JP2009029526A - Tape cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tape cutter capable of replacing a tape roll easily and preventing side faces of the tape roll supported by a tape loading part from being soiled due to the adhesion of dust and dirt. <P>SOLUTION: A pair of roll guiding members 53, 54 rotatably supporting the tape roll 36 when pulling out the adhesive tape 35 while contacting with the outer circumference of the tape roll 36 at two positions including a pulling-out point P of the adhesive tape 35 on the tape roll 36 are provided in a tape loading part 38 to which the tape roll 36 for rolling the adhesive tape 35 is loaded. Thus, the tape roll 36 can be rotatably supported without using a reel and the replacing operation of the tape roll 36 becomes easy. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a tape cutter for installing on a desk or the like and drawing and cutting an adhesive tape from a tape roll.

A tape cutter shown in FIG. 6 is known as a conventionally used tape cutter.
This tape cutter 1 is disclosed in the following Patent Document 1, and is a tape roll 6 in which an adhesive tape 5 is wound around an outer periphery of a cylindrical core around a main body 3 having a shape that is stably placed on a desk or the like. And a cutter blade that cuts the adhesive tape 5 that is mounted at a position appropriately separated from the tape loading unit 8 in the tape pull-out direction and pulled out from the tape roll 6 of the tape loading unit 8. 11 and tape temporary fixing surfaces 13a and 13b that are provided between the cutter blade 11 and the tape loading unit 8 and support the adhesive tape 5 drawn from the tape roll 6 by sticking. .

As shown in FIG. 7, the tape loading unit 8 includes a reel 15 that fits into the core of the inner peripheral portion of the tape roll 6, and a recess 16 that opens on the upper surface of the main body 3 to accommodate the reel 15. ing.
A longitudinal groove 17 into which the central shaft 15a of the reel 15 is fitted is formed on the inner side surface of the concave portion 16 facing each other. The reel 15 on which the tape roll 6 is mounted has its central shaft 15a fitted in the vertical groove 17 of the recess 16 so that the movement of the adhesive tape 5 in the pull-out direction is restricted, and at the same time, the adhesive tape 5 is pulled out. And is supported rotatably.

JP-A-8-141979

  However, in the tape cutter 1 that rotatably supports the tape roll 6 via the reel 15 as described above, when the tape roll 6 is replaced, the reel 15 is first extracted from the main body 3 as shown in FIG. Then, after the used tape roll 6 is detached from the reel 15, it is necessary to fit the new tape roll 6 to the reel 15 and to return the reel 15 to the original state, which requires troublesome replacement. there were.

  Further, as shown in the figure, the conventional tape cutter 1 has a problem that the side surface of the tape roll 6 is easily soiled by dust and dirt because the tape roll 6 of the tape loading unit 8 is exposed to the outside. It was.

  Therefore, an object of the present invention has been made to solve the above-described problems, and the tape roll can be easily replaced, and the side surface of the tape roll supported by the tape loading unit is caused by adhesion of dust and dirt. It is an object of the present invention to provide a tape cutter that can prevent contamination.

The present invention that can solve the above-mentioned problems is a method of cutting a tape loading unit that rotatably supports a tape roll in which an adhesive tape is wound around the outer periphery of a cylindrical core, and the adhesive tape drawn out from the tape roll. A tape cutter with a cutter blade to perform,
The tape loading unit is provided with a roll guide member that abuts at least two positions across the pulling point of the adhesive tape on the outer periphery of the tape roll and supports the tape roll rotatably.

According to the above configuration, the tape roll loaded in the tape loading unit is configured to be rotatably supported by the roll guide member at at least two positions sandwiching the pull-out point of the adhesive tape on the outer periphery of the tape roll. A reel that fits on the inner circumference of this is not used.
Therefore, when replacing the tape roll, after pulling out the used tape roll from the tape loading section, a new tape roll is inserted into the empty tape loading section, and the pulling end of the adhesive tape from the tape roll is used as a pair of rolls. It is only necessary to insert between the guide members. Compared with the conventional structure in which the tape roll is rotatably supported using a reel, the work at the time of replacing the tape roll can be greatly reduced, and the tape roll can be easily replaced. .
In addition, since the reel that is fitted to the inner periphery of the tape roll is not used, the usable tape roll is not limited by the inner diameter of the cylindrical core, and a wider variety of tape rolls can be used. Become.

Further, in the present invention, the tape loading unit has a structure that covers substantially the entire circumference of the tape roll with a roll housing recess that houses the tape roll and a cover member that covers the roll housing recess so as to be opened and closed. ,
One of the roll guide members is provided on the cover member side, and the other is provided on the roll housing recess side.

According to the above configuration, the tape roll can be replaced by opening the cover member and extracting the used tape roll from the roll receiving recess of the main body, and then inserting a new tape roll into the roll receiving recess. If the cover member is closed with the end of the adhesive tape pulled out from the tape temporarily fixed to the tape temporary fixing surface, the pair of roll guide members abuts the outer periphery of the tape roll at two positions sandwiching the pull-out point of the adhesive tape A state is obtained, and it is not necessary to insert the adhesive tape between the pair of roll guide members, and the tape roll can be easily replaced.
Moreover, since the tape roll of the tape loading section is covered almost entirely by the roll housing recess formed in the main body and the cover member covering the open side, it is difficult for the surrounding dust and dirt to enter the tape loading section. It is possible to prevent the side surface of the tape roll supported by the tape loading unit from becoming dirty due to the adhesion of dust and dirt.

  In the present invention, a roll urging means for urging the tape roll in the tape loading section toward the roll guide member is provided.

According to the above configuration, the tape roll loaded into the tape loading unit is always rotatably positioned at a fixed position in which the outer peripheral portions are in contact with the pair of roll guide members regardless of the winding diameter.
Therefore, when the adhesive tape is pulled out, it is possible to prevent the inconvenience that the outer periphery of the tape roll is separated from the roll guide member and the rotation operation of the tape roll becomes unstable, and stable operability can be ensured.

  In the present invention, the roll guide member may be a pair of guide rollers rotatably supported by the cover member or the roll housing recess.

  According to the above configuration, the contact friction between the roll guide member and the tape roll can be reduced during the operation of pulling out the pressure-sensitive adhesive tape, and the pressure-sensitive adhesive tape can be pulled out with a smaller operation force, thereby improving handling. Can do. Moreover, since the contact friction between a roll guide member and a tape roll can be reduced, it can also prevent that the surface of an adhesive tape is rubbed and damaged.

  In the present invention, the cover member is made of a transparent material.

  According to the said structure, the residual amount of the tape roll in a tape loading part, etc. can be confirmed over the said cover member, and generation | occurrence | production of inconveniences, such as a sudden tape break, can be prevented.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a tape cutter according to the present invention will be described in detail with reference to the drawings.
1 is a perspective view of a tape cutter according to an embodiment of the present invention with a cover member opened, FIG. 2 is a side view of the tape cutter shown in FIG. 1, and FIG. 3 is a perspective view of the tape cutter shown in FIG. FIG. 4 is a side view showing a state in which the cover member is closed and the loaded tape roll is rotatably supported by a pair of roll guide members. FIG. 4 is a view of the state of FIG. When a diameter becomes small, it is a side view which shows the state in which the tape roll is stably supported rotatably by a pair of roll guide members.

  The tape cutter 31 according to this embodiment is configured to rotatably support a tape roll 36 in which an adhesive tape 35 is wound around an outer periphery of a cylindrical core 34 on a main body 33 having a shape that is stably placed on a desk or the like. And an adhesive tape 35 that is mounted at a position appropriately separated from the tape loading unit 38 in the tape drawing direction (in the direction of arrow A in FIG. 1) and drawn from the tape roll 36 of the tape loading unit 38. A cutter blade 41 for cutting, and a tape temporary fixing surface 43 provided between the cutter blade 41 and the tape loading unit 38 for sticking and supporting the adhesive tape 35 drawn from the tape roll 36 are provided.

  The main body 33 is an injection-molded product made of synthetic resin, and a finger is placed between the front column portion 45 equipped with the cutter blade 41 and the rear box portion 46 providing the tape loading portion 38 during the tape pulling operation. A trough 47 to be inserted is formed.

  In the case of the present embodiment, the tape loading unit 38 can open and close a roll accommodating recess 48 formed on the upper surface of the rear box 46 of the main body 33 to accommodate the tape roll 36 and an open side of the roll accommodating recess 48. And a cover member 49 that covers the entire circumference of the tape roll 36.

  The roll accommodating recess 48 is formed in an upper and front direction by an arc-shaped bottom wall 48a, a pair of side walls 48b and 48c facing each other with the bottom wall 48a interposed therebetween, and a rear wall 48d standing at the rear end of the bottom wall 48a. An open, thick semicircular storage space is formed. As shown in FIG. 3, about the lower half (slightly more than half in the drawing) of the tape roll 36 having the maximum winding diameter can be accommodated.

When the cover member 49 is in a closed state as shown in FIG. 3, a thick semicircular accommodation space 49 a opposite to the roll accommodation recess 48 is formed in the upper part of the roll accommodation recess 48. The part which protrudes upward from the roll accommodating recessed part 48 of the roll 36 is covered.
The cover member 49 is formed of a transparent material such as a transparent resin, and the rear end portion thereof is rotatably connected to the rear end portion of the main body 33 by the hinge 51. The upper open part of the recess 48 is opened and closed.

In the case of the present embodiment, as shown in FIG. 1, the cover member 49 is provided with an engaging portion 73 that engages with a locking piece 71 formed integrally with the rear box portion 46 when closed. The closed state is locked by the engagement of the locking piece 71 and the engaging portion 73.
In this case, the lock means that the cover member 49 is moved to the rear box so that the cover member 49 is not opened by the pressing force from the tape roll 36 acting on the pair of roll guide members 53 and 54 when the adhesive tape 35 is pulled out. This is the force that locks the portion 46.
For example, when the cover member 49 is pulled with a finger in the opening direction with a certain force in order to open the cover member 49, the locking by the engagement of the locking piece 71 and the engaging portion 73 is due to elastic deformation of the locking piece 71. It is released by disengagement.

In the tape loading section 38 constituted by the roll accommodating recess 48 and the cover member 49, the tape abuts the outer periphery of the tape roll 36 at two positions sandwiching the pulling point P (see FIG. 1) of the adhesive tape 35 on the tape roll 36. A pair of roll guide members 53 and 54 that rotatably support the tape roll 36 when the adhesive tape 35 is pulled out are provided.
Of the pair of roll guide members 53, 54, the roll guide member 53 located in the accommodation space 49 a is attached to the cover member 49, and the roll guide member 54 located in the roll accommodation recess 48 is attached to the main body 33. ing.

  In the case of the present embodiment, the pair of roll guide members 53 and 54 are guide rollers that are rotatably supported by the cover member 49 or the main body 33, respectively.

  Further, in the case of the present embodiment, as shown in FIGS. 3 and 4, the tape loading section is maintained so that the tape roll 36 in the tape loading section 38 is in contact with the pair of roll guide members 53 and 54. A roll urging means 61 for urging the tape roll 36 in the pair 38 toward the pair of roll guide members 53 and 54 is provided.

  As shown in FIGS. 3 and 4, the roll urging means 61 includes a third roll guide member 63 that is in contact with a pair of roll guide members 53 and 54 on the outer periphery of the tape roll 36, and a third roll guide member 63. A first link 65 movably supporting a third roll guide member 63 on a trajectory Tr having a radius R centered on a fulcrum 65 a on the rear box portion 46, and a third roll guide member 63 is wound around the tape roll 36. A spring member 66 that urges the first link 65 counterclockwise in FIGS. 3 and 4 so as to be movable following the change in diameter, and a cover member 49 is opened as shown in FIGS. An interlocking link that releases the urging force of the spring member 66 when the cover member 49 is opened by rotating the articulation plate 68 having the fulcrum 67 of the spring member 66 clockwise around the fulcrum 65a in conjunction with the operation. 69.

  Therefore, when the cover member 49 is opened, as shown in FIG. 2, the third roll guide member 63 is retracted to the rearmost part of the roll accommodating recess 48, and when the cover member 49 is closed, it gradually advances. Then, as shown in FIGS. 3 and 4, the tape roll 36 accommodated is pressed toward the pair of roll guide members 53 and 54.

  In the case of this embodiment, in order to reduce the contact friction between the third roll guide member 63 and the tape roll 36, the third roll guide member 63 is rotatable between the pair of first links 65. A supported third guide roller is used.

In the tape cutter 31 of the present embodiment described above, the tape roll 36 loaded in the tape loading unit 38 has two positions sandwiching the pulling point P of the adhesive tape 35 on the tape roll 36 as shown in FIG. Therefore, a reel that is fitted to the inner periphery of the tape roll 36 is not used. The reel guide members 53 and 54 that are in contact with the outer periphery of the tape roll 36 are rotatably supported.
Therefore, when replacing the tape roll 36, as shown in FIG. 1, the cover member 49 is opened to open the tape loading section 38, and after the used tape roll 36 is pulled out from the tape loading section 38, the empty space is removed. It is only necessary to insert a new tape roll 36 into the tape loading section 38 and insert the lead-out end of the adhesive tape 35 from the tape roll 36 between the pair of roll guide members 53, 54. Compared with the conventional structure in which the tape roll 36 is rotatably supported, the work at the time of replacing the tape roll 36 can be greatly reduced, and the replacement of the tape roll 36 is facilitated.

  In addition, since the reel fitted to the inner periphery of the tape roll 36 is not used, the usable tape roll 36 is not limited by the inner diameter of the cylindrical core 34, and more types of tape rolls 36 are used. It becomes possible.

  Further, in the tape cutter 31 of the present embodiment, since one of the pair of roll guide members 53 and 54 is mounted on the cover member 49 and the other is mounted on the main body 33, the replacement work of the tape roll 36 is performed by the cover member 49. Is opened, and the used tape roll 36 is extracted from the roll accommodating recess 48 of the main body 33, and then the new tape roll 36 is inserted into the roll accommodating recess 48 and the end of the adhesive tape 35 pulled out from the tape roll 36 is The cover member 49 is closed in a state where the tape is adhesively fixed to the tape temporary fixing surface 43. When mounted in this manner, a state in which the pair of roll guide members 53 and 54 are in contact with the outer periphery of the tape roll 36 at two positions sandwiching the drawing point P of the adhesive tape 35 is obtained. There is no need to insert between the guide members 53 and 54, and the tape roll 36 can be easily replaced.

  In addition, the tape roll 36 of the tape loading unit 38 is almost entirely covered with a roll accommodating recess 48 formed in the main body 33 and a cover member 49 covering the open side thereof. For this reason, it is difficult for surrounding dust and dirt to enter the tape loading unit 38, and it is possible to prevent the side surface of the tape roll 36 supported by the tape loading unit 38 from becoming dirty due to adhesion of dust and dirt.

Further, in the tape cutter 31 of the present embodiment, the tape roll 36 in the tape loading unit 38 is maintained so that the tape roll 36 in the tape loading unit 38 is in contact with the pair of roll guide members 53 and 54. Is provided with roll urging means 61 that urges the pair toward the pair of roll guide members 53 and 54.
Therefore, as shown in FIG. 4, the tape roll 36 introduced into the tape loading unit 38 is always fixed with the outer peripheral part in contact with the pair of roll guide members 53 and 54 regardless of the winding diameter. Positioned so as to be freely rotatable.
Therefore, when the adhesive tape 35 is pulled out, it is possible to prevent the inconvenience that the outer periphery of the tape roll 36 is separated from the roll guide member and the rotational operation of the tape roll 36 becomes unstable, and stable operability can be secured. it can.

In the tape cutter 31 of the present embodiment, the pair of roll guide members 53 and 54 are guide rollers that are rotatably supported by the cover member 49 or the main body 33.
Therefore, when the adhesive tape 35 is pulled out, the contact friction between the pair of roll guide members 53 and 54 and the tape roll 36 can be reduced to a minimum, and the adhesive tape 35 can be pulled out with a smaller operating force. , Handling properties can be improved.
Further, since the contact friction between the roll guide members 53 and 54 and the tape roll 36 can be reduced, it is possible to prevent the surface of the adhesive tape 35 from being rubbed and damaged.

  Furthermore, in the tape cutter 31 of the present embodiment, the cover member 49 is formed of a transparent material. Therefore, the remaining amount of the tape roll 36 in the tape loading unit 38 can be confirmed through the cover member 49, and inconveniences such as a sudden tape break can be prevented.

In the tape cutter according to the present invention, the specific structure of the pair of roll guide members that rotatably support the tape roll 36 by contacting the outer periphery of the tape roll 36 is the same as that of the guide roller described in the above embodiment. Not exclusively.
FIG. 5 is a schematic cross-sectional view showing another embodiment of the pair of roll guide members 53 and 54 that are brought into contact with the outer periphery of the tape roll 36.
Each of the roll guide members 53 and 54 shown here is a plate material curved convexly toward the tape roll 36 side. And the surface contact | abutted to the tape roll 36 is coat | covered with Teflon (trademark) etc. with small frictional force, and the friction between the tape rolls 36 at the time of pulling out an adhesive tape is restrained small.

  Further, in the tape cutter according to the present invention, for example, the weight of the tape roll 36 is light, and the state in which the tape roll 36 is in contact with the pair of roll guide members 53 and 54 as shown in FIGS. In the case where it can be maintained only by the adhesive force between the tape 35 and the tape temporary fixing surface 43, the equipment of the roll urging means 61 can be omitted and the apparatus configuration can be simplified.

  Further, in the tape cutter according to the present invention, the specific configuration for engaging and locking the main body when the cover member is closed is the engaging structure by the locking piece 71 and the engaging portion 73 described in the above embodiment. Not exclusively. Further, the specific configuration of the roll biasing means for biasing the tape roll accommodated in the tape loading unit toward the pair of roll guide members is not limited to the configuration of the above embodiment. Design changes and improvements can be made as appropriate without departing from the spirit of the present invention.

It is a perspective view in the state where the cover member of one embodiment of the tape cutter concerning the present invention was opened. It is a side view of the tape cutter shown in FIG. FIG. 2 is a side view showing a state where a cover member of the tape cutter shown in FIG. 1 is closed and a loaded tape roll is rotatably supported by a pair of roll guide members. FIG. 4 is a side view showing a state in which the tape roll is stably supported rotatably by a pair of roll guide members even when the wound diameter of the tape roll loaded becomes smaller from the state of FIG. 3. It is a schematic sectional drawing which shows other embodiment of a pair of roll guide member which concerns on this invention. It is a perspective view of the conventional tape cutter. It is a disassembled perspective view at the time of tape roll replacement | exchange of the tape cutter shown in FIG.

Explanation of symbols

31: Tape cutter, 33: Main body, 34: Core, 35: Adhesive tape, 36: Tape roll, 38: Tape loading part, 41: Cutter blade, 43: Temporary tape fixing surface, 45: Front column part, 46: Back Box part, 47: Valley part, 48: Roll accommodation recessed part, 49: Cover member, 49a: Accommodation space, 51: Hinge, 53, 54: Roll guide member, 61: Roll biasing means, 63: Third roll guide Member, P: Drawer point

Claims (5)

A tape cutter comprising: a tape loading unit that rotatably supports a tape roll having an adhesive tape wound around an outer periphery of a cylindrical core; and a cutter blade that cuts the adhesive tape drawn from the tape roll. ,
A tape cutter characterized in that the tape loading section includes a roll guide member that abuts at least two positions sandwiching a pull-out point of the adhesive tape on the outer periphery of the tape roll and rotatably supports the tape roll. The tape loading unit is configured to cover substantially the entire circumference of the tape roll with a roll housing recess that houses the tape roll and a cover member that covers the roll housing recess so as to be openable and closable.
The tape cutter according to claim 1, wherein one of the roll guide members is provided on the cover member side and the other is provided on the roll housing recess side.   The tape cutter according to claim 1 or 2, further comprising roll urging means for urging the tape roll in the tape loading unit toward the roll guide member.   The tape cutter according to any one of claims 1 to 3, wherein the roll guide member is a pair of guide rollers rotatably supported by the cover member or the roll housing recess.   The tape cutter according to claim 2, wherein the cover member is made of a transparent material.

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