WO2021044749A1

WO2021044749A1 - Tape cutter

Info

Publication number: WO2021044749A1
Application number: PCT/JP2020/028066
Authority: WO
Inventors: 瑞紀岡田; 直毅齋藤; 佐藤　正則; 徳一馬場
Original assignee: ニチバン株式会社
Priority date: 2019-09-05
Filing date: 2020-07-20
Publication date: 2021-03-11
Also published as: TW202112647A; CN114364626A; JP7341802B2; JP2021038081A

Abstract

In order to provide a tape cutter that is easy to understand in terms of the function of the operation portions and the operation direction, and that exhibits preferable handleability and is simply operable irrespective of the user, provided is a tape cutter provided with: a case body (12) that has a rolled body housing part (13) and an opening (11); a feed-out mechanism part (15) that rolls out a tape (T1) in response to an operation input to a feed-out operation member (52) supported on the case body; and a cut mechanism part (16) that cuts off a leading end-side portion (T1a) of the tape (T1) in response to an operation input to a cutting operation member (61) supported on the case body (12), wherein the case body (12) has a tape feed-out cylinder part (14) that forms a tape feed-out path (14a) to the opening (11), the cutting operation member (61) is provided so as to retractably appear from an outside-wall part, on one side of the tape (T1), of the tape feed-out cylinder part (14) to the outside on the one side, whereas the feed-out operation member (52) is disposed so as to be operated movably on the other side along an outside-wall part of the tape feed-out cylinder part (14).

Description

Tape cutter

The present invention relates to a tape cutter, particularly a tape cutter such as a hand cutter that is suitable for a roll-shaped tape (hereinafter, also referred to as a tape winding body) and can be operated with one hand.

A tape cutter that can be gripped and operated with one hand is known as a tape cutter that cuts by pulling out or feeding out a tape of the required length from a tape winding body such as an adhesive tape.

As a tape cutter of this type, for example, in Patent Document 1, as shown in FIGS. 10A and 10B, when the sliding portion 130 capable of inputting an operation is moved in the direction of the arrow Sc in FIG. 10A, the adhesive tape 101 is cut. The tape holding portion 131 of the sliding portion 130 is pressed against the tape drawing portion 111 on the inner back side from the position 101a, and the adhesive surface of the adhesive tape 101 is attached to the tape pressing portion 131, whereby the cutting position of the adhesive tape 101 is formed. A hand cutter 100 is disclosed in which the 101a is fixed and the operation of cutting the tape by the cutter portion 120 becomes easy.

In this hand cutter 100, when the sliding portion 130 is moved in the direction of the arrow SF in FIG. 10B, the tip portion of the adhesive tape 101 can be pulled out from the tape pull-out portion 111, and the cutting position 101a can be searched for or the tape can be pulled out. There is an advantage that it is not necessary to take the trouble of peeling off the cutting position 101a attached to the outer peripheral surface of the winding body.

In Patent Document 2, as shown in FIG. 11A-11C, a main body 220 having a tape accommodating portion 210, a sending portion 240 for sending out a tape 213 pulled out from the tape accommodating portion 210 through an opening 226 of the main body 220, and an opening. The cam mechanism 230 is provided with a cut portion 250 having a cutter 252 in the vicinity of 226, a delivery portion 240, and a cam mechanism 230 for operating the cut portion 250, and a stamp operation of pushing down the main body 220 against the cam cover 238 of the cam mechanism 230. Disclosed is that the pull roller 241 with ratchet teeth of the delivery portion 240 is rotated and the cutter 252 of the cut portion 250 is moved in the cutting direction via the above.

This device has an advantage that a series of operations of feeding out the tape 213 by a certain length, cutting the tip portion 213a and attaching it to the object 300 can be executed with only one pressing operation.

Japanese Unexamined Patent Publication No. 2014-181093 Japanese Unexamined Patent Publication No. 2018-150160

However, the former tape cutter that reciprocates the sliding portion 130 described above is unfamiliar because it has a configuration in which the holding and pulling operations for cutting the tape are switched according to the moving direction of the sliding portion 130. The operation method was not easily understood by various users, and there was room for improvement from the viewpoint of universal design, which has been demanded recently.

On the other hand, in the latter tape cutter that performs stamping operation, although the operation method is clear, it is necessary to push down the main body 220 against the cam cover 238 of the cam mechanism 230, so the posture at the time of use is limited to one. There was still room for improvement from the perspective of universal design in that the user could not select a comfortable operating posture.

The present invention has been made to solve the above-mentioned conventional problems, and provides a tape cutter that has a clear and easy-to-understand function and operation direction of an operation part, and is easy for any user to operate and is easy to use. The purpose is to provide.

(1) In order to achieve the above object, the tape cutter according to the present invention is movably supported by a winding body storage portion for storing the winding body of the tape, a case body having an opening capable of delivering the tape, and the case body. It is movably supported by a delivery mechanism unit that has a delivery operation member and unwinds the tape from the winding body in a delivery direction toward the opening in response to an operation input to the delivery operation member, and a case body. A tape cutter having a cutting operation member and including a cutting mechanism portion that separates a tip end side portion of the tape in the delivery direction from a subsequent portion on the winding body side in the vicinity of the opening in response to an operation input to the cutting operation member. The case body has a tape delivery cylinder portion that forms a tape delivery passage from the winding body storage portion to the opening, and the cutting operation member of the cutting mechanism portion is the tape delivery cylinder portion. Of these, the tape that is sent out from the opening is provided so as to be able to appear and disappear from the outer wall portion on one side of the tape to the outside on the one side, while the delivery operation member of the delivery mechanism portion sends out the tape from the opening of the tape delivery cylinder portion. The tape is provided so as to be movable along the outer wall portion on one side of the other side of the tape.

With this configuration, in the tape cutter of the present invention, the cutting operation member of the cutting mechanism portion can appear and disappear from the outer wall portion on one side of the tape delivered from the opening of the delivery operation member and the tape delivery cylinder portion to the outside on one side. On the other hand, the delivery operation member of the delivery mechanism unit can be moved and operated along the outer wall portion on the other side of the tape. Therefore, the cutting operation member and the delivery operation member are separately arranged on both sides of the tape delivered from the tape delivery tube portion, and the respective operation directions are substantially orthogonal to or along the adjacent outer wall portions. It will be clearly different, the function and operation direction of each operation part will be clear and easy to understand, and the user will be able to select a comfortable operation posture.

(2) In the tape cutter of the present invention, the case body has a first mounting surface portion on the side opposite to the tape delivery cylinder portion with respect to the winding body storage portion, and the first mounting surface portion. May be configured to be able to stand on its own in a vertical position in which the tape delivery cylinder portion is positioned on the vertically upper side when the tape feeding cylinder portion is supported substantially horizontally. In this case, the case body in the first posture in which the tape delivery cylinder portion is located on the upper end side is gripped, or the cutting operation member or the delivery operation member is pressed on either side of the tape delivered from the opening on the upper end side. , Can be easily operated with one hand.

(3) In the tape cutter of the present invention, when the case body takes a horizontal posture in which the cutting operation member of the cutting mechanism portion is positioned vertically downward, the cutting operation member and the winding body accommodating portion are used. When the second mounting surface portion is formed and the second mounting surface portion is supported substantially horizontally, the delivery operating member of the delivery mechanism portion may be positioned vertically above and can stand on its own. it can. With this configuration, the delivery position is located on the vertically upper side in the second posture in which the case body is turned sideways with the second mounting surface portion composed of the cutting operation member and the winding body storage portion facing down. The delivery operation member of the mechanism unit can be easily moved and operated along the outer wall portion with one hand.

(4) In the tape cutter of the present invention, when the case body takes a horizontal posture in which the delivery operation member of the delivery mechanism portion is positioned vertically downward, the delivery operation member and the winding body storage portion are used. When the third mounting surface portion is formed and the third mounting surface portion is supported substantially horizontally, the cutting operation member of the cutting mechanism portion may be positioned vertically above and can stand on its own. it can. With this configuration, the cutting operation member of the cutting mechanism portion is in the state of the third posture in which the case main body is turned sideways with the third mounting surface portion composed of the delivery operation member and the winding body storage portion facing down. Can be easily pressed in the direction of being immersed in the outer wall on one side.

(5) In the tape cutter of the present invention, the case body has a detachable cover portion capable of opening the winding body storage portion and the tape delivery cylinder portion on one side surface side of the winding body, and the detachable cover portion can be attached and detached. It may be configured to have a concave case portion to be held in. In this case, the detachable cover portion can be separated from the concave case portion to open one side surface side of the winding body storage portion and the tape delivery passage, and the tape winding body can be attached or the tape drawn from the tape winding body can be attached. The introduction work into the delivery passage can be easily performed.

(6) The cutting operation member of the cutting mechanism portion appears and disappears from one end portion rotatably supported with respect to the case body on the winding body storage portion side and from the outer wall portion on one side of the opening side. It has a displaceable other end portion, and at the other end portion, a tip end side portion of the tape in the delivery direction is placed in the vicinity of the edge portion of the opening of the tape delivery cylinder portion and succeeds to the winding body side. A cutting blade that separates from the part is attached. In this case, the movement of the cutting blade corresponds to the displacement of the other end side of the cutting operation member, and the operation direction is clear and easy to understand.

The delivery mechanism unit attaches the delivery operation member, the tape pull-out roller rotatably supported by the case body between the winding body storage unit and the opening, and the delivery operation member to the case body. On the other hand, it also has a first return spring that returns to a predetermined return position, so that the delivery operation member can intermittently rotate and feed the tape drawer roller with respect to the tape drawer roller between the winding body accommodating portion and the opening. It may have a configuration having a base end portion that is claw-engaged and rotatably supported with respect to the case body, and the other end portion that protrudes from the outer wall portion on the opening side.

According to the present invention, it is possible to provide a tape cutter that has a clear and easy-to-understand function and operation direction of an operation part, and is easy for any user to operate and is easy to use.

It is an external perspective view seen from the opening side for tape feeding of the tape cutter which concerns on one Embodiment of this invention. It is a front view of the tape cutter which concerns on one Embodiment of this invention. It is a rear view of the tape cutter which concerns on one Embodiment of this invention. It is a front sectional view of the tape cutter which concerns on one Embodiment of this invention. It is a top view of the tape cutter which concerns on one Embodiment of this invention. It is a left side view of the tape cutter which concerns on one Embodiment of this invention. It is a right side view of the tape cutter which concerns on one Embodiment of this invention. It is a bottom view of the tape cutter which concerns on one Embodiment of this invention. It is an exploded perspective view of the tape cutter which concerns on one Embodiment of this invention. It is a front view which shows the 1st posture which is the basic posture at the time of using the tape cutter which concerns on one Embodiment of this invention. It is a front view which shows the 2nd posture at the time of using the tape cutter which concerns on one Embodiment of this invention. It is a front view which shows the 3rd posture at the time of using the tape cutter which concerns on one Embodiment of this invention. It is a side view which shows the 4th posture at the time of using the tape cutter which concerns on one Embodiment of this invention. It is a front sectional view which shows the tip side fixing operation state at the time of tape cutting among two different operation states of the tape cutter of the conventional example. It is a front sectional view which shows the pull-out operation state of the tape tip side among the two different operation states of the tape cutter of the conventional example. It is a front sectional view which shows the standby state before the main body pushing operation which pulls out, cuts and sticks a tape among three different operation states of the tape cutter of another conventional example. It is a front sectional view which shows the state at the time of starting the cutting operation on the tape tip side among three different operation states of the tape cutter of another conventional example. It is a front sectional view which shows the state at the time of cutting of the tape tip side among three different operation states of the tape cutter of another conventional example.

Hereinafter, a mode for carrying out the present invention will be described with reference to the drawings.

The tape cutter 10 according to the embodiment of the present invention shown in FIGS. 1 to 9 is configured as a hand cutter that can be gripped and operated with one hand, and is a tape composed of a roll-shaped tape T1. The winding body R1 (see FIG. 3; hereinafter, also simply referred to as a winding body) is detachably stored.

As shown in FIGS. 1 and 3, for example, the tape T1 is formed by winding a double-sided adhesive tape with a separator around the outer circumference of a cylindrical winding core C1 in multiple layers to form a winding body R1. It is possible to unwind (unwind and unwind) so that one end of the side is used as the tip and the tip side is peeled off in the delivery direction. The tape 1 may be a single-sided adhesive tape having an adhesive layer on one side of the base sheet instead of having a separator, or a separator having an adhesive seal supported at a predetermined pitch.

As shown in FIGS. 1 to 5A and 5B, the tape cutter 10 has a case body 12 having a substantially constant thickness direction width W (see FIG. 4A) in the tape width direction of the tape winding body R1. The case body 12 is formed with a slit-shaped opening 11 that serves as an outlet (feeding port) for the tape T1 unwound from the tape winding body R1.

Specifically, the case body 12 forms a winding body storage portion 13 for storing the tape winding body R1 (roll-shaped tape) and a tape delivery passage 14a from the outlet 13a of the winding body storage portion 13 to the opening 11. The tape delivery cylinder portion 14 to be used is integrally formed.

Further, the case body 12 attaches / detaches a detachable cover portion 21 capable of opening the winding body storage portion 13 and the tape delivery cylinder portion 14 on one side surface side (front side) of the tape winding body R1, and the detachable cover portion 21 thereof. A first concave case portion 22 having a predetermined concave shape corresponding to the winding body storage portion 13 and the tape delivery cylinder portion 14 while being able to be held and fixed to the concave case portion 22 with the tape delivery passage 14a sandwiched between them. , The second fixed covers 23 and 24 are provided.

The winding body storage portion 13 has a support cylinder portion 13b that rotatably supports the winding core C1 of the tape winding body R1, and has a container shape close to a torus shape capable of rotatably storing the entire tape winding body R1. By removing the removable cover portion 21 from the concave case portion 22, the front side can be opened for tape replacement.

The tape delivery cylinder portion 14 projects from the winding body storage portion 13 in the feeding direction of the tape T1 toward the opening 11, and the concave case portion 22 located on the lower side of the tape delivery passage 14a in FIGS. 1 and 3 A delivery mechanism that sends out the tape T1 to the outside through an opening 11 in response to a feeding operation input between the storage case portion 22c (outer wall portion on the other side) and the first fixed cover 23 (outer wall portion on the other side) of 1. A portion 15 is provided.

Further, the second storage case portion 22d (outer wall portion on one side) and the second fixed cover 24 (outer wall portion on one side) of the concave case portion 22 located on the upper side of the tape delivery passage 14a in FIGS. 1 and 3 A cut mechanism portion 16 for cutting the tape T1 delivered to the outside of the tape delivery cylinder portion 14 in the vicinity of the opening 11 is provided between the two.

More specifically, as shown in FIGS. 3 and 6, the removable cover portion 21 is a transparent cover portion that covers the winding body storage portion 13 and the tape delivery cylinder portion 14 on one side surface side of the tape winding body R1 so as to be openly covered. One side surface side forming a peripheral wall having a height of about 1/2 of the thickness direction width W in the peripheral wall section of the winding body storage portion 13 other than the 21a and the outlet 13a which is an open section connected to the tape delivery cylinder portion 14. Corresponds to the peripheral wall portion 21b, the snap fitting type main fitting portion 21c that is detachably fitted to the right side portion in FIG. 3 of the concave case portion 22 corresponding to the winding body storage portion 13, and the tape delivery cylinder portion 14. It has a tape guide 21d protruding at a predetermined position in the concave case portion 22, and a positioning engaging portion 21e that regulates the rotation around the center of the main fitting portion 21c at a specific position.

The concave case portion 22 is other than the cover case portion 22a that covers the winding body storage portion 13 and the tape delivery cylinder portion 14 on the other side surface side (rear side) of the tape winding body R1 and the open section that connects to the tape delivery cylinder portion 14. In the peripheral wall section of the winding body storage portion 13, the peripheral wall portion 22b on the other side surface side forming the peripheral wall of about 1/2 of the thickness direction width W and the first and second fixed covers 23 and 24 are integrally connected. Locking protrusions 22e for locking the first and second

storage case portions

22c and 22d for accommodating the delivery mechanism portion 15 and the cut mechanism portion 16 and the return spring (described later) of the delivery operation member 52. And have.

When the positioning engaging portion 21e of the detachable cover portion 21 is positioned and held between the first and second fixing covers 23 and 24 fixed to the concave case portion 22 in the tape delivery cylinder portion 14 of the case body 12. The side edge portion of the substantially rectangular slit-shaped opening 11 is formed, and the tape guide 21d is arranged at a fixed position in the case body 12.

As shown in FIG. 6, the delivery mechanism unit 15 is peelably adhered to the adhesive surface side of the tape T1 unwound from the tape winding body R1 side in the vicinity of the tape guide 21d, and is in the direction of the tape T1 transmission. A pair of rotating delivery rollers 51, a delivery operation member 52 with a reverse stop claw 52e rotatably supported in the delivery direction of the tape T1 with respect to the case body 12, and a pair of endless windings wound around the delivery roller 51, respectively. The tip support roller 54 that sends the tape T1 to the opening 11 side in response to the rotation of the delivery roller 51 while supporting the delivery belt 53 together with the delivery roller 51 with a predetermined tension, and the tip support roller 54 is the tape T1. A support member 55 that rotatably supports in the feeding direction of the tape, and a twisting coil spring 56 (first return spring) for returning that urges the sending operation member 52 in a direction that opposes the feeding operation input of the tape T1 described above. Includes.

The pair of delivery rollers 51 are formed of, for example, a self-lubricating resin, have a concave shape that opens toward each other's facing surfaces, and have internal tooth claw gears 51a on the inner peripheral wall portion thereof. A ratchet mechanism is formed together with the check valve 52e of the operating member 52. Further, each of the pair of delivery rollers 51 is formed with an outer peripheral groove 51b around which the delivery belt 53 is wound, and contacts the adhesive surface of the tape T1 in a narrow range in the tape width direction to obtain a required tape peeling force. And releasability can be obtained.

In addition to the reverse stop claw 52e, the delivery operation member 52 can rotate a pair of delivery rollers 51 while both ends are fitted and held in the concave case portion 22 and the first fixed cover 23 on the lower side of the tape delivery passage 14a. The support shaft portion 52a is integrally supported by the support shaft portion 52a on the base end side, and the trigger is on the tip side protruding outward of the case body 12 so as to receive the above-mentioned feeding operation input of the tape T1. The operation portion 52b (the other end) having a shape and the reverse stop claw 52e protruding from the operation portion 52b and extending in the rotation direction of the support shaft portion 52a and supported on the tip side allow the operation portion 52b to be operated in the arrow D1 direction. While the internal tooth claw gear 51a of the delivery roller 51 is rotationally driven, when the operation unit 52b returns to the initial position, the reverse stop claw 52e is displaced with respect to the internal tooth claw gear 51a of the transmission roller 51. It integrally has a flexible arm portion 52c (one end portion) that supports the reverse stop claw 52e so as to allow the above.

Each of the pair of endless delivery belts 53 is made of a material having rubber elasticity and is formed in a ring shape having a substantially circular cross section. By being wound around the pair of delivery rollers 51 and the tip support roller 54, the tape T1 is fed out. When the operation input is input to the delivery operation member 52 and the pair of delivery rollers 51 rotate in the tape delivery direction, the upper half portion that partially contacts the adhesive surface of the tape T1 is moved from the pair of delivery rollers 51 according to the rotation angle. The tape T1 can be sent out by moving it to the tip support roller 54 side.

The one end 56a of the torsion coil spring 56 is engaged with the inner groove portion 52d of the operating portion 52b with a retainer, and the other end 56b is engaged with the locking projection 22e of the concave case portion 22 near the tape delivery passage 14a. While being stopped, the intermediate coil portion 56c is externally attached to the support shaft portion 52a of the delivery operation member 52. Of course, the torsion coil spring 56 may be composed of another torsion spring (torsion spring) having the same function.

From the above configuration, the delivery operation member 52 can be moved along the curved outer wall surface of the second storage case portion 22d and the second fixed cover 24 of the tape delivery cylinder portion 14, and the torsion coil spring 56 It is operated from the solid line position in FIG. 3 to the virtual line position in the tape feeding direction side against the repulsive force of the above, while the repulsive force of the torsion coil spring 56 can return to the initial position shown by the solid line in FIG. It has become.

The cutting mechanism portion 16 cuts a cutting operation member 61 that is rotatable so as to protrude from the case body 12 or is immersed in the protruding state, a cutting blade 62 attached to the rotating end side of the cutting operation member 61, and a cutting blade 62. A compression coil spring 63 (second return spring) for returning the operating member 61 to urge the case body 12 toward the protruding position, and a part of the tape T1 facing the inner wall of the opening 11 from the separator side. It has a tape pressing member 64 that is pressed onto the wall surface.

Then, when the cutting operation member 61 is rotationally displaced from the protruding position shown by the solid line in FIG. 3 to the immersion position shown by the virtual line in FIG. The tip side portion T1a of the tape winding body R1 side is separated from the succeeding portion T1b on the tape winding body R1 side in the vicinity of the opening 11.

Specifically, the cutting operation member 61 is an outer wall portion on one side of the tape T1a delivered from the opening 11 of the tape delivery cylinder portion 14, that is, a second storage case portion 22d and a second storage case portion 22d of the concave case portion 22. One end side rotation fulcrum portion 61a (one end portion) rotatably supported by the fixed cover 24 of the above, and the other end side stopper portion 61b (the other end) to which a cutting blade 62 having a cutting edge toward the tape T1a is attached. A portion), an operation surface 61c on which a pressing operation is performed, and an intermediate lower surface portion 61d that receives a repulsive force from the compression coil spring 63 for return.

In the cutting operation member 61, the rotation fulcrum portion 61a on one end side is rotatably supported with respect to the case body 12 on the winding body storage portion 13 side, and the stopper portion 61b on the other end side is the tape delivery cylinder on the opening 11 side. It can be displaced so as to appear and disappear from the portion 14.

As shown in FIG. 3, in the cutting blade 62, the cutting operation member 61 is displaced to the protruding position shown by the solid line in FIG. 3, and the stopper portion 61b on the other end side is the second storage case portion 22d of the concave case portion 22. And when it is in contact with the second fixed cover 24 from the inside, its cutting edge is set to a length located on the upper side of the tape delivery passage 14a.

Further, when the cutting operation member 61 is displaced to the immersion position shown by the virtual line in FIG. 3 and the stopper portion 61b on the other end side of the cutting blade 62 is close to the tape delivery passage 14a, the cutting edge thereof is the tape delivery passage 14a. The tape T1 can be cut from the separator side so as to be separated from the succeeding portion T1b on the tape winding body R1 side in the vicinity of the inner wall portion of the opening 11.

As shown in FIGS. 3 and 6, the tape pressing member 64 has a base end portion 64a supported by the cutting operation member 61 and a part of the tape T1 facing the inner wall portion of the opening 11 from the separator side onto the inner wall surface. The pressing plate portion 64b on the tip side, which has a substantially L-shaped bending shape that can be pressed against, and the base end portion 64a and the pressing plate portion 64b are connected, and the pressing plate portion 64b is constantly generated with urging force in the pressing direction. It has a flexible arm portion 64c.

When the cutting operation member 61 is returned to the protruding position shown by the solid line in FIG. 3 due to the action of the return force from the compression coil spring 63, the tape pressing member 64 is shown by the cutting operation member 61 in the solid line in the drawing. When the cutting operation member 61 is pressed to the immersion position side shown by the virtual line in FIG. 3 while being restrained at the upper standby position shown, the left and right bending arm portions 64c urge the pressing plate portion 64b in the pressing direction. The tape T1 can be pressed onto the inner wall surface before the tape T1 is cut by the cutting blade 62.

As described above, in the present embodiment, the cutting operation member 61 of the cutting mechanism portion 16 is provided so as to be able to appear and disappear from the outer wall portion of the tape delivery cylinder portion 14 on the tape one side side to the outside of the tape delivery mechanism portion 14. The delivery operation member 52 of the 15 is movable along the outer wall portion on one side of the tape delivery cylinder portion 14.

As shown in FIG. 7, the tape cutter 10 has a first mounting surface portion 17 composed of two

parallel ridges

71 and 72 on the side opposite to the tape delivery cylinder portion 14 with respect to the winding body storage portion 13. When the first mounting surface portion 17 is placed substantially horizontally on a support table upper surface 91 such as a workbench or a desk upper surface and is in the first posture supported by the support table upper surface 91, the tape cutter 10 is , The tape delivery tube portion 14 can stand on its own in a vertical position positioned vertically above. Therefore, at this time, for example, while gripping the tape cutter 10 from the front side with one hand, the sending operation member 52 of the sending mechanism portion 15 is operated with the fingers of the one hand with respect to the case body 12 in the direction of arrow D1 or the cutting mechanism portion 16. The cutting operation member 61 can be operated in the direction of arrow D2.

As shown in the figure, the case main body 12 has a flat opening side end surface 12b that is inclined at a predetermined intersection angle with respect to the flat surface 12a on which the

ridges

71 and 72 of the first mounting surface portion 17 are projected. , With the first curved side surface 12c (outer wall portion on one side) that curves with the same radius of curvature from the winding body storage portion 13 to the tape delivery cylinder portion 14 on one side surface side thereof, which is one end side of the first mounting surface portion 17. The second curved side surface 12d, which is the other side surface side of the first mounting surface portion 17 and is substantially circular with a radius of curvature smaller than the first curved side surface 12c around the winding body storage portion 13, and the tape. The case main body 12 has a third curved side surface 12e (an outer wall portion on the other side) that is substantially circular on the other side surface side of the delivery cylinder portion 14 with a radius of curvature smaller than the second curved side surface 12d. The bus lines on the pillar surface around the outer surface of the are parallel.

Further, as shown in FIG. 8A, in the tape cutter 10 of the present embodiment, when the installation posture of the case body 12 is the second horizontal posture in which the cutting operation member 61 of the cutting mechanism portion 16 is directed vertically downward. Two line contact portions functionally similar to the

ridges

71 and 72 by the operation surface 61c (which may be a part) of the cutting operation member 61 and the first curved side surface 12c which is the outer wall surface of the winding body storage portion 13. Or / and a second mounting surface portion 73 having a surface contact portion is configured. When the second mounting surface portion 73 is supported substantially horizontally on the support base upper surface 91, the delivery operation member 52 of the delivery mechanism portion 15 can stand on its own in a state of being positioned vertically upward, and the delivery operation member The 52 can be easily operated in the direction of the arrow D1, and the case body 12 can be rotated in the direction of the arrow D3 to push the cutting operation member 61 of the cutting mechanism portion 16.

Further, as shown in FIG. 8B, in the tape cutter 10 of the present embodiment, when the case body 12 takes a third posture in which the delivery operation member 52 of the delivery mechanism portion 15 is positioned vertically downward, the delivery operation member 52 And the winding body accommodating portion 13 form a third mounting surface portion 74 having two parallel line contact portions and / and surface contact portions functionally similar to the

ridges

71 and 72, and the third mounting surface portion 74 thereof. When the 74 is supported substantially horizontally, the cutting operation member 61 of the cutting mechanism portion 16 can be positioned vertically above and can stand on its own, and the cutting operation member 61 can be easily pressed in the direction of arrow D2 and the case body. The delivery operation member 52 of the delivery mechanism unit 15 can be operated in the direction of the arrow D1 by sliding the 12 on the upper surface 92 of the support base with the abutting step 92a in the direction of the arrow M1.

The tape cutter 10 of the present embodiment may have the first mounting surface portion 17 orthogonal to the upper surface 91 of the support base. In that case, the tape cutter 10 is tilted in the front-rear direction from the horizontal posture shown in FIG. 8A or FIG. 8B, and as shown in FIG. 9, the case body 12 comes into contact with the support base upper surface 91 on one side in the thickness W direction. The delivery operation member 52 of the transmission mechanism unit 15 and the cutting operation member 61 of the cut mechanism unit 16 can be operated with one hand in the state of being allowed to operate.

Next, the action will be explained.

In the present embodiment configured as described above, the cutting operation member 61 of the cutting mechanism portion 16 is provided so as to be able to appear and disappear on one side of the tape of the tape sending cylinder portion 14, while the sending operating member of the sending mechanism portion 15 is provided. 52 is provided so as to be movable in the direction of arrow D1 in FIG. 1 along the outer wall portion on the other one side of the tape delivery cylinder portion 14.

Therefore, the cutting operation member 61 and the delivery operation member 52 are separately arranged on both side surfaces of the tape T1 delivered from the tape delivery cylinder portion 14, and the respective operation directions are relative to both outer wall portions of the tape delivery cylinder portion 14. There will be a clear difference depending on whether the direction is substantially orthogonal or along the wall surface, and the function and operation direction of each operation part will be clear and easy to understand, and the user will be able to select a comfortable operation posture. ..

In particular, in the present embodiment, a trigger-like delivery operation member 52 for tape delivery and a tape cutting operation member 52 are provided on both sides of the opening 11 at the tip of the tape delivery cylinder portion 14 projecting from the winding body storage portion 13 in the feeding direction of the tape T1. Since the push button-shaped cutting operation member 61 is arranged, both the sending operation member 52 and the cutting operation member 61 are placed under the gripping posture of the case body 12 such that the winding body storage portion 13 is stored in the palm. It can be easily operated in the operation direction with adjacent fingers.

Moreover, not only in the gripping posture, but also in the self-supporting posture of any of the first to fourth postures described above, a simple operation for pushing the delivery operation member 52 and the cutting operation member 61 in one direction may be performed. It is possible to select an arbitrary posture in which the tape cutter 10 is easy to operate, and it is possible for any user to provide a tape cutter that is easy to operate and easy to use.

For example, by taking the first posture shown in FIG. 7, the operation of holding the tape delivery cylinder portion 14 or pressing the winding body storage portion 13 against the support base upper surface 91 without gripping the winding body storage portion 13. At the same time, the sending operation member 52 and the cutting operation member 61 can be pushed in a predetermined direction. Of course, the operator can easily grip the case body 12 in the first posture.

Further, by taking the second posture shown in FIG. 8A, the delivery operation member 52 located on the vertically upper side can be easily moved and operated with one hand along the third curved side surface 12e of the tape delivery cylinder portion 14. In addition, the case body 12 can be tilted to push the cutting operation member 61.

Further, by taking the third posture shown in FIG. 8B, the cutting operation member 61 can be easily pressed in the direction of being immersed in the tape delivery cylinder portion 14, and the case body 12 is abutted against the step 92a and the tape is attached. The delivery operation member 52 can be operated while abutting against the object.

In addition, in the present embodiment, the detachable cover portion 21 can be separated from the concave case portion 22 to open one side surface side of the winding body storage portion 13 and the tape delivery passage 14a, so that the tape winding body R1 can be attached. The work of introducing the tape T1 pulled out from the tape winding body R1 into the tape delivery passage 14a can be easily performed.

Further, the cutting operation member 61 is rotatably supported by the case body 12 by the rotation fulcrum portion 61a on the winding body storage portion 13 side, and the cutting blade 62 is provided on the stopper portion 61b on the opening 11 side that appears and disappears from the tape delivery cylinder portion 14. Is attached, the movement of the cutting blade 62 corresponds to the displacement of the other end side of the cutting operation member 61, and the operation direction is clear and easier to understand.

Further, since the delivery mechanism unit 15 constitutes a ratchet mechanism that responds to the feeding operation by the operation unit 52b by the transmission roller 51 with the claw gear 51a and the transmission operation member 52 with the check valve 52e, the configuration is simple. It will be highly reliable.

As described above, in the tape cutter 10 of the present embodiment, the sending operation member 52 for sending the tape and the cutting operation member 61 for cutting the tape have a clear operation direction and a function of the operation part from their shapes and arrangements. Can be easily understood by anyone. Moreover, the sending operation member 52 and the cutting operation member 61 can be easily operated even in an arbitrary independent posture which is easy to operate among multiple postures. Therefore, it is possible to provide a tape cutter that is easy for any user to operate, is easy to use, and has a high degree of freedom. As a result, it is sufficiently improved from the viewpoint of universal design.

As described above, the present invention can provide a tape cutter in which the function and operation direction of the operation part are clear and easy to understand, and any user can easily operate and use the tape cutter. The present invention is useful for tape cutters in general, such as hand cutters, which are suitable for tape winding bodies and can be operated with one hand.

10 Tape cutter 11 Opening 12 Case body 12a Flat surface 12b Opening side end surface 12c First curved side surface (outer wall on one side)
12d 2nd curved side surface 12e 3rd curved side surface (outer wall on one side)
13 Winding body storage part 13a Outlet 13b Support cylinder part 14 Tape delivery cylinder part 14a Tape delivery passage 15 Delivery mechanism part 16 Cut mechanism part 17 First mounting surface part 21 Detachable cover part 21b Peripheral wall part 21e Engagement part 22 Concave case part 22b Peripheral wall part 22c First storage case part (outer wall part on the other side)
22d Second storage case part (outer wall part on one side)
23 First fixed cover (outer wall on one side)
24 Second fixed cover (outer wall on one side)
51 Sending roller 51a Claw gear 52 Sending operation member 52b Operation part (other end)
52c Flexible arm (one end)
56 Torsional coil spring (first return spring)
61 Cutting operation member 61a Rotation fulcrum (one end)
61b Stopper (the other end)
61c Operation surface 61d Intermediate lower surface 62 Cutting blade 63 Compression coil spring (second return spring)
71, 72 Protrusions 73 2nd mounting surface 74

3rd mounting surface

91, 92 Support base upper surface C1 Winding core R1 Tape winding body (rolling body, roll-shaped tape)
T1 tape T1a Tip side part T1b Subsequent part

Claims

A roll storage unit for storing the tape roll, a case body having an opening capable of delivering the tape, and a case body.
A delivery mechanism unit that has a delivery operation member movably supported by the case body and unwinds the tape from the winding body toward the opening in response to an operation input to the delivery operation member.
The case body has a cutting operation member movably supported, and the tip end side portion of the tape in the delivery direction is separated from the trailing portion on the winding body side in the vicinity of the opening in response to an operation input to the cutting operation member. A tape cutter equipped with a cutting mechanism
The case body has a tape delivery cylinder portion that forms a tape delivery passage from the winding body storage portion to the opening.
While the cutting operation member of the cutting mechanism portion is provided so as to be able to appear and disappear from the outer wall portion on one side of the tape delivered from the opening of the tape delivery cylinder portion to the outside on one side.
A tape characterized in that the delivery operation member of the delivery mechanism portion is provided so as to be movable along an outer wall portion on one side of the tape to be delivered from the opening of the tape delivery cylinder portion. cutter.
The case body has a first mounting surface portion on the side opposite to the tape delivery cylinder portion with respect to the winding body storage portion, and when the first mounting surface portion is supported substantially horizontally, the case body is described. The tape cutter according to claim 1, wherein the tape cutter can stand on its own in a vertical position in which the tape delivery cylinder portion is positioned vertically above.
When the case body takes a horizontal posture in which the cutting operation member of the cutting mechanism portion is positioned vertically downward, the case main body forms a second mounting surface portion by the cutting operation member and the winding body accommodating portion. The tape cutter according to claim 1 or 2, wherein when the second mounting surface portion is supported substantially horizontally, the delivery operation member of the delivery mechanism portion can be positioned vertically above and can stand on its own. ..
When the case body takes a horizontal posture in which the delivery operation member of the delivery mechanism portion is positioned vertically downward, the delivery operation member and the winding body storage portion form a third mounting surface portion. Any one of claims 1 to 3, wherein when the third mounting surface portion is supported substantially horizontally, the cutting operation member of the cutting mechanism portion can be positioned vertically above and can stand on its own. The tape cutter described in.
The case body has a cover portion that can open the winding body storage portion and the tape delivery cylinder portion on one side surface side of the winding body, and a concave case portion that holds the cover portion detachably. The tape cutter according to any one of claims 1 to 4, wherein the tape cutter is characterized by the above.
The cutting operation member of the cutting mechanism portion can be displaced so as to appear and disappear from one end portion rotatably supported by the case body on the winding body storage portion side and the outer wall portion on one side of the opening side. The other end portion is separated from the trailing portion on the winding body side in the vicinity of the edge portion of the opening of the tape delivery cylinder portion. The tape cutter according to any one of claims 1 to 5, wherein a cutting blade is mounted.