JPH02169284A - Ink cassette and recorder using the same ink cassette - Google Patents

Abstract

PURPOSE:To make smaller a required space in the height direction of a recorder when an ink cassette is mounted in the recorder by bending the ink cassette. CONSTITUTION:An ink cassette 6 for containing an ink sheet 7 therein comprises a main body 6a of a container and a cover body 6b, which are fitted to each other to form the container. The cassette 6 has an engaging protrusion 6m projecting at a predetermined outside position of the container, the protrusion 6m being able to be engaged with an engaging recessed part constituting an ink cassette-mounting part of a main body of a recorder. The ink cassette 6 can be fitted to and detached from the main body of the recorder by inserting the cassette 6 with the protrusion 6m in engagement with the recessed part or by drawing out the cassette 6. Since the cassette 6 is constructed in a bent form, the height of the main body of the recorder upon setting the cassette 6 in the main body can be restricted to a small value, and a smaller recorder can be contrived. A part of the cassette 6 functions also as a guide at the time of discharging a recording sheet 1.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an ink cassette for accommodating an ink sheet used in a thermal transfer recording method, and a recording apparatus using the ink cassette.

<Prior Art> Today, various recording methods have been developed and put into practical use as input information output devices, and a typical example of these recording methods is a thermal transfer recording method.

In this recording method, a heat-melting ink sheet is superimposed on a recording sheet, a recording head heats the ink sheet in an image pattern, and an image is recorded by transferring the molten ink to the recording sheet.

The thermal transfer recording method is widely used because the device is easy to handle and has excellent low noise characteristics.

In recent years, ink sheets used in the recording method are stored in cassettes, and used ink sheets are replaced with each cassette, thereby making it easier to manage and handle the ink sheets.

<Problems to be Solved by the Invention> However, in conventional ink cassettes, the ink sheet conveyance path from the supply reel to the take-up reel was configured in a straight line, so if you try to load the ink cassette diagonally, the recording device There were problems such as the need for a long height direction, resulting in an increase in the size of the device.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and to provide an ink cassette that can be easily loaded into a downsized printing apparatus and a printing apparatus using the ink cassette.

<Means for Solving the Problems> A typical means of the present invention for solving the above problems includes a supply reel capable of supplying an ink sheet, and a supply reel for winding up the ink sheet supplied from the supply reel. It is characterized in that it has a take-up reel and a container for holding the supply reel and the take-up reel, and the container is bent.

<Operation> According to the above means, since the ink cassette is bent, when the ink cassette is loaded into the recording apparatus, only a small space is required in the height direction of the apparatus.

<Embodiment> Next, an embodiment of the present invention to which the above means is applied will be described with reference to the drawings.

FIG. 1 is an explanatory perspective view of the external appearance of the recording apparatus, FIG. 2 is an explanatory cross-sectional view in a recording state, and FIG. 3 is an exploded explanatory view of main parts.

First, to briefly describe the entire apparatus, a plurality of recording sheets 1 made of cut sheets are stacked and stored in a cassette 2, and the recording sheets 1 are separated and fed one by one by a feeding means 3. The leading edge of the fed recording sheet l is gripped by a gripper 5 attached to a platen 4 serving as a conveyance means, and is conveyed in the direction of arrow a as the platen 4 rotates.

During recording, the ink sheet 7 in the ink cassette 6 is conveyed in the direction of the arrow in synchronization with the rotation of the platen 4, and the recording head 8 is moved up and down as appropriate, and when the head is down, the ink sheet 7 is transported to the recording sheet l. press against. At the same time, the recording head 8 generates heat in response to the image signal, and the ink on the ink sheet 7 is transferred and recorded onto the recording sheet 1, thereby performing recording.

Furthermore, the recording sheet 1 after recording is discharged to a discharge section 10 by a discharge means 9.

Further, the rotating cam 12 is rotated by the DC motor 11,
The rotation of the rotary cam 12 causes the recording head 8 to move up and down, and the first direct-acting cam 13 and the second direct-acting cam 1 to move up and down.
4 slides to operate the members related to the supply means 3, the gripper 5, the recording rack 8, and the ejection means 9.

Furthermore, the recording sheet l by the supply means 3 and the discharge means 9
The feeding of the ink sheet, the rotation of the platen 4, and the winding of the ink sheet 7 are configured such that a driving force from a stepping motor (hereinafter referred to as "rst motor") 15 is transmitted via a flanch means 16.

Next, the configuration of each of the above sections will be explained in detail.

First, the cassette 2 will be described. As shown in FIGS. 1 and 2, a case 2a for stacking and storing recording sheets 1 is removably attached to the main body of the recording apparatus, and the sheets are placed on the bottom of the case 2a. A member 2b is housed therein, and the recording sheet 1 is stacked and housed on the member 2b.

Next, as shown in FIGS. 2 and 4, the sheet supply means 3 has three shafts 3a+ and 3at rotatably attached to the side wall chassis 17a and 17b of the apparatus.

There are feed and discharge rollers 3b+, 3bt, approximately in the center of 3as, respectively.
3bs are fixed, and a feeding belt 3C is suspended between the respective feeding/discharging rollers. Furthermore, a gear is attached to the shaft 3a+ to be connected to a supply/discharge gear to be described later, and the supply/discharge bell (3C) is configured to rotate in the direction of arrow C in FIG. 4 by transmitting rotational force to the gear. ing.

Further, a rotatable shaft 3d is provided below the supply/discharge roller 3b.
A separation roller 3e fixed to is disposed, and this separation roller 3e is pressed against the supply/discharge belt 3C.

It is provided so that it can be separated. Specifically, as shown in FIG. 4, the shaft 3d is attached to be movable up and down through elongated holes 17c bored in the side wall chassis 17a, 17b, and a tension member that serves as a pressure contact member is attached to both ends of the shaft 3d. Supply/discharge bell by spring 3 f+, 3 ft) 3
The separation roller 3 is pulled in the direction c.
e is configured to come into pressure contact with the wandering belt 3C.

The driving force transmission structure to the separation roller 3e is a supply/discharge bell)
A rubber belt 3h is suspended between a pulley 3g+ attached to the shaft 3a+ that transmits driving force to the shaft 3c and a pulley 3g2 attached to the separation roller shaft 3d, and the rotation of the shaft 3a is separated via the bell) 3h. The rotation is transmitted to the roller shaft 3d, and the separation roller 3e is configured to rotate in the direction of the arrow d in FIG. Incidentally, there is a Pl! (not shown) between the shaft 3d and the boo 93gz attached thereto. A friction clutch is engaged, and the torque on the foot is applied to the separation roller 3.
The information is not transmitted to e.

Therefore, when the separation roller 3e moves upward and presses the recording sheet 1 against the supply/discharge belt 3C, and rotational force is transmitted to the shaft 3a+, the supply/discharge belt 3C rotates in the direction of arrow C and reaches its maximum position. At the same time as feeding the upper recording sheet 1, the separation roller 3e rotates in the direction of arrow d to separate the second and subsequent recording sheets 1 from the top layer, and feeds the separated recording sheet l to the platen 4. It is something to do. In addition, the supply/discharge belt 3
The sheet conveying force by C is set larger than the rotational force transmitted to the separation roller 3e by the friction clutch.

Therefore, the separation roller 3e rotates in the direction of arrow d when the recording sheets 1 are fed in duplicate, but the separation roller 3e rotates in the direction of the arrow d when the recording sheets 1
After separating the recording sheets 1 one by one, the recording sheet 1 is rotated as the recording sheet 1 is conveyed by the feeding belt 3C.

Further, the tensile force of the tension spring 3'l+3 ft is such that the tensile force of the spring 3'8 on the side on which the rubber belt 3h is suspended is smaller than the tensile force of the spring 3f attached on the other end side. This is because the rubber belt 3h is suspended with a certain tension between the pulley 3g+ and Sgt in order to transmit the driving force to the separation roller 3e, as described above. The end of the belt 3h side is pulled in the direction of the supply/discharge belt 3C by the tension.Therefore, the springs 3f+ and 3h attached to both ends of the shaft 3d are attached to the belt 3h in consideration of the tension. Tensile force F! due to spring 3h on the side that is holding, spring 3ft on the other side
When the tensile force F3 is caused by the rubber belt 3h, and the tensile force F is the tensile force F caused by the rubber belt 3h, the respective tensile forces are set so as to have a relationship of F t + F s −F +. As a result, the separating roller 3e is brought into pressure contact with the feeding bell 3c with a uniform force in the longitudinal direction, and the recording sheets 1 are reliably separated one by one and fed to the platen 4.

Next, a configuration for separating the separation roller 3e from the supply/discharge bell 3c will be explained.

A feed base plate 3j is provided near the separation roller 3e, and the rotation of the feed base plate 31 causes the separation roller 3 to
e is the one that is separated from the supply/discharge bell) 3c. To explain this configuration in detail, as shown in FIGS. 2 and 3, a crank-shaped locking member 3 that locks on the separation roller shaft 3d
i+, 3 it is fixed to both ends of the connecting member 3+s, and a sheet push-up member 3 is attached to the approximate center of the connecting member 3i3.
ii is attached via a spring (not shown). The locking members 31+ and 3i□ are rotatably attached to the side wall chassis 17a and 17b by shafts 3is, respectively. Further, one of the locking members 3i+ has a cam projection 31.
is installed protrudingly. Therefore, as shown in FIG. 16, when the cam protrusion 3jh is located in the first engaging portion 13a, which is a recess of the first linear force arm 13, which will be described later, the locking member locked with the separation roller shaft 3d 3 L+ 3 iy rotates clockwise around the shaft 31s by the tensile force of the tension springs 3 f+ and 3 ft shown in FIG.
(state shown in the figure), and further move the direct drive cam 13 to the position shown in Fig. 17.
14, the cam protrusion 3ik is pushed by the upright portion 13h of the first linear force arm 13, the feeding base plate 31 further rotates clockwise, the sheet push-up member 31a also rotates clockwise, and the cassette 2 Push up the inner sheet placing member 2b. Therefore, the recording sheet 1 placed on the sheet placing member 2b comes into contact with the feeding belt 3c and is fed by the rotation of the belt 3c. Note that during sheet feeding, the sheet push-up member 3 changes depending on the increase or decrease in the number of recording sheets 1.
The difference in the amount of displacement of ia is absorbed by a spring (not shown).

On the other hand, when the cam protrusion 3i is located at the second engaging portion 13b of the first linear force ram I3, the feeding base plate 31 is
The separation roller shaft 3d is rotated counterclockwise around the center to push down the separation roller shaft 3d. Therefore, the separation roller 3e separates from the supply/discharge belt 3c, and the sheet placement member 2b moves downward, so that the recording sheet 1 separates from the supply/discharge belt 3C (the state shown in FIG. 2). In this case, even if the supply/discharge belt 3c rotates, the recording sheet 1 is still in the cassette 2.
The device is designed so that it is not fed into the device.

The recording sheets 1 fed one by one by the feeding belt 3C are detected by the sheet leading edge detection sensor Sl, and are further conveyed by a predetermined distance and brought into contact with the registration member 3j to position the leading edge. The resist member 3j will be explained.

As shown in FIGS. 2 and 3, in the resist member 3j, both ends of a rotating plate 3j+ are bent to form side plate portions 3jx and 3j, and these side plate portions 3b and 3ja are connected to the shaft 3, respectively.
j4 is rotatably attached to the side wall chassis 17a, 17b. Further, a pressure contact member 3js made of a plate spring member (for example, a phosphor bronze plate) formed in the shape of a letter 31 is attached to a substantially central portion of the rotating plate 3jl, and the rotating plate 3j+ is rotated. The pressure contact member 3
The tip of the js is configured to be able to press against and separate from the surface of the platen 4.

The rotating plate 3jI is rotated by the second linear motion cam 14, and specifically, as shown in FIG.
A cam protrusion 3Jb is protrudingly provided on the side plate portion 3js formed on one side of the +, and when this cam protrusion 3j rides on the engaging portion 14a of the second translational cam 14, the rotating plate 3j+ is attached to the shaft 3L. Rotate counterclockwise around the pressure contact member 3js.
The tip of the platen 4 comes into pressure contact with the platen 4.

Then, the cam projection 33. When the rotating plate 3j is not engaged with the engaging portion 14a, the rotating plate 3j rotates clockwise by its own weight around the shaft 3Ja as shown in FIG. It is configured as follows.

As mentioned above, since the pressing member 3Js is composed of a leaf spring member, it curves as shown in FIG. is securely pressed against the platen 4. Therefore, the leading end of the recording sheet 1 fed by the above-mentioned supply/discharge belt 3c comes into contact with the pressing member 3js, and the leading end of the sheet is positioned. Further, the pressure contact member 3js is “31
It is formed in a letter shape, and its tip is pressed against the platen 4 at two locations parallel to the axial direction. Therefore, even if the recording sheet 1 is fed obliquely, the leading edge of the sheet is
When the sheet ends come into contact with the pressing member tips at the various locations, the sheet ends become parallel to the axial direction of the platen 4, and the sheet is positioned in a state where the skew is corrected.

The recording sheet 1, which is fed to a predetermined position on the platen 4 by the supply means 3 and whose leading edge is positioned, is gripped by a gripper 5 on the surface of the platen 4 and conveyed.

Next, the configuration of the conveying means including the platen 4 and gripper 5 will be explained.

The platen 4 is made of a cylindrical member surrounded by rubber, and a rotary shaft 4a protrudes from both sides thereof, and the shaft 4a is rotatably attached to the side wall chassis 17a, 17b. A gear attached to one end of a shaft 4a connects this platen 4 to a platen gear 16c of clutch means [6], which will be described later, and rotational force is transmitted through the clutch means I6, thereby moving in the direction of arrow a of the second rM. It is configured to rotate.

A gripper 5 is integrally attached to the platen 4. As shown in FIG. 6, this gripper 5 consists of a lower plate 5a attached to both sides of the platen 4, and a U-shaped grip plate 5b that can be pressed against and separated from the circumferential surface of the platen 4. .

A round hole 581 for inserting the platen shaft 4a is bored in the lower plate 5a, and a guide hole 5ag made of an elongated hole is bored on both sides of the hole 581, and a slide projection 5a=
is constructed with a protrusion.

On the other hand, the grip plate 5b includes a grip portion 5b and both side portions 5b.
Consists of t. A long hole 5bs for inserting the platen shaft 4a is bored in the both sides 5bz, and the platen 4 is inserted through the guide hole 5 of the lower plate 5a on both sides of the long hole 5bs.
A locking protrusion 5b protruding from the side surface is provided, and
A slide hole 5b, which is an elongated hole, is bored into which the slide protrusion 5a3 of the lower plate 5a engages. Furthermore, cam protrusions 5b are provided at predetermined positions on both sides 5bt to engage with glyph parka cams (described later) and to separate the grip portion 5b from the peripheral surface of the platen.

To attach the gripper 5 to the platen 4, the slide protrusion 5 of the lower plate 5a is inserted into the slide hole 5b of the grip plate 5b, and the locking protrusion 5 of the grip plate 5b is inserted into the slide hole 5b of the grip plate 5b.
b, into the guide hole 5at of the lower plate 5a to attach the gripper.
5, and the gripper 5 is attached to the platen 4 by fitting the round hole 5a+ of the lower plate 5a and the elongated hole 5b of the grip plate 5b into the platen shaft 4a.

Therefore, the lower plate 5a and the grip plate 5b can rotate integrally with respect to the platen shaft 4a, and the grip plate i
5b is slidable in the radial direction of the platen 40.

Note that a tension spring 5c is attached between the lower plate 5a and the grip plate 5b, and the grip plate 5b is always
It is pulled in the direction of the latch shaft 4a, so that the grip portion 5b+ comes into pressure contact with the peripheral surface of the platen.

Moreover, on both sides of the planar 240, there are marks shown in FIG. 7(A), (
As shown in B), a circular groove 4b is formed, and a locking groove 4b+ in which the locking protrusion 5b of the grip lfi, 5b can be locked is formed in a part of the circular groove 4b. Therefore, as shown in FIG. 7(^), the locking protrusion 5bn is in the locking groove 4b.
, the grip portion 5b is in a state of being locked to the grip portion 5b.

is in pressure contact with the peripheral surface of the platen 4, and as the platen 4 rotates, the gripper 5 rotates.

On the other hand, as shown in FIG. 7(B), when the grip plate 5b is slid in the direction of the arrow e against the tensile force of the tension spring 5c, the locking state between the locking protrusion 5bs and the locking groove 4b+ is changed. When the platen 4 is released and rotated in this state, the locking protrusion 5b4 locks on the inner peripheral surface of the circular groove 4b.

Therefore, in this state, the grip portion 5b+ is separated from the circumferential surface of the platen 4, and only the platen 4 rotates until the platen 4 goes around once and the locking protrusion 5b4 locks with the locking groove 4b+. It is something.

That is, the platen 4 and the gripper 5 exist not only in a mode in which both rotate integrally, but also in a mode in which only the platen 4 rotates with respect to the gripper 5. Even though it has the two types of modes, the platen 4 and the gripper 5 are configured as an integrated unit, so the assembly and the positional accuracy of the gripper 5 with respect to the platen 4 are improved. It is.

When the gripper 5 grips the leading end of the recording sheet 1 onto the platen 4 and the platen 4 is rotated in this state, the recording sheet 1 is conveyed along the circumferential surface of the platen 4.

Incidentally, as shown in FIG. 2, a pinch roller 18 serving as a pressing member is in pressure contact with the peripheral surface of the platen 4, and the recording sheet 1 is gripped by a gripper 5 during sheet ejection, which will be described later. The recording sheet I is configured so that the recording sheet I is conveyed by the rotation of the platen 4 even when the recording sheet I is not rotated.

Next, to explain the installation structure of the pinch roller 18, as shown in FIG. 3 and FIG. It is rotatably locked in a long groove 17d formed in each of the shafts 17a and 17b, and is attached so that both ends of the shaft are pulled in the direction of the platen 4 by a tension spring 18b.

Accordingly, the roller shaft 18a can slide along the long groove 17d, thereby allowing the pinch roller 18 to press against and separate from the circumferential surface of the platen 4.

Since the pinch roller 18 is installed as described above, when the gripper 5 grips the recording sheet 1 and the platen 4 rotates, the gripper 5 moves as shown in FIGS. When passing the pressure contact position between the platen 4 and the pinch roller 18, the pinch roller 18 rides on the gripper 5, and when the gripper 5 passes, the pinch roller 18 comes into pressure contact with the platen 4 again by the tensile force of the spring 18b.

Therefore, by configuring as in the present embodiment, the pinch roller 18 does not need to be provided with special means for retracting the pinch roller 18 from the platen 4 as the gripper 5 rotates. is not an obstacle.

The recording sheet 1 conveyed by the platen 4 as described above is brought into pressure contact with the ink sheet 7 by the roller pad 8, and predetermined recording is performed.

Next, the configuration of the recording head 8 will be explained.

The recording head 8 is the most commonly used line-type thermal head, and as shown in Fig. 9 (A) and CB), heat is generated by applying electricity to the surface of the substrate 8a according to the image signal. A plurality of heating elements 8e are arranged in a line. This recording head 8 is supported at both ends by a head arm 8b as shown in FIG.
b is the side wall chassis 17a, 17b by the arm shaft 8C.
is rotatably attached to.

Further, as shown in FIG. 2, each helad arm 8b is connected by a shaft 20a to a head moving plate 20 rotatably attached to the side wall chassis 17a, 17b by a rotation shaft I9. Therefore, when the head moving Fi20 rotates, the head arm 8b rotates accordingly.
The recording head 8 is configured to press against and separate from the circumferential surface of the platen 4.

Incidentally, the head moving plate 20 is connected to the rotary cam 1 as described later.
It rotates by 20 rotations.

Further, a heat radiating member 8d is attached to the recording head 8 to prevent heat accumulation in the base F1.8a.

This heat dissipation member 8d is attached to the back surface of the head substrate 8a as shown in FIGS. The structure is such that the heat dissipation surface is wide. Further, the heat dissipating member 8d is arranged in the direction of the arrow X in FIG. 9(A) (heating element 8e
The fins 8d are elongated in the direction perpendicular to the arrangement direction of the fins 8d, and when attached to the back surface of the substrate, a part of the fins 8d
It is configured to protrude from a in the direction of the arrow X.

When the heat dissipation member 8d is configured to be wider than the substrate 8a as in this embodiment, the heat dissipation area becomes larger, the heat dissipation effect is improved, and a clearer image can be recorded in image formation.

Next, the ink sheet 7 heated by the selective heat generation of the recording head 8 and the ink cassette 6 that stores the sheet 7 will be described.

First, the ink sheet 7 is formed by applying thermally transferable (heat-melting, heat-sublimating, etc.) ink onto a base film having approximately the same width as the length of the recording head 8 in the line direction. still,
As shown in FIG. 10, the ink sheet 7 of this embodiment has yellow Y, magenta M, and cyan C colored inks sequentially applied to a certain length, and a border between each colored ink to identify the color. A mark 7a is formed.

Next, as shown in FIGS. 11(A) and 11(B), the ink cassette 6 for storing the ink sheet 7 has a container body 6a and a lid 6b fitted together to form a storage container. A reel accommodating portion 6d for accommodating the supply reel 6c is formed at one end of the container, and a reel accommodating portion 6'' for the take-up reel 6e is formed at the other end. An ink cassette is constructed by winding the ink around a supply reel 6c and a take-up reel 6e, respectively, and accommodating these reels 6c and 6e in respective accommodating portions 6d and 6f.

The ink cassette 6 has a retaining protrusion 6m protruding from a predetermined position on the outside of the storage container, and the protrusion 6m is configured to be able to engage with an engagement recess 27 that serves as an ink cassette loading portion of the main body of the apparatus. Therefore, the retaining protrusion 6 of the ink cassette 6
The ink cassette 6 is configured to be attachable to and detachable from the main body of the recording apparatus by engaging the ink cassette m into the engagement recess 27 and inserting or removing the ink cassette 6.

Further, crocodile 6g++ and 6g□ are formed at both ends of the supply reel 6C and the take-up reel 6e, respectively, and one flange 6g+
A locking protrusion 6g3 is provided on the outer surface of the R
A pressing spring 6h is attached to the outer surface of 6gx. and the reel housing section 6d.

A locking groove 61 in which the locking protrusion 6gs can lock is formed radially on the R6g + side inner surface of 6f.

Therefore, the reel 6c6e housed in the storage container is pressed to one side by the pressing spring 6h, and the locking protrusion 6gff locks in the locking groove 61, so that when the ink cassette 6 is transported, etc. The parts 6c and 6e do not rotate, and the ink sheet 7 is prevented from becoming loose.

Incidentally, when the ink cassette 6 is set in the main body of the recording apparatus, the flange 6g+ connects to a protrusion in the apparatus having a frixillane (not shown) and a winding gear 16 having a friction (not shown).
i in the direction of arrow f in FIG. 11(A), the locking state between the locking protrusion 6gx and the locking groove 61 is released, and each reel 6c, 6e becomes rotatable. When set, the take-up reel 6e is configured to be connected to a take-up gear 16e of a clutch means 16, which will be described later, and when rotational force is transmitted to the take-up gear 16e, the take-up reel 6e
rotates in the direction of arrow g in FIG. 2 to sequentially feed out the ink sheet 7 from the supply reel 6c and wind it up on the take-up reel 6e.

Further, the storage container is connected to the supply reel 6c to the take-up reel 6e.
The conveyance path of the ink sheet 7 conveyed is bent in the shape of a letter r to form a curve 4'#. A guide member 6j for guiding the bending and conveyance of the ink sheet 7 is attached to the bent portion of the container body 6a. Further, the housing portion 6 of the take-up reel 6e of the container body 6a
A guide portion 6n for guiding the recording sheet l being conveyed is formed at the bottom of f.

Further, an ink sheet 7 is provided on the container body 6a and the lid 6b.
A window 6 kl+ 6 kt is formed to expose the ink sheet 7 exposed from + and 6 kg in this window 6.
is configured such that it comes into pressure contact with the recording sheet 1 by the pressure of the recording pad 8.

Further, a reflection plate 61 is attached to a predetermined position on the inner surface of the lid 6b. When the ink cassette 6 is inserted into the recording apparatus main body, this reflective plate 61 is attached to the side wall chassis +7a, +7b as shown in FIGS. 3 and 11 (^), and is located below the container main body 6a. It reflects light from the ink sensor S, which is an optical sensor. That is, the light from the ink sensor S reaches the window 6 of the container body 6a, passes through the ink sheet 7, and reaches the reflective plate 61. Therefore, the presence or absence of the tip mark 7a attached to the ink sheet 7 is detected by the reflected light, and the tips of each color of the ink sheet 7 are detected.

Since the ink cassette 6 according to this embodiment is configured to be bent as described above, when the ink cassette 6 is set in the recording apparatus main body as shown in FIGS. 1 and 2,
The height of the device body can be kept low, making it possible to downsize the device. Further, as will be described later, a portion of the ink cassette 6 also functions as a guide when the recording sheet J is discharged.

After the ink on the ink sheet 7 is transferred to the recording sheet 1 by the heat generated by the recording pad 8 and recording is completed, the recording sheet 1 is discharged by the discharge means 9. Next, the discharge means 9 will be explained.

This ejecting means 9 has an ejecting lever 9a for guiding the recording sheet 1 from the platen surface to the ejecting port 10, and a guide member 9b for ejecting the recording sheet 1 in cooperation with the aforementioned feed/ejecting bell 3c.

The ejection lever 9a is connected to the platen 4 as shown in FIG.
Lever members 9a and 9a3 are integrally attached to both ends of the shaft 9a+, which is slightly larger than the rubber surrounding surface of the shaft 9a.
, are rotatably attached to the side wall chassis 17a, 17b. The one lever member 9at is bent into a hook shape, and is pulled counterclockwise in FIG. 2 by a tension spring 9aa.

Furthermore, a cam protrusion 9aB is protruded from the lever member 9am, and when the cam protrusion 9as is engaged with the third engaging portion 13c of the first linear force ram 13 as shown in FIG. It is retracted from the platen 4 by a tensile force of 9aa. On the other hand, as shown in FIG. 16, when engaging with the fourth engaging portion 13d, the ejection lever 9a rotates clockwise so that the lever members 9axr 9as are positioned near both ends of the platen 4. Therefore, when the recording sheet 1 is conveyed by the rotation of the platen 4 after being released from gripping by the gripper 5, the leading edge of the sheet touches the lever member 9a.
It is guided to the discharge port 10 with both ends guided by z + 9 a s.

Next, the guide member 9b is made of a member wider than the width of the recording sheet 1, and is disposed on the side of the above-mentioned supply/discharge belt 3C, as shown in FIGS. 2 and 12. The guide member 9b is attached at both ends to the side wall chassis 17a, 17b so as to be rotatable by the shaft 9b+, and a part of the guide member 9b is pressed against the supply/discharge belt 3C by its own weight with a pressing force of approximately lθ to 40gf/-. It is configured so that it can be pressed into contact with the

Therefore, the recording sheet 1 guided to the upper part of the feeding belt 3C by the ejection lever 9a is conveyed between the feeding/discharging belt 3c and the guide member 9b, and is ejected to the ejection port IO by the cooperative action of the two. It is something that

In this embodiment, since the guide member 9b comes into pressure contact with the supply/discharge belt 3C without being pressed by a spring or the like, the discharge conveyance force can be applied to the recording sheet 1 with a simple structure and without increasing the number of parts. It is something that can be done.

The feeding base plate 31, the resist member 3j, and the ejection lever 9a
The position control of the recording head 8, and even the gripper 5 is performed by a cam member serving as a position control member.Next, the relationship between each of the above-mentioned members and the cam member will be explained.

As shown in FIG. 2, horizontally elongated holes 13e+, 13et are bored at predetermined positions of the above-mentioned first linear force arm 13, and these horizontally elongated holes 13g+, 13et form a shaft 21a protruding from the outside of one side wall chassis 17a. 21b so as to be slidable. That is, the linear motion cam 13 is connected to the horizontally elongated hole l3.
It is attached movably within the range of el+13el.

Also, a horizontally elongated hole 14bl is provided at a predetermined position of the second translational cam 14.

14b! are drilled, and these horizontally elongated holes 14b+, i4bo connect to a shaft 22 protruding from the outside of the other side wall chassis 17b.
a and 22b so as to be slidable. That is, the second translational cam 14 is also mounted movably within the range of the horizontally elongated holes 14b+ and 14bz.

Further, vertical holes 13f and 14c are bored near the ends of the first linear motion cam 13 and the second linear motion cam 14, respectively, and the cams move into these vertical holes 13f and 14c! 23 protrusions 23a are engaged. This cam moving plate 23 is attached to both side wall chassis 17.
a and 17b, respectively, so as to be rotatable about the same shaft 19 as the rotation shaft of the head moving plate 20 described above.

The cam moving plate 23 and the head moving plate 20 are configured to be rotated by rotary cams 12 which are rotatably attached to the side wall chassis 17a, 17b, respectively, about a shaft 24. To explain the structure in detail, two cam grooves 12a and 12b are formed on the inner surface of the rotary cam 12 as shown in FIG. provided cam protrusion 20
b is fitted into the other cam groove 12b, and a cam protrusion 23b protruding from a predetermined position of the cam moving plate 23 is fitted into the other cam groove 12b.

Therefore, when the rotating cam 12 rotates, the cam projections 20b and 23b slide along the cam grooves 12a and 12b.

As shown in FIG. 13, the cam groove 12a connected to the head moving plate 20 has a circular shape that is equidistant from the rotation center C of the rotating cam 12 from point ^1 to point At, The structure is such that the distance from the rotation center C gradually increases from A to point ^.

Further, the cam groove 12b connected to the cam moving plate 23 is configured such that the distance from the rotation center C gradually increases from point B1 to point B2, and from point B to point B.

up to are arranged in a circular shape equidistant from the rotation center C.

Therefore, when the rotary cam 12 is rotated in the direction of the arrow in FIG.
In the section leading to , the cam moving plate 23 rotates in the direction of arrow i,
The first and second translational cams 13, 14 slide in the direction of arrow j. At this time, since the cam protrusion 20b of the head moving plate 20 is in the section from point A to point A, the head moving plate 20
does not rotate and Rad8 does not move to record.

When the rotary cam 12 is further rotated from the above state, the cam protrusion 23b of the cam moving plate 23 enters the section from point B2 to point B, so the cam moving plate 23 does not rotate and the linear cams 13, 1
4 will no longer slide. On the other hand, since the cam protrusion 20b of the head moving plate 20 enters the section from point At to point A, the head moving plate 20 rotates in the direction of the arrow, and the recording rad 8 moves in the head down direction.

Furthermore, when the rotary cam 12 is rotated in the opposite direction, the linear drive cams 13, 14 and the recording head 8 perform operations opposite to those described above.

Incidentally, when the rotary cam 12 rotates and the cam protrusion 20b of the head moving plate 20 is at the position of point A, the cam protrusion 23b of the cam moving plate 23 is set to be at the position of point B. There is. Therefore, when the recording head 8 is in a moving state, both translational cams 13.14 are in a stopped state, and when both translational cams 13.14 are in a moving state, the recording head 8 is in a stopped state. A cam groove 123°12b is set.

Incidentally, as shown in FIG. 1, a sensor contactor 26 is attached to the rotating cam 12 so as to rotate integrally with the rotating cam 12, and the side wall chassis 1.
7a has a rotation sensor S consisting of two touch sensors.
, is installed. This sensor SS is connected to the contactor 26 when the recording head 8 is in the head-up state and when it is in the head-down state by the rotation of the rotary cam 12.
is in contact with each touch sensor to detect the up-down state of the recording head 8.

Further, with the above configuration, both the linear motion cams 13.14 slide, and the gripper cam 25 rotates due to the slide of the two translational cams 13.14, and the gripper 5
It is configured to perform position control.

The gripper cam 25 has both side wall chassis 17a.

17b, and is rotatable about a shaft 25a as shown in FIG.
A first engaging part 25b and a second engaging part 25b are formed for separating the grip part 5b+-1- from the peripheral surface of the grip part 5b+-1-, and a cam protrusion 25c is provided at a predetermined position.

Incidentally, cam grooves 13g and 14d extending diagonally downward are formed at predetermined positions of the first linear motion cam 13 and the second linear motion cam 14, and these cam grooves 13g and i4d form the cam protrusions of the green bar cam 25. 25c.

Therefore, when both translational cams 13 and 14 slide in the direction of arrow i in FIG. 16, the cam protrusion 25c moves into the cam groove 13g.

The gripper cam 25 rotates in the direction of arrow m by sliding along +46. This gripper cam 25
Due to the rotation of the retaining portion 25b l as described later.

The gripper 5 is released from pressure contact with the platen 4 by pushing up the cam protrusion 5bh of the gripper 5 which is waiting at a predetermined position.

As described above, the linear-acting cams 13 and 14 slide integrally with the rotary cam 12, and the second linear-acting cam 14 has a linear-acting cam sensor S at its tip for detecting the sliding position of the linear-acting cam 14. is provided. This sensor S,
When the direct drive cam 14 slides from the right side to the left side in FIG.
It can be switched in five stages.

The rotation sensor S detects up and down of the recording head 8, and the linear motion cam sensor S detects the five stages to switch to the following six stages. The feeding base plate 31 and the resist member 3 when the
j, ejection lever 9a.

The state of the gripper cam 25 and the relationship between the rotation of the rotary cam 12 and the recording head 8 are as follows.

(1) At the time of spin check (state shown in Fig. 2) - feeding base plate 3i cam protrusion 3L is engaged with second engaging portion 13b of first linear power ram 13 (hereinafter this state will be referred to as r down 1) ).

■Registration member 3j The cam protrusion 3j is not engaged with the engaging portion 14a of the second translational cam 14 (hereinafter, this state will be referred to as r-down 1).

■Ejection lever 9a The cam protrusion 9as is the third engaging portion 13c of the first linear force ram 13.
(hereinafter this state will be referred to as r-up J).

■Recording head 8 fart? is in a down state.

■Griff Parkam 25 It is in a stopped state.

Note that the switch -■ is detected by the rotation sensor S.

(2) When the switch is in the -r position, only the recording head 8 is moved up by the rotation of the rotary cam 12, and the other members remain in the switch-r state.

(3) When switch is on (state shown in Figure 14) ■ Feeding location i
3i Switch - It is in the down state as in the case of ■.

■Resist member 3j It is in a down state just like when it was in Sinchy 1.

■The ejection lever 9a The cam protrusion 9as is the fourth engaging portion 13d of the first linear force ram 13.
(hereinafter this state will be referred to as r-down 1).

■Recording head 8 Head amp condition.

■Gripper cam 25 Rotate counterclockwise.

(4) When switch is on (state shown in Fig. 15) - Feeding base plate 31 is in the down state as in the case of switch-I.

(2) Resisting member 3j The cam protrusion 3j engages with the engaging portion 14a of the second translational cam 14 (hereinafter, this state will be referred to as r-up 1).

■Ejection lever 9a It is in the down state as with switch ■.

■Recording head 8 Heads up.

■Gripper cam 25 Rotate counterclockwise.

(5) When the switch is in position (state B in FIG. 16), the feeding base plate 31 cam protrusion 3+h is the first engaging portion 13a of the -th linear force ram 13.
(hereinafter, this state will be referred to as r-up 1).

■Resist member 3j It is in the up state just like when the switch ■ is on.

■Ejection lever 9a It is in the down state as with switch ■.

■Recording head 8 Heads up.

■Gripper cam 25 Rotate counterclockwise.

(6) When the switch ■ is on (state shown in Fig. 17) ■ The cam protrusion 3ih of the feed base plate 31 is pushed by the upright portion 13h of the -th linear force arm 13, and the recording sheet 1 is fed by the rotation of the sheet push-up member 3+a. Press it against belt 3C.

Of the other members, only the gripper cam 25 rotates counterclockwise, and the other members maintain the switch (2) state.

The above conditions are summarized in Table 1 below.

(Hereinafter, the margin) (Hereinafter, the margin) Table 1 As mentioned above, the supply means 3 and the Kimiko record head 8 according to this embodiment
, the ejecting means 9, and the Glitzy 5 are controlled in position by a series of movements of the cam member, so there is no need to separately provide a mechanism for moving each member. Therefore, it is possible to reduce the number of parts and reduce costs, and also to save space.

Next, the clutch means 16 for switching and transmitting the driving force from the supply/discharge belt 3C, platen 4, or b1t to the take-up reel 6e of the ink sheet 7 is shown in FIGS. 20 and 21.
This will be explained with reference to the figures. In addition, FIG. 20 is a plan view of the latch means 16, and FIG. 21 is an AA cross-sectional view thereof.

As shown in FIG. 20, the clutch means 16 includes a sun gear 16a which rotates normally in the direction of arrow n and reverses in the opposite direction by the forward and reverse rotation of the St momo-15;
Three planetary gears 16bl and 16bf that mesh with.

16b. Furthermore, the planetary gear 16b,
16bl iab, a platen gear 16c for transmitting driving force to the platen 4, a supply/discharge gear 16d for transmitting driving force to the supply/discharge belt 3C, a platen lock gear f6e for locking the rotation of the platen 4, and an ink cassette. It is configured so that it can sequentially mesh with a take-up gear 16f for transmitting driving force to the take-up reel 6e of No.6.

As shown in FIGS. 20 and 21, the arrangement of the respective gears is such that the planetary gears 16b+, 16bg, +6bs are arranged around the sun gear 16a at 45° intervals, and these are attached to the rotation locking plate 16g. It is rotatably attached to the planetary shaft 16h. Also, the platen gear 16
c, supply/discharge gear 16d, platen lock gear 16e1, and take-up gear 16f are rotated at 90° around the rotation locking plate 16g in the above order.
arranged at intervals.

As shown in FIG. 20, this rotational locking plate 16g has locking portions 16g+ cut out in the shape of a key at equal intervals on its outer circumference, and these locking portions 16g+ are connected to a shaft 16j attached to the clutch chassis 16i. Key-shaped plate 1 that can be rotated around
It is configured so that it can be locked with a locking protrusion 161 attached to one end of 6. The other end of this key-shaped plate 16 is pulled by a tension spring 16m, and the locking protrusion 16
1 is biased in the direction of locking with the locking portion 16g1.

The relationship between the sun gear 16a and the rotation locking plate 16g is as shown in FIG. It is attached freely,
A pressing spring 160 is attached between the two via a friction washer 16p. As shown in FIG. 21, the sun gear +6a is fitted with a stop ring 16 and a washer 16q to prevent it from moving downward in the axial direction, and the rotation locking plate 16g is fixed so as not to move in the axial direction. Therefore, when the St momo-15 rotates, the sun gear 1
6a rotates, and its rotational force is applied to the pressing spring 16o.
Since the rotational torque is transmitted to the rotational locking plate 16g via the friction force of the friction washer 16ρ, the rotational torque at a constant rate is not transmitted to the rotational locking plate 16g. Therefore, in FIG. 20, when the sun gear 1.6a rotates normally in the direction of the arrow n, the locking portion 16g1 of the rotation locking plate 16g locks with the locking protrusion 161 to restrict rotation. The rotation locking plate 16g does not rotate, but the planetary gears 16b+, 16bt, and 16bs that mesh with the sun gear 16a rotate. On the other hand, when the sun gear 16a reverses, the rotation locking plate 16
Since the regulating force is removed, the gear g rotates in the same direction as the sun gear 16.a. In addition, at this time, the planetary gear 16b+
.

16bg and 16bx rotate around the sun gear 16a, so no rotational force is transmitted to them.

Also, the planetary shaft 16 attached to the rotation locking plate 16g
A sensor plate 16r is attached to the tip of the sensor plate 16r, and marks 16r divided into eight equal parts are attached to the surface of the sensor plate 16r as shown in FIG.

Further, a clutch sensor S4 is attached to a position opposite to the sensor plate 16r, as shown in FIG. 21.

Therefore, the mark 16r on the rotating sensor plate 16r
By detecting + with clutch sensor S4,
A rotation locking plate 16g that rotates integrally with the sensor plate 16r.
The rotational position of is detected.

Next, by the clutch means 16 having the above-mentioned structure, the St.mo.
A case will be described in which the driving force of No. 15 is switched and transmitted to the supply/discharge belt 3C, platen 4, etc.

In the state shown in FIG. 20, the planet gear 16b meshes with the platen gear 16c, and the planet gear 16b meshes with the take-up gear
f, and the remaining planetary gears 16b are not in mesh with the gear train. Therefore, when the St momo-15 is rotated forward in this state, the sun gear 16a rotates in the direction of arrow n, but since the rotation locking plate 16g does not rotate,
The rotational force of the sun gear 16a is transferred to the planetary gears 16b+, 16b.
s to the platen gear 16c and the take-up gear 16f, and the gear train 16s (21st
The rotational force is transmitted to the platen 4 and the winding wheel 6e through the winding roller 6e.

Next, when the St momo-15 is reversed from the state shown in FIG. 20 and the rotation locking plate 16g is rotated by 45 degrees in the direction opposite to the arrow n, the planetary gear 16bt meshes with the platen gear 16c, and the other planetary gears 16b, , 16b2 are released from the meshed state. Therefore, when the St momo-15 is rotated forward in this state, the rotational force is transmitted only to the platen 4 via the planetary gear 16b2.

That is, as described above, by driving the St momo--15 in the reverse direction and rotating the rotation locking plate 16g by 45 degrees, the planetary gears 16b+, 16b□, 16bz, the platen gear 16C1, the supply/exhaust gear 16d1, the take-up gear 16e1, the platen lock. The state of engagement with the gear 16f can be sequentially switched, and by driving the St momo-15 in normal rotation, rotational force can be transmitted to each gear meshed with the planetary gears 16bl, tsb, and tsbs.

In this embodiment, the clutch sensor S4 detects the position when the rotary locking plate 16g rotates by 45 degrees, and at that clutch position (hereinafter referred to as rCPJ), the platen 4 is rotated through the planetary gears 16b+, 16bg, and 16bs. The conditions in which the driving force is transmitted to each member are set as shown in Table 2 below.

(The following is a blank space) Table 2 Using the clutch means 16 as described above, St Momo-15
By driving the planet gear 6b in reverse.

16bz, 16bs and the platen gear 16c, supply/discharge gear 16d, etc. are switched, and then the St momo-1
By driving 5 in the normal rotation, driving force can be selectively transmitted to each member such as the platen 4.

Therefore, the platen 4, the wandering belt 3c, or the winding
Since the selection drive of the lever 6e can be performed by one motor, there is no need to provide a motor for each member.
By reducing the number of motors, costs can be reduced, and space can also be saved.

Note that the load applied to the St momo-15 is different when the St momo-15 is in reverse rotation (when switching the clutch) and when the motor is rotating normally (when driving the platen 4, etc.). The load during rotation is large, so in this embodiment, the torque-speed characteristics of the St momo-15 as shown in FIG. Utilizing the characteristic that the rotational torque decreases when the speed is high, when the motor rotates forward with a large load, the rotation speed N1 is reduced to generate a large torque T, and when the motor rotates in the reverse direction, where the load is small, the rotation speed N1 is reduced.
In order to increase the torque rd clutch switching speed at this time, the rotation speed of the St momo-15 is set to be changed between forward rotation and reverse rotation.

By changing the rotation speed of the St momo-15 in response to load fluctuations as described above, there is no need to prepare separate motors for each load, and one St momo-15
The driving force can be selectively transmitted to the platen 4 and the like.

Next, a control system for controlling the driving of each of the members will be explained.

As shown in FIG. 23, this control system includes a CPU 30a such as a microprocessor, a ROM 30b storing control programs and various data for the CPU 30a, and a CPU 30a such as a microprocessor.
RAM30c used as work area of U30a
, and further a counter 3 that counts the amount of rotation of the motor, etc.
0d, etc., an interface 31, an operation panel 32, a motor driver 33 for driving the DC motor 11, a motor driver 34 for driving the St momo-15, and a heat-generating drive for the recording head 8. The head driver 35 includes a head driver 35, and each of the above-mentioned sensors S, -S.

The control unit 30 inputs various information from the operation panel 32 and signals from the sensors 51 to S through the interface 31, and further inputs the input video signal 36 to the signal processing circuit 3.
7 converts it into both signals 38 for driving the recording head 8, and receives it as an input signal. Further, the control section 30 connects the DC motor 11 and S via an interface 31.
tMotor ON/OF for driving Momo-15
F, forward rotation, reverse rotation signals, and image signals are output, and each member is driven by the signals.

Further, in the recording apparatus according to this embodiment, a platen free switch is provided on the operation panel 32 to release the connection between the platen 4 and the clutch means 16 and to set the platen 4 in a free state. When this switch is turned on,
The CP of the clutch means 16 is, for example, r21 or r5.
The planetary gear 16b is switched to the platen gear 16c.
+, 16bt, and 16bs will not mesh. Therefore, if a jam or the like occurs during recording, turning on the switch allows the platen 4 to freely rotate, allowing the operator to easily clear the jam by manually rotating the platen freely. is now possible.

In addition to the platen free switch, for example, a jam sensor may be provided near the platen 4, and when a jam occurs, the CP may be automatically switched by a signal from the jam sensor. .

Next, the operational procedure for recording using the recording apparatus having the above-described configuration will be described with reference to the flowcharts of FIGS. 24 and 25.

First, when a recording start signal is input, step S in FIG.
In Step 1, the switches of the direct drive cams 13 and 14 are set to the rll position in Table 1 above, and the process proceeds to Step 32. SL in S3
While driving Momo-15 in reverse, the clutch sensor S
4, CP is detected, and the cP is "0" shown in Table 2 above.
In other words, only the platen 4 is driven.

Next, after stopping the driving of the St momo-15, in step S4.35, the St momo-15 is driven in the normal rotation to rotate the platen 4, which rotates integrally with the gripper 5, to the initial position, and then in step S4.35. In S6, the St.movement 15 is rotated in the forward direction by a predetermined amount, and the platen 4 is rotated until the gripper 5 comes to the position shown in FIG. After that, step S7,3
At step B, the St motor 15 is driven in reverse to switch the CP of the clutch means 16 to r4J, and the platen 4 is locked.

Next, in Steps 39 to Sll, the DC motor 11 is driven to rotate in the normal direction to slide the direct-acting cams 13 and 14, and the direct-acting cams 13 and 14 are stopped at the position of the switch r1 by the direct-acting cam sensor S. As a result, as shown in FIG.
1 is raised and the separation roller 3e presses the recording sheet 1 in the cassette l against the feeding belt 3c, the registration member 3j is raised and the pressing member 3js is pressed against the circumferential surface of the platen 4, and further the gripper cam 25 The first engaging portion 25b1 pushes up the cam protrusion 5ha of the gripper 5, causing the gripper 5 to be in an open state.

Next, step 512. St Momo in S13
15 is reversely driven to switch CP to r2s so that the driving force is transmitted only to the wandering belt 3c, and step
4, when the St momo-15 is driven in normal rotation, the supply/discharge belt 3c rotates in the direction of arrow C in FIG.
are separated and fed one by one. Furthermore, when feeding the sheet, after the sheet leading edge detection sensor S1 detects the leading edge of the sheet in steps 315 to S17, the St motor I5 is stopped when the sheet has been conveyed a predetermined amount. As a result, the leading edge of the recording sheet 1 comes into contact with the resist member 3j, and the leading edge is positioned, and the skew is corrected.

Next, in steps S18 to S320, the DC motor 11
is reversely driven to return the direct-acting cams 13 and 14 to the switch r (1 position). As a result, the gripper 5 grips the leading edge of the recording sheet I on the platen 4, and the feeding base plate 3I moves down. The member 3j goes down and the ejection lever 9
a goes up.

Next, step 521. At 322 St Momo-1
5 is reversely driven to set the CP of the clutch means 16 to r□.

, and recording is performed in step S23.

Assuming that the recording subroutine performs color recording in the order of yellow, magenta, and cyan, as shown in FIG. 25, step 551. In S52, the St momo-15 is driven forward to rotate the platen 4 by a predetermined amount, and the leading edge of the recording sheet l is conveyed to a predetermined position to locate the beginning of the recording sheet for recording.

Next step 353. At step 354, the St momo-15 is reversely driven, the CP of the clutch means 16 is switched to r53, and the winding gear 16e and the planetary gear are engaged.
In steps 55 to S57, the St momo-15 is driven in normal rotation to move the ink sheet 7 onto the take-up reel 6e until the ink sensor S detects the yellow Y tip mark 7a of the ink sheet 7.
The beginning of the ink sheet 7 is determined by winding it up.

Next, step S58. At S59, the DC motor 11 is driven in reverse, and the rotation sensor Ss switches the switch "-!
Rotate the rotary cam 12 to 1 and head down the rad 8 for recording.

Next, in steps S60 to S65, St Momo-1
5 is reversely driven to switch the CP of the clutch means 16 to r7J to engage the planetary gear with the platen gear 16c and take-up gear 16ε, and then the St motor 15 is driven forward to rotate the platen 4 and the take-up gear 6e. are rotated in the directions of arrows a and g in FIG. 2, respectively, and conveyed with the recording sheet 1 and ink sheet 7 in pressure contact, and the heating elements of 7 and 8 are caused to generate heat according to the image signal. First, yellow recording is performed.

When the yellow recording is completed, steps 366-36
In step S69.8, the DC motor 11 is driven in the normal rotation to rotate the rotary cam 12 up to the switch rlJ to move the rad 8 up for recording, and then in step S69. St Momo-1 in S70
5 is reversely driven to switch the CP of the clutch means 16 to rQl to engage the platen gear 16c and the planetary gear.

Next, the process returns to step S51 and magenta recording and cyan recording are repeated in the same manner.

Color recording of yellow, magenta, and cyan is performed on the recording sheet 1 by the recording subroutine.

After the color recording is completed as described above, the process moves to steps 524 to S26 in FIG. 24, and the DC motor 11 is driven in normal rotation to slide the linear drive cams 13 and 14 to the switch rJ position. do. This causes the ejection lever 9a to move down.

Next, step S27. After driving the St momo-15 in reverse at step 328 and switching the clutch means 15 to the CP rlJ position, step s29. s30? st motor!
5 in normal rotation to rotate the platen 4 and the feeding belt 3C. At this time, when the gripper 5 of the platen 4 rotates to a predetermined position, the cam protrusion 5b6 appears as shown in FIG.
is the second engaging portion 25b of the gripper cam 25! As a result, the recording sheet 1 is released from being gripped by the gripper 5. When the platen 4 further rotates, the image shown in Fig. 7 (
As shown in B), the locking protrusion 5ba of the gripper 5 locks with the circular groove 4b of the platen 4, and the sheet is maintained in the released state. Therefore, from now on, only the platen 4 will rotate while the gripper 5 remains as it is.

The recording sheet 1 whose leading end has been released from gripping by the gripper 5 is discharged and conveyed by the cooperative action of the platen 4 and the pinch roller I8. At this time, the leading edge of the recording sheet 1 is held as shown in FIG. It is guided by the guide portion 6n on the lower surface of the ink cassette 6, and the ejection lever 9a
is guided to the discharge port 10 by. As described above, in this embodiment, since the ink cassette 6 functions as a sheet guide when discharging the recording sheet i, the guide member for guiding the upper surface of the recording sheet l is attached to the platen 4.
There is no need to provide it nearby, and as a result, the number of parts can be reduced, the cost of the device can be reduced, and space can be saved, making it possible to downsize the device.

Furthermore, when discharging the sheet, after the leading edge of the recording sheet 1 is guided to the discharging side by the discharging lever 9a, in steps 331 to S33, the DC motor 11 is rotated by a predetermined amount (
time control) to rotate the rotating cam 12 by a certain amount,
As shown in FIG. 19, lower the recording pad 8 to a position approximately halfway between the up state and the down state, and in this state the platen 4
When the recording sheet 1 rotates, the recording sheet 1 whose leading end is released from gripping by the gripper 5 is held down by the recording pad 8, so that it is ejected without loosening.

That is, during the ejection, the recording pad 8 and the ink cassette 6 function as guide members for the recording sheet l, and as a result, the recording sheet l can be reliably moved without providing a special guide member around the platen 4. will be discharged.

Furthermore, in step 334, the recording sheet 1 is conveyed by a predetermined amount by driving the St momo--15, and after the leading edge of the recording sheet 1 is caught on the feed/discharge bell 3c, the process proceeds to step 335.
In step 336, the St momo-15 is driven in reverse to switch the CP of the clutch means 16 to r24, and then in steps 337 to 339, the st momo-15 is driven in forward rotation to turn only the supply/discharge belt 3c. The recording sheet 1 is ejected by rotation and cooperation with the guide member 9b which is pressed against the belt 3c by its own weight.

After the recording sheet 1 is ejected as described above, in steps S40 to S342, the DC motor 11 is driven in normal rotation to slide the direct drive cams 13 and 14 to the switch "I" position, and then the next step is performed. In step S43. St Momo in S44
-15 is reversely driven to set the CP of the clutch means 16 rQ)
After switching to the position of St, in steps 345 to S47
Drive the momo-15 in forward rotation. When the platen 4 rotates to a predetermined position, the tension spring 5c of the gripper 5 engages the locking protrusion 5 as shown in FIG. 7(A).
b falls into the locking groove 4b of the platen 4, and the Grishi bar 5 and the platen 4 come to rotate integrally. The recording operation is completed as described above.

Incidentally, if a jam occurs during the recording operation, the platen 4 is brought into a free state by turning on the platen free switch mentioned above.

As described above, with the configuration of this embodiment, it is possible to perform color recording in accordance with image signals from video equipment or the like using a miniaturized device.

Incidentally, in the above-mentioned embodiments, a video signal was used as an example of the image signal, but it goes without saying that the image signal may be, for example, a read signal or an output signal from a computer.

<Effects of the Invention> As described above, in the present invention, since the ink cassette is configured so that the conveying path of the ink sheet is curved, when the ink cassette is loaded into a recording device and used, the ink sheet does not move around the platen, for example. It will be transported along the Therefore, the ink cassette space within the printing apparatus is not wasted, and the printing apparatus using this ink cassette can be downsized.

[Brief explanation of the drawing]

FIG. 1 is an external perspective view of a recording device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the device in a recording state, FIG. 3 is an exploded view of main parts, and FIG. 4 5 is an explanatory diagram of the configuration of the supply belt and separation roller, FIG. 5 is an explanatory diagram of the state in which the resist member is in pressure contact with the platen, FIG. 6 is an explanatory diagram of the configuration of the gripper, and FIGS. 7(A) and (B) are the gripper. 8FpJ (A) to (C) are diagrams explaining the state of the pinch roller as the gripper rotates. Figures 9 (A) and (B) are the recording head and the heat dissipation member. Fig. 10 is an explanatory diagram of the ink sheet, Fig. 11 (
A) and (B) are explanatory diagrams of the ink cassette, Fig. 12 is an explanatory diagram of the ejection guide, Fig. 13 is an explanatory diagram of the relationship between the rotary cam, the recording head, and the direct-acting cam, and Figs. 14 to 19 are the rotational cams. 20 and 21 are explanatory views of the structure of the clutch means;
FIG. 22 is a graph showing the rotation speed and torque characteristics of the St motor, FIG. 23 is a block diagram of the control system, and FIGS. 24 and 25 are flow charts showing the operating procedure. 1 is a recording sheet, 2 is a cassette, 2a is a case, 2b is a sheet pushing member, 3 is a supply means, 3a+, 3a! l
3a2 is a shaft, 3b+, 3bt, 3bs are supply/discharge rollers 1. . 3C is the supply/discharge belt, 3d is the shaft, 3e is the separation roller, :J
rl, 3ft is tension spring, 3g+,
3g, c pulley, 3h is a rubber belt, 31 is a feeding base plate, 3'In 3tl is a locking member, sin is a connecting member,
3in is a sheet push-up member, 3is is a shaft, 35a is a cam projection, 3j is a resist member, 3jl is a rotating plate, 3jx,
3 jx is a side plate part, 3Js is a shaft, 3js is a pressure contact member, 3Jh is a cam projection, 4 is a platen, 4a is a platen shaft, 4b is a circular groove, 4br is a locking groove, 4C is a tension spring, 5 is a gripper-15a is the lower plate, 5a+ is the round hole,
5ag is a guide hole, 5as is a slide projection, 5b is a grip plate, 5b+ is a grip part, 5b is a side part, 5bs is a long hole, 5ha is a locking projection, 5b is a slide hole, 5b,
is a cam projection, 5C is a tension spring, 6 is an ink cassette, 6a is a container body, 6b is a lid body, 6C is a supply reel, 6d is a storage section, 6e is a take-up reel, 6'' is a storage section,
6 g++ 6 gt is tsuba, 6 gm is locking protrusion, 6 h
is a pressing spring, 6i is a locking groove, 6j is a guide member,
skl, 6kg is a window, 61 is a reflective plate, 6m is an engaging protrusion, 6n is a guide part, 7 is an ink sheet, 7a is a mark, 8 is a recording head, 8a is a substrate, 8b is a door 5,
8C is the arm shaft, 8d is the heat dissipation member, 8tr is the fin,
9 is a discharge means, 9a is a discharge lever, 9a+ is a shaft, 9a
l+ 9 as is a lever member, 9a4 is a tension spring, 9as is a cam projection, 9b is a guide member, 9b+
10 is a shaft, 10 is a discharge part, 11 is a DC motor, 12 is a rotary cam, 12a, 12b are cam grooves, 13 is a first linear force arm,
13a is a first engagement part, 13b is a second engagement part, 13c is a second engagement part, 13d is a fourth engagement part, 13e+, 13ag
13f is a horizontally elongated hole, 13f is a vertically elongated hole, 13g is a cam groove, 13h is an upright portion, 14 is a second linear cam, 14a is an engaging portion, 14b
+, 14bz is a horizontally long hole, 14c is a vertically long hole, 14d is a cam groove, 15 is St momo--, 16 is a clutch means, 16
a is the sun gear, 16b+, 16bz, 16b is the planetary gear, 16c is the platen gear, 16d is the supply/discharge gear, 1
6e is the winding gear, 16f is the platen lock gear, 16g
1 is a rotation locking plate, 16a+ is a locking portion, 16h is a planetary shaft, 1
6i is the clutch chassis, 16J is the shaft, 16 is the key-shaped plate, 161 is the locking protrusion, 16m is the tension spring,
16n is the sun axis, 16o is the pressing spring, 16p, 1
6q is a washer, 16r is a sensor plate, 16r is a mark, 16S is a gear train, 16t is a stop ring, 17a
, 17b is a side wall chassis, 17c is a long hole, 18 is a pinch roller, 18a is a roller shaft, 18b is a tension spring, 19 is a shaft, 20 is a head moving plate, 20a is a shaft, 20
b is a cam projection, Sl is a sheet tip detection sensor, St is an ink sensor, S is a linear cam sensor, S is a clutch sensor, S is a rotation sensor, 21a, 21b are shafts, 22a, 22b are shafts, 23 is a cam moving plate, 23a is a protrusion, 23b is a cam protrusion, 24 is a shaft, 25 is a gripper
A cam, 25a is a shaft, 25bl is a first engagement part, 25bt is a second engagement part, 25c is a cam projection, 26 is a contact, 27 is an engagement recess, 3° is a control part, 30a is a CPU, 30b is a cam R
OM, 30c is a RAM, 30d is a counter, 31 is an interface, 32 is an operation panel, 33, 34 is a motor driver 35 is a head driver, and 36 is an image signal generator.

Claims (3)

[Claims] (1) A supply reel capable of supplying an ink sheet, a take-up reel for winding up the ink sheet supplied from the supply reel, and a container for holding the supply reel and the take-up reel. , An ink cassette characterized in that the container is bent. (2) The ink cassette according to claim (1), wherein a guide member for guiding the conveyance of the ink sheet is attached to the bent portion of the container so that the conveyance path of the ink sheet is bent. (3) a loading section for loading the ink cassette according to claim (1); a recording head for heating the ink sheet accommodated in the ink cassette according to an image signal; and heating by the recording head. A recording apparatus comprising: a conveying means for conveying a recording sheet to which ink of the ink sheet is transferred;