WO2020203177A1 - Cassette - Google Patents

Abstract

Provided is a cassette having a dual-layer structure that reduces conveyance resistance when a medium is lowered from an upper layer to a lower layer, and that achieves miniaturization while smoothening conveyance. A housing constituting a cassette 10 comprises a ribbon case 21 and a tape case 20. The tape case 20 is provided with a printing tape roll 26 on which a printing tape 22 is wound and a guidance rib 54. The guidance rib 54 has an inclination part 54i that is inclined so as to increase a distance from the printing tape roll 26 toward the ribbon case 21 from the tape case 20. The printing tape 22 drawn from the printing tape roll 26 is looped around the inclination part 54i of the guidance rib 54, whereby the printing tape 22 can be inclined along the inclination part 54i, and a conveyance direction of the printing tape 22 can be inclined toward the ribbon case 21.

Description

cassette

The present invention relates to a cassette in which a medium is housed in a roll shape, and more particularly to a cassette structure capable of suitably transporting the medium in the housing when the housing has a two-layer structure. is there.

A cassette having a two-layer structure and a structure for transporting a tape or ribbon from one layer to the other is known. For example, the techniques described in Patent Documents 1 to 3 are that.

In Patent Document 1, four guides 52, 60, 70, and 74 are provided on the path from the supply reel 30 to the take-up reel 32. The guide includes a semi-cylindrical surface 78, a pair of flanges 80, and a protrusion 82. The protrusion 82 is attached around the boss 84. The guides 60 and 70 are tilted, and a structure in which the tape crosses diagonally is disclosed. Patent Document 2 discloses a configuration in which the ink ribbon 1 is moved upward by a roller 3b or the like provided at an angle with respect to the vertical direction. Further, Patent Document 3 discloses a configuration in which the ink ribbon 1 is moved upward by a roller 3b or the like provided at an angle with respect to the vertical, and is wound with the ink ribbon supply shaft on the supply side (bottom). The take-up shaft (upper) is stacked in two upper and lower stages.

U.S. Pat. No. 3,672,603 U.S. Pat. No. 4,304,935 Jitsukaisho 60-036255

By the way, in Patent Document 1, since the medium is wound around the guides 60 and 70 to move the medium diagonally, the load applied to the tape is large and the transport resistance is increased. Further, in Patent Document 2, the medium is configured to move via the rollers 50 and 56, but there is a problem that the size of the cassette becomes large due to the provision of the rollers. Further, in Patent Document 3, since the tape is guided by a plurality of rollers 3 elongated in the vertical direction, for example, when the tape having relatively high rigidity is conveyed, the rollers 3 are displaced or deformed. As a result, the transportation of the tape may be hindered.

The present invention has been made in the background of the above circumstances, and an object of the present invention is to reduce transport resistance by adopting a guide provided with a ridge as a configuration for lowering the medium from the upper layer to the lower layer. The purpose is to provide miniaturization of cassettes while facilitating transportation.

The first invention for achieving such an object is provided in (a) a housing provided with a first layer and a second layer and having a head space in the first layer, and (b) provided in the second layer. A roll formed by winding the medium, and (c) a ridge provided in the second layer, and (d) the ridge provided outside the roll and from the roll. A cassette characterized in that (e) the ridge is provided with an inclined portion that protrudes in a direction away from the roll and is inclined so as to increase the distance from the roll from the second layer to the first layer. ..

According to the first invention, the housing constituting the cassette is provided with a first layer and a second layer, a head space is provided in the first layer, and a medium is wound around the second layer. A roll and a ridge are provided, and the ridge has an inclined portion that is inclined so as to increase the distance from the roll from the second layer to the first layer, so that the medium drawn from the roll can be used. By being hung around the inclined portion of the ridge, the medium can be tilted along the inclined portion, and the transport direction of the medium can be tilted toward the first layer.

In the second invention, in the first invention, the housing includes a housing wall for accommodating the roll, and a plurality of the ridges are provided so as to project from the housing wall. , The housing wall is characterized in that it projects so as to be separated from each other. In this way, the roll is accommodated in the housing by the accommodating wall, and the medium is hung around the plurality of ridges, so that the force received from the medium is dispersed by the plurality of ridges. Can take charge of it. Therefore, the strength of each of the plurality of ridges can be relatively low as compared with the case where one ridge is provided.

A third aspect of the invention is the second invention, wherein the housing comprises a bottom wall, the plurality of ridges comprises an extension extending in a direction parallel to the bottom wall, and each of the plurality of ridges. The crossing angle formed by the inclined portion and the extending portion of the medium is an acute angle, and is characterized in that it gradually increases or decreases from upstream to downstream in the transport direction of the medium. In this way, the inclination of the medium hung around the plurality of ridges can be changed as the intersection angles of the plurality of ridges are gradually increased or decreased.

A fourth aspect of the invention is the second invention, wherein the plurality of ridges are at least three ridges, and the medium is conveyed to each of the three ridges in the opposite direction to the roll. It is characterized by that. In this way, since the medium is hung around at least three ridges, the inclination changed by each ridge can be reduced.

A fifth aspect of the present invention is, in the first to fourth aspects, the housing includes a floor that supports the roll, and the floor is a slope inclined in a direction from the second layer to the first layer. The slope is provided between the roll and the ridge in the transport direction of the medium. By doing so, when the medium is hung around the ridge and the transport direction is tilted, the slope is provided, so that interference with the floor surface supporting the roll is reduced. To.

A sixth aspect of the present invention is the fifth aspect of the present invention, wherein the housing includes a guide wall provided around the roll, and the guide wall is directed from the upstream side of the slope toward the slope in the transport direction. , The roll is gradually separated from the roll. In this way, when the medium is pulled out from the roll and conveyed, the guide wall can guide the medium toward the slope.

A seventh invention is a conical shape or a conical shape provided in the upstream of the ridge in the transport direction of the medium and having a large diameter from the second layer to the first layer in the first to sixth inventions. It is characterized by further including protrusions having a truncated cone shape. In this way, the medium drawn out from the roll is hung around the protrusions before being hung around the ridges, and the conical shape or truncated cone shape of the protrusions gently causes the medium. The transport direction of the medium can be changed.

Further, the eighth invention is a roll having a first layer and a second layer, having a head space in the first layer, and a roll provided in the second layer and formed by winding a medium. The first ridge and the second ridge provided in the second layer are provided, and the first ridge is located upstream of the second ridge in the transport direction of the medium. The first ridge and the second ridge extend in the extending direction from the first layer to the second layer, and the tip of the first ridge in the extending direction is the said of the second ridge. The cassette is characterized in that it is separated from the first layer in the extension direction rather than the tip in the extension direction. In this way, the medium is located upstream of the second ridge and the second ridge in the transport direction of the medium, and its tip is farther from the first layer than the second ridge. The transport direction is changed from the second layer to the first layer by the extending first ridge.

In the ninth invention, in the eighth invention, the first ridge is longer than the second ridge in the extension direction, and the base end of the first ridge in the extension direction and the second. The base end of the two ridges in the extending direction is characterized in that they are located at the same position in the extending direction. In this way, two types of ridges having different tip positions can be provided from the same position in the extending direction of the base ends of the ridges.

Further, the tenth invention is a roll having a first layer and a second layer, having a head space in the first layer, and a roll provided in the second layer and formed by winding a medium. And a step provided in the second layer, and the step intersects the extension portion extending from the second layer toward the first layer and the roll. It is a cassette characterized by including a protruding portion protruding in a direction away from the above. By doing so, the medium can be hung around the step having the protruding portion and the extending portion, so that the transport direction of the medium can be changed from the second layer to the first layer. ..

It is a perspective view which shows the upper surface side of the cassette of one Embodiment of this invention. It is a perspective view which shows the lower surface side of the cassette of FIG. FIG. 5 is a perspective view showing the configuration and internal configuration of the cassette case of FIG. 1 by separating the first case member, the second case member, the third case member, and the fourth case member constituting the case. It is a front view which shows the upper surface side of the 1st case member of FIG. It is a perspective view which shows the lower surface side of the 1st case member of FIG. It is a front view which shows the upper surface side of the 2nd case member of FIG. 1 together with a printing tape roll. It is a perspective view which shows the cassette of FIG. 1 by removing the 1st case member. It is a figure explaining the slope in FIG. 6, and is VIII-VIII sectional view in FIG. 6 is a cross-sectional view taken along the line IX-IX of FIG. 6 showing a state in which the printing tape is stretched from the inside of the tape case into the ribbon case. It is a perspective view which shows the lower surface side of the 2nd case member of FIG. It is a perspective view which shows the upper surface side of the 3rd case member of FIG. It is a perspective view which shows the lower surface side of the 3rd case member of FIG. It is a perspective view which shows the upper surface side of the 4th case member of FIG. It is a bottom view which shows the lower surface side of the 4th case member of FIG. It is a figure explaining the shape of the guide rib in the cassette of FIG. It is a figure explaining the contact mode between the guide rib of FIG. 15A and the printing tape. Using the figure showing the lower surface of the third case member of FIG. 1, the path of the printing tape drawn from the printing tape roll, the path of the bonding tape drawn from the bonding tape roll, and the path of the ink ribbon drawn from the ink ribbon. It is a figure which shows respectively. It is a figure explaining the laminated body of the printing tape and the bonding tape sent out from the cassette of FIG. It is a plan view of the cassette of FIG. 1, and is the figure which shows the relative position of the printing tape roll, the bonding tape roll, the ink ribbon, and the take-up spool. FIG. 6 is a sectional view taken along line XX-XX of FIG. It is a figure explaining the cassette mounting part of the printing apparatus to which the cassette of FIG. 1 is mounted. It is a figure explaining another embodiment of the cassette of this invention, and is the front view of the 2nd case member. It is a figure corresponding to FIG. It is a figure explaining another embodiment of the cassette of this invention, and is the perspective view of the cassette which removed the 1st case member. It is a figure corresponding to FIG. 7. It is a figure explaining another embodiment of the cassette of this invention, and is the perspective view of the 2nd case member. It is a figure explaining another embodiment of the cassette of this invention, and is the top view of the pair of guide protrusions. It is a figure explaining the contact mode between the guide projection of FIGS. 22 and 23 and a printing tape. It is a figure explaining still another embodiment of the cassette of this invention, and is the perspective view of the 2nd case member. It is a figure explaining still another embodiment of the cassette of this invention, and is the top view of the protrusion member. It is a figure explaining the contact mode between the protrusion member of FIGS. 27, 28 and a printing tape. It is a figure explaining another aspect of the slope in the cassette of this invention. It is a figure explaining another embodiment of the step of this invention, and is the figure corresponding to FIG. 27. It is a figure explaining another embodiment of the step of this invention, and is the figure corresponding to FIG. 28.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

[Embodiment 1]
FIG. 1 is a perspective view showing a cassette 10 according to an embodiment of the present invention from the front side, that is, from the top surface. In the description of the present embodiment, the upper side of FIG. 1 is the front side of the cassette 10, the lower side is the rear side of the cassette 10, the right side is the left side of the cassette 10, the left side is the right side of the cassette 10, and the upper left side is the cassette 10. The upper side is the upper side, and the lower right side is the lower side of the cassette 10. As shown in FIG. 1, the cassette 10 includes a first case, that is, a tape case 20, and a second case, that is, a ribbon case 21. The tape case 20 is composed of a first case member 12 and a second case member 14. The ribbon case 21 is composed of a third case member 16 and a fourth case member 18.

FIG. 2 is a perspective view showing the cassette 10 from the back surface side, that is, the bottom surface. As shown in FIG. 2, the ribbon case 21 is located on one side in the vertical direction with respect to the tape case 20. In the present embodiment, the ribbon case 21 is located on the lower side, which is one side in the vertical direction with respect to the tape case 20. The cassette 10 has a rectangular parallelepiped shape as a whole. As shown in FIG. 2, the cassette 10 includes a take-up spool support hole 94, a concave groove 11, and a roller exposed hole 98. The take-up spool support hole 94 is provided on the lower surface 19 of the fourth case member 18 of the cassette 10. The take-up spool support hole 94 penetrates the lower surface 19 of the fourth case member 18 in the vertical direction. The take-up spool support hole 94 exposes the lower end of the take-up spool 76. Specifically, the connecting hole 96 formed on the end surface of the take-up spool 76 is exposed to the lower surface 19 of the fourth case member 18 through the take-up spool support hole 94 as shown in FIG. When the cassette 10 is mounted on the printing device 102 shown in FIG. 21, the take-up spool drive shaft 108 of the printing device 102 is inserted into the connecting hole 96 and connected to the take-up spool 76, and the take-up spool 76 is taken up. It is rotationally driven by the spool drive shaft 108. As shown in FIG. 2, the concave groove 11 is formed on the front surface of the third case member 16 and the fourth case member 18, that is, the front surface of the ribbon case 21. When the cassette 10 is mounted on the cassette mounting portion 104 of the printing device 102, the printing head 106 provided in the cassette mounting portion 104 is inserted into the recessed groove 11. The concave groove 11 corresponds to the head space of the present application. The roller exposed hole 98 is provided in the fourth case member 18 at a position corresponding to the roller support hole 82 formed in the third case member 16. The roller exposed hole 98 exposes the shaft end of the roller 80. Specifically, the connecting portion 80a formed at the end of the roller 80 on the side of the fourth case member 18 is exposed to the lower surface of the fourth case member 18 through the roller exposed hole 98 as shown in FIG. The structure of the cassette 10 including the tape case 20 and the ribbon case 21 corresponds to the housing of the present invention. The flat plate portion 19 of the fourth case member 18 corresponds to the bottom wall of the present invention.

FIG. 3 is a perspective view illustrating the internal configuration of the cassette 10 by separating the first case member 12, the second case member 14, the third case member 16, and the fourth case member 18 of the cassette 10. The tape case 20 includes a printing tape roll 26 in the first space S1 formed inside. The ribbon case 21 includes an ink ribbon roll 72, a bonding tape roll 64 take-up spool 76, a roller 80, and a sticking prevention roller 91 in the second space S2 formed inside. The first space S1 is formed so as to straddle the first case member 12 and the second case member 14. In the first space S1, the printing tape roll 26 is rotatably housed around the first rotation center line C1 which is parallel in the vertical direction. The first rotation center line C1 is not only the rotation center of the printing probe 26 but also the rotation center of the printing tape spool 24. The printing tape roll 26 is configured by winding the printing tape 22 around a printing tape spool 24 which is a cylindrical shaft core material. Spacer films 38 are provided above and below the printing tape roll 26, respectively. The spacer film 38 is circular and has an outer diameter substantially the same as the outer diameter of the printing tape roll 26. The first case member 12 and the second case member 14 have a rectangular shape. The first rotation center line C1 is located on the first case member 12 and the second case member 14 substantially to the right of the center in the left-right direction and near the center in the front-rear direction. As shown in FIG. 18, for example, the printing tape 22 is configured by laminating the release tape 22c on the surface of the tape to be printed 22a opposite to the printing surface via the adhesive 22b. The printing tape 22 shown in FIG. 3 is a printing medium printed by the printing head 106. The printing tape 22 corresponds to the medium of the present invention, and the printing tape roll 26 corresponds to the roll. The first space S1 corresponds to the second layer of the present invention, and the second space S2 corresponds to the first layer of the present invention. Further, the vertical direction shown in FIG. 1, that is, the vertical direction of the cassette 10, corresponds to the direction from the second layer to the first layer of the present invention.

The ink ribbon roll 72 is configured by winding a strip-shaped ink ribbon 68 around a supply spool 70. The supply spool 70 and the ink ribbon roll 72 are rotatable around a third rotation center line C3 parallel to the first rotation center line C1. The ink ribbon 68 is used for printing on the printing tape 22. The ink ribbon 68 used for printing is wound around the take-up spool 76. The take-up spool 76 is rotatable around the fourth rotation center line C4 parallel to the first rotation center line C1. As shown in FIG. 3, a clutch spring holder 90 accommodating a clutch spring is fitted to the other end of the supply spool 70. The ink ribbon roll 72 is provided with an appropriate rotational resistance by the clutch spring in the clutch spring holder 90. The roller 80 presses the printing tape 22 and the bonding tape 60 between the rollers of the printing device 102 shown in FIG. 21 in order to crimp the printing surface of the printing tape 22 and the adhesive surface of the bonding tape 60. The roller 80 is rotatable around a fifth rotation center line C5 parallel to the first rotation center line C1. The bonding tape roll 64 is wound around the bonding spool 62 so that the width direction of the bonding tape 60 is in the vertical direction. That is, the radial direction of the bonded tape roll 64 is a direction perpendicular to the vertical direction including the front-rear direction and the left-right direction. In other words, the orthogonal direction orthogonal to the radial direction is the vertical direction. The bonding spool 62 and the bonding tape roll 64 can rotate around the second rotation center line C2 parallel to the first rotation center line C1. As shown in FIG. 18, the bonding tape 60 is made of, for example, a transparent film 60a in which an adhesive 60b is applied to one surface in contact with the printing surface in order to protect the printing surface of the printing tape 22. The bonding tape 60 is a strip-shaped tape that is bonded to the printed printing tape 22. As shown in FIG. 3, the sticking prevention roller 91 prevents the sticking tape 60 from sticking. A plurality of lockings provided between the outer peripheral walls of the first case member 12, the second case member 14, the third case member 16 and the fourth case member 18 in a state of being overlapped with each other in the vertical direction. They are fixed to each other by engaging the claw 27 and the fixing claw 28 and positioning by the positioning protrusion 29. In the present embodiment, the upper surface of each case member 12 to 18 is referred to as an upper surface or a front surface, and the lower surface is referred to as a lower surface or a back surface.

FIG. 4 is a front view showing the upper surface side of the first case member 12. As shown in FIG. 4, the first case member 12 has a substantially rectangular shape in the front view, and has a length in the vertical direction of the cassette 10 as shown in FIGS. 1 and 2. That is, the first case member 12 has a bottomed tubular shape. The first case member 12 forms the first space S1, in other words, the tape case 20, together with the second case member 14 described later.

FIG. 5 is a perspective view showing the lower surface side of the first case member 12. As shown in FIG. 5, a cylindrical first support projection 30 and a first circumferential wall 34 are provided on the lower surface side of the first case member 12. The first support protrusion 30 is inserted into the printing tape spool 24 shown in FIG. 6 and rotatably supports the printing tape roll 26. The first circumferential wall 34 has an inner diameter larger than the outer diameter of the printing tape roll 26 shown in FIG. 7. The first support projection 30 and the first circumferential wall 34 shown in FIG. 5 are projected downward from the lower surface side of the first case member 12 in a state of having the same center line as the first rotation center line C1. As shown in FIG. 5, the first case member 12 includes an outer peripheral wall 44 having a long side portion 44a and a short side portion 44b. A printing tape gate 40 formed by cutting out a part of the first circumferential wall 34 is formed on the lower surface side of the first case member 12. The printing tape gate 40 is an outlet of the printing tape 22 for pulling out the printing tape 22 from the printing tape roll 26 from a fixed position.

FIG. 6 is a front view showing the upper surface side of the second case member 14. In FIGS. 6 and 7, the printing tape 22 drawn from the printing tape roll 26 is indicated by a dotted line. FIG. 7 is a perspective view showing the upper surface side of the second case member 14. FIG. 7 shows the cassette 10 from which the first case member 12 has been removed. As shown in FIGS. 6 and 7, a cylindrical second support protrusion 32 and a second circumferential wall 36 are provided on the upper surface side of the second case member 14. The second support protrusion 32 is inserted into the cylindrical printing tape spool 24 and rotatably supports the printing tape roll 26. The second circumferential wall 36 has an inner diameter larger than the outer diameter of the printing tape roll 26. The second support protrusion 32 and the second circumferential wall 36 project upward from the upper surface side of the second case member 14 in a state of having the same center line as the first rotation center line C1. The printing tape roll 26 is arranged between the first case member 12 and the second case member 14.

As shown in FIG. 6, a printing tape gate 42 formed by cutting out a part of the second circumferential wall 36 is formed on the upper surface side of the second case member 14. Similar to the printing tape gate 40 shown in FIG. 5, the printing tape gate 42 is an outlet of the printing tape 22 for pulling out the printing tape 22 from the printing tape roll 26 from a fixed position. As shown in FIGS. 6 and 7, a guide wall 50 extending from the left end to the left side of the printing tape gate 42 is formed on the upper surface side of the second case member 14. The guide wall 50 guides the printing tape 22 drawn from the printing tape roll 26 in a certain direction. As shown in FIG. 6, the guide wall 50 bends to the long side portion 46b side, that is, backward before reaching the short side portion 46a of the outer peripheral wall 46, and extends along the second circumferential wall 36 to form the long side portion. It is connected to 46b.

As shown in FIG. 6, the bottom plate 14a of the second case member 14 has a substantially L-shaped through hole in the front view extending in the front-rear direction and the left-right direction along the guide wall 50 and the long side portion 46b of the outer peripheral wall 46. 52 is formed. The guide wall 50 is formed on the bottom plate 14a. The first guide 130 is formed in a portion of the second circumferential wall 36 facing the guide wall 50 and a portion facing the long side portion 46b. The first guide 130 includes a plurality of guide ribs 54. The plurality of guide ribs 54 guide the printing tape 22 unwound from the printing tape roll 26 and fed out through the printing tape gates 40 and 42 into the through holes 52. The first guide 130 is provided in the vicinity of the corner K1 corresponding to one of the four sides parallel to the vertical direction of the cassette 10.

The printing tape 22 unwound from the printing tape roll 26 shown in FIG. 7 is guided to S2 in the second space between the third case member 16 and the fourth case member 18 through the through hole 52 shown in FIG. The printing tape 22 passes through a through hole 52 formed in the bottom plate 14a shown in FIG. 6 which functions as a plate material for partitioning the first space S1 and the second space S2, and as shown in FIG. 9, the tape case 20 and the ribbon case It is bridged to 21.

Further, as shown in FIGS. 6 and 7, the bottom plate 14a has a slope 43 whose height gradually decreases from a position corresponding to the tape gate 42 toward the through hole 52.

FIG. 8 is a diagram illustrating the slope 43. FIG. 8 is a cross-sectional view taken along the line VIII-VIII in FIG. The bottom plate 14a that supports the printing tape roll 26 becomes a slope 43 from the vicinity of the tape gate 42, is inclined from the tape case 20 toward the ribbon case 21, and is continuous with the through hole 52. In other words, the slope 43 has a chamfered portion where the bottom plate 14a and the side surface forming the through hole 52 are joined. The shape of the slope 43, specifically, the width and the degree of inclination are designed so that the printing tape 22 whose transport direction is changed by being hung on the guide rib 54 does not interfere with the bottom plate 14a.

Further, FIG. 9 is a sectional view taken along line IX-IX of FIG. 6 showing a state in which the printing tape 22 is stretched from the inside of the tape case 20 into the ribbon case 21. As shown in FIG. 9, the printing tape 22 is obliquely laid from the inside of the tape case 20 into the ribbon case 21 through the through hole 52 shown in FIG. More specifically, as shown in FIG. 17 described later, the printing tape 22 extends to the concave groove 11 of the ribbon case 21.

FIG. 10 is a perspective view showing the lower surface side of the second case member 14. As shown in FIG. 10, corresponding to the guide ribs 54 shown in FIGS. 6 and 7, ribs 55 continuous from the guide ribs 54 are provided on the opposite side, that is, on the lower side of the guide ribs 54 via the bottom plate 14a. It is provided. A pair of guide walls 56 are erected in the vertical direction on the back surface of the bottom plate 14a of the second case member 14. Further, a through hole 52 is opened between the pair of guide walls 56.

FIG. 11 is a perspective view showing the upper (positive) surface side of the third case member 16. A through hole 58, a bonding tape roll support hole 66, an ink ribbon support hole 74, a take-up spool support hole 78, and a roller support hole 82 are formed in the ceiling plate 16a of the third case member 16. ing. The through hole 58 is formed at a position corresponding to the through hole 52 of the second case member 14. That is, a part of the through hole 52 and a part of the through hole 58 overlap each other in the vertical direction. The through hole 58 passes the printing tape 22 drawn from the printing tape roll 26 through the second space S2 shown in FIG. One end of the supply spool 70 is fitted into the ink ribbon support hole 74. The ink ribbon support hole 74 rotatably supports the ink ribbon roll 72 around the third rotation center line C3. The third rotation center line C3 is not only the rotation center of the ink ribbon roll 72 but also the rotation center of the supply spool 70. The bottom plate 14a of the second case member 14 shown in FIG. 10 and the ceiling plate 16a of the third case member 16 shown in FIG. 11 are the first space S1 in the tape case 20 and the second space in the ribbon case 21 shown in FIG. It corresponds to the plate body that separates S2.

FIG. 12 is a perspective portion showing the lower (back) surface side of the third case member 16. One end of the bonding spool 62 is fitted into the bonding tape roll support hole 66. The bonding tape roll support hole 66 rotatably supports the bonding tape roll 64 around the second rotation center line C2. The second rotation center line C2 is not only the rotation center of the bonding tape roll 64 but also the rotation center of the bonding tape spool 62. One end of the take-up spool 76 is fitted into the take-up spool support hole 78. The take-up spool support hole 78 rotatably supports the take-up spool 76 around the fourth rotation center line C4. The fourth rotation center line C4 is the rotation center of the take-up spool 76. One end of the roller 80 is fitted into the roller support hole 82. The roller support hole 82 rotatably supports the roller 80 around the fifth rotation center line C5.

As shown in FIG. 12, a bonding tape roll holding wall 84, an ink ribbon roll holding wall 86, a cylindrical protrusion 88, and an arc-shaped wall 92 are formed on the lower surface of the third case member 16. There is. The bonding tape roll holding wall 84 and the arc-shaped wall 92 are each formed in an arc shape centering on the bonding tape roll support hole 66 around the bonding tape roll support hole 66. The laminating tape roll holding wall 84 and the arcuate wall 92 each define the placement position of the laminating tape roll 64. The ink ribbon roll holding wall 86 is formed around the take-up spool support hole 78 in an arc shape centered on the take-up spool support hole 78. The ink ribbon roll holding wall 86 defines the arrangement position of the take-up spool 76. The cylindrical protrusion 88 projects downward from the periphery of the ink ribbon support hole 74, and has irregularities arranged on the tip surface in the circumferential direction. Further, on the lower surface of the third case member 16, a support protrusion 93 that rotatably supports the upper end portion of the sticking prevention roller 91 is provided.

As shown in FIG. 12, a guide plate 57 extending downward from the ceiling plate 16a is provided. The guide plate 57 is continuous with the guide plate 56 of the second case member 14 shown in FIG. 10 on the upper surface side of the third case member 16 in a state where the third case member 16 and the second case member 14 are combined. It is provided at such a position. Further, in the guide plate 57 shown in FIG. 12, in a state where the third case member 16 and the fourth case member 18 are combined, the lower end portion of the guide plate 57 is on the lower surface side of the third case member 16. , Is provided so as to be in contact with the upper side (inner side surface of the housing) of the fourth case member 18 shown in FIG.

A second guide 132 is provided at a corner K2 located at the lower right of FIG. 12 showing the third case member 16 and at the rear right of the housing 11. The second guide 132 is composed of a plurality of guide ribs 154, similarly to the first guide 130 described above. Here, the corner K2 is a corner adjacent to the corner K1 where the first guide 130 is provided via the long side 46b and the long side 59b, which are the left-right sides of the housing 11. When the individual guide ribs 154 are not distinguished below, they are simply referred to as guide ribs 154.

FIG. 12 is a perspective view showing the upper (positive) surface side of the fourth case member 18, and FIG. 14 is a lower (back) side view showing the lower (back) surface side of the fourth case member 18. As shown in FIGS. 12 and 14, the fourth case member 18 includes a take-up spool support hole 94, a support protrusion 97, a support protrusion 95, and a roller exposed hole 98. The take-up spool support hole 94 is formed so as to penetrate the fourth case member 18 in the vertical direction. The other end of the take-up spool 76 is fitted into the take-up spool support hole 94. The take-up spool support hole 94 rotatably supports the take-up spool 76. Further, the other end of the supply spool 70 is fitted into the support protrusion 97. The support protrusion 97 rotatably supports the supply spool 70. Further, as shown in FIG. 13, the support protrusion 95 is provided on the upper surface of the fourth case member 18. The support protrusion 95 supports the lower end of the sticking roller 91 so as to be connectable. The roller exposed hole 98 supports the roller 80 at the shaft end of the roller 80 and rotatably supports the roller 80.

As shown in FIGS. 6 and 7, the guide rib 54 has a flat plate shape and protrudes from the second circumferential wall 36. Further, the plurality of guide ribs 54 are projected so that the plurality of guide ribs 54 are separated from each other as the respective guide ribs 54 are projected.

FIG. 15 (a) is a view showing one plan view of the guide rib 54, and is a partial cross-sectional view seen in the XV-XV direction of FIG. As shown in FIG. 15A, the guide rib 54 is formed in a flat plate shape, and the printing tape roll 26, in other words, the printing tape roll 26, is attached from the second circumferential wall 36 of the second case member 14. It is provided so as to project away from the second support protrusion 32. That is, each of the guide ribs 54 is provided radially outside the outer edge of the printing tape roll 26 with respect to the rotation center C1 of the printing tape roll 26. Further, the guide rib 54 has an extending portion 54e extending from the second circumferential wall 36 in a direction parallel to the floor plate 14a, and a lower side in the vertical direction of the cassette 10, that is, a direction from the tape case 20 to the ribbon case 22, FIG. It is configured to include an inclined portion 54i in which the amount of protrusion P1 from the second circumferential wall 36 increases toward the lower side in the above. The protrusion amount P1 is set to a size that does not block the through hole 52 provided between the bottom plate 14a and the guide wall 50 at the end of the guide rib 54 on the bottom plate 14a side. A part of the plurality of guide ribs 54 may be provided in a region where the bottom plate 14a is not provided with the through hole 52.

Further, each of the guide ribs 54 is continuously formed on the second peripheral wall 36 of the second case member 14 and the bottom plate 14a of the second case member 14, which are the guide ribs 54 and the first guide ribs 54. The two circumferential wall 36 and / or the bottom plate 14a may be integrally molded, or may be adhered with an adhesive, a solvent, or the like.

The inclined portion 54i of the guide rib 54 has a side 54j inclined with respect to the vertical direction of the cassette 10 in the cross-sectional view as shown in FIG. 15A. Further, it has a side 54k parallel to the floor plate 14a. The intersection angle θc formed by the side 54j and the side 54k (a line extending each of them) is an acute angle.

FIG. 15B is a diagram for explaining the magnitude relationship of the intersection angles θc of a plurality of (three in the figure) adjacent guide ribs 54, and shows the plurality of adjacent guide ribs 54 in a contrastable manner. Is. As illustrated in FIG. 15B, when the guide ribs 54a, 54b, 54c are provided in order from the back of the figure, the relationship between the intersection angles of θca, θcc, and θcc is θca> θc.
b> θcc. The smaller the crossing angle θc of the guide rib 54, the larger the inclination of the printing tape 22 due to the guide rib 54, and the traveling direction (conveying direction) of the printing tape 22 is changed. Therefore, the printing tape 22 is shown in FIG. 15 (b). ) From the back to the front, that is, when the guide ribs 54a, 54b, and 54c are hung in this order, the transport direction of the printing tape 22 can be gradually changed.

As shown in FIGS. 6 and 7, the printing tape 22 is conveyed on the side of the guide rib 54 where the inclined surface 54i is provided, that is, on the side opposite to the side of the second circumferential wall 36 on which the printing tape roll 26 is arranged. Has been done.

The shape of the guide rib 54 is not limited to that of FIG. 15A described above. For example, as shown in FIG. 15C, the inclined portion 54i bulges upward in the drawing with respect to the extending portion 54e. It may be something to put out. Further, it is not necessary that the entire guide rib 54 is continuous with the floor plate 14a in the extending direction, that is, in the direction away from the roll, and a part thereof is continuous with the floor plate 14a, for example, as shown in FIG. 15 (d). It may be the mode.

The length of the inclined side 54j of the guide rib 54 may be the same as or longer than the width of the printing tape 22. Alternatively, the length of the side 54j may be shorter than the width of the printing tape 22 at the guide rib 54 or the like at a position where a part of the printing tape 22 in the width direction enters the through hole 52. The point is that the printing tape 22 does not need to come into contact with the side 54j in the width direction. For example, only a part of the printing tape 22 in the width direction comes into contact with the side 54j, or the second circumferential wall 36 and the side 54j. It may be in contact with different parts of the printing tape 22. Alternatively, a portion of the guide wall 50 of the case member 14 that opposes the second circumferential wall 36 and a portion 54j that is different in the width direction of the printing tape 22 may be in contact with each other.

FIG. 16 is a diagram showing a cross-sectional view taken along the XVI-XVI visual cross section in FIG. 6 together with the printing tape 22. FIG. 16 is a diagram illustrating how one of the guide ribs 54 constituting the first guide 130 and the printing tape 22 hung around the first guide 130 are in contact with each other. In FIG. 16, the shape of the guide rib 54 is as shown in FIG. 15 (a).

FIG. 16A shows a mode in which the printing tape 22 contacts only the lowermost portion of the inclined surface 54j of the guide rib 54. Further, FIG. 16B shows a mode in which the printing tape 22 contacts only the uppermost portion of the inclined surface 54j. FIG. 16C shows a mode in which the printing tape 22 comes into surface contact with the inclined surface 54j. As shown in FIGS. 16A and 16B, the printing tape 22 is in contact with the inclined surface 54j only in a very short section thereof, whereas the surface contact in FIG. 16C is FIG. A mode in which the printing tape 22 comes into contact with the inclined surface 54j in a relatively large section as compared with the cases of (a) and (b). That is, the surface contact in the present embodiment includes not only the case where the printing tape 22 is in contact with the inclined surface 54j over the entire width direction, but also the case where a part of the printing tape 22 in the width direction is continuously in contact with the inclined surface 54j. Including.

In FIG. 16D, the printing tape 22 is in contact with the lowermost portion of the inclined surface 54j and is also in contact with the guide wall 50 facing the guide rib 54 via the through hole 52. In FIG. 16E, the printing tape 22 is in contact with the uppermost portion of the inclined surface 54j and is also in contact with the guide wall 50 facing the inclined surface 54j via the through hole 52. In FIG. 16F, the printing tape 22 is in surface contact with the inclined surface 54j and is also in contact with the guide wall 50 facing the guide rib 54 via the through hole 52.

In FIG. 16 (g), the printing tape 22 is in contact with the second circumferential wall 36 located above the inclined surface 54j in the vertical direction without being in contact with the inclined surface 54j. Further, in FIG. 16H, the printing tape 22 does not contact the inclined surface 54j, but is in contact with the second circumferential wall 36 and the guide wall 50.

FIG. 16I shows a mode in which the printing tape 22 is in contact with a part of the inclined surface 54i and also in contact with the second circumferential wall 36 located above the inclined surface 54i in the vertical direction of the case 10. .. In FIG. 16I, the printing tape 22 is in contact with the lowermost portion of the inclined surface 54j, but if it is in contact with the printing tape 22 at any one of the inclined surfaces 54j even if it is not at the lowermost portion. , Is included in the aspect of FIG. 16 (i). In FIG. 16J, the printing tape 22 is in contact with the lowermost portion of the inclined surface 54j, and is also in contact with the second circumferential wall 36 and the guide wall 50.

In FIG. 16 (k), the printing tape 22 does not come into contact with the inclined surface 54j of the guide rib 54. However, the printing tape 22 is in contact with the lower portion 54m of the guide rib 54, which is located below the inclined surface 54j in the vertical direction of the cassette 10. Since the protrusion amount P1 does not increase in the vertical direction of the guide rib 54 in the lower portion 54m, the printing tape 22 in contact with the lower portion 54m has a cross section perpendicular to the transport direction shown in FIG. 16 (k). Appears as a vertical line segment. This means that the cross section of the printing tape 22 in the width direction is conveyed so as to be parallel to the vertical direction of the cassette 10.

When the printing tape 22 is hung around the first guide 130, the printing tape 22 comes into contact with at least a part of the inclined surface 54j by taking the mode shown in FIGS. 16A to 16F or (i). As a result, the lower side of the printing tape 22 in the width direction is bulged out of the cassette 10 in the transport direction. Therefore, the transport direction of the printing tape 22 is relatively changed to the lower side of the cassette 10.

Further, as shown in FIGS. 16 (g) and 16 (h), the printing tape 22 and the inclined surface 54j may not be in contact with each other. A plurality of guide ribs 54 are provided in the first guide 130, and even if at least one of the guide ribs 54 takes the aspects shown in FIGS. 16 (g) and 16 (h), the other guide ribs 54 are provided. By taking the aspect of FIGS. 16 (a) to 16 (f) or (i) described above in 54, the transport direction of the printing tape 22 can be relatively changed to the lower side of the cassette 10.

Further, in the embodiment of FIGS. 16 (d), (e), (f), (h) or (j), the printing tape 22 is in contact with the guide surface 50 facing the guide rib 54. By doing so, when the lower side of the printing tape 22 in the width direction is bulged more than necessary, the printing tape 22 is prevented from being bulged excessively by coming into contact with the guide surface 50.

Further, in the embodiment shown in FIG. 16 (k), since the printing tape 22 is in contact with the lower portion 54m of the guide rib 54 having a surface parallel to the vertical direction of the cassette 10, the width direction cross section of the printing tape 22 is the cassette 10. It is conveyed so as to be parallel to the vertical direction of the printing tape 22, and the conveying direction of the printing tape 22 is not changed in the vertical direction.

Note that the modes shown in FIGS. 16A to 16K are examples of how the printing tape 22 and the guide rib 54 are in contact with each other, and other modes may be taken.

FIG. 17 is a diagram showing the lower surface of the third case member 16 when the cassette 10 is mounted on the cassette mounting portion 104 of the printing device 102. The printing tape 22 is pulled out from the printing tape roll 26 shown in FIG. The printing tape 22 is obliquely formed from the first space S1 in the tape case 20 shown in FIG. 3 to the second space S2 in the ribbon case 21 through the through hole 52 and the through hole 58 shown in FIG. 14 as shown in FIG. It is hung on. Therefore, in FIG. 14, the printing tape 22 is drawn from the through hole 58 behind the third case member 16. As shown in FIG. 14, the printing tape 22 and the bonding tape 60 are sandwiched between the roller 80 and the pressing roller 118 of the printing device 102, and are driven by the roller 80 to form the printing tape roll 26 and FIG. It is drawn out from the bonding tape roll 64 shown in 14. The ink ribbon 68 is pulled out from the ink ribbon roll 72 by driving the take-up spool 76, and is taken up by the take-up spool 76. The printing tape 22 is indicated by a two-dot chain line, the bonding tape 60 is indicated by a broken line, and the ink ribbon 68 is indicated by a one-dot chain line.

As shown in FIG. 17, at the printing place P between the printing head 106 and the platen roller 116, the printing tape 22 is pressed against the printing head 106 via the ink ribbon 68. In this state, a plurality of heat generating elements arranged on the surface of the print head 106 are selectively driven to generate heat locally. As a result, a part of the ink 68a provided on one surface of the ink ribbon 68 is transferred to the printing tape 22, and characters, symbols, and the like are printed on the printing tape 22. The used ink ribbon 68 that has passed through the printing place P is wound around the take-up spool 76. The transparent bonding tape 60 is pressed and adhered to the printing surface of the printing tape 22 that has passed through the printing place P by the roller 80 and the pressing roller 118 of the printing device 102. As a result, the printed surface of the printing tape 22 is protected by the bonding tape 60.

FIG. 18 schematically shows a laminate of the printing tape 22 and the bonding tape 60 sent out from the cassette 10. As described above, as shown in FIG. 18, the printing tape 22 is configured by laminating the release tape 22c on the surface of the tape to be printed 22a opposite to the printing surface via the adhesive 22b. It is a thing. Due to the narrow pressure between the roller 80 shown in FIG. 17 and the pressing roller 118 of the printing apparatus 102, the adhesive 60b is applied to one side of the printing tape 22 on the side to be printed 22a, that is, the side to be printed, as shown in FIG. The bonding tape 60 made of the transparent film 60a is attached. As a result, the ink 68a transferred to the printing surface of the printing tape 22 is protected.

FIG. 19 is a diagram showing the lower surface of the third case member 16. As shown in FIG. 2, the ribbon case 21 is arranged so as to be overlapped downward with respect to the tape case 20. In FIG. 19, when the printing tape roll 26 and the spacer film 38 housed in the tape case 20 are projected vertically on the projection surface spreading in the front-rear direction and the left-right direction in the second space S2, the printing tape roll 26 And the projection position of the spacer film 38 is shown by a one-point difference line in FIG. Since the spacer film 38 has substantially the same diameter as the printing tape roll 26 when not in use, only the alternate long and short dash line representing the printing tape roll 26 is shown in FIG. As shown in FIG. 19, the bonding tape roll 64, the ink ribbon roll 72, and the take-up spool 76 are arranged at positions where they overlap with the printing tape roll 26 in the vertical direction. At least a part of the bonding tape roll 64 and at least a part of the bonding spool 62 overlap the printing tape roll 26 in the vertical direction. More specifically, a part of the bonding tape roll 64 and a part of the bonding spool 62 overlap the printing tape spool 24 and the printing tape 22 wound around the printing tape spool 24 in the vertical direction, respectively.

As shown in FIG. 19, the diameter of the printing tape roll 26 is larger than the diameter of the bonding tape roll 64, the diameter of the bonding tape roll 64 is larger than the diameter of the ink ribbon roll 72, and the diameter of the ink ribbon roll 72. Is larger than the diameter of the take-up spool 76. The size (diameter dimension d) of the printing tape roll 26 in the front-rear direction and the left-right direction, that is, the diameter of the printing tape roll 26 is larger than half the size of the cassette 10 in each of the front-back direction and the left-right direction. In other words, the left-right dimension of the printing tape roll 26 is larger than half the left-right dimension L of the cassette 10, and the front-back dimension of the printing tape roll 26 is half the front-back dimension of the cassette 10. Is larger than the size of.

Further, the printing tape roll 26 is vertically connected to the second rotation center line C2 of the bonding tape roll 64, the third rotation center line C3 of the ink ribbon roll 72, and the fourth rotation center line C4 of the take-up spool 76, that is, the cassette. It overlaps in the vertical direction of 10. In other words, in the vertical projection surface of the printing tape roll 26, the second rotation center line C2 of the bonded tape roll 64, the third rotation center line C3 of the ink ribbon roll 72, and the take-up spool 76. The fourth rotation center line C4 is located. Further, a part of the bonding tape roll 64 and the bonding spool 62 overlap with the printing tape roll 26 and the spacer film 38 in the vertical direction. At least a part of the supply spool 70, at least a part of the ink ribbon roll 72, and at least a part of the take-up spool 76 overlap the printing tape roll 26 and the spacer film 38 in the vertical direction. That is, at least a part of each of the bonding tape roll 64, the bonding spool 62, the supply spool 70, and the ink ribbon roll 72 is located in the projection surface of the printing tape roll 26 and the spacer film 38 in the vertical direction. ..

Further, the distance between the second rotation center line C2 of the bonding tape roll 64 and the third rotation center line C3 of the ink ribbon roll 72 is the distance between the second rotation center line C2 of the bonding tape roll 64 and the take-up spool 76. Is larger than the distance between the fourth rotation center line C4 of the ink ribbon roll 72 and the third rotation center line C3 of the ink ribbon roll 72 and the fourth rotation center line C4 of the take-up spool 76. The distance between the second rotation center line C2 of the bonded tape roll 64 and the fourth rotation center line C4 of the take-up spool 76 is the third rotation center line C3 of the ink ribbon roll 72 and the fourth of the take-up spool 76. It is larger than between the rotation center line C4.

In FIG. 19, the first rotation center line C1 of the printing tape roll 26 connects between the second rotation center line C2 of the bonded tape roll 64 and the third rotation center line C3 of the ink ribbon roll 72, and is an intermediate point of a straight line. Located in the vicinity. The first rotation center line C1 overlaps the bonding tape roll 64 in the front-rear direction and the left-right direction. That is, the center of rotation of the printing tape roll 26 overlaps with the bonding tape roll 64 in the vertical direction. The fourth rotation center line C4 of the take-up spool 76 is located on the opposite side of the straight concave groove 11. The distance between the fourth rotation center line C4 and the first center line C1 is shorter than the distance between the third rotation center line C3 and the first center line C1, and the distance between the second rotation center line C2 and the first center line C1 It is shorter than the distance to the line C1.

Further, as shown in FIG. 19, in the front-rear direction and the left-right direction, the center position M which is the center of the cassette 10 in the front-rear direction and the center in the left-right direction and the first rotation center of the printing tape roll 26. The distance between the center line C1 and the center position M is smaller than the distance between the center position M and the second center line C2, which is the center of rotation of the bonded tape roll 64. Further, in the front-rear direction and the left-right direction, the distance between the center position M and the first rotation center line C1 of the printing tape roll 26 is between the center position M and the third rotation center line C3 of the ink ribbon roll 72. It is shorter than the distance between the center position M and the fourth rotation center line C4 of the take-up spool 76. That is, in the front-rear direction and the left-right direction, the first rotation center line C1 is arranged at a position closer to the center of the cassette 10 than any of the second rotation center lines C2 to the fourth rotation center line C4.

FIG. 20 is a sectional view taken along line XX-XX of FIG. In the vertical direction, the distance D between one side (lower side) end of the printing tape roll 26 in the vertical direction and the other side (upper side) end of the bonding tape roll 64 in the vertical direction is the bonding tape roll. It is smaller than the length in one direction of 64 (width dimension W1 of the bonding tape 60). Since the printing tape 22 and the bonding tape 60 have substantially the same width dimension, the distance D is smaller than the width dimension of the printing tape roll 26.

Then, in the front-rear direction orthogonal to the vertical direction and the left-right direction orthogonal to the vertical direction and the front-rear direction, from the center position M which is the center of the front-rear direction and the center of the left-right direction of the cassette, at the rotation center of the printing tape roll 26. The distance to a certain first rotation center line C1 is smaller than the distance from the center position M to the second rotation center line C2 which is the rotation center of the bonded tape roll 64. The diameter of the printing tape roll 26 is larger than that of the bonded tape roll 64. The size (area) of the convex envelope (line) H formed by tangentially connecting the outer peripheral circles of the supply spool 70 around which the printing tape roll 26, the take-up spool 76, and the ink ribbon 68 are wound is in the vertical direction. It is set to be larger than half the area of the tape case 20 and the ribbon case 21 in the plane including the front-rear direction and the left-right direction orthogonal to the tape case 20.

FIG. 21 is a diagram illustrating a cassette mounting portion 104 provided in a part of the printing device 102 on which the cassette 10 is mounted. FIG. 21 is a view seen from the upper surface side. The cassette mounting portion 104 is provided with a rectangular mounting hole 112 for positioning the fitted cassette 10, and a take-up spool drive shaft 108 and a roller drive shaft 110 erected on the bottom surface of the mounting hole 112. .. The mounting hole 112 functions as an accommodating portion for accommodating a part of the ribbon case 21, which is the lower case of the cassette 10. The take-up spool drive shaft 108 and the roller drive shaft 110 are rotationally driven in the same direction via a gear mechanism by a step motor (not shown). A head holding plate 114 to which a thermal print head (thermal print head) 106 is fixed is erected on the bottom surface of the mounting hole 112 of the cassette mounting portion 104, and the platen roller 116 and the pressing roller 118 rotate. A platen holding member 120 provided at the tip end portion is rotatably provided around the base end portion thereof. The head holding plate 114 is, for example, a metal plate made of aluminum, which also serves as a heat sink for the print head.

When the cassette 10 is mounted on the cassette mounting portion 104 of the printing apparatus 102, the take-up spool drive shaft 108 and the roller drive shaft 110 erected on the cassette mounting portion 104 are of the take-up spool 76 and the roller 80, respectively. It is connected to the connecting portion 80a. Next, when a cover (not shown) of the printing apparatus 102 is closed with the cassette 10 mounted on the cassette mounting portion 104, the platen holding member 120 is rotated around its base end portion, and the platen roller 116 and the pressing roller are rotated. The 118 is pressed against the print head 106 and the roller 80 of the cassette 10. The printing device 102 and the cassette 10 constitute a printing system 122.

According to the above-described embodiment, the ribbon case 21 and the tape case 20 are provided in the housing constituting the cassette 10, the ribbon case 21 is provided with the concave groove 11, and the printing tape 22 is wound around the tape case 20. The printed tape roll 26 and the guide rib 54 are provided by being rotated, and the guide rib 54 is inclined so as to increase the distance from the printing tape roll 26 from the tape case 20 toward the ribbon case 21. Therefore, the printing tape 22 drawn out from the printing tape roll 26 is hung around the inclined portion 54i of the guide rib 54, so that the printing tape 22 can be tilted along the inclined portion 54i, and the printing tape 22 can be tilted. The transport direction can be tilted toward the ribbon case 21.

Further, according to the above-described embodiment, the cassette 10 includes a second circumferential wall 36 for accommodating the printing tape roll 26, and a plurality of guide ribs 54 are provided so as to project from the second circumferential wall 36, and a plurality of guides are provided. The ribs 54 are provided so as to protrude from the second circumferential wall 36 so as to be separated from each other. Therefore, when the printing tape 22 is hung around the plurality of guide ribs 54, the force received from the printing tape 22 can be distributed and handled by the plurality of guide ribs 54. Therefore, the strength of each of the plurality of guide ribs 54 can be made relatively low as compared with the case where one guide rib 54 is provided.

Further, according to the above-described embodiment, the cassette 10 includes a fourth case member 18 as a bottom wall 19, and the plurality of guide ribs 54 include an extension portion 54e extending in a direction parallel to the fourth case member 18. The intersection angle θc formed by the inclined portion 54i and the extending portion 54e of each of the plurality of guide ribs 54 is an acute angle, and the magnitude of the intersection angle θc is stepwise from upstream to downstream in the transport direction of the printing tape 22. As the intersection angle θc of the plurality of guide ribs 54 is gradually increased or decreased, the inclination of the printing tape 22 hung on the plurality of guide ribs 54 is changed. Can be done.

Further, according to the above-described embodiment, the plurality of guide ribs 54 are at least three ridges, and the printing tape 22 is conveyed to each of the three ridges in the opposite direction to the printing tape roll 26. , The inclination changed by each ridge can be reduced.

Further, according to the above-described embodiment, the cassette 10 includes a bottom plate 14a that supports the printing tape roll 26, and the bottom plate 14a includes a slope 43 that is inclined in the direction from the tape case 20 to the ribbon case 21, and the slope 43. Is provided between the printing tape roll 26 and the guide rib 54 in the transport direction of the printing tape 22, so that when the printing tape 22 is hung around the guide rib 54 and the transport direction is tilted, the slope 43 Is provided, so that interference with the floor plate 14a supporting the printing tape roll 26 is reduced.

Further, according to the above-described embodiment, the cassette 10 includes a second circumferential wall 36 as a guide wall provided around the printing tape roll 26, and the second circumferential wall 36 is provided in the transport direction of the printing tape 22. Since the printing tape roll 26 is gradually separated from the upstream side of the slope 43 toward the slope 43, the second circumferential wall 36 guides the printing tape 22 drawn out from the printing tape roll 26 and conveyed toward the slope 43. be able to.

Subsequently, another embodiment of the present invention will be described. In the following description, parts that are common to the embodiments are designated by the same reference numerals and description thereof will be omitted.
[Embodiment 2]

22 and 23 are views for explaining the second case member 14 constituting the cassette 10 according to another embodiment of the present application, and correspond to FIGS. 6 and 7 of the above-described embodiment, respectively.

As shown in FIGS. 22 and 23, the present embodiment is different from the above-described embodiment in that the protrusion 140 is provided on the second case member 14. That is, the protrusion 140 is provided on the second case member 14, in other words, the tape case 20, like the guide rib 54. The protrusion 140 projects from the bottom plate 14a to the upper side of the cassette 10. The protrusion 140 has a cone shape, that is, a conical shape or a truncated cone shape. That is, the protrusion 140 has a larger diameter in the vertical direction of the cassette 10 from the tape case 20 toward the ribbon case 21. The protrusion 140 is provided on the upstream side of the guide rib 54, that is, on the printing tape roll 26 side of the guide rib 54 in the transport path of the printing tape 22.

According to the second embodiment, the cassette 10 is provided upstream of the guide rib 54 in the transport direction of the printing tape 22, and has a conical shape or a truncated cone having a large diameter from the tape case 20 to the front of the ribbon case 21. A protrusion 140 having a shape is further provided. As a result, the printing tape 22 drawn out from the printing tape roll 26 is hung around the protrusion 140 before being hung around the guide rib 54, and the conical shape or truncated cone shape of the protrusion 140 makes the printing tape 22 gentle. The transport direction of the can be changed.
[Embodiment 3]

24 and 25 are diagrams illustrating still another embodiment of the present invention. In this embodiment, a pair of guide protrusions 154a and 154b are provided instead of the guide ribs 54 provided in the shape of a plate in the above-described embodiment.

FIG. 24 is a perspective view of the second case member 14 in the present embodiment. As shown in FIG. 24, a pair of guide protrusions 154a and 154b are provided at the positions where the guide ribs 54 were provided in the above-described embodiment. That is, the pair of guide protrusions 154a and 154b are provided on the second case member 14, in other words, the tape case 20. FIG. 25 is a side view of the pair of guide protrusions 154a and 154 as viewed by XXV-XXV in FIG. 24, and is a view corresponding to FIG. 15A in the above-described embodiment.

As shown in FIGS. 24 and 25, the first guide protrusion 154a projects in a direction away from the printing tape roll on the surface of the second circumferential wall 36 opposite to the printing tape roll 26. Further, the first guide protrusion 154a extends from the lower end of the second circumferential wall 36, that is, the intersection of the second circumferential wall 36 and the bottom plate 14a, along the second circumferential wall 36 in the upward and downward upward direction of the cassette 10. .. Further, the second guide protrusion 154b extends from the end of the bottom plate 14a on the side of the through hole 52 in the upward and downward direction of the cassette 10. That is, the first guide protrusion 154a and the second guide protrusion 154b extend upward from the common bottom plate 14a, in other words, with the same position in the vertical direction of the cassette 10 as the base end. Further, the tip of the first guide protrusion 154a in the extending direction is located above the tip of the second guide protrusion 154b in the extending direction, that is, on the side away from the ribbon case 21. The first guide protrusion 154a and the second guide protrusion 154b correspond to the first protrusion and the second protrusion of the present invention, respectively.

As shown in FIG. 24, the cassette 10 of the present embodiment is provided with a plurality of pairs (5 pairs in FIG. 24) of the pair of guide protrusions 154a and 154b described above. Further, the first guide protrusions 154a and the second guide protrusions 154b constituting the pair of guide protrusions 154a and 154b are arranged on a straight line passing through the rotation center C1 of the printing tape roll 26, for example. At this time, the printing tape 22 is hung around the pair of guide protrusions 154a and 154b, so that the printing tape 22 is bulged outward in the width direction (ribbon case 21 side) of the printing tape 22. The transport direction of the is changed to the lower side. At this time, when viewed in the vertical direction of the cassette 10, the lower side of the printing tape 22 precedes the upper side. Therefore, of the pair of guide protrusions 154a and 154b, the first guide protrusion 154a corresponding to the upper side is closer to the upstream side of the printing tape 22, that is, the side closer to the tape roll 26 than the second guide protrusion 154b. It touches the part. That is, the first guide protrusion 154a is located upstream of the second guide protrusion 154b in the transport direction of the printing tape 22.

In this embodiment, since the pair of guide protrusions 154a and 154b are provided, the inclined side 54j in the above-described embodiment does not exist, but as shown in FIG. 25, the end portions of the pair of guide protrusions 154a and 154b. If the straight line connecting the two is virtually regarded as the inclined side 154j, the angle formed by the virtual inclined side 154j and the bottom plate 14a can be set as the intersection angle θc.

FIG. 26 is a diagram showing a cross-sectional view taken along the XVI-XVI visual cross section in FIG. 6 together with the printing tape 22. FIG. 26 is a diagram illustrating how one of the pair of guide protrusions 154 constituting the first guide 130 and the printing tape 22 hung around the first guide 130 are in contact with each other. The shape of the pair of guide protrusions 154 is as shown in FIG.

FIG. 26A shows a mode in which the printing tape 22 contacts only the second guide projection 154b. Further, FIG. 26B shows a mode in which the printing tape 22 contacts only the first guide projection 154a. FIG. 26C shows a mode in which the printing tape 22 contacts both the first guide protrusion 154a and the second guide protrusion 154b.

In FIG. 26D, the printing tape 22 is in contact with the second guide protrusion 154b and also in contact with the pair of guide protrusions 154 and the guide wall 50 facing each other via the through holes 52. In FIG. 26E, the printing tape 22 is in contact with the first guide protrusion 154a and also in contact with the pair of guide protrusions 154 and the guide wall 50 facing each other through the through holes 52. In FIG. 26 (f), the printing tape 22 is in contact with both the first guide protrusion 154a and the second guide protrusion 154b, and is also in contact with the guide wall 50.

In FIG. 26 (g), the printing tape 22 is in contact with the second circumferential wall 36 located above the case 10 in the vertical direction with respect to the first guide protrusion 154a without touching any of the pair of guide protrusions 154. ing. Further, in FIG. 26 (h), the printing tape 22 does not touch any of the pair of guide protrusions 154, but touches the second circumferential wall 36 and the guide wall 50.

In FIG. 26 (i), the printing tape 22 is in contact with at least one of the first guide protrusion 154a and the second guide protrusion 154b, and is located above the first guide protrusion 154a in the vertical direction of the case 10. It shows an aspect of being in contact with the second circumferential wall 36. In the embodiment shown in FIG. 26 (i), the printing tape 22 is in contact with either the first guide projection 154a or the second guide projection 154b, as well as the first guide projection 154a and the second guide projection 154a. A mode in which both of the guide protrusions 154b are in contact with each other is also included.

FIG. 26 (j) shows a mode in which the printing tape 22 is the second guide projection 154b and comes into surface contact with the facing surface 154 m facing the guide wall 50 via the through hole 52. Since the second guide protrusion 154b protrudes from the bottom plate 14a in the upward / downward improvement direction of the cassette 10, the facing surface 154m also extends in the upward / downward improvement direction of the cassette 10. Since the printing tape 22 is in contact with the facing surface 154 m, it appears as a vertical line segment in the cross section perpendicular to the transport direction shown in FIG. 26 (j). This means that the cross section of the printing tape 22 in the width direction is conveyed so as to be parallel to the vertical direction of the cassette 10. In the aspect shown in FIGS. 26 (a) to 26 (i), the surface contact referred to in FIG. 26 (j) means that the printing tape 22 is the first guide protrusion 154a or the second guide protrusion 154b and its tip portion. This refers to a mode in which the printing tape 22 is in contact with the inclined surface 54j in a relatively large section as compared with the cases of FIGS. 26 (a) to 26 (i). That is, in the surface contact in the present embodiment, not only when the printing tape 22 is in contact with the printing tape 22 over the entire facing surface 154m, but also a part of the facing surface 154m in the height direction is continuously attached to the printing tape 22. Including the case of contact.

When the printing tape 22 is hung around the first guide 130, the printing tape 22 takes the mode shown in FIGS. 26 (a) to 26 (f) or (i), so that the printing tape 22 has the first guide protrusions 154a and the second By contacting at least a part of the guide protrusion 154b of the printing tape 22, the lower side of the printing tape 22 in the width direction is bulged out of the cassette 10 in the transport direction. Therefore, the transport direction of the printing tape 22 is relatively changed to the lower side of the cassette 10.

Further, as shown in FIGS. 26 (g) and 26 (h), the printing tape 22 and the pair of guide protrusions 154 may not be in contact with each other. The first guide 130 is provided with a plurality of pairs of guide protrusions 154, and even if at least one pair of guide protrusions 154 takes the mode shown in FIGS. 26 (g) and 26 (h), other guides are provided. By taking the aspect of FIGS. 26 (a) to 26 (f) or (i) described above in the protrusion 154, the transport direction of the printing tape 22 can be relatively changed to the lower side of the cassette 10.

Further, in the embodiment of FIGS. 26 (d), (e), (f) or (h), the printing tape 22 is in contact with the guide surface 50 facing the pair of guide protrusions 154. By doing so, when the lower side of the printing tape 22 in the width direction is bulged more than necessary, the printing tape 22 is prevented from being bulged excessively by coming into contact with the guide surface 50.

Further, in the embodiment shown in FIG. 26 (j), since the printing tape 22 is in contact with the facing surface 154m having a surface parallel to the vertical direction of the cassette 10 of the guide rib 54, the width direction cross section of the printing tape 22 is the cassette 10. It is conveyed so as to be parallel to the vertical direction, and the conveying direction of the printing tape 22 is not changed in the vertical direction.

Note that the modes shown in FIGS. 26A to 26J are examples of how the printing tape 22 and the pair of guide protrusions 154 are in contact with each other, and other modes may be taken.

According to the above-described embodiment, the cassette 10 includes a tape case 20 and a ribbon case 21, has a housing having a groove 11 in the ribbon case 21, and is printed by winding a printing tape 22. A tape roll 26, a first guide protrusion 154a, and a second guide protrusion 154b are provided in the tape case 20, and the first guide protrusion 154a is located upstream of the second guide protrusion 154b in the transport direction of the printing tape 22. The first guide protrusion 154a and the second guide protrusion 154b extend in the extending direction from the ribbon case 21 toward the tape case 20, and the tip of the first guide protrusion 154a in the extending direction is the second guide protrusion. Since the printing tape 22 is farther from the ribbon case 21 in the extension direction than the tip of the 154b in the extension direction, the printing tape 22 is hung around the pair of guide protrusions 154a and 154b, and the transport direction is the tape case. It is changed from 20 to the ribbon case 21.

Further, according to the above-described embodiment, in the eighth invention, the first ridge is longer than the second ridge in the extending direction, and the first ridge is the same. The proximal end in the extending direction and the proximal end of the second ridge in the extending direction are characterized to be located at the same position in the extending direction. In this way, two types of ridges having different tip positions can be provided from the same position in the extending direction of the base ends of the ridges.
[Embodiment 4]

27 and 28 are diagrams illustrating still another embodiment of the present invention. It differs in that the protrusions corresponding to the pair of guide protrusions 154a and 154b in the third embodiment are provided by the plate-shaped member.

FIG. 27 is a perspective view of the second case member 14 in the present embodiment, and corresponds to FIG. 24 in the above-described third embodiment. The protrusion member 156 is provided instead of the pair of guide protrusions 154a and 154b in the third embodiment. That is, the protrusion member 156 is provided on the second case member 14, in other words, the tape case 20. The protrusion member 156 is composed of a plate-shaped member having a substantially L-shaped planar shape. FIG. 28 is a side view of the protrusion member 156 as viewed from XXVIII-XXVIII in FIG. 27, and is a view corresponding to FIGS. 15 (a) and 25 in the above-described embodiment.

As shown in FIGS. 27 and 28, the protrusion member 156 protrudes in a substantially L shape in the direction away from the printing tape roll on the surface of the second circumferential wall 36 opposite to the printing tape roll 26. In other words, the protrusion member 156 intersects the extension portion 156a extending in the vertical direction of the cassette 10 and the extension portion 156 at the lower end of the extension portion 156a, and is separated from the printing tape roll 26 by the extension portion 156a. It includes a protruding portion 156b that protrudes a lot. The substantially L-shaped protrusion member 156 corresponds to the step of the present invention.

In the present embodiment, the extension portion 156a is a second circle from the lower end of the second circumferential wall 36, that is, the intersection of the second circumferential wall 36 and the bottom plate 14a, along the second circumferential wall 36 in the upward and downward improvement direction of the cassette 10. It extends to the upper end of the peripheral wall 36. Further, the protruding portion 156b intersects a part of the lower end side of the extending portion 156a, and protrudes to a position farther from the printing tape roll 26 than the extending portion 156a. Further, in the present embodiment, as shown in FIGS. 27 and 28, the vertical length of the extending portion 156a is longer than the vertical length of the protruding portion 156b.

As shown in FIG. 27, the cassette 10 of the present embodiment is provided with a plurality of the above-mentioned protrusion members 156 (five in FIG. 27). Further, the protrusion member 156 is projected along a straight line passing through the rotation center C1 of the printing tape roll 26, for example. At this time, the printing tape 22 is hung around the protruding member 156 and comes into contact with at least one of the extending portion 156a and the protruding portion 156b of the protruding member 156, so that the printing tape 22 is on the lower side in the width direction (ribbon case 21 side). Since it is bulged to the outside of the case, the transport direction of the printing tape 22 can be changed to the lower side.

In this embodiment, since the protrusion member 156 has a substantially L-shape, the inclined side 54j in the above-described first embodiment does not exist, but the extension portion 156a and the end portion of the protrusion 156b of the protrusion member 156 are formed. If the straight line connecting the straight lines is virtually regarded as the inclined side 156j, the angle formed by the virtual inclined side 156j and the bottom plate 14a can be defined as the intersection angle θc.

FIG. 29 is a diagram showing a cross-sectional view taken along the XVI-XVI visual cross section in FIG. 6 together with the printing tape 22. FIG. 29 is a diagram illustrating how one of the protrusion members 156 constituting the first guide 130 and the printing tape 22 hung around the first guide 130 are in contact with each other. The shape of the protrusion member 156 is as shown in FIG.

FIG. 29A shows a mode in which the printing tape 22 contacts only the protruding portion 156b of the protruding member 156. Further, FIG. 29B shows a mode in which the printing tape 22 contacts only the extending portion 156a of the protruding member 156. FIG. 29 (c) shows a mode in which the printing tape 22 contacts both the extending portion 156a and the protruding portion 156b.

In FIG. 29 (d), the printing tape 22 is in contact with the protrusion 156b and also with the guide wall 50 facing the protrusion member 156 via the through hole 52. In FIG. 29 (e), the printing tape 22 is in contact with the extending portion 156a and also in contact with the guide wall 50. In FIG. 29 (f), the printing tape 22 is in contact with both the extending portion 156a and the protruding portion 156b, and is also in contact with the guide wall 50.

In FIG. 29 (g), the printing tape 22 is attached to the second circumferential wall 36 located above the extending portion 156a in the vertical direction without touching either the extending portion 156a or the protruding portion 156b. I'm in contact. Further, in FIG. 29 (h), the printing tape 22 does not touch any of the pair of protruding members 156, but touches the second circumferential wall 36 and the guide wall 50.

In FIG. 29 (i), the printing tape 22 is in contact with at least one of the extension portion 156a and the protrusion 156b, and is also attached to the second circumferential wall 36 located above the extension portion 156a in the vertical direction. It shows the aspect of contact. The aspect of FIG. 29 (i) includes a mode in which the printing tape 22 is in contact with either the extension portion 156a or the protrusion 156b, or a mode in which the printing tape 22 is in contact with both the extension portion 156a and the protrusion 156b. Is done.

FIG. 29 (j) shows a mode in which the printing tape 22 comes into surface contact with the facing surface 156m of the protruding portion 156b facing the guide wall 50 through the through hole 52. In the protruding portion 156b, the amount of protrusion P1 from the second peripheral wall 36 does not change in the vertical direction of the cassette 10, so that the facing surface 156m extends in the same direction as the vertical direction of the cassette 10. Since the printing tape 22 is in contact with the facing surface 156 m, it appears as a vertical line segment in the cross section perpendicular to the transport direction shown in FIG. 29 (j). This means that the cross section of the printing tape 22 in the width direction is conveyed so as to be parallel to the vertical direction of the cassette 10. In the aspect shown in FIGS. 29 (a) to 29 (i), the surface contact referred to in FIG. 29 (j) means that the printing tape 22 comes into contact with the extending portion 156a or the protruding portion 156b at the end thereof. , The mode in which the printing tape 22 comes into contact with the inclined surface 54j in a relatively large section as compared with the cases of FIGS. 29 (a) to 29 (i). That is, in the surface contact in the present embodiment, not only when the printing tape 22 is in contact with the printing tape 22 over the entire facing surface 154m, but also a part of the facing surface 154m in the height direction is continuously attached to the printing tape 22. Including the case of contact.

When the printing tape 22 is hung around the first guide 130, the printing tape 22 has the extending portion 156a and the protruding portion 156b by taking the embodiment shown in FIGS. By coming into contact with at least a part of the printing tape 22, the lower side of the printing tape 22 in the width direction is bulged out of the cassette 10 in the transport direction. Therefore, the transport direction of the printing tape 22 is relatively changed to the lower side of the cassette 10.

Further, as shown in FIGS. 29 (g) and 29 (h), the printing tape 22 may be in contact with neither the extending portion 156a nor the protruding portion 156b of the protrusion member 156. The first guide 130 is provided with a protrusion member 156, and even if at least one of the protrusion members 156 takes the aspects shown in FIGS. 29 (g) and 29 (h), the other protrusion members 156 By taking the aspect of FIGS. 29 (a) to 29 (f) or (i) described above, the transport direction of the printing tape 22 can be relatively changed to the lower side of the cassette 10.

Further, in the embodiment of FIGS. 29 (d), (e), (f) or (h), the printing tape 22 is in contact with the guide surface 50 facing the protrusion 156. By doing so, when the lower side of the printing tape 22 in the width direction is bulged more than necessary, the printing tape 22 is prevented from being bulged excessively by coming into contact with the guide surface 50.

Further, in the embodiment shown in FIG. 29 (j), since the printing tape 22 is in contact with the facing surface 156 m having a surface parallel to the vertical direction of the cassette 10 of the guide rib 54, the width direction cross section of the printing tape 22 is the cassette 10. It is conveyed so as to be parallel to the vertical direction, and the conveying direction of the printing tape 22 is not changed in the vertical direction.

Note that the modes shown in FIGS. 29 (a) to 29 (j) are examples of how the printing tape 22 and the projecting member 156 are in contact with each other, and other modes may be taken.

According to the above-described embodiment, the cassette 10 includes a tape case 20 and a ribbon case 21, has a housing having a concave groove 11 in the ribbon case 21, and is configured by winding a printing tape 22. The tape case 20 is provided with a tape roll 26 and a protrusion member 156, and the protrusion member 156 includes an extension portion 156a extending in the vertical direction of the cassette 10 from the tape case 20 to the ribbon case 22, and the extension portion 156. Since the extension portion 156b that intersects the 156a and extends in the direction away from the printing tape roll 26 is provided, the transport direction of the printing tape 22 can be changed from the tape case 20 to the ribbon case 21.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is also applicable to other aspects.

For example, in the above-described embodiment, the intersection angle θc of the adjacent guide ribs 54 is gradually reduced as the printing tape 22 advances (in the transport direction), but the present invention is not limited to this aspect. The intersection θc may be gradually increased.

Further, the protrusion 140 in the above-described second embodiment may be provided as a rotatable roller.

Further, in the above-described third embodiment, the second guide protrusion 154b is provided at the end of the bottom plate 14a on the through hole 52 side, but the present invention is not limited to such a mode. That is, the second guide protrusion 154b may be provided inside the end portion of the bottom plate 14a on the through hole 52 side, and the bottom plate 14a may protrude from the second guide protrusion 154b toward the through hole 52 side. Further, the first guide projection 154a extends along the second circumferential wall 36 to the upper end of the second circumferential wall 36 in the vertical direction thereof, but the present invention is not limited to such a mode. That is, it may be extended so that the first guide protrusion 154a is not provided on the upper end side of the second circumferential wall 36 by a certain distance, or conversely, the first guide protrusion 154a is provided on the second circumferential wall 36. It may be a mode that extends upward beyond the upper end of the.

Further, in the above-described third embodiment, the pair of the first guide protrusion 154a and the second guide protrusion 154b are arranged on a straight line passing through the rotation center C1 of the printing tape roll 26, but the present invention is not limited thereto. A different aspect can be taken as long as the first guide protrusion 154a is located upstream of the second guide protrusion 154b in the transport direction of the printing tape 22.

Further, in the above-described fourth embodiment, the bottom plate 14a is provided up to a point where it overlaps with the lower end of the second circumferential wall 36, but the present invention is not limited to this, and the protrusion 156b of the printing tape roll 26 is provided so as to extend outward in the radial direction. It may be provided up to a position where it overlaps with the tip.

Further, in each of the above-described embodiments, the guide rib 54, the pair of guide protrusions 154a, 154b, and the protrusion member 156 are exemplified in the drawings, but the number thereof is not limited to the exemplified ones.

Further, the slope 43 is provided between the printing tape roll 26 and the guide rib 54, and the height of the bottom plate 14a gradually decreases from the position corresponding to the tape gate 42 toward the through hole 52, as described above. In the first embodiment, the height is lowered toward the left side of the cassette 10 in the left-right direction. However, it is not limited to such an embodiment. FIG. 30 is a diagram illustrating a step 143, which is another aspect of the slope 43. FIG. 30 is a perspective view showing the periphery of the step 143 of the second case member 16 by cutting out. In the example of FIG. 30, the slope 143 is provided so that the height becomes lower toward the rear side in the front-rear direction of the cassette. Even with such a slope 143, the same effect as that of the above-mentioned slope 43 is produced.

Further, in the above-described fourth embodiment, the projecting member 156 corresponding to the step of the present invention is provided, but the present invention is not limited to this aspect.

31 and 32 are diagrams illustrating another aspect of the protruding member 156 in the fourth embodiment. Of these, FIG. 31 is a perspective view of the second case member 14, and corresponds to FIG. 27 in the above-described fourth embodiment. A protrusion 158 is provided instead of the protrusion 156 in the fourth embodiment. That is, the protrusion member 158 is provided on the second case member 14, in other words, the tape case 20. FIG. 32 is a side view of the protrusion member 158 as viewed from XXXII-XXXII in FIG. 31, and is a view corresponding to FIG. 28 in the fourth embodiment.

As shown in FIGS. 31 and 32, the protrusion 158 includes an extension 158a corresponding to the extension 156a of the protrusion 156 in the fourth embodiment, and a protrusion 158b corresponding to the protrusion 156b. Further, it has an intermediate portion 158c. The extending portion 158a projects in a direction away from the printing tape roll on the surface of the second circumferential wall 36 opposite to the printing tape roll 26. In other words, the protrusion member 158 is from the extension portion 158a extending in the vertical direction of the cassette 10, that is, in the vertical direction of the cassette 10, and intersecting the extension portion 156 at the lower end of the extension portion 156a. Also includes a protruding portion 158b that projects a lot in the direction away from the printing tape roll 26.

The extending portion 158a is the upper end of the second circumferential wall 36 from the lower end of the second circumferential wall 36, that is, the intersection of the second circumferential wall 36 and the bottom plate 14a in the upward and downward improvement direction of the cassette 10 along the second circumferential wall 36. Has grown to. Further, the protruding portion 158b intersects a part of the lower end side of the extending portion 158a, and protrudes to a position farther from the printing tape roll 26 than the extending portion 158a.

The intermediate portion 158c is formed so that its tip is located below the tip of the extending portion 158a and above the tip of the protruding portion 158b. Further, the intermediate portion 158c is formed so that the protruding amount thereof is larger than the protruding amount of the extending portion 158a and smaller than the protruding amount of the protruding portion 158b. In other words, the protrusion member 156 in the above-described fourth embodiment forms a two-step step, whereas the protrusion member 158 forms a three-step step. The protrusion member 158 having such a configuration also corresponds to the step of the present invention and produces the same effect.

Further, in the above-described embodiment, a thermal transfer method in which the ink 68a of the ink ribbon 68 is transferred to the printing tape 22 by the heat of the head is adopted, but the present invention is not limited to this mode. That is, the cassette 10 adopting a heat-sensitive printing method that does not require an ink ribbon 68 can be configured by applying so-called heat-sensitive ink that develops color when the temperature rises above a predetermined temperature on the surface of the printing tape 22. it can. In this case, it is not necessary to provide the supply spool 70 for supplying the ink ribbon 68 and the take-up spool 76 for winding the used ink ribbon 68, and the bottom area of the cassette 10 can be further reduced, or the bottom of the cassette can be used. The capacity of the printing tape 22 and the bonding tape 60 can be increased while maintaining the area. Moreover, the configuration in the cassette 10 can be made simpler.

Further, in the above-described embodiment, the bonding tape 60 is bonded to the surface of the printing tape 22 after printing, but the present invention is not limited to this mode. That is, the bonding tape 60 is not an indispensable requirement, and the printed tape 22 after printing may be discharged as it is. In this case, it is not necessary to provide the bonding tape roll 64 around which the bonding tape 60 is wound in the cassette 10, and the bottom area of the cassette 10 can be further reduced, or printing is performed while maintaining the bottom area of the cassette. The capacity of the tape 22 can be increased. Moreover, the configuration in the cassette 10 can be made simpler. Further, even when the above-mentioned thermal printing method is adopted, a configuration that does not use the bonding tape 60 can be similarly applied.

Further, although the cassette 10 of the above embodiment is provided with the roller 80, the cassette 10 may not be provided with the roller 80. Further, the printing tape roll 26, the bonding tape roll 64, the ink ribbon roll 72, and the take-up spool 76 may not be provided horizontally with respect to the front-rear direction and the left-right direction. For example, when the bonding tape roll 64 is not provided horizontally with respect to the front-rear direction and the left-right direction, the width direction of the bonding tape 60 is different from the vertical direction of the above embodiment, and the bonding tape roll 64 The direction orthogonal to the radial direction is also a direction different from the vertical direction of the above embodiment.

Further, the transport route of the bonding tape 60 and the ink ribbon 68 is not limited to the route shown in FIG. 17, and various routes can be appropriately adopted. Further, for example, the bonding tape roll 64 may be arranged on the right side of the take-up spool 76. Further, the arrangement of the bonding tape roll 64, the ink ribbon roll 72, and the take-up spool 76 is not limited to the position shown in the above embodiment. At least one of the ink ribbon rolls 72 as the third medium roll is housed in the ribbon case 21, one of the printing tape roll 26 and the laminating tape roll 64 is housed in the tape case 20 as the first medium roll, and the other is housed in the second medium roll. It suffices if it is housed in the ribbon case 21 as a medium roll. Even in this case, the one roll housed in the tape case 20 is arranged so as to overlap at least one of the other roll housed in the ribbon case 21 and the ink ribbon roll 72 in the vertical direction. As a result, the cassette 10 can be miniaturized in the radial direction of the bonding tape roll 64 or the printing tape roll 26. In the above embodiment, the bonding tape roll 64, the ink ribbon roll 72, and the take-up spool 76 are all arranged at positions where they overlap the printing tape roll 26 in the vertical direction, but the bonding tape roll 64 and the ink ribbon roll 72 And at least one of the take-up spools 76 may be arranged at a position where it overlaps with the printing tape roll 26 in the vertical direction.

In the above embodiment, the cassette 10 is configured by stacking four case members, a first case member 12, a second case member 14, a third case member 16, and a fourth case member 18 in the vertical direction. The cassette 10 is not limited to this configuration. For example, the second case member 14 and the third case member 16 can be integrally formed, and in such a case, the cassette 10 is composed of three case members. In short, as long as the structure of the cassette 10 is such that the tape case 20 and the ribbon case 21 are overlapped in layers, the structure of the case constituting the cassette 10 is not limited.

In the above embodiment, the printing tape roll 26 is configured by winding the printing tape 22 around the printing tape spool 24 which is a cylindrical shaft core material, but the printing tape 22 is wound around the printing tape spool 24. Instead, the printing tape roll 26 may be formed by winding around the first support protrusion 30 and the second support protrusion 32. Similarly, the bonding tape 60 is wound without being wound around the bonding spool 62, and the outer circumference of the bonding tape 60 is defined and arranged by the bonding tape roll support wall 84 and the arcuate wall 92. May be good.

In the above embodiment, the bonding tape roll 64 overlaps both the printing tape spool 24 and the printing tape 22 wound around the printing tape spool 24 in the vertical direction, but the bonding tape roll 64 is a printing tape. It may overlap only the printing tape 22 wound around the spool 24 in the vertical direction. Further, the printing tape roll 26 overlapped both the bonding spool 62 and the bonding tape 60 wound around the bonding spool 62 in the vertical direction, but the bonding tape wound around the bonding spool 62. It may overlap only 60 in the vertical direction.

Further, the number of the guide ribs 54, the pair of guide protrusions 154, and the protrusion members 156 in the above-described embodiment is an example, and may be different numbers. That is, in the above-described embodiment, an example in which the first guide is composed of seven guide ribs 54, five pairs of guide protrusions 154, or five protrusion members 156 is shown, but the present invention is not limited thereto. .. The number of the guide ribs 54, the pair of guide protrusions 154, and the protrusion members 156 is not limited to a plurality, and the same effect can be obtained even if the number is singular.

Further, as shown in FIG. 8, each of the guide ribs 54 is continuously formed on the second peripheral wall 36 of the second case member 14 and the bottom plate 14a of the second case member 14, respectively. The guide rib 54, the second circumferential wall 36, and / or the bottom plate 14a may be integrally formed, or may be adhered with an adhesive, a solvent, or the like. Further, the guide rib 54 may be continuous with at least one of the second circumferential wall 36 and the bottom plate 14a of the second case member 14.

Further, the sides 54j and 54m of the guide rib 54, the pair of guide protrusions 154, and the protrusion member 156 each have the printing tape 22 in order to reduce the resistance during sliding that occurs when they are brought into contact with the printed tape 22 to be conveyed. The portion in contact with the surface may be chamfered or otherwise processed. In particular, when the tip portions of the sides 54R on both sides of the guide rib 54 having a planar shape are chamfered, the inclined surface 54i can have a curved surface shape instead of a flat surface.

Further, in the above-described embodiment, the bottom plate 14a of the second case member and the fourth case member 18, that is, the bottom wall of the cassette 10 are parallel to each other, but the present invention is not limited to this, and the second case is not limited to this. When the bottom plate 14a of the member and the fourth case member 18 are not parallel, the lower end of the guide rib 54 may extend in a direction parallel to the fourth case member 18 instead of the floor plate 14a.

Other than that, although not illustrated, the present invention is implemented with various modifications within a range not deviating from the gist thereof.

10: Cassette 12: First case member 14: Second case member 16: Third case member 18: Fourth case member 20: Tape case (first case, upper case)
21: Ribbon case (second case, lower case)
22: Printing tape (printed medium, first medium)
22a: Printed tape 22b: Adhesive 22c: Release tape 24: Printing tape spool (first rotating body)
26: Printing tape roll (first medium roll)
27: Locking claw 28: Fixing claw 29: Positioning protrusion 30: First support protrusion 32: Second support protrusion 34: First circumferential wall 36: Second circumferential wall 38: Spacer film 40: Printing tape Gate 42: Printing tape Gate 43: Slope 44: Outer wall 46 of the first case member: Outer wall 46a of the second case member: Short side 46b: Long side 50: Guide wall 52: Through hole 54: Guide rib 54i: Inclined surface 54j: Inclined side 54a: Rib tip edge 55: Rib 56: Guide wall 57: Guide wall 58: Through hole 60: Laminating tape (second medium)
60a: Transparent film (transparent medium)
60b: Adhesive 62: Laminating spool (second rotating body)
64: Laminating tape roll (second medium roll)
66: Laminating tape roll support hole 68: Ink ribbon 68a: Ink 70: Supply spool (third rotating body)
72: Ink ribbon roll 74: Ink ribbon support hole 76: Take-up spool (fourth rotating body)
78: Winding spool support hole 80: Roller 82: Roller support hole 84: Laminated tape roll holding wall 86: Ink ribbon roll holding wall 88: Cylindrical protrusion 90: Clutch spring holder 92: Rotating member 94: Winding spool Support hole 96: Connecting hole 98: Roller exposed hole 100: Connecting portion 102: Printing device 104: Cassette mounting portion 106: Printing head 108: Winding spool drive shaft 110: Roller drive shaft 112: Positioning hole 114: Head holding plate 116 : Platen roller 118: Pressing roller 120: Platen holding member 122: Printing system 130: First guide 132: Second guide 140: Projection 143: Slope 154a: First guide projection (pair of guide projections)
154b: Second guide protrusion (pair of guide protrusions)
154j: Inclined side 156: Projection member 156a: Extension 156b: Projection 156j: Inclined side 158: Projection member 158a: Extension 158b: Projection 158c: Intermediate portion S1: First space S2: Second space C1: 1st rotation center line C2: 2nd rotation center line C3: 3rd rotation center line C4: 4th rotation center line C5: 5th rotation center line θc: intersection angle P1: protrusion amount

Claims (10)

1. A housing having a first layer and a second layer and having a head space in the first layer,
   A roll provided on the second layer and formed by winding a medium,
   With a ridge provided on the second layer,
   The ridge is provided outside the roll and projects in a direction away from the roll, and the ridge is inclined so as to increase the distance from the roll from the second layer to the first layer. A cassette characterized by having an inclined portion.
2. The housing comprises a containment wall for accommodating the roll.
   A plurality of the ridges are provided so as to project from the accommodation wall.
   The cassette according to claim 1, wherein the plurality of ridges project so as to be separated from each other from the storage wall.
3. The housing has a bottom wall and
   The plurality of ridges include an extension extending in a direction parallel to the bottom wall.
   The intersection angle formed by the inclined portion and the extending portion of each of the plurality of ridges is an acute angle, and gradually increases or decreases from upstream to downstream in the transport direction of the medium. 2. The cassette according to claim 2.
4. The plurality of ridges are at least three ridges.
   The cassette according to claim 2, wherein the medium is conveyed to each of the three ridges in the opposite direction to the roll.
5. The housing comprises a floor that supports the roll.
   The floor comprises a slope sloping in the direction from the second layer to the first layer.
   The cassette according to any one of claims 1 to 4, wherein the slope is provided between the roll and the ridge in the transport direction of the medium.
6. The housing comprises a guide wall provided around the roll.
   The cassette according to claim 5, wherein the guide wall gradually separates from the roll from the upstream of the slope toward the slope in the transport direction.
7. Claims 1 to 6 further include a protrusion having a conical shape or a truncated cone shape, which is provided upstream of the ridge and has a large diameter from the second layer to the first layer in the transport direction of the medium. The cassette described in either.
8. A housing having a first layer and a second layer and having a head space in the first layer,
   A roll provided on the second layer and formed by winding a medium,
   The first and second ridges provided in the second layer are provided.
   The first ridge is located upstream of the second ridge in the transport direction of the medium, and the first ridge and the second ridge extend from the first layer to the second layer. Extend in the direction,
   A cassette characterized in that the tip of the first ridge in the extension direction is farther from the first layer in the extension direction than the tip of the second ridge in the extension direction.
9. The first ridge is longer in the extending direction than the second ridge.
   The eighth aspect of claim 8, wherein the base end of the first ridge in the extension direction and the base end of the second ridge in the extension direction are located at the same position in the extension direction. Cassette.
10. A housing having a first layer and a second layer and having a head space in the first layer,
    A roll provided on the second layer and formed by winding a medium,
    With a step provided on the second layer,
    The step is characterized by including an extending portion extending from the second layer toward the first layer, and a protruding portion intersecting the extending portion and projecting in a direction away from the roll. Cassette to do.

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