Tape applicator and tape delivery device

Abstract

To make a tape applicator which can be operated with one hand, is small, can apply a tape neatly without any failure or wrinkles, and cuts off the tape when it is applied.SOLUTION: A tape feeding device according to the present invention pulls out the tape by rotating a pull-out roller, and then, with a peeling roller, propelling body, and bend forming part, the bent tape, which has a flat part with a certain width in the center to prevent wrinkles from forming in the tape attached to the surface to which it is attached, and bent parts at both ends to give the tape rigidity in the feeding direction and propel it forward, can be advanced in the direction of the surface to which it is attached, so that a certain length of the tip of the tape is always in a peeled state. Therefore, by using the tape feeding device, it is possible to make a tape applicator that can feed and store the tip of the tape on the surface to be applied, making it possible to apply the tape neatly without any wrinkles, and that can cut the tape after application is complete.SELECTED DRAWING: Figure 16

Description

[Technical field]

[0001] To provide a tape applicator which allows one to easily apply adhesive tape (hereinafter, referred to as "tape" unless otherwise specified) with one hand, is small in size, and applies the tape neatly without any mistakes or "wrinkles" at the beginning of application. [Background technology]

[0002] In the case of an applicator that advances the tape through the air by using a conventional tape delivery device shown in Patent Document 1 to deliver the tape in the direction of application, if a weak tape or a flat tape is delivered, the tape will be wrapped around the delivery roller near the outlet or will sag, making it impossible to deliver the tape straight through the air. In order to give the tape rigidity and make it advance straight, the tape is delivered to the surface to be applied while being shaped into an uneven wavy or concave shape perpendicular to the tape advance direction by a drawing roller or a shaping roller. As a result, the tape after shaping is narrower than its original width, so the tape applied to the surface to be applied has a drawback in that it is "wrinkled" and cannot be applied neatly. In addition, when the width of the tape used becomes wider, the tape delivery mechanism and cutting mechanism also become larger, which causes a problem that the entire tape applicator becomes larger. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 4793608

[0004] [Conventional tape feeding device] First, the overall configuration of a conventional tape delivery device, its operation, and problems will be briefly described as an example. Figure 25 shows a conventional tape applicator h with all but the main components omitted, where Figure 25(a) is a side view immediately after the tape is pulled out from the tape delivery device 2x, Figure 25(b) is a side view when the tape is attached to the application surface 1a, Figure 25(c) is a comparison of the tape width and a top view of Figures 25(a) and (b), and Figure 25(d) is a view of the tape 56 in Figure 25(a) seen in the direction of line AA. The tape applicator h is roughly divided into three parts, and the main components are the rolled tape 56, the tape delivery device 2x, and the tape applicator consisting of the application roller 75. The tape feeding device 2x comprises an approximately cylindrical pull-out roller 50 having a plurality of disk-shaped rollers that rotate together with the tape 56, an approximately cylindrical peeling and molding roller 52 having a plurality of disk-shaped rollers for rotating the pull-out roller 50 and peeling the tape 56 while feeding the hollow forward, and the tape 56 is held and rotated around a tape holding shaft 60, the pull-out roller 50 around shaft 51, and the peeling and molding roller 52 around shaft 53.

[0005] In the tape applicator h, the tape 56 is adhered to the outer peripheral surface of the pull-out roller 50, and the pull-out roller 50 is rotated in the direction of the arrow Y3 and the peeling and shaping roller 52 is rotated in the direction of the arrow Y4, so that the pull-out roller 50 feeds out the tape 56 in the direction of the arrow Y2, where the application roller 75 is in contact with the surface 1a to be applied. The pull-out roller 50 and the peeling and shaping roller 52 give the tape 56 rigidity by shaping the cross-sectional shape of the tape 56 perpendicular to the direction in which the tape 56 advances into an uneven wavy shape like the bent tape 5a in Fig. 25(d), and the tape is peeled off from the pull-out roller 50 and fed through the hollow toward the surface 1a to be applied.

[0006] Fig. 25(b) is a side view of the tape adhered to the surface 1a, and while the application roller 75 is constantly pressed against the surface 1a, the pull-out roller 50 is further rotated to move the tape 56, the pull-out roller 50, the peeling and shaping roller 52, and the application roller 75 in the direction of the arrow Y1, and the tip of the tape 56 advances further and is pressed onto the surface 1a by the application roller 75 and adhered thereto. The width 6e (shown in Fig. 25(d)) of the tape 56 that has passed between the pull-out roller 50 and the peeling and shaping roller 52 is narrower than its original width 6d. Therefore, wrinkles 5b (shown in Fig. 25(c)) are formed in the tape 56 that has been pressed and adhered onto the surface 1a by the application roller 75. Summary of the Invention [Problem to be solved by the invention]

[0007] In many conventional tape applicators that are often used for packaging and wrapping, the tip of the tape always extends beyond the applicator, and the tip of the tape may stick to surrounding objects or the adhesive sides of the tapes may adhere to each other, making it impossible to apply the tape. Also, if the tip of the tape rewinds back onto the tape roll, when an attempt is made to peel off the tip of the tape, the tape may tear diagonally from the valley of the cut line because the cutting blade is serrated, which causes the tape to be removed and hinders processing.

[0008] In recent years, there are tape applicators that can perform a series of operations such as pulling out, applying, and cutting the tape, and can easily apply the tape with one hand, but with the conventional tape delivery device, especially for wide tapes, thin tapes, and soft tapes with weak stiffness, in the case of applicators that pull out the tape from the tape roll with the tape delivery device and then advance the tape through the air to the direction of the application surface, in order to give rigidity to the tape that has left the tape delivery device, the tape is shaped into an uneven wave shape or a concave shape by a pull-out roller or a number of shaping rollers, and then the tape is delivered to the application surface. Therefore, the tape after shaping is applied to the application surface with a narrower width than the original width, which is a drawback in that the tape is wrinkled and cannot be applied neatly. In addition, when using a tape roll with a large width or a tape with a large outer shape, the applicator also becomes large, so the tape delivery device and the driving mechanism for driving the tape delivery device must be made smaller.

[0009] To realize such a tape applicator, a special tape feeding device and drive mechanism are required that can efficiently perform the series of operations of holding the tape, feeding and applying the tape, and cutting it using a smaller mechanism, allowing the tape to be pulled out smoothly and reliably with one hand, and allowing neat tape to be applied without wrinkles.

[0010] SUMMARY OF THE PRESENT EMBODIMENT The present invention has been made in view of the above, and has an object to provide a tape applicator including a novel tape feeding device and a drive mechanism. [Means for solving the problem]

[0011] The tape delivery device according to the present invention is a tape delivery device for delivering a tape 56 wound around a shaft in a forward direction, and includes a pull-out roller 26 that rotates together with the tape 56, a peeling roller 28 that rotates in conjunction with the rotation of the pull-out roller 26 to peel the end of the tape 56 from itself while feeding it forward, and a bend forming section 4y for making the center part of the tape 56 drawn out from the pull-out roller 26 flat and bending both end parts upward, forming the tape delivery device 2x as a whole. In order to prevent wrinkles from forming on the tape 56 applied to the application surface 1a, the tape delivery device 2x is configured so that the center part of the tape 56 drawn out from the tape roll by the pull-out roller 26 is made flat, and both end parts in the traveling direction are bent upward by the contact surface 29 of the bend forming section 4y while feeding and storing the tape 56 on the application surface 1a behind the application roller 75.

[0012] The tape delivery device 2x is an independent main component for realizing the tape applicator according to the present invention, and is attached to a part of the tape holder 59 and the application unit 7x when in use. In the present invention, the term "tape" simply means a tape wound in a roll around a shaft core, regardless of thickness, material, width, etc. In addition, the adhesive surface is not limited to one side, and includes double-sided tape with adhesive parts on both sides and double-sided tape type with release paper on the surface side.

[0013] The tape applicator of the present invention comprises the tape feeding device 2x, the tape holder 59 which holds and rotates the tape 56 and supports the tape feeding device 2x, the application unit 7x which is supported by the tape holder 59 and has the application roller 75 and a cutting blade 88 for contacting the tape 56 with the surface to be applied 1a while pressing it against the surface to be applied, and a case 10 which stores the tape holder 59, and which feeds out the tip of the tape 56 in the direction in which the application roller 75 on the tape feeding device 2x side contacts the surface to be applied 1a, and after the tape 56 has been applied to the surface to be applied 1a by the application roller 75, the tape 56 is cut by the cutting section 8x. Effect of the Invention

[0014] In the conventional tape applicator, especially when a wide tape or a weak tape is used, in order to give the tape 56 rigidity in the feeding direction when the tape 56 is advanced through the air and fed onto the surface 1a to be applied, the cross section perpendicular to the advancing direction of the tape 56 is formed into a concave shape or an uneven wavy shape, and the tape is applied with a width narrower than the original width of the tape. Therefore, the tape 56 adhered onto the surface 1a to be applied has a drawback in that wrinkles 5b are formed.

[0015] According to the tape delivery device of the present invention, the tape is drawn out by rotating the drawing roller, and the tape can be fed forward while constantly bending a certain width of both ends of the tape 56 continuously by the subsequent peeling roller, the propelling body, and the bending forming portion, and the tip of the tape can be fed onto the surface to which the tape is to be applied in a flat shape other than both ends, and a certain length of the tip of the tape can be stored in a peeled state at all times. The tape then applied to the surface to which the tape is to be applied by the application roller can be applied neatly without "wrinkles," and a tape applicator can be configured that can cut the tape after application is completed. In particular, the fingertips do not touch the adhesive surface of the tape during the series of operations from applying the tape to cutting it, and the tape can be applied with a simple one-handed operation. [Brief description of the drawings]

[0016] [Figure 1] 1(a) is a side view with a part of a case and an application unit omitted, and FIG. 1(b) is a top view of a cross section taken along line AA in FIG. 1(a) as viewed in the direction of the arrow. [Diagram 2] FIG. 2 is an exploded perspective view of the tape applicator of FIG. 1; [Diagram 3] FIG. 2A is an exploded perspective view of the tape applicator of FIG. 1 ; FIG. 2B is another exploded perspective view of the tape applicator of FIG. 1 . [Figure 4](a) is a perspective view showing an example of a tape feeding device, (b) is a side view with the center of Figure 4(a) cross-sectioned, (c) is a view of Figure 4(b) from above, (d) is a front view of Figure 4(b) from the left side, and (e) is a perspective view showing only another propellant and tape of Figure 4(a). [Diagram 5] 5A is a perspective view showing an example of a double-sided adhesive tape feeding device, (a) a side view showing another example of a tape feeding device, (b) a view of FIG. 5A from above, and (c) a front view of FIG. 5A from the left side. [Figure 6] FIG. 4 is a cross-sectional view showing the state of the tape after molding. [Figure 7] 7(a) is a side view showing an example of meshing between a drive rack gear and a pinion gear, and FIG. 7(b) is a side view showing another example of meshing between the drive rack gear and the pinion gear of FIG. 7(a). [Figure 8] FIG. 2 is a perspective view showing an example of a cutting portion; [Figure 9] 9(c) and 9(d) are diagrams showing an example of the change in the leaf spring arm at the cutting section; (a) a side view before the driving claw passes the leaf spring arm; (b) a side view of the driving claw passing the leaf spring arm; (b1) a top view of FIG. 9(b); (c) a side view after the driving claw has passed the leaf spring arm; (c1) a top view of FIG. 9(c); and (d) a side view when the driving claw returns. [Figure 10] 1A is an exploded view of the tape applicator of FIG. 1; (a) is a side view with the application unit and a partially omitted case open; (b) is a side view with the application unit of FIG. 10A closed; and (c) is a side view with the case of FIG. 10B closed. [Figure 11] 11(a) is a side view showing an example of a drive control body when stored in a storage section, (b) is a side view showing the drive control body of FIG. 11(a) when rotated, and (c) is a side view showing the drive control body of FIG. 11(b) when closed and stopping the drive of the case. [Figure 12] 12(a) is a side view showing another example of a drive control body when stored in a storage section, (b) is a side view showing the drive control body of FIG. 12(a) having been moved, and (c) is a side view showing the drive control body of FIG. 12(b) having stopped driving the case. [Figure 13]13(a) and 13(b) are side views showing a portion of FIG. 13(a) after tape has been fed out; FIG. 13(a) is a side view showing a portion of FIG. 13(a) during tape application; and FIG. 13(d) is a side view showing a portion of FIG. 13(a) after the tape has been cut. [Figure 14] 14(a) is a side view showing an example of another shape of a tape applicator, with parts of the case and the application unit omitted; (b) is a side view showing a part of FIG. 14(a) after the tape has been fed out; (c) is a side view showing a part of FIG. 14(a) during tape application; (d) is a side view showing a part of FIG. 14(a) after the tape has been cut. [Figure 15] 15(a) is a side view of the tape applicator of FIG. 14 with the application unit closed, and FIG. 15(b) is a side view of the application unit of FIG. 15(a) with the application unit opened. [Figure 16] FIG. 11 is a side view showing another example of a tape applicator. [Figure 17] 17(a) is a side view showing an example of an operating state of the tape applicator of FIG. 16, with a portion of the case and the application unit omitted; (b) is a side view showing a portion of FIG. 17(a) during tape application; and (c) is a side view showing a portion of FIG. 17(a) after the tape has been cut. [Figure 18] FIG. 17 is a partial side view of the lever and drive rack gear pinion gear of the tape applicator of FIG. 16; [Figure 19] 19(a) shows the brake unit held on the lever shaft, (b) shows the brake unit being adjusted in FIG. 19(a), and (c) shows the brake pad pressed against the inside of the tape roll in FIG. 19(a). [Figure 20] 20(a) is a side cross-sectional view showing the relationship between the drive control body and the drive rack gear of the drive unit in FIG. 16; (a) is a side view showing the state in which the drive control body has released the operation of the drive rack gear; (b) is a diagram showing the drive control body contacting the drive rack gear in FIG. 20(a); (c) is a diagram showing the state in which the drive control body has stopped driving the drive rack gear in FIG. 20(a). [Figure 21]21(a) is a side view showing the opening and closing of the propulsion member holding the cutting portion in FIG. 16; (a) is a side view showing the application unit, the cutting portion, and the propulsion member in FIG. 16 with some parts omitted; (b) is a cross-sectional view taken along line AA in the direction of the arrow, showing the propulsion member opened from the application unit in FIG. 21(a); (c) is a cross-sectional view when the propulsion member engages with the application unit in FIG. 21(b); (d) is a cross-sectional view when the propulsion member and the application unit are closed in FIG. 21(b). [Figure 22] 22(a) is a side view of the tape applicator of FIG. 16 with the application unit closed, and FIG. 22(b) is a side view of the application unit of FIG. 22(a) with the application unit opened. [Diagram 23] 23(a) and 23(b) are side views showing a portion of FIG. 23(a) during tape application; and FIG. 23(c) are side views showing a portion of FIG. 23(a) after the tape has been cut. [Figure 24] 24(a) is a side view of the tape applicator of FIG. 23 with the application unit closed, and FIG. 24(b) is a side view of the application unit of FIG. 24(a) with the application unit opened. [Diagram 25] 24(a) is a side view of the tape just after it has been pulled out of the tape feeding device; (b) is a side view of the tape adhering to the surface to which it is to be attached; (c) is a comparison of the width of the tape before and after adhesion, and is a top view of (a) and (b); and (d) is a top view of the cross section of line AA in FIG. 24(a) looking in the direction of the arrow. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] First, the overall configuration and operation of a tape applicator will be briefly described as an example.

[0018] FIG. 1 shows a tape applicator 1h. FIG. 1(a) is a side view of the case and the application unit with parts omitted, and FIG. 1(b) is a top view of the cross section of the line AA in FIG. 1(a) seen in the direction of the arrow. The tape applicator 1h is roughly divided into three parts, and includes a chassis 5x having a rolled tape 56 and a tape delivery device 2x, a case 10 having a drive unit 1x, an application roller 75, a cutting section 8x, and an application unit 7x having a driving member 34 as a driving body 3y of the tape delivery device 2x. The details of each component will be described later, but in the tape applicator 1h, the case 10 and the chassis 5x are connected by being biased by an operating spring 61. When the case 10 is pressed in the direction of arrow Y1 (shown in FIG. 13), that is, against the bias of the operating spring 61, the pull-out roller 26 of the tape feeding device 2x rotates to pull out the tape 56 and feed the tape 56 in the direction where the application roller 75 on the tape feeding device 2x side comes into contact with the applied surface 1a. When the pressure in the Y1 direction is removed, the case 10 is returned to its original position and at the same time the tape 56 is cut by the cutting section 8x. The configuration and location of the drive unit 1x can be changed as appropriate.

[0019] FIG. 2 is an exploded perspective view of the tape applicator of FIG. 1. As shown in FIG. 2, the tape applicator 1h can be manufactured by simply assembling each component. FIG. 3(a) is an exploded perspective view of the tape applicator of FIG. 1, and FIG. 3(b) is another exploded perspective view of the tape applicator of FIG. 1. The tape applicator 1h can be opened by first rotating the case 10 around the axis 11 to open it, and then rotating the application unit 7x in the direction of C, that is, around the axis 62. This tape applicator is equipped with a tape delivery device for delivering the tape in the forward direction. The configuration will be described in detail below.

[0020] (First embodiment) [Tape delivery device for single-sided adhesive tape and double-sided tape with release paper] Figure 4(a) is an oblique view explaining the tape feeding device, Figure 4(b) is a side view with the central part of the tape feeding device of Figure 4(a) cross-sectioned, Figure 4(c) is a top view of the tape feeding device of Figure 4(b), Figure 4(d) is a front view of the tape feeding device of Figure 4(b) seen from the left side, and (e) is an oblique view showing only another propellant and tape of Figure 4(a).

[0021] The tape feed device 2x has as its main components a tape feed device consisting of a substantially cylindrical pull-out roller 26 that rotates together with the tape 56 having an adhesive surface on the inside, a peeling roller 28 that rotates with the pull-out roller 26 and feeds the tape 56 forward while peeling it off, a propelling member 34 as a propelling body 3y that feeds the tape 56 forward while bending both ends of the tape 56 upward so that the tape 56 can be propelled in the direction in which the tape 56 advances, and a molding disk 39 as a bending forming part 4y that is a rotating member.

[0022] This tape feeding device, together with the roller holding portion 25 provided on part of the tape holder 59, the tension body 43 for firmly adhering the tape 56 around the pull-out roller 26, etc., constitutes the "tape feeding device" as a whole.

[0023] The tension body 43 is disposed above the pull-out roller 26 with a gap for the tape 56 to pass through. The push member 34 as the push body 3y is disposed above the peeling roller 28 along the direction of feeding with a gap for the tape 56 to pass through. The pull-out roller 26 and the peeling roller 28 can rotate in the same direction while being connected to each other and interlocking with each other by the belt 33 as the drive connecting body 2y. The forming disk 39 as the bend forming part 4y is disposed outside the push member 34 along the direction of feeding with a gap for the tape 56 to pass through. The push member 34 has a flat surface parallel to the advancing direction of the tape 56, while the peeling roller 28 has a cylindrical outer peripheral surface parallel to the lower surface of the push member 34. The pull-out roller 26 and the peeling roller 28 are substantially cylindrical, have a belt groove 32, and can rotate in the same direction while being connected to each other and interlocking with each other by the belt 33.

[0024] The pull-out roller 26 has an axis 27, the peeling roller 28 has an axis 31, and the molding disk 39 has an axis 31. The roller holder 25 holds the pull-out roller 26 around the axis 27, the peeling roller 28 around the axis 31, and the molding disk 39 around the axis 31 for rotation.

[0025] The pull-out roller 26 has a surface on its outer periphery for adhering the tape 56. The pull-out roller 26 may have a pinion gear 2b. The pinion gear 2b has a number of teeth on the outer periphery of the shaft 27 and rotates integrally with the pull-out roller 26 around the shaft 27. This allows the driving force of the drive unit 1x, briefly described with reference to FIG. 1, to be transmitted to the pull-out roller 26 by the drive rack gear 18 that engages with the teeth of the pinion gear 2b. The drive transmission member such as the pinion gear 2b may be provided on the peeling roller 28 side, and may be a timing belt, a crank arm, a combination of gears and ratchets, or a ratchet, in addition to the drive rack gear 18, for driving the drive unit 1x.

[0026] The pinion gear 2b rotates integrally with the pull-out roller 26 due to the meshing of the teeth 20 provided on the drive rack gear 18 with the teeth of the pinion gear 2b as a result of the reciprocating motion of the drive rack gear 18 (shown in FIG. 7). At this time, the pull-out roller 26 may be driven by an electric motor or the like. Alternatively, the peeling roller 28 may be driven.

[0027] [Tape molding] The outer peripheral surface of the peeling roller 28, the lower surface 38 of the propelling member 34, the side wall 35 of the propelling member, and the left and right inner wall surfaces of the forming disk 39 are arranged with a gap for the tape 56 to pass through. In this way, both ends of the tape 56 that have passed through the mutual gap can be propelled around the edge 30 of the propelling member 34 while being bent and molded by the contact surfaces 29 on both sides of the forming disk 39 in the width direction perpendicular to the feeding direction into a shape that holds the flat central portion x1 of the bent tape 57 and the portions x2 bent upward at both left and right ends as shown in Figures 4(a) to 4(d), 5(a) to 4(c), and 6, and rigidity is imparted to the tape 56 in the feeding direction. Therefore, the tape 56 fed from the tape feeding device 2x can go straight through the air even if it is a thin tape or a soft tape with a weak stiffness. The propelling member 34 as the propelling body 3y may be a plate-like member consisting of only a bottom plate having a lower surface 38, and may have edges 30 at the left and right ends of the lower portion 38, and the tape 56 may be bent upward (in the direction of the arrow K2) around the edges. The propelling member 34 as the propelling body 3y may have only a side wall 35 with edges 30 at the left and right ends, and the tape 56 may be bent upward (in the direction of the arrow K2) around the edges. Also, as shown in FIG. 4(e), the propelling member 24 as the propelling body 3y may have a frame structure consisting of a linear frame, and may have edges 30 at the left and right ends of the lower portion, and the tape 56 may be bent upward around the edges. Also, by rotating the arrangement of the propelling body 3y around the axis 31 of the peeling roller 28, the direction in which the tape 56 is propelled can be changed by the rotation angle.

[0028] In this case, it is preferable that the ratio of the length of the central flat portion x1 (shown in FIG. 6) to the total width of the tape 56 is in the range of 40% to 90%. It is also preferable that the bending angle of the end of the tape with respect to the central flat portion x1 of the tape 56 is in the range of 20° to 89°. It is preferable that the outer periphery of the peeling roller 28 and the contact surface 29 of the inner surface of the molding disk 39 are provided with an uneven shape or the like. This is because the contact area between the peeling roller 28 and the tape 56 is reduced, and the tape 56 is easily peeled off from the peeling roller 28. In addition, in order to make it easier to peel off the tape 56 attached to the outer periphery of the peeling roller 28 and the contact surface 29 of the molding disk 39, the outer periphery surface may be made of a member having a silicon layer, a fluorine coating layer, or the like.

[0029] The tension body 43 is disposed along the outer periphery of the pull-out roller 26, and one end of the tension body 43 is disposed between the pull-out roller 26 and the rolled tape 56. In this manner, when the tape 56 is pulled out, the tape 56 can be pressed down below the pull-out roller 26, thereby increasing the contact area between the pull-out roller 26 and the tape 56.

[0030] The belt 33 as the driving connector 2y can be made of an elastic member, and various cross-sectional shapes such as a V-shape or a semicircle can be used. The belt 33 may be made of a material such as silicone rubber to which the adhesive of the tape does not easily adhere. The belt 33 may be, for example, a timing belt having multiple gear teeth provided on the pull-out roller 26 and the peeling roller 28 with timing pulleys, or the pull-out roller 26 and the peeling roller 28 may have a belt groove 32 on the outer periphery for winding the belt 33. The driving connector 2y connecting the pull-out roller 26 and the peeling roller 28 may be made of a mechanism using multiple gears, rollers, etc. in addition to the belt 33.

[0031] The tape feeding device described in the first embodiment can reliably feed out the tape from a roll of tape that is rotatably supported by rotating the pull-out roller and the peeling roller.

[0032] Second Embodiment [Double-sided adhesive tape dispenser] Next, a tape feeding device for feeding a tape having adhesive surfaces on both sides will be described below. The double-sided adhesive tape feeding device is a device that only has a partially modified configuration of the tape feeding device of the first embodiment. Note that parts common to the tape feeding device of the first embodiment are given the same reference numerals and will not be described.

[0033] Figure 5(a) is a side view with the center of the tape feeding device 2x cross-sectioned, Figure 5(b) is a top view of the tape feeding device 2x of Figure 5(a), and Figure 5(c) is a front view of the tape feeding device 2x of Figure 5(a) seen from the left side.

[0034] The tape feeding device of the second embodiment does not have the propellant 34, molding disc 39, and tension body 43 of the tape feeding device of the first embodiment, and so these roles are shared among a roller holding portion 42, a propellant roller 36 as the propellant 3y, a molding roller 40 as the bend forming portion 4y, and a tension roller 44.

[0035] The tape feeding device of the second embodiment newly includes a roller holding portion 42, and the roller holding portion 42 includes a shaft 37 of the propulsion roller .

[0036] The tape feed device 2x has as its main components a substantially cylindrical pull-out roller 26 that rotates together with the tape 56 having adhesive surfaces on both sides, a peeling roller 28 that rotates with the pull-out roller 26 and feeds the tape 56 forward while peeling it off, a belt 33 serving as a drive connector 2y that connects the pull-out roller 26 and the peeling roller 28 to pull out the tape 56, a propelling roller 36 serving as a propelling body 3y for propelling the tape 56 in the advancing direction, and a forming roller 40 serving as a bending forming section 4y that bends both ends of the tape 56 upward while feeding them forward.

[0037] This tape feeding device 2x, together with a roller holding portion 25 provided on part of the tape holder 59, a tension roller 44 for firmly adhering the tape 56 around the pull-out roller 26, and the like, constitutes the "tape feeding device 2x" as a whole.

[0038] The tension roller 44 is disposed above the pull-out roller 26, with a gap provided for the tape 56 to pass through. The push roller 36 is disposed above the peeling roller 28, along the feeding direction, with a gap provided for the tape 56 to pass through. The roller holding unit 25 is newly provided with an axis 41 for the shaping roller 40, and the roller holding unit 25 holds the shaping roller 40 for rotation around the axis 41. The shaping roller 40 is disposed outside the push roller 36, along the feeding direction, with a gap provided for the tape 56 to pass through.

[0039] The forming roller 40 is disposed outside the pushing roller 36, and the outer peripheral surface of the peeling roller 28, the lower surface and the outer side of the pushing roller 36, the side wall 35 of the pushing roller 36, and the outer peripheral surface of the forming roller 40 are disposed along the feeding direction with a gap through which the tape 56 passes. The pushing roller 36 as the pushing body 3y that rotates with the feeding of the tape 56 may be substantially cylindrical in shape and have edge portions 30 at the left and right ends, and the tape 56 may be bent upward (in the direction of the arrow K2 (FIG. 5(c))) around the edge portions 30 by the contact surface 29 of the forming roller 40 as the bending forming portion 4y. The pushing roller 36 may also be configured by combining a plurality of rotating members. In this way, the end of the tape 56 that has passed through the mutual gap can be advanced while being bent and shaped into a shape like the bent tape 57 shown in FIG. 5(a) to FIG. 5(c) in the width direction perpendicular to the feeding direction, as in the first embodiment, and rigidity in the feeding direction of the tape 56 is imparted. In addition, by rotating the position of the pushing roller 36 around the axis 31 of the peeling roller 28, the direction in which the tape is pushed can be changed by the angle of rotation. The forming roller 40 may be the forming disk 39 shown in the first embodiment that rotates together with the feeding of the tape (56), or may be made of another rotating member, or may be made of a wall-shaped body whose surface is treated with fluorine or silicon.

[0040] It is preferable that the contact surfaces 29 of the pushing roller 36 and the forming roller 40 and the outer periphery of the tension roller 44 are provided with an uneven shape or the like. This is because the contact area between the rollers and the tape 56 is reduced, making it easier for the tape 56 to peel off from the rollers. Also, in order to make it easier to peel off the tape 56 adhering to the contact surfaces 29 of the pushing roller 36 and the forming roller 40 and the outer periphery of the tension roller 44, the outer periphery surface may be made of a material having a silicon layer, a fluorine coating layer, or the like.

[0041] The tension roller 44 is disposed along the outer periphery of the pull-out roller 26, and one end of the tension roller 44 is disposed between the pull-out roller 26 and the rolled tape 56. The double-sided tape feed device 2x described in the second embodiment can reliably feed out the double-sided adhesive tape from the rotatably supported rolled tape by rotating the pull-out roller and the peeling roller, thereby obtaining the same effects as in the first embodiment.

[0042] (Third embodiment) [Tape applicator with drive unit in case] Next, a tape applicator having a drive unit in a case will be described. As already shown in the overall configuration with reference to Fig. 1 to Fig. 3, the tape applicator 1h includes a chassis 5x having a tape 56, a tape holder 59, and a tape delivery device 2x of either the first embodiment or the second embodiment, a drive control body 6x for temporarily stopping the drive of the drive unit 1x, an application unit 7x for applying the tape 56 to the application surface 1a, a drive unit 1x for drawing out and delivering the tape 56, and a case 10 having the drive unit 1x and covering at least a part of the application unit 7x and the chassis 5x.

[0043] The tape 56 has an adhesive surface on either one side or both sides, and is supported in roll form on the tape holder 59 so as to be freely rotatable. The application unit 7x has an application roller 75 that applies the tape 56 while pressing it against the surface 1a to be applied, and the pull-out roller 26 has a pinion gear 2b. The tape feed device 2x is arranged so that when driving force is transmitted to the pinion gear 2b by the drive unit 1x in the case 10, the tape 56 is pulled out from the tape holder 59 and fed in the direction in which the application roller 75 contacts the surface 1a to be applied.

[0044] [Chassis] The chassis 5x has a tape holder 59 disposed perpendicular to a bottom plate 58. The tape holder 59 rotatably holds a roll of tape 56 having an adhesive surface on the inside by a tape holding shaft 60. The chassis 5x also includes a tape feed device 2x therein. In this case, the roller holding section 25 may be formed as part of the chassis 5x. The rear part of the chassis 5x includes an operating spring 61 that biases the case 10 in a direction returning it to its original position.

[0045] [Attachment unit] The application unit 7x has a claw 7a that can be freely hooked and detached from the opening / closing claw 55 of the case 10, and is connected to the front part of the chassis 5x by a shaft 62 so as to be freely swingable. The lower part of the application unit 7x has an application roller 75 that rotates around a shaft 76 and an opening 77. The tape 56 is sent out from the opening 77 and applied by the application roller 75. The application unit 7x may have a driving member 34 as a driving body 3y that bends both ends of the tape of the tape delivery device 2x upward to enable the tape to be advanced. The application roller 75 is preferably made of an elastic material such as urethane or rubber. In addition, when a tape having an adhesive portion on the back side is used as the tape 56, the surface of the outer periphery of the application roller 75 may be provided with an uneven mountain shape or the like, or may be made of a material having a silicon layer or a fluorine coating layer, in order to make it easier to peel off the tape 56 that has been applied to the outer periphery of the application roller 75.

[0046] The joining unit 7x may include a cutting section 8x, which will be described later. When the joining unit 7x includes the cutting section 8x, it may further include a return spring 89 that returns the cutting section 8x to its original position. The joining unit 7x may be configured as an integral member with the chassis 5x. Alternatively, the joining unit 7x may be configured as a single member, or may be configured as a plurality of members, such as two left and right members. In this way, an opening 77 for feeding the adhesive tape to the outside is formed near the joining roller 75, and the tape feeding device 2x is driven by the drive unit 1x, so that the tape is pulled out from the tape wound in a roll held by the tape holding shaft 60, and the tip of the tape is fed from the opening 77 onto the surface to be joined on the side of the tape feeding device 2x, and is stored there.

[0047] [case] The case 10 includes a guide 13 that prevents the rolled tape 56 from misaligning in rotation, an opening / closing claw 55 that allows the case 10 to be freely hooked onto and detached from the claw 7a of the application unit 7x, and a drive unit 1x, and is connected to the rear part of the chassis 5x so as to be able to swing freely by an axis 11. The case 10 may be transparent or semi-transparent, and if it is made of a material such as resin that allows the inside to be visually observed, the remaining amount of tape 56 can be grasped.

[0048] [Operating spring] The actuation spring 61 causes either the attachment unit 7x or the chassis 5x to repel the drive unit 1x from one another, and urges the drive unit 1x in a direction returning it to its original position. The actuation spring 61 may be any member made of metal, resin, or the like that repels and urges the drive unit 1x from one another, and may be not only a leaf spring, but also a coil spring or various other springs.

[0049] [Drive unit for converting reciprocating motion into rotary motion] Fig. 7(a) is a side view showing an example of meshing between a drive rack gear and a pinion gear, in which the teeth 20 are shaped like sawtooth teeth. As shown in Fig. 7(a), this is a drive mechanism that rotates a pinion gear 2b in one direction by reciprocating a drive rack gear 18 of a drive unit 1x. The drive unit 1x includes a drive shaft 17, an engagement spring 16, a drive rack gear 18 having teeth 20, a stopper 21 that stops the rotation of the drive rack gear 18 around the drive shaft 17, a number of teeth 20, and a pinion gear 2b having a shaft 27.

[0050] A drive rack gear 18 of the drive unit 1x has many teeth 20 arranged in series to mesh with the teeth of the pinion gear 2b, and the drive rack gear 18 is pressed in the direction of arrow D by an engagement spring 16 that biases the drive rack gear 18 in the direction of arrow A2 to engage with the pinion gear 2b. The pinion gear 2b has many teeth around a shaft 27, and rotates integrally with the pull-out roller 26 about the shaft 27. The teeth 20 of the drive rack gear 18 have an engagement surface 1L to engage with the teeth of the pinion gear 2b. The drive shaft 17 of the drive rack gear 18 is arranged on a perpendicular line 2L to the intersection point where the teeth of the pinion gear 2b and the engagement surface 1L meet, or further in the direction of arrow D1. When the drive unit 1x advances the drive shaft 17 of the drive rack gear 18 in the direction of arrow A when transmitting driving force to the pinion gear 2b, the teeth 20 of the drive rack gear 18 are pressed in the direction of arrow D1 toward the pinion gear 2b with a strength corresponding to the load on the pinion gear 2b, and rotates the pinion gear 2b in the direction of arrow K while continuously meshing with the teeth of the pinion gear 2b.

[0051] After that, the driving rack gear 18, which has finished rotating the pinion gear 2b, retreats in the direction opposite to the arrow A, and the teeth 20 of the driving rack gear 18 slide over the upper surfaces of the teeth of the pinion gear 2b to return to their original positions. If the driving shaft 17 is disposed on the opposite side of the arrow D1 from the perpendicular line 2L to the end of the engagement surface 1L in the direction of the arrow D1, when the driving rack gear 18 is advanced in the direction of the arrow A, the driving rack gear 18 will overcome the teeth of the pinion gear 2b under the load of the pinion gear 2b, slip over the teeth, and come off in the opposite direction of the arrow D, making it impossible to rotate the pinion gear 2b. Therefore, it is preferable that the driving shaft 17 is disposed in the direction of the arrow Dx from the rear end of the consecutive teeth 20, and disposed on the perpendicular line 2L to the end of the engagement surface 1L in the direction of the arrow D1 or further toward the direction of the arrow D1. Regarding the shape of the teeth 20, as shown in FIG. 7(a), if the teeth 20 of the drive rack gear 18 are formed into an obliquely inclined sawtooth shape, the distance of the arrow D1 can be shortened and the drive rack gear 18 can be made smaller.

[0052] The tape feeding device 2x may be driven by various mechanisms, such as a combination of a ratchet, a cam, a gear, and a timing belt. In addition, by changing the number of teeth of the pinion gear 2b, the pinion gear 2b can be rotated at an appropriate speed in response to the reciprocating motion of the driving rack gear 18, and the amount of tape 56 fed out can be adjusted accordingly, and the outer diameter of the pull-out roller can be made smaller. This allows the tape feeding device 2x as a whole to be made smaller, and a sufficient amount of tape can be fed out even if the tape feeding device 2x is small. After that, the driving rack gear 18, which has finished rotating the pinion gear 2b, is moved backward in the direction opposite to the arrow A by the operating spring 61 that biases the driving unit 1x toward the original position, and slides over the teeth of the pinion gear 2b to return to the original position.

[0053] The drive unit 1x also includes a drive claw 15 that engages with the arm claw 83 of the cutting section 8x. The drive units 1x are disposed inside the case 10 in configurations corresponding to the tape feeding device 2x and the cutting section 8x.

[0054] [Cutting part] FIG. 8 is a perspective view showing an example of the cutting section, and FIG. 9 is a view showing an example of the change in the leaf spring arm of the cutting section, in which FIG. 9(a) is a side view before the driving claw passes the leaf spring arm, FIG. 9(b) is a side view of the driving claw passing the leaf spring arm, FIG. 9(b1) is a view of FIG. 9(b) from above, FIG. 9(c) is a side view of FIG. 9(c) after the driving claw has passed the leaf spring arm, FIG. 9(c1) is a view of FIG. 9(c) from above, and FIG. 9(d) is a side view of the driving claw returning. The cutting section 8x includes a swing shaft 82 supported by the application unit 7x so as to be swingable, a cutting blade 88 for cutting the tape 56, and an arm 80 for holding the cutting blade 88. The arm 80 may be configured to hold the driving shaft 82 and a cutting blade holder 86 for holding the cutting blade 88, for example, as shown in FIG. 9(a). The cutting blade holder 86 may be provided with a cutting button 87 for manually pressing the cutting blade 88. The arm 80 is provided with an arm claw 83 on one side thereof that engages with the drive claw 15, and a return spring 89 that engages with a stopper 81 of the application unit 7x. The return spring 89 that returns the cutting part 8x to its original position may be provided on the application unit 7x side.

[0055] As shown in FIG. 8 and FIG. 9(b1), the cutting blade 88 has a central symmetrical axis and is triangular with the center of the cutting edge protruding in the cutting direction of the cutting blade 88 in order to reduce the force applied to the cutting edge when cutting the tape 56. With such a shape, when cutting the tape 56, the cutting edge pierces a point in the center of the tape 56, starts cutting partially from the center to both ends, and cuts gradually with a time delay. Therefore, the cutting force applied to the cutting edge can be reduced. Also, compared to cutting with a sawtooth cutting blade, a straight cutting line can be obtained. The cutting blade 88 may be configured in any way, such as a single blade or a combination of multiple blades, so long as the entire cutting blade has the above-mentioned triangular shape. The cutting blade 88 is arranged to move between the application roller 75 and the tape delivery mechanism 2x by swinging around the swing shaft 82.

[0056] After the tape delivery device 2x is driven, that is, after the tape 56 is pulled out from the tape holder 59 and delivered to the application surface 1a, the cutting unit 8x engages the driving claw 15 with the arm claw 83 to drive the cutting blade 88 and cut the tape 56. The cutting unit 8x is then returned to its original position by the return spring 89. As shown in FIG. 9(c), when a driving force is applied from below the arm claw 83 during cutting, the cutting unit 8x rotates on the swing shaft 82 and the stopper 81 of the application unit 7x engages with the return spring 89 to press the return spring 89. Then, when the driving force is removed after cutting, the cutting unit 8x is returned to its original position by the return spring 89.

[0057] The arm claw 83 may have a leaf spring arm 84 that flexes and biases in the direction of the swing shaft 82, and a cam 85 that flexes the leaf spring arm 84. When the arm claw 83 is configured in this manner, the driving force can be transmitted to the cutting section 8x by the driving unit 1x after the tape feeding device 2x is driven. The relationship between the driving claw 15 of the driving unit 1x and the leaf spring arm 84 of the cutting section 8x will be described below as a mechanism for the driving unit 1x to transmit the driving force to the cutting section 8x.

[0058] The drive unit 1x disposed in the case 10 has a drive claw 15, and the drive claw 15 is disposed above the tip of the arm claw 83 as shown in FIG. 9(a) before driving, that is, before the case 10 is pressed from above. At this time, the cam 85 is located on the opposite side of the tip of the arm claw 83, and is disposed so that when the case 10 is pressed to move the drive claw 15 downward, the inclined portion of the cam 85 comes into contact with a part of the drive claw 15. The inclined portion of the cam 85 may be provided on the drive claw 15. When the case 10 is pressed from above, as shown in FIG. 9(b) and FIG. 9(b1), the drive claw 15 moves in the direction of the arrow D1, and when the inclined portion of the cam 85 comes into contact with a part of the drive claw 15, the drive claw 15 slides and moves on the inclined portion of the cam 85 while bending the leaf spring arm 84 in the direction of the arrow D2. When the driving claw 15 is moving in the direction of the arrow D1, the tape feeding device 2x is driven by the driving unit 1x to pull out the tape 56 from the tape holder 59 and feed it onto the receiving surface 1a.

[0059] Thereafter, as shown in Figures 9(c) and 9(c1), the driving claw 15 climbs over the leaf spring arm 84 and moves below the leaf spring arm 84. At this time, the leaf spring arm 84 returns to the state before it came into contact with the driving claw 15. Thereafter, when the pressure from the case 10 is removed, the driving claw 15 moves in the direction of arrow D3 while engaging with the arm claw 83 due to the operating spring 61, as shown in Figure 9(d). At this time, the cutting portion 8x rotates around the swing shaft 82, so that the cutting blade 88 moves in the direction of arrow D4 to cut the tape.

[0060] [Rotating drive control body] A drive control body 6x may be provided at the lower part of the chassis 5x to temporarily stop the drive of the case 10 rotating around the shaft 73 in order to prevent the tape applicator 1h from being operated inadvertently. The drive control body 6x includes the main shaft 73, a protective cover 70 for covering the opening 77 and the application roller 75, and a stopper 72 for temporarily stopping the drive of the case 10. FIG. 11 is a side view showing an example of temporarily stopping the drive unit 1x by rotation. FIG. 11(a) is a side view of the partially omitted case and the drive control body 6x when stored, FIG. 11(b) is a side view of the drive control body 6x of FIG. 11(a) when rotated in the R3 direction, and FIG. 11(c) is a side view of the drive control body 6x of FIG. 11(b) when closed to stop the drive of the case 10.

[0061] When the tape applicator 1h is not in use, the drive control body 6x is rotated from the state shown in FIG. 11(a) around the main shaft 73 in a direction to cover the opening 77 of the application unit 7x, and then the state shown in FIG. 11(c) via FIG. 11(b). When the protective cover 70 covers the application roller 75 and the opening 77, the stopper 72 engages with the engagement portion 12 on the bottom surface of the case 10, and the drive of the case 10 that swings around the shaft 11 can be stopped. In this way, when the tape applicator 1h is not in use, the opening 77 and the application roller 75 are covered and protected from below, and the tape applicator 1h can be prevented from being operated carelessly. When the tape applicator 1h is used, the drive control body 6x is rotated around the main shaft 73 in a direction to store the protective cover 70 in the storage portion 63, and the stopper 72 is released from the engagement portion 12 of the case 10 to the state shown in FIG. 11(a), and the tape applicator 1h can be used.

[0062] [Sliding drive control body] 12(a) is a side view showing an example of temporarily stopping the drive unit 1x by sliding it. Fig. 12(a) is a side view showing the drive control body 6x stored, Fig. 12(b) is a side view showing the drive control body 6x of Fig. 12(a) moved in the direction of arrow Y1, and Fig. 12(c) is a side view showing the drive control body 6x of Fig. 12(b) moved in the direction of arrow Y2 to stop the drive of the case 10. The lower part of the chassis 5x is provided with a long hole 66 for freely sliding the main shaft 73 of the drive control body 6x, a long hole 65 for freely sliding the action shaft 74 of the drive control body 6x, and a storage section 63 for storing the protective cover 70 of the drive control body 6x.

[0063] When the tape applicator 1h is not in use, the drive control body 6x is moved from the state shown in FIG. 12(a) through the arrow Y1 in FIG. 12(b) to the arrow Y2 in FIG. 12(c) along the long hole 66, and the action shaft 74 also moves along the long hole 65, so that the protective cover 70 covers the application roller 75 and the opening 77. At the same time, the stopper 72 engages with the engagement part 12 of the case 10, and the drive of the case 10 rotating around the shaft 11 can be stopped. When the tape applicator 1h is used, the drive control body 6x is moved from the reverse direction of the arrow Y2 in FIG. 12(c) through the reverse direction of the arrow Y1 in FIG. 12(b) along the long hole 66 to the state shown in FIG. 12(a) to store the protective cover 70 in the storage part 63, and the stopper 72 is released from the engagement part 12 of the case 10, and the tape applicator 1h can be used. The drive control body 6x may be of any type other than a rotary type or a sliding type, as long as it can stop a part of the drive mechanism connected to the drive unit 1x by a pin or the like.

[0064] [Deployment of a tape applicator with a drive unit in the case] FIG. 10 is an exploded view of the tape applicator of FIG. 1, FIG. 10(a) is a side view of the application unit 7x and the case 10 with a portion omitted, FIG. 10(b) is a side view of the application unit 7x of FIG. 10(a) closed, and FIG. 10(c) is a side view of the case 10 of FIG. 10(b) closed. The tape applicator 1h can be exploded by rotating the case 10 backward and the application unit 7x forward with the 5x in the center as shown in FIG. 10(a). In this exploded state, the rolled tape 56 is attached to the tape holder 59, and the tip of the tape 56 is pulled out and applied to the outer periphery of the pull-out roller 26 and the peeling roller 28. After that, the application unit 7x is rotated around the shaft 62 in the direction of the arrow R1 to close it, and then the case 10 is rotated around the shaft 11 in the direction of the arrow R2 to close it as shown in FIG. 10(b).

[0065] Then, as shown in Fig. 10(c), the hook 7a of the application unit 7x is hooked on the opening / closing hook 55 of the case 10. The case 10 is biased in the direction to open the case 10 by the repulsive force of the operating spring 61 of the chassis 5x. Therefore, it is preferable that the opening / closing hook 55 and the hook 7a are shaped so that they will not come off even if the case 10 is pulled in the direction to open it. In this way, the tape applicator 1h can be easily deployed, and the replacement of the tape 56 and the initial setting of the tape 56 can be easily and quickly performed.

[0066] [Operation of a tape applicator with a drive unit in the case] FIG. 13 is a diagram showing an example of the operating state of the tape applicator of FIG. 1, in which FIG. 13(a) is a side view showing the whole with a part of the case and the application unit omitted, FIG. 13(b) is a side view showing a part of FIG. 13(a) after the tape has been fed, FIG. 13(c) is a side view showing a part of FIG. 13(a) during tape application, and FIG. 13(d) is a side view showing a part of FIG. 13(a) after the tape has been cut. First, the user holds the case 10 and presses the application roller 75 against the application surface 1a. Then, as shown in FIG. 13(a), the user presses the case 10 in the direction of the arrow Y1 against the bias of the operating spring 61. At this time, the teeth of the driving rack gear 18 arranged on the inner surface of the case 10 and the pinion gear 2b of the tape delivery device 2x mesh with each other, causing the pinion gear 2b to rotate in one direction (counterclockwise in FIG. 13). The pull-out roller rotates integrally with the pinion gear 2b, pulls out the rolled tape 56 from the tape holder 59, places the tape 56 on the outer periphery of the pull-out roller , and transports it to the peeling roller .

[0067] The belt 33 as the driving connector 2y transmits power to the peeling roller 28, peels the tape 56 from the pull-out roller 26, and transports it to the outer periphery of the peeling roller 28. The belt 33 may be made of a material such as silicon rubber to which the adhesive of the tape does not easily adhere. The tape delivery device 2x delivers the tape 56 by bending both the left and right ends of the tape 56 in the width direction perpendicular to the delivery direction, thereby giving the tape 56 rigidity. Then, as shown in FIG. 13(b), the leading end of the tape 56 is pressed against the contact portion between the application roller 75 and the application surface 1a. The tape 56 that has nowhere to go is bent so that the adhesive surface comes into contact with the application surface 1a, and is stored. At this time, the driving claw 15 arranged on the inner surface of the case 10 slides over the arm claw 83 of the cutting portion 8x and moves below the arm claw 83.

[0068] At this time, the amount of tape 56 fed out is preferably a length N1 (shown in FIG. 13) obtained by adding the distance N1 from the tip of the tape 56 immediately after it leaves the tape feeding device 2x to the contact point between the application roller 75 and the surface 1a to be applied, and the length N2 of the tape 56 that has sufficient adhesive strength to pull the tape 56 out of the tape holder 59.

[0069] Then, as shown in FIG. 13(c), the entire tape applicator 1h is pulled in the direction of the arrow Y2 while the case 10 is pressed, and the stored tape is adhered to the surface 1a to change the subsequent tape 56 from the bent state of FIG. 13(b) to the taut state of FIG. 13(c). At this time, the stored tape 56 is first pressed from above by the application roller 75 to adhere to the surface 1a by a length of N2 or more. After that, the tape 56 is applied to the surface 1a while being pulled out by the adhesive force of the tape 56 adhered to the surface 1a. Since the central part of the tape 56 has a flat shape, the tape 56 applied to the surface 1a does not wrinkle. As shown in FIG. 6, the magnitude x2 of the bend of both ends of the tape 56 is preferably a magnitude that does not cause "wrinkles" in the tape 56 pressed and applied to the surface 1a by the application roller 75. When the tape has been pulled to the desired length, the attachment is completed, and then the pressure on the case 10 is removed.

[0070] At this time, as shown in Fig. 13(d), the case 10 is swung in the direction of the arrow Y3 by the urging of the operating spring 61, and the driving claw 15 arranged on the inner surface of the case 10 engages with the arm claw 83 of the cutting unit 8x from below, and lifts the arm claw 83 upward against the urging of the return spring 89. Then, the cutting unit 8x rotates counterclockwise around the swing shaft 82, and the cutting blade 88 comes into contact with the tape 56 between the application roller 75 and the peeling roller 28 from a direction perpendicular to the traveling direction of the tape 56, and cuts the tape 56. In the unlikely event that cutting of the tape 56 fails, the cutting button 87 of the cutting unit 8x can be manually pressed to rotate the cutting unit 8x around the swing shaft 82, thereby cutting the tape 56.

[0071] After the tape 56 is cut, the driving claw 15 moves toward the end of the arm claw 83, and when the driving claw 15 and the arm claw 83 are no longer engaged, the cutting portion 8x is returned to its original position by the bias of the return spring 89. The driving claw 15 engages with the hook claw 7a of the application unit 7x by the bias of the operating spring 61 and returns to its original position. The teeth 20 of the driving rack gear 18 return to their original position while sliding on the teeth of the pinion gear 2b by the engagement spring 16. The subsequent cut tape 56 remains on the outer periphery of the pull-out roller 26 and the peeling roller 28, so that the next tape 56 can be reliably pulled out and fed.

[0072] In the tape applicator of the third embodiment, when the case is pressed from above, the tip of the tape is sent out and stored on the surface to be applied 1a, and when the pressure of the case is removed after the tape application is completed, the tape can be cut. Since the tape applicator does not touch the tape except when attaching the first roll of tape, the applied tape is clean and wrinkle-free, making it possible to apply a clean tape. In addition, each process of drawing out, sending out, applying, and cutting the tape is fast and reliable, so tape application work can be performed repeatedly and continuously. The tape applicator of the third embodiment has a simple structure and can be manufactured in a small size and at low cost.

[0073] (Fourth embodiment) [A tape applicator with a case that houses a drive unit of a different shape] Next, a tape applicator having a drive unit in a case and a different shape will be described. The tape applicator having a drive unit in a case and a different shape is only a partial modification of the configuration of the applicator of the third embodiment. Note that the parts common to the applicator of the third embodiment are given the same reference numerals and the description will be omitted.

[0074] Fig. 14 shows an example of another shape and operation state of the tape applicator, Fig. 14(a) is a side view showing the whole with a part of the case and the application unit omitted, Fig. 14(b) is a side view showing a part of Fig. 14(a) after the tape has been fed, Fig. 14(c) is a side view showing a part of Fig. 14(a) during tape application, and Fig. 14(d) is a side view showing a part of Fig. 14(a) after the tape has been cut. As shown in Fig. 14, the overall configuration of the tape applicator 2h includes a chassis 5x having a tape 56, a tape holder 59, and a tape feed device 2x of either the first embodiment or the second embodiment, an application unit 7x for applying the tape 56 to the application surface 1a, a drive unit 1x for drawing out and feeding the tape 56, and a case 10 having the drive unit 1x and covering at least a part of the chassis 5x. In the tape applicator of the third embodiment, the case 10 is pressed in the direction of the application surface to be driven, but in the tape applicator of the fourth embodiment, the tape applicator 2h is gripped and the case 10 is pressed in the direction of the arrow Y1.

[0075] The difference between the tape applicator of the fourth embodiment and the tape applicator of the third embodiment is that, as shown in FIG. 14, the drive of the tape applicator 2h presses the case 10 in the direction of the arrow Y1. The engagement spring 16 that urges the drive rack gear 18 toward the pinion gear 2b is newly provided on the chassis 5x side, the drive rack gear 18 for rotating the pinion gear 2b is of the pull type (shown in FIG. 7(b)), and the opening and closing claw 55 for deploying the tape applicator 2h is newly provided on the chassis 5x side. And, the drive control body 6x for engaging with the case 10 to temporarily stop the drive unit 1x is not provided. Other than the main changes in the form of each part, the configuration is the same as that of the tape applicator of the third embodiment.

[0076] [Operation of a tape applicator with a drive unit of a different shape in the case] First, as shown in FIG. 14(a), the user holds the tape applicator 2h and presses the tape application roller 75 of the tape applicator 2h against the surface 1a to be applied. Next, as shown in FIG. 14(b), when the case 10 is pressed in the direction of the arrow Y1, the drive rack gear 18 drives the tape delivery device 2x, as in the tape applicator of the third embodiment, and the tip of the tape 56 is pressed against the contact portion between the application roller 75 and the surface 1a to be applied. The tape 56 that has nowhere to go is bent so that the adhesive surface comes into contact with the surface 1a to be applied, and is stored. After that, as shown in FIG. 14(c), while the case 10 is pressed, the entire tape applicator 2h is pulled in the desired direction to apply the tape 56. After that, as shown in FIG. 14(d), the pressure on the case 10 is removed, and the case 10 is returned to its original position in the direction of the arrow Y3. At this time, the driving claw 15 disposed on the inner surface of the case 10 engages with the arm claw 83 of the cutting portion 8x (as shown in Figures 14(c) to (d)), causing the arm claw 83 to rotate counterclockwise around the swing shaft 82 against the bias of the return spring 89. As a result, the cutting blade 88 comes into contact with the tape 56 between the application roller 75 and the peeling roller 28 from a direction perpendicular to the traveling direction of the tape 56, and cuts the tape 56.

[0077] After the tape 56 is cut, the driving claw 15 moves toward the end of the arm claw 83, and when the driving claw 15 and the arm claw 83 are no longer engaged, the cutting portion 8x is returned to its original position by the bias of the return spring 89. The driving claw 15 returns to its original position by the bias of the operating spring 61. The teeth 20 of the driving rack gear 18 return to their original positions while sliding on the teeth of the pinion gear 2b.

[0078] [Development of tape applicators with different shapes and drive units in the cases] 15 is a development view of the tape applicator of FIG. 14, FIG. 15(a) is a side view of the application unit 7x closed, and FIG. 15(b) is a side view of the application unit 7x of FIG. 15(a) opened. As shown in FIG. 15(a), the tape applicator 2h has the hook 7a of the application unit 7x hooked to the opening and closing hook 55 of the case 10. As shown in FIG. 15(b), the tape applicator can be developed by removing the hook 7a from the opening and closing hook 55 of the chassis 5x and rotating the application unit 7x around the shaft 62 in the R1 direction. As in the third embodiment, the tape 56 is attached to the tape holder 59, and the tip of the tape 56 is pulled out and applied to the outer periphery of the pull-out roller 26 and the peeling roller 28. Thereafter, the application unit 7x is rotated around the shaft 62 in the direction opposite to the arrow R1 to close it, and then the opening / closing claw 55 of the application unit 7x is hooked onto the claw 7a of the chassis 5x to close it.

[0079] In the tape applicator of the fourth embodiment, when the case is pressed from the side, the tip of the tape is sent out and stored on the surface to be applied 1a, and when the pressure of the case is removed after the tape application is completed, the tape can be cut. The fourth embodiment can be expected to have the same effects as the third embodiment.

[0080] Fifth embodiment [Tape applicator with a drive unit on the lever] Next, a tape applicator with a drive unit on a lever will be described below. The tape applicator with a drive unit on a lever is a tape applicator with only a partial modification of the configuration of the applicator of the third embodiment. Note that the parts common to the applicator of the third embodiment are given the same reference numerals and will not be described.

[0081] Figure 16 is another example of a tape applicator, and Figure 17 is a diagram showing another example of the operating state of the tape applicator of Figure 16, where Figure 17(a) is a side view showing the whole with the application unit 7x, chassis 5x and part of the lever omitted, Figure 17(b) is a side view showing a portion of Figure 17(a) when tape is being applied, Figure 17(c) is a side view showing a portion of Figure 17(a) after the tape has been cut, and Figure 18 is a partial side view of the lever 14, drive rack gear 18 and pinion gear 2b.

[0082] The tape applicator 3h does not have the case 10 of the tape applicator of the third embodiment, so the role of the case 10 is shared by the application unit 7x and the lever 14. Therefore, the tape applicator 3h is roughly divided into an application unit 7x, a lever 14, and a chassis 5x, and the chassis 5x newly has an opening and closing claw 55 that allows the hook 7a of the application unit 7x to be freely hooked and detached. The application unit 7x newly has a guide 13 that suppresses the rotational deviation of the rolled tape 56, and further holds a propelling member 34 as a propelling body 3y, and covers at least a part of the chassis 5x.

[0083] [lever] As shown in FIG. 18, the drive unit 1x includes the shaft 11 and the arm 19 as the third embodiment, except for a portion of the shaft 11 that is rotatably held by the chassis 5x. The upper part of the lever 14 includes an operating spring 61. The arm 19 includes a driving claw 15 that engages with the arm claw 83 of the cutting section 8x from below to drive the cutting section 8x, an engaging spring 16 that biases the driving rack gear 18 toward the pinion gear 2b, and a driving shaft 17. The driving shaft 17 includes a driving rack gear 18 that is swingable and drives the tape feeding device 2x. The lever 14 is rotatably held by the shaft 11 that is provided inside the tape holding shaft 60. The operating spring 61 is provided between the upper side of the lever 14 and the tape holding shaft 60, and biases the lever 14 in a direction to open around the shaft 11 by a repulsive force in the direction of the tape holding shaft 60.

[0084] [Drive unit for converting reciprocating motion into rotary motion] Fig. 7(b) is a side view showing an example of meshing between the pinion gear and the drive rack gear of the tape feeding device 2x. As shown in Fig. 7(b), the drive mechanism rotates the pinion gear 2b in one direction by the reciprocating motion of the drive rack gear 18 of the drive unit 1x similar to the third and fourth embodiments. The drive unit 1x includes a drive shaft 17, a drive rack gear 18 having a number of teeth 20, an engagement spring 16 that engages the drive rack gear 18 with the pinion gear 2b, and the pinion gear 2b having a number of teeth 20 and an axis 27.

[0085] A driving rack gear 18 of the driving unit 1x has many teeth 20 arranged in series to mesh with the teeth of the pinion gear 2b, and the teeth 20 of the driving rack gear 18 have an engagement surface 1L to engage with the teeth of the pinion gear 2b, similar to the third embodiment. The driving shaft 17 of the driving rack gear 18 is disposed on a perpendicular line 2L to the intersection point where the teeth of the pinion gear 2b and the engagement surface 1L meet, or further on the side in the direction of the arrow D1. When the driving unit 1x advances the driving shaft 17 of the driving rack gear 18 in the direction of the arrow A during the transmission of the driving force to the pinion gear 2b, the teeth 20 of the driving rack gear 18 are pressed in the direction of the pinion gear 2b of the arrow D1 with a strength according to the load of the pinion gear 2b, and rotate the pinion gear 2b in the direction of the arrow K while continuously meshing with the teeth of the pinion gear 2b. After that, the drive rack gear 18, which has finished rotating the pinion gear 2b, retreats in the direction opposite to the arrow A and returns to its original position. If the teeth 20 of the drive rack gear 18 in the fifth embodiment are formed in an inclined sawtooth shape like the third embodiment, the distance of the arrow D1 can be shortened and the drive unit 1x can be made smaller.

[0086] [Brake unit] Fig. 19 is a diagram showing the operation states of the brake unit 9x in sequence, Fig. 19(a) is a diagram showing a state in which the brake unit 9x is rotatably held on the shaft 11 of the lever 14, Fig. 19(b) is a diagram showing a state in which the brake unit 9x is adjusted by an adjustment claw 94 in Fig. 19(a), and Fig. 19(c) is a diagram showing a state in which the brake pad 90 of the brake unit 9x is pressed against the inside of the tape roll 56 in Fig. 19(a). The lever 14 is provided with the brake unit 9x, and when the lever 14 is rotated in the direction of arrow R1 in Fig. 19(c) from Fig. 19(a), the brake unit 9x also rotates in the same manner as the lever 14, so that the brake pad 90 is pressed against the inner wall of the roll of tape 56 by a spring 91, and the rotation of the roll of the rolled tape 56 is braked. The strength of the brake can be adjusted in stages by rotating the adjustment knob 92 of the arm 93 in Figure 19 (b) around the axis 11 in the direction of arrow Y1 and engaging the adjustment claw 94 with one of several adjustment grooves 95 engraved on the lever 14.

[0087] [Drive control unit] In the tape applicator 1h of the third embodiment, the drive control body 6x stops the swing of the case 10, but in the tape applicator 3h of the fifth embodiment, it stops the drive of the drive rack gear 18 of the drive unit 1x connected to the lever 14. Figures 20(a) to 20(c) are side cross-sectional views showing the relationship between the drive control body 6x of Figure 16 and the drive rack gear 18 of the drive unit 1x with some parts omitted, and Figure 20(a) is a side view showing a state in which the drive control body 6x opens around the main shaft 73 in the Y4 direction and the stopper 72 releases the drive rack gear 18. Figure 20(b) is a side cross-sectional view showing a state in which the drive control body 6x rotates around the main shaft 73 in the Y5 direction and the stopper 72 engages with the engagement part 12 of the drive rack gear 18 in Figure 20(a). FIG. 20(c) is a side cross-sectional view showing a state in which the drive control body 6x rotates around the main shaft 73 in the Y6 direction in FIG. 20(a), the protective cover 70 covers and closes the opening 77, and the stopper 72 engages with the engagement portion 12 of the drive rack gear 18, stopping the drive of the drive rack gear 18. When using the tape applicator 3h, the drive control body 6x in FIG. 20(a) is rotated in the release direction of the arrow Y4 around the main shaft 73 from the engagement portion 12 of the drive rack gear 18. When not using the tape applicator 3h, the stopper 72 in FIG. 20(c) is rotated around the main shaft 73 in the arrow Y6 direction, and the stopper 72 of the drive control body 6x is engaged with the engagement portion 12 of the drive rack gear 18 to cover the opening 77 of the application unit 7x, and the drive of the drive rack gear 18 and the lever 14 connected by the main shaft 73 is stopped, stopping the drive of the entire tape applicator 3h. The drive control body 6x may be adapted to engage with the lever 14 to stop the drive of the lever 14.

[0088] [Opening and closing of the propulsion member holding the cut section] Fig. 21 is a diagram showing the process of opening and closing the application unit 7x and the propulsion member 34. Fig. 21(a) is a side view showing the application unit 7x, the cutting section 8x, and the propulsion member 34 of Fig. 16 with some parts omitted, Fig. 21(b) is a cross-sectional view seen from the direction of arrow AA in Fig. 21(a) showing a state in which the application unit 7x and the propulsion member 34 are open, Fig. 21(c) is a diagram showing a state in which the propulsion member is engaged with the application unit in Fig. 21(b), and Fig. 21(d) is a diagram showing a state in which the propulsion member and the application unit are closed in Fig. 21(b).

[0089] [Replacement of propulsion member holding the cut section] The cutting portion 8x of the propulsion member 34 is rotatably held by a drive shaft 82, and the propulsion member 34 is attached to the application unit 7x by first moving the propulsion member 34 in the direction of the arrow Y1 as shown in Fig. 21(c) from the state in which the application unit 7x and the propulsion member 34 are open as shown in Fig. 21(b), so that the claw 46 of the propulsion member 34 bends the leaf spring arm 48 and engages with the opening / closing claw 79 of the application unit 7x, and then, as shown in Fig. 21(d), the propulsion member 34 is further moved in the direction of the arrow Y1, so that the claw 46 of the propulsion member 34 is hooked to the opening / closing claw 79 of the application unit 7x and closed. To remove the propulsion member 34, the claw 46 of the propulsion member 34 bends the leaf spring arm 48, and the claw 46 is removed from the opening / closing claw 79 of the application unit 7x. In this way, the cutting part 8x that has become dull can be safely and easily replaced. Other than that, the configuration of each part is the same as that of the tape applicator of the third embodiment. The tape applicator 3h basically operates in the same way as the tape applicator of the third embodiment, so tape application can be performed in the same procedure.

[0090] [Operation of a tape applicator with a drive unit on a lever] First, as shown in Fig. 17(a), the user presses the tape application roller 75 of the tape applicator 3h against the surface 1a to be applied. Next, as shown in Fig. 17(b), when the lever 14 is rotated around the shaft 11 in the direction of the arrow R1 against the force of the operating spring 61 to close, the driving rack gear 18 of the driving unit 1x rotates the pinion gear 2b to drive the tape delivery device 2x in the same way as the tape applicator of the third embodiment, and the tip of the tape 56 is pressed against the contact portion between the application roller 75 and the surface 1a to be applied. The tape 56 that has nowhere to go bends so that the adhesive surface comes into contact with the surface 1a to be applied, and is stored.

[0091] [Brake unit] At this time, the brake unit 9x also rotates in the same manner as the lever 14, so that the brake pad 90 presses against the inner wall of the roll of tape 56, braking the rotation of the roll of tape 56. The strength of the brake can be adjusted stepwise with the adjustment knob 92. With the lever 14 closed, the entire tape applicator 3h is pulled in the direction of the arrow Y1 to apply the tape 56 to the application surface 1a. After that, as shown in FIG. 17(c), the force of the lever 14 is removed, and the driving rack gear 18 is rotated in the direction of the arrow R2 by the bias of the operating spring 61 that biases the driving unit 1x toward its original position, and returns the lever 14 to its original position. The driving rack gear 18 and the pinion gear 2b slide over each other's teeth and return to their original positions.

[0092] At this time, the driving claw 15 of the lever 14 engages with the arm claw 83 of the cutting part 8x from below, and lifts the arm claw 83 upward against the bias of the return spring 89. Then, the cutting part 8x rotates counterclockwise around the swing shaft 82, and the cutting blade 88 comes into contact with the tape 56 between the application roller 75 and the peeling roller 28 from a direction perpendicular to the moving direction of the tape 56, and cuts the tape 56. If cutting of the tape 56 fails, the cutting button 87 of the cutting part 8x is pressed by hand to rotate the cutting part 8x around the swing shaft 82, and cuts the tape 56. By constructing the tape applicator 3h in this way, the pressing force of the application roller 75 on the application surface 1a can be freely adjusted, and even if the tape applicator 3h is temporarily released from above the application surface 1a, the tape 56 will not be cut as long as the lever 14 is in a pulled state.

[0093] After the tape 56 is cut, the driving claw 15 moves toward the end of the arm claw 83, and when the driving claw 15 and the arm claw 83 are no longer engaged, the cutting portion 8x is returned to its original position by the bias of the return spring 89. The driving claw 15 returns to its original position by the bias of the operating spring 61. Since the subsequent cut tape 56 remains on the outer periphery of the pull-out roller 26 and the peeling roller 28, the next tape 56 can be reliably pulled out and fed out.

[0094] [Development of a tape applicator with a drive unit on a lever] FIG. 22 is a side view showing an example of the development of the tape applicator, FIG. 22(a) is a side view of the application unit 7x closed, and FIG. 22(b) is a side view of the application unit 7x of FIG. 22(a) opened. The tape applicator 3h can be developed by rotating the application unit 7x around the shaft 62 of the chassis 5x in the direction of the arrow R4 as shown in FIG. 22(a). In this developed state, the rolled tape 56 is attached to the tape holder 59, and the tip of the tape 56 is pulled out and applied to the outer periphery of the pull-out roller 26 and the peeling roller 28. After that, the application unit 7x is rotated around the shaft 62 in the opposite direction of the arrow R4, and the claw 7a of the application unit 7x is hooked and locked to the opening and closing claw 55 of the chassis 5x to close it. With this configuration, the tape applicator 3h can be easily developed, and the replacement of the tape 56 and the initial setting of the tape 56 can be easily and quickly performed.

[0095] In the tape applicator of the fifth embodiment, when the lever is closed, the tip of the tape is sent out and stored on the surface to be applied 1a, and when the force of the lever is removed and the lever is opened after the tape application is completed, the tape can be cut. In addition, the applied tape can be neatly applied without "wrinkles". And the same effect as the third embodiment can be expected.

[0096] Sixth embodiment [A tape applicator with a lever and a drive unit with an added handle] Next, a tape applicator having a drive unit with an additional handle on the lever will be described below. The tape applicator having a drive unit with an additional handle on the lever is a tape applicator having only a partly modified configuration of the applicator of the fifth embodiment. Note that the parts common to the applicator of the fifth embodiment are given the same reference numerals and the description will be omitted.

[0097] Figure 23 shows an example of another operating state of the tape applicator, where Figure 23(a) is a side view showing the whole with the application unit 7x, the chassis and part of the lever omitted, Figure 23(b) is a side view showing a part of Figure 23(a) after the tape has been fed out, and Figure 23(c) is a side view showing a part of Figure 23(a) after the tape has been cut.

[0098] The chassis 5x is newly provided with a handle 64 behind the chassis 5x. The lever 14 is disposed below the handle 64. The operating spring 61 is provided between the lever 14 and the handle 64, and biases the lever 14 around the shaft 11 in the direction opposite to the handle 64, that is, in the direction of the arrow R1. Therefore, the tape applicator 4h is roughly divided into an application unit 7x, a lever 14, a chassis 5x, and a handle 64, and is otherwise similar in configuration to the tape applicator of the fifth embodiment, except for changes in the shapes of the various parts.

[0099] [Operation of a tape applicator with a lever and a drive unit with an additional handle] The tape applicator 4h basically operates in the same manner as the tape applicator of the fifth embodiment, so that the tape can be applied in the same manner. The procedure for applying the tape will be briefly described below. First, the user presses the tape application roller 75 of the tape applicator 4h against the surface 1a to be applied as shown in FIG. 23(a). Next, the lever 14 is rotated around the shaft 11 in the direction of the handle 64 of the arrow R1 against the bias of the operating spring 61 to close it, resulting in the state shown in FIG. 23(b). The driving rack gear 18 of the driving unit 1x rotates the pinion gear 2b to drive the tape delivery device 2x, as in the tape applicator of the fifth embodiment, and delivers the leading end of the tape 56 in the direction where the application roller 75 and the surface 1a contact each other.

[0100] At this time, the brake unit 9x also rotates in the same manner as the lever 14, so that the rotation of the rolled tape 56 is braked as in the fifth embodiment. After that, with the lever 14 closed, the entire tape applicator 4h is pulled in the desired direction to apply the tape 56 to the application surface 1a. Then, as shown in FIG. 23(c), the force of the lever 14 is removed, and the lever 14 is rotated in the direction of the arrow R2 and returned to its original position by the bias of the operating spring 61 which biases it in the direction of its original position. After that, the cutting blade 88 comes into contact with the tape 56 between the application roller 75 and the peeling roller 28 to cut the tape 56.

[0101] [Development of a tape applicator with a drive unit on a lever] Fig. 24 is a side view showing an example of the deployment of the tape applicator, Fig. 24(a) is a side view of the application unit 7x closed, and Fig. 24(b) is a side view of the application unit 7x of Fig. 24(a) opened. As shown in Fig. 24(a), the tape applicator 4h can be deployed by rotating the application unit 7x around the shaft 62 of the chassis 5x in the direction of the arrow R4, as in the fifth embodiment, and after setting the tape 56, the application unit 7x is rotated around the shaft 62 in the opposite direction to the arrow R4 to hook the claw 7a onto the opening and closing claw 55 of the chassis 5x to close it.

[0102] In addition, the sixth embodiment can be expected to have the same effects as the fifth embodiment, such as the function of the drive control body 6x that temporarily stops the tape applicator 4h in the same manner as the tape applicator 3h, and the replacement of the propelling member 34 that holds the cutting portion 8x.

[0103] In addition to the first to sixth embodiments, various driving methods can be used, such as rotating the drive unit with a push button or dial, or using an electric motor. [Industrial Applicability]

[0104] The tape feeding device according to the present invention can be used as a component part of various tape applicators, desktop tape holders, electric tape holders, sealing devices, wrapping and packaging devices, etc. The tape applicator according to the present invention can be used for sealing envelopes, attaching labels such as posters, packaging, packing cardboard cases, etc., and can be used for various other purposes. For example, it can be used for automatically applying tape using a robot, etc. Therefore, the industrial applicability of the present invention is extremely high. [Explanation of symbols]

[0105] h, 1h, 2h, 3h, 4h Tape applicator 1a Surface to be attached 1L engaging surface 1x Drive Unit 10 Cases 11 Axis 12 Engagement part 13 Guide 14 Lever 15 Driving Claw 16 Engagement spring 17 Drive shaft 18 Drive rack gear 19 Arm 2b Pinion gear 2x tape feeder 2y Drive connection body 20 teeth 21 Stopper 24 Propulsion components 25 Roller holder 26 Pull-out roller 27 Axis 28 Peeling roller 29 Contact surface 3y propellant 30 Edge 31 Axis 32 Belt groove 33 Belt 34 Propulsion components 35 Side wall 36 Propulsion roller 37 Axis 38 Bottom side 39 Molded Disc 4y bending section 40 Forming roller 41 Axis 42 Roller holding part 43 Tension body 44 Tension roller 45 Axis 46 Hook Claw 48 Leaf spring arm 5a Tape after bending 5b Wrinkles 5x chassis 50 Pull-out roller 51 Axis 52 Peeling and forming roller 53 Axis 55 Opening and closing claws 56 Tape 57 Tape after bending 58 Bottom plate 59 Tape holder 6x Drive Control Unit 60 Tape holding shaft 61 Operating spring 62 Axis 63 Storage area 64 Handle 65 Slot 66 Slot 7a hook claw 7x application unit 70 Protective cover 72 Stopper 73 Main axis 74 Axis of action 75 Application roller 76 Axis 77 Opening 78 Stopper 79 Opening and closing claws 8x cutting section 80 Arm 81 Stopper 82 Swing shaft 83 Arm Claw 84 Leaf spring arm 85 Cam 86 Cutting blade holder 87 Disconnect button 88 Cutting blade 89 Return spring 9x Brake unit 90 Brake pads 91 Spring 92 Adjustment knob 93 Arm 94 Adjustment claw 95 Adjustment groove

Claims

1. A tape delivery device for delivering a tape (56) wound around a shaft in a forward direction, a substantially cylindrical pull-out roller (26) for pulling out the tape (56) from the tape roll and rotating as the tape (56) is pulled out; A tape feeding device comprising: a propellant (3y) for engaging with the pulled-out tape (56) and having an edge (30) parallel to the direction of travel of the tape (56); and a bend forming portion (4y), wherein both end portions (x2) of the tape (56) are rotated upward by the edge (30) of the propellant (3y) and the bend forming portion (4y) to form a bend.

2. A tape delivery device as described in claim 1, characterized in that the bend forming portion (4y) is composed of a rotating member that rotates together with the delivery of the tape (56).

3. The ratio of the length of the central width (x1) of the tape (56) to the total width of the tape (56) is in the range of 40% to 90%; 2. The tape feeding device according to claim 1, wherein the bending angle (k1) of the end portion of the bent tape (56) relative to the width (x1) at the center is in the range of 20° to 90°.

4. A tape feeder comprising a driving roller (36), a tension roller (44), a peeling roller (28), and an application roller (75); The bend forming portion (4y), the pushing roller (36), The tension roller (44); The peeling roller (28), 2. The tape delivery device according to claim 1, wherein the application roller (75) has a shape with irregularities on its surface.

5. A tape delivery device according to claim 1; a tape holder (59) that keeps the tape (56) rotating and supports the tape feeding device; the application roller (75) supported by the tape holder (59) for pressing the tape (56) against the surface (1a) to be applied; an application unit (7x) having a cutting blade (88); The tape applicator is provided with a case (10) for storing the tape holder (59), and stores the tip of the tape (56) in a peeled state.

6. A tape delivery device according to claim 1; A drive mechanism for driving the tape feeding device, The pull-out roller (26) is provided with a pinion gear (2b) that rotates integrally with the pull-out roller, a drive rack gear (18) for rotating the pinion gear (2b) is provided in the drive unit (1x); The drive rack gear (18) comprises a drive shaft (17); The drive rack gear (18) has a number of teeth (20) connected to it for engaging with the teeth of the pinion gear (2b); In either the forward or backward movement of the reciprocating motion of the drive rack gear (18), as the rack gear (18) is moved by the drive shaft (17), the teeth (20) of the rack gear (18) engage with and continuously mesh with the teeth of the pinion gear (2b), rotating the pinion gear (2b) in the forward direction to transmit power and drive the tape feeding device.

7. When the drive shaft (17) disposed on the drive rack gear (18) is moved in a direction toward the pinion gear (2b), the drive rack gear (18) engages and meshes with the pinion gear (2b) to enable power transmission, The position where the drive shaft (17) is disposed on the drive rack gear (18) is determined as follows:

7. The tape applicator according to claim 6, wherein the teeth are disposed on the upper side of the pinion gear (2b) and further on the right side of all the teeth (20).

8. When the drive shaft (17) disposed on the drive rack gear (18) is moved in a direction away from the pinion gear (2b), the drive rack gear (18) engages and meshes with the pinion gear (2b) to enable power transmission, The position where the drive shaft (17) is disposed on the drive rack gear (18) is determined as follows:

7. The tape applicator according to claim 6, wherein the teeth are disposed on the lower side of the pinion gear (2b) and further on the right side of all the teeth (20).

9. Either the attachment unit (7x) or the chassis (5x), 7. The tape applicator according to claim 5, further comprising an operating spring (61) that repels the drive unit (1x) and urges the drive unit (1x) toward its original position.

10. The drive unit (1x) has a drive claw (15), The application unit (7x) has a cutting section (8x) for cutting the tape (56), The cutting unit (8x) includes a swing shaft (82) swingably supported by the joining unit (7x); the cutting blade (88) for cutting the tape (56); an arm (80) for holding the cutting blade (88); The arm (80) has an arm pawl (83) for engaging with the driving pawl (15), A tape feeder is disposed between the application roller (75) and the tape feeder.

7. The tape applicator according to claim 5, wherein, after the tape feeding device is driven, when the operating spring (61) urges the cutting portion (8x) toward its original position and returns, the driving unit (1x) is also driven, causing the driving claw (15) to engage with the arm claw (83), driving the cutting portion (8x) to rotate around the drive shaft (82), and cutting the tape (56) with the cutting blade (88).

11. A tape delivery device according to claim 1; a cutting blade (88) for cutting the tape (56); The cutting blade (88) has a central axis of symmetry, A tape applicator characterized in that the center of the cutting edge is triangular in shape and protrudes in the cutting direction of the cutting blade (88).

12. The tape applicator is provided with a drive control body (6x), The drive control body (6x) has a shaft (73), The shaft (73) is rotatably provided on a part of the chassis (5x), The tape applicator according to any one of claims 5 and 6, characterized in that the drive control body (6x) further comprises a stopper (72) that engages with a part of the drive unit (1x) to temporarily stop the drive of the tape applicator.

13. The case (10) is rotatably supported on the chassis (5x) by a shaft (11), the application unit (7x) having the propellant (3y) and rotatably supported by a shaft (62); Rotating the case (10) around the axis (11), an upper surface of the tape (56); The upper surface of the pull-out roller (26); 6. A tape applicator according to claim 5, wherein the peeling roller (28) can be opened and closed so that the upper surface thereof can be freely exposed.

Images