JPH0593789U - Tape cutter - Google Patents

Abstract

(57) [Summary] [Purpose] The wound tape having the adhesive layer is pulled out while being cut into a desired constant width at the time of use. [Structure] A cylindrical body 1 formed by winding a tape 3 having an adhesive layer around a center line, a supporting portion 4 for rotatably supporting the cylindrical body around the center line, and The blade portion 9 provided on the support portion and having a blade body 91 capable of advancing toward the outer peripheral surface of the cylindrical body along a plane perpendicular to the center line, and the blade body for advancing the blade body And an elastic body 93 provided so as to be biased in the direction and pressed against the cylindrical body.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a portable tape cutter capable of taking out a tape wound with a pressure-sensitive adhesive, which is wound in a cylindrical shape, while cutting it into a desired width.

[0002]

[Prior Art]

 For example, when painting the other part of the floor surface that leaves a long and thin linear part, and when there is no masking tape with the same dimension width as the linear part, it is conventionally wider than the width of the linear part. A method of applying a tape having a width to the straight portion and then cutting off the excess portion of the tape, or a method of sticking a plurality of tapes having a width narrower than the width of the straight portion to the straight portion is adopted. It was

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional method, it takes a long time to perform the masking work on the linear portion, and the mask tape is wasted.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned conventional drawbacks, the invention proposes a cylindrical body formed by winding a tape having an adhesive layer around a center line (for example, AA line), for example, a cylindrical body 1). A supporting portion (for example, the container 4, the middle cylinders 16 and 28, the frame bodies 34 and 44, and the container 52) that rotatably supports the cylindrical body around the center line, and the supporting portion. A blade portion having a cage blade (for example, blades 91, 64) which is capable of advancing toward the outer peripheral surface of the cylindrical body along a plane perpendicular to the centerline, and the blade is advanced as described above. An elastic body (for example, the ribs 93, 66) provided so as to be biased in the row direction and pressed against the cylindrical body is provided.

[0005]

[Action]

 According to this structure, by unwinding the tape on one side of the blade from the cylindrical body, the cylindrical body rotates and the blade body cuts the tape and cuts into a certain width. Only the tapes that have been released will come out. Therefore, the tape on the other side remains a cylindrical body. When the tape that has been cut to a certain width is pulled out, a step is created on the cylindrical body and the cutting position is on the lower side of the step.Since the tape gradually approaches the above center line, the blade must be cut to continue cutting. The body needs to proceed continuously, but since the elastic body exerts a pressing force on the blade body in its traveling direction, the cutting can be continued without any trouble.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 (a) to 1 (c), reference numeral 1 denotes a cylindrical body formed by winding a tape 3 around a frame body 2. The cylindrical body 4 has a cylindrical container 4 around a center line A-A. It is stored so that it can rotate freely. Reference numeral 5 denotes a lid of the container 4, which is formed by a screw 6 screwed into the center of the container 4 so as not to come off from the container 4. A ball bearing or the like may be interposed between the frame body 2 and the container 4 so that the cylindrical body 1 can easily rotate around the center line AA in the container 4.

A first plate member 7 is attached to the outer wall of the cylindrical container 4 along the center line AA. A second plate member 8 is supported on the plate member 7. The second plate-shaped member 8 is slidably engaged with the groove portions 71 extending along the line AA at both ends of the first plate-shaped member 7, and the upper surface of the plate-shaped member 8 is A blade portion 9 is attached. The blade portion 9 is composed of a blade body 91, a container 92 for accommodating the blade body 91, and a spring 93 for mounting a base portion 95 of the blade body 91 on the inner wall of the container. The rib 93 functions to press the blade body 91 so that the tip of the blade body 91 penetrates the window 10 of the cylindrical container 4 and contacts the cylindrical body 1 inside the container. Reference numeral 11 is a screw for fixing the second plate-shaped member 8 to the first plate-shaped member 7. Reference numeral 12 denotes a scale provided on the upper surface of the end of the first plate-shaped member 7 on the container 4 side along the line AA, and the size of the cylindrical body 1 along the line AA, that is, the tape. 3 shows a width dimension of 3.

The screw 11 is loosened, the second plate-shaped member 8 is slid, and when the blade body 91 reaches the desired position of the scale 12, the screw 11 is tightened to fix the plate-shaped member 8 to that position. .. Then, when the tape is pulled out from the window 10 as shown in FIGS. 1B and 1C, the tape 3 having a desired size and width is obtained.

As shown in FIG. 2, it is convenient to provide a stopper 94 for maintaining the blade body 91 at a desired distance from the cylindrical body 1 because the tape cutting operation becomes easier. Incidentally, 96 is a screw for fixing the stopper 94 to the container 92.

FIG. 3 shows a second embodiment of the present invention. In the above-described first embodiment, the cylindrical body 1 is fixed and the blade portion 9 is moved along the line AA, whereas in the second embodiment, the blade portion 9 is moved. It is configured to be fixed and move the cylindrical body 1 along the line AA.

In FIG. 3, the cylindrical body 1 is housed between the inner wall of the outer portion 14 and the outer wall of the middle cylinder 16 so as to be rotatable around the center line A-A. Reference numeral 18 denotes a lid screwed to the middle cylinder 16 and serves to confine the cylindrical body 1 between the outer cylinder 14 and the middle cylinder 16. The blade portion 9 is fixedly attached to the outside of the outer cylinder 14 at a position where the tip of the blade body 91 can contact the cylindrical body 1. An elongated groove 141 extending along the line AA is formed on the inner wall of the outer cylinder 14, and a projection 161 attached to the middle cylinder 16 is fitted in the groove. By the engagement of the groove 141 and the protrusion 161, the middle cylinder 16 can slide with respect to the outer cylinder 14 along the line AA, but cannot rotate around the line AA. The groove 141 and the projection 161 may be provided at one place around the circle of the outer cylinder 14 and the middle cylinder 16, or may be provided at several places. A female screw is formed on the inner wall of the middle cylinder 16, and a cylindrical body 20 having a male screw on the outer wall is screwed into the female screw. The cylindrical body 20 is rotatably engaged with the outer cylinder 14 at its end, but the cylindrical body 20 is fixed to the outer cylinder 14 by tightening the screw 24.

When the screw 24 is loosened and the cylinder 20 is rotated around the line AA, the middle cylinder 16 moves in the direction of the arrow 22 along the line AA. It will move with respect to the body 91. The amount of movement is measured by reading a scale (not shown) provided on the outer wall of the middle cylinder 16 from a window 26 provided on the outer cylinder 14, and when the desired amount of movement is reached, the screw 24 is tightened to tighten the cylinder body. 20 is fixed to the outer cylinder 14 to hold the middle cylinder 16 at a desired position. Then, when the tape is pulled out from the cylindrical body 1, the above-mentioned movement amount corresponds to the tape width for cutting, so that a tape having a desired tape width can be obtained.

FIG. 4 shows a third embodiment of the present invention. This embodiment is a slight modification of the embodiment of FIG. 3, in which the male screw formed on the outer wall of the middle cylinder 28 is screwed into the female screw formed on the inner wall of the cylinder 30, 28 moves in the direction of arrow 32. Except for these points, it is the same as the embodiment of FIG. Incidentally, 281 is a protrusion of the middle cylinder 28 and corresponds to the protrusion 161 of the middle cylinder 16 of FIG.

FIG. 5 shows a fourth embodiment of the present invention. This embodiment is suitable when the hollow inner diameter of the cylindrical body 1 formed by winding a tape is large. In FIGS. 5 (a) and 5 (b), 34 is a frame body, which is sandwiched along the center line AA of the cylindrical body 1 and extends in the circumferential direction of the cylindrical body. It covers about 1/4 of the cylindrical body. A plate member 36 is attached to the frame 34 along the line AA, and the blade portion 9 similar to that in the first to third embodiments is attached to the member along the line AA. It is slidably mounted. Reference numeral 38 is a screw for fixing the blade portion 9 to the plate member 36.

The screw 38 is loosened to move the blade portion 9 along the line AA, and the amount of movement is measured by a scale provided on the plate member 36. When the screw 38 reaches a desired value, the screw 38 is tightened. The blade portion 9 is fixed to the plate member 36. When the tape is pulled out from the cylindrical body 1, the amount of movement corresponds to the width of the tape to be cut, so that a tape having a desired tape width can be obtained.

6 (a) and 6 (b) show a fifth embodiment of the present invention, which is a modification of the frame 34 of FIG. In this embodiment, the U-shaped member 40 and its lid member 42 constitute a frame body 44 that covers approximately 1/4 of the cylindrical body 1, and the lid member 42 is attached to the U-shaped member 40 by screws 46. Has been. Rotatable rod-shaped bodies 48 are provided on the inner walls of both ends of the U-shaped member 40 and the lid member 42 so that the cylindrical body 1 can easily move inside the frame body 44. A part of the rod-shaped body 48 of the inner wall of the U-shaped member 40 is configured to be movable with respect to the cylindrical body 1 by the rotation of the screw 50. This is so that the rod-shaped body 48 can be brought into contact with the cylindrical body 1 in an optimum state even if the thickness of the cylindrical body 1 changes due to the use of a tape or the like.

FIGS. 7A and 7B show a sixth embodiment of the present invention. Reference numeral 52 is a cylindrical container that houses the cylindrical body 1 rotatably around a center line AA, and a window 54 for drawing out a tape is formed in a part of the cylindrical container. Further, a plate-shaped table 56 is slidably attached to the outer surface of the container 52. The base 56 is provided with a rotatable gear 58, which meshes with a groove 60 formed along the line AA on the outer surface of the container 52. When the knob 62 connected to the gear 58 is turned, the gear 58 moves along the groove 60, so that the base 56 also moves along the line AA. A blade 64 is rotatably attached to the tip of the base 56, and the blade is in contact with the cylindrical body 1 through the window 54 by the pressing force of the spring 66.

Since the scale 68 provided on the outer surface of the container 52 represents the width of the tape to be cut, the knob 62 is turned to move the table 56 to the desired scale position, and the tape is pulled out at that position to obtain the desired tape. A wide tape is obtained.

In the above embodiments, either the blade or the cylindrical body is configured to be moved, but the blade or the cylindrical body is moved so that the structure can be simplified and disposable. The mechanism may be omitted, and the positional relationship between the blade portion and the cylindrical body may be preset so that a specific tape width can be obtained, and the blade portion and the cylindrical body may be fixed so as not to move in the tape width direction. For example, in the embodiment of FIG. 1, the sliding mechanism of the blade portion 9 may be omitted and the blade portion 9 may be fixed to a desired position of the plate member 7, or in the embodiment of FIGS. The blade 9 and the base 56 may be fixed to desired positions of the plate member 36 and the container 52.

Further, although a single-edged blade is used as the blade in the above-mentioned embodiment, a round blade or a needle-shaped blade may be used, and a plurality of blades may be arranged in parallel. May be. Furthermore, in the above-mentioned embodiments, the spring is used to press the blade of the cylindrical body 1, but an elastic body such as rubber may be used. Further, the elastic force of the springs 93 and 66 can be adjusted so that the pressing force of the blades 91 and 64 against the cylindrical body 1 can be adjusted. Furthermore, in the embodiment shown in FIGS. 3 and 4, the screw is used as the fixing means for the outer cylinder 14 and the cylindrical bodies 20, 30, but it goes without saying that various other fixing means can be used. .. Other than that, the tape cutter of the present invention can be configured with various structures, but further description is omitted to avoid complication.

[0021]

[Effect of the device]

 As described above, according to the tape cutter of the present invention, a tape having a desired tape width can be easily formed. Then, only the tape formed to the required width is taken out, and the remaining tape can be left in the wound state as a cylindrical body. Therefore, according to this invention, the masking work with the tape becomes very easy and the waste of the tape is eliminated.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention, (a) is a plan view showing a partial cross section, (b) is a side view showing a partial cross section,
(C) is a perspective view.

FIG. 2 is a diagram showing a modification of part of the first embodiment.

FIG. 3 is a partial sectional plan view showing a second embodiment of the present invention.

FIG. 4 is a partial sectional plan view showing a third embodiment of the present invention.

5A and 5B show a fourth embodiment of the present invention, wherein FIG. 5A is a partially sectional plan view and FIG. 5B is a partially sectional side view.

6A and 6B show a fifth embodiment of the present invention, wherein FIG. 6A is a partial sectional partial side view and FIG. 6B is a partial sectional front view.

FIG. 7 shows a sixth embodiment of the present invention, (a) is a vertical side view and (b) is a plan view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical body 4 Container 16,28 Medium cylinder 34,44 Frame body 52 Container 9 Blade part 64 Blade body 93,66 Spring (elastic body) 7,8,36 Plate member 14 Outer cylinder 20,30 Cylindrical body 58 Gear wheel 60 groove A-A center line

Claims (1)

[Scope of utility model registration request] 1. A cylindrical body formed by winding a tape having an adhesive layer around a center line, a support portion for rotatably supporting the cylindrical body around the center line, and the support. And a blade portion having a blade body that is capable of advancing toward the outer peripheral surface of the cylindrical body along a plane perpendicular to the center line, and urges the blade in the traveling direction. And a tape cutter provided with an elastic body provided so as to press the cylindrical body.