed in a part of the inner peripheral surface of the hole main body 49a. On the other hand, the connecting shaft 63 fitted in the bearing hole 49 is provided with a shaft main body 63a that is rotatably fitted in the hole main body 49a and an outer peripheral surface of the shaft main body 63a so as to protrude into the key groove portion 49b. And a protrusion 63b that has entered. The protrusion 63b has a width smaller than the groove width of the key groove portion 49b. When the protrusion 63b reciprocates in the key groove portion 49b, the second holding portion 2 is pressed. The member 3 can be rotated by a certain angle range.

  The width dimension of the pressing member 3 of this embodiment is made to correspond to the width dimension of the other half portion 47 of the second clamping part 2 as shown in FIGS. Further, the separation dimension between the rotation end side half halves 53 of the pressing member 3 is made to substantially correspond to the width dimension of the one half half 45 of the second clamping part 2.

  Next, the operation of the tape cutter C of this embodiment will be described.

  In the non-use state shown in FIGS. 1 to 7, the rotation end 3 b of the pressing member 3 is biased in the direction approaching the first clamping unit 1 by the biasing force of the compression coil spring 60. The two clamping parts 2 are held at a position closest to the first clamping part 1. When the first operating part 23 provided in the first clamping part 1 and the second operating part 55 provided in the pressing member 3 are operated in this direction by pinching with fingers or the like from this state, the compression coil It operates in such a manner that the whole opens the clip while compressing the spring 60. That is, when the first operation portion 23 and the second operation portion 55 are operated in the direction of approaching, the rotation end portion 3b of the pressing member 3 operates in a direction away from the first clamping portion 1. The second holding part 2 pivotally supported by the pressing member 3 is separated from the first holding part 1. When the operation is stopped after the desired portion of the tape T is inserted between the first and second holding portions 1 and 2 in this state, the desired portion of the tape T is moved to the first position by the urging force of the compression coil spring 60. It is clamped from the inside and outside by one clamping unit 1 and the second clamping unit 2 and is in a use state as shown in FIGS. In this state of use, the outer peripheral surface Ta of the tape T is in contact with the upper surface 13a of the blade stopper 13 of the first clamping unit 1 and the inner peripheral surface Tb of the tape T is the first clamping unit 2 by the first clamping unit 2. It is pressed in the direction of the clamping unit 1. At this time, both side edge portions Tc of the tape T are engaged with any two of the plurality of grooves 43c of the second sandwiching portion 2, and displacement of the tape T in the axial direction is prevented. The That is, in this embodiment, one of the side edges T2c of the paper tube T2 forming the inner peripheral surface Tb of the tape T is one of the grooves 43c provided in one half of the second sandwiching portion 2. And the other side edge T2c of the paper tube T2 is engaged with one of the grooves 43c provided in the other half of the second sandwiching portion 2. Since a plurality of the grooves 43c are provided in parallel, the grooves 43c can be applied to various tapes T having different width dimensions.

  In such a state of use, the tip Ts is pulled out from the tape T, and the tip Ts is pulled toward the first clamping portion 1 while being pulled toward the first clamping portion 1, thereby pulling the tip Ts. The base of the portion Ts is cut by the cutter blade 15 so that the tip portion Ts can be separated from the wound tape T. When cutting the tip portion Ts of the tape T one after another, the first and second operation portions 23 and 55 are pinched each time the cutting is completed, and the holding state by the first and second holding portions 1 and 2 is changed. The same operation may be performed by loosening and moving the clamping position in the circumferential direction to pull out the tip Ts.

  With such a configuration, the second clamping part 2 is caused to perform a seesaw operation with respect to the pressing member 3, so that the second clamping part 2 exerts equal force on both side edges Tc of the tape T. Can be pressed in the direction of the first clamping unit 1. Therefore, the second clamping part 2 can be brought into contact with the inner peripheral surface Tb of the tape T even though the pressing member 3 is rotating, so that the second clamping part and the tape It is possible to effectively prevent the occurrence of a problem that a gap is formed between one side edge portion of T and the pressing force of the tape T becomes uneven. That is, there is no gap between the second sandwiching portion 2 and the tape T, and the retention is improved.

  In this embodiment, the second clamping part 2 is opposed to the side facing the tape T so that the center part 43a is recessed from the tape T and both end parts 43b are close to the tape T. 43, the lateral displacement of the tape T can be suppressed. Further, in the present embodiment, the facing surface 43 of the second sandwiching portion 2 has a plurality of grooves 43c extending in the circumferential direction of the tape T, and both side edge portions 43 of the tape T are the plurality of the plurality of grooves 43c. Since the groove 43c is engaged with any two of the grooves 43c, even if the tape T having various width dimensions is used, the lateral displacement of the tape T is prevented and a stable holding state is ensured. Can do. In order to prevent the tape from slipping, it is possible to adopt a mode in which a plurality of convex portions are provided instead of the plurality of grooves on the opposing surface of the second clamping portion. If it is the aspect which provides 43c, since the both-sides edge part Tc of the tape T linearly contact | abuts to the said groove | channel 43c, the tape T can be hold | maintained more effectively. Further, when it is only necessary to deal with a tape having a single width dimension, the surface of the second sandwiching portion facing the tape may be shaped along the inner peripheral surface of the tape.

  Furthermore, in this embodiment, since the cutter blade 15 is provided on the inner side of the outer edge 1a of the first sandwiching portion 1, it is difficult for the hand to directly touch the tooth tip 15x of the cutter blade 15, thereby improving safety. it can. The safety may be ensured by other methods such as devising the shape of the blade edge of the cutter blade. However, if the cutter blade 15 is provided inside the outer edge of the first clamping portion 1, the cutter blade It is excellent in that safety can be ensured regardless of the shape of the 15 cutting edges 15x.

  In addition, since the cutting edge 15x of the cutter blade 15 is brought close to the tape T, the position where the tape T is cut is easily understood. In addition, since the cutter blade 15 is inclined so as to form an acute angle with respect to the tangent L1 of the tape T, the movable range in the arrow X direction in FIG. Since a large amount can be secured, it is possible to cut off the leading end Ts of the tape T without requiring a large force. In particular, in this embodiment, since the meat stealing portion 33 is provided on the side wall 27 of the first sandwiching portion 1, it is possible to increase the ease of separation. Moreover, it is also possible to put a risk prevention seal or the like on the meat stealing portion 33 to appeal the existence of the cutter blade 15.

  The present embodiment is not limited to the embodiment described above.

  For example, in the embodiment, the pressing member has a cantilevered arm shape in which the base end portion is rotatably supported by the first holding member, and the second end is provided on the rotating end portion of the pressing member. However, the present invention is not limited to this, and the present invention can be similarly applied to a structure in which the pressing member moves in various ways. However, if it is applied to a clip type, it is possible to prevent the occurrence of a gap between the sandwiching portion and the tape with a simple configuration as described above, and to effectively improve the retention.

  Even when the clip type is adopted, the present invention is not limited to the above embodiment, and various modifications can be made. For example, the pressing member and the second holding portion may be connected by a universal joint method, a resin hinge method, or the like in addition to the shaft that is used to support the second holding portion at the tip of the pressing member.

  Furthermore, in the said embodiment, although the 1st clamping part was distribute | arranged to the outer peripheral side of a tape, and the 2nd clamping part was distribute | arranged to the inner peripheral side of a tape, by adjusting the shape of the said clamping part, The first clamping part may be arranged on the inner peripheral side of the tape, and the second clamping part held by the pressing member may be arranged on the outer peripheral side of the tape. In this case, a cutter blade is provided on the second clamping unit side.

  In addition, the first clamping unit is not limited to the above-described embodiment, and various modifications can be made. An example thereof will be described below with reference to FIGS. In this aspect, the tape cutter C2 is configured such that the surface 1x on the side opposite to the tape of the first clamping unit 1 can be easily placed on a flat surface such as a top plate, and a groove 1y for preventing slippage is provided on the surface 1x on the side opposite to the tape. It is a thing. The tape cutter C2 has the same configuration as that of the tape cutter C described with reference to FIGS. 1 to 14 except for the points described above, and is the same as each part corresponding to the tape cutter C. The description and the description are omitted.

  And in the said embodiment, it has a several groove | channel extended in the circumferential direction of a tape in the said opposing surface of a 2nd clamping part, and the both-sides edge part of the said tape is in two of the said grooves. Even if it is an aspect in which only one groove is provided on the facing surface of the second clamping part and only one groove is provided on the side edge of the tape, the tape does not slip. In addition, it is possible to prevent tilting.

  In addition, various changes may be made without departing from the spirit of the present invention.

C ... tape cutter 1 ... first clamping part 1a ... outer edge of the first clamping part 2 ... second clamping part 3 ... pressing member 3a ... base end part 3b ... rotating end part 15 ... cutter blade 43 ... opposite surface 43a ... Center part of the opposing surface 43b ... End part of the opposing surface 43c ... Groove T ... Tape Tc ... Side edge part of the tape Ts ... Tip part of the tape

Claims (7)

In a tape cutter that removably holds an annularly wound tape,
First and second sandwiching portions sandwiching arbitrary portions in the circumferential direction of the tape;
A pressing member that presses the second clamping part toward the first clamping part,
A tape cutter in which the second holding portion is rotatably held by the pressing member. 2. The tape cutter according to claim 1, wherein the second sandwiching portion has an opposing surface on the side facing the tape, the center portion being recessed from the tape so that both end portions are close to the tape. 3. The tape according to claim 2, wherein the facing surface of the second holding portion has a groove extending in a circumferential direction of the tape, and a side edge portion of the tape is engaged with the groove. cutter. The first sandwiching portion is disposed on the outer peripheral side of the tape and the second sandwiching portion is disposed on the inner peripheral side of the tape, and the leading end portion of the tape is separated from the first sandwiching portion. A tape cutter according to claim 1, 2 or 3, wherein a cutter blade is provided. The tape cutter according to claim 4, wherein the cutter blade is provided on the inner side of the outer edge of the first clamping portion. The tape cutter according to claim 5, wherein the cutter blade is disposed so as to be inclined with respect to a tangent line of the tape. The pressing member is a cantilever arm having a base end portion rotatably supported by the first clamping member, and the second clamping member is rotatably held at a rotating end portion of the pressing member. The tape cutter according to claim 1, 2, 3, 4, 5, or 6.

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