JPH06981A - Recording device - Google Patents

Abstract

PURPOSE:To enable to use a means for driving at low torque, and prevent the subject recording device from becoming large-sized without increasing the cost by driving a means for transporting a recording medium and a means for supplying a recording medium using the first drive means, and driving a means for transporting an ink sheet and a means for adjusting a pressure contact force using the second driving means. CONSTITUTION:A platen motor 39 as the first driving means rotates a platen roller 10b and a discharge roller 12a as a means for transporting a recording medium, with a concurrent action to support a recording sheet 2 at an opposite position to a recording head 10a in a one-way rotating direction. In addition, the platen motor 39 rotates a sheet feed roller 3 and a feed roller 5a as a means for feeding a recording medium which feeds the recording sheet 2 in the other way rotating direction. Further, an ink sheet motor 40 as the second driving means rotates a capstan roller 32 and a take-up reel 27 as a means for transporting an ink sheet, and drives a means for adjusting a pressure contact force in the other way rotating direction to adjust the pressure contact force of the recording head 10 to the platen roller 10b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording apparatus for transferring an ink contained in an ink sheet onto a recording medium to record an image on the recording medium.

[0002]

2. Description of the Related Art Today, with the development of information processing systems,
Various information processing devices have been developed. Among these devices, recording devices such as facsimile machines and printers are widely used not only in offices but also in general households.

In order to facilitate miniaturization in these facsimiles and the like, a so-called heat-sensitive recording system using a heat-sensitive sheet that develops color when heated is generally used, but in recent years, an ink sheet is used. Facsimile devices related to the so-called thermal transfer recording system have also been developed. For example,
As shown in FIG. 20, an ink sheet 100 having a base film coated with ink is wound around a supply reel 101 and a take-up reel 102, and is loaded into the apparatus main body.

First, as a pre-stage of recording, the paper feed roller 103
Thus, the topmost recording sheet 104 is fed out. At this time, the spring 106, which presses the recording head 105, releases the pressing force to the recording head 105 by a mechanism (not shown). The uppermost recording sheet 104 is a feed roller pair 107a,
It is further conveyed by 107b, and the leading end of the recording sheet 104 is thrust between the platen roller 108 and the ink sheet 100. In this state, the spring 106 is set by a mechanism (not shown) so that the pressure contact force of the recording head 105 becomes a predetermined force. During recording, the ink sheet 100 is conveyed by the conveyance rollers 109a and 109b that are driven to rotate, and the recording sheet 104 pressed against the recording head 105 is conveyed by the platen roller 108 while the recording head 105 responds to the image signal. The image information is recorded by generating heat. The recording sheet 104 on which the image information is recorded is conveyed outside the apparatus by the discharge roller pair 110a and 110b.

The drive sources of the above-mentioned thermal transfer recording type facsimile apparatus include a first motor for driving the platen roller 108, a second motor for driving the conveying roller 109a for conveying the ink sheet 100, and the recording sheet 104. It is composed of a total of three motors, that is, a third motor for driving the feeding roller 103 for feeding out and for driving the mechanism for releasing the pressure contact force of the spring 106.

Further, the platen roller 108 and the conveying roller 109a for conveying the ink sheet 100 are driven by one motor to feed the recording sheet 104.
In some cases, a total of two motors are used, in which the drive of 103 and the drive of the mechanism for releasing the pressure contact force of the spring 106 are driven by another motor.

[0007]

However, in the above-mentioned conventional example, a device having three motors as a drive source requires three motors and a drive circuit for the three motors. There are problems that the cost of the motor and the circuit for driving the motor is increased and the miniaturization of the device is hindered.

Further, in the above-mentioned conventional example, the device having two motors as the drive source requires only two motors, so that the above problem can be solved, but the platen roller 108 and the conveying roller at the time of recording are solved. Since a large load is applied to each of the 109a, the platen roller 108 and the conveying roller 109a are set to one.
A motor that generates a large torque is required to drive the two motors at the same time, which may increase the cost and size of the motor alone.

Further, in the above-mentioned thermal transfer recording type facsimile apparatus, in order to align the front end of the recording sheet 104 with the recording position, the front end of the recording sheet 104 is connected to the platen roller 108 and the recording head 105. It is necessary to move the recording head 10 in between.
By releasing the force of the spring 106 that presses 5 on, it is possible to more easily and stabilize the operation, but since the point of action of the force that presses the recording head 105 is at one or more locations, Spring 106 disposed near the point of action
There is a problem in that each drive system is required to move each of the press positions from the press position to the press release position, leading to an increase in the size of the device and a cost increase.

Therefore, an object of the present invention is to use two motors as drive sources, and to drive the recording sheet conveying means and the ink sheet conveying means by different motors, respectively.
A motor having a low torque can be used, and the recording apparatus can be downsized and the cost can be reduced.

Another object of the present invention is to simplify the mechanism for applying and releasing the pressure contact force to the recording head, to reduce the size of the apparatus and to reduce the cost.

[0012]

A means for solving the above problems and applied to the embodiments described below is a recording apparatus for recording the image on the recording medium by transferring the ink contained in the ink sheet to the recording medium. A recording means for applying energy to the ink sheet to perform recording on a recording medium, an ink sheet conveying means for conveying the ink sheet, and a recording medium for supplying the recording medium to the recording means. A recording medium feeding means, a recording medium conveying means for carrying the recording medium while supporting the recording medium at a position opposed to the recording means, a pressure contact means for applying a pressure contact force to the recording means, and the pressure contact means. Pressure contact force adjusting means for adjusting the pressure contact force of the recording means with respect to the recording medium conveying means, the recording medium conveying means, the recording medium supplying means, and the ink sheet conveying A step and first and second driving means for driving the pressure contact force adjusting means, and the recording medium conveying means and the recording medium supplying means are driven by the first driving means, and the ink sheet conveying means And the pressure contact force adjusting means is driven by the second driving means.

The recording medium conveying means and the press contact force adjusting means are driven by the first driving means, and the ink sheet conveying means and the recording medium supplying means are driven by the second driving means. Is characterized by.

The recording medium conveying means, the recording medium supplying means and the pressure contact force adjusting means are driven by the first driving means, and the ink sheet conveying means is driven by the second driving means. Is characterized by.

The pressing means has a shaft, at least one pressing member supported by the shaft, and a spring acting on each of the pressing members, and the pressing member is attached to the shaft. The shaft is supported while having a play in the circumferential direction, and the shaft is configured to rotate by the pressure contact force adjusting means.

[0016]

According to the present invention, the driving of the recording medium conveying means and the recording medium supplying means are performed by the first driving means, and the driving of the ink sheet conveying means and the pressure contact force adjusting means are performed by the second driving means. With this configuration, it is possible to drive the recording medium transporting means and the ink sheet transporting means by different driving means while using the two driving means as driving sources, and drive with even lower torque. The means can be used.

Further, according to the present invention, the first driving means drives the recording medium conveying means and the pressure contact force adjusting means, and the second driving means drives the ink sheet conveying means and the recording medium supplying means. By doing so,
It is possible to drive the recording medium transporting means and the ink sheet transporting means by separate driving means while using two driving means as driving sources, and it is possible to use a driving means having a lower torque. Becomes

Further, according to the present invention, the first driving means drives the recording medium conveying means, the recording medium supplying means, and the pressure contact force adjusting means, and the second driving means drives the ink sheet conveying means. Since the driving means is used, the driving of the recording medium conveying means and the driving of the ink sheet conveying means can be performed by different driving means while using two driving means as driving sources, and the torque is further increased. It is possible to use a driving means having a low value.

Further, according to the present invention, it is possible to adjust the pressure contact force of the recording means by rotating the shaft that supports at least one pressing member with play.
Further, since the pressing member has a play with respect to the shaft, it becomes possible to apply only the biasing force of the spring acting on each of the pressing members to the recording means at the pressing position, and the pressing member at the pressing releasing position. It is possible to separate the recording means.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a recording apparatus to which the above means is applied will be described below with reference to the drawings.

[First Embodiment] A recording apparatus B according to this embodiment is configured as a recording system of a facsimile apparatus.
It is generally called a thermal transfer recording device. 1 is an explanatory view of the entire structure of the facsimile apparatus, FIG. 2 is an external perspective view thereof, FIG. 3 is a sectional view of an ink sheet, and FIG. 4 is an exploded view of an ink sheet cartridge.

(Description of Entire Facsimile) First, the overall configuration of the facsimile will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, this facsimile apparatus has a paper feed system A for supplying recording sheets, a recording system B as a recording device, a reading system C for reading an image written on a document, an operation section D, and It is constituted by the loaded ink sheet cartridge E.

[Paper feeding system] The paper feeding system A is for feeding the recording sheets 2 placed in the paper feeding cassette 1 one by one in a paper feeding section consisting of a paper feeding roller 3 and a paper feeding piece 4 in pressure contact with this. Separate feed,
The recording sheet 2 is conveyed by a pair of feed rollers 5a and 5b and supplied to a recording system B described later. Further, the conveyance path of the recording sheet 2 forms a semicircular path which turns the recording sheet 2 upside down by the guides 6a and 6b. Further, near the front of the recording system B, a recording sheet front end sensor 7 such as a photo sensor for detecting the front end position of the recording sheet 2 and a micro switch is provided. The paper feed cassette 1 is provided so as to be attachable to and detachable from the apparatus main body 8, and also includes a paper feed roller 3, a paper feed piece 4, and feed roller pairs 5a, 5
b, the guides 6a and 6b, and the recording sheet leading edge sensor 7 are provided in the apparatus main body 8, respectively.

{Recording system} The recording system B forms an image on the recording sheet 2 supplied by the paper feeding system A in accordance with an image signal transmitted from another machine or an image signal transmitted from a reading system C described later. To record. That is, the polymerized recording sheet 2
And the ink sheet 9 are pressed toward the platen roller 10b by a recording head 10a which constitutes a recording means 10 described later,
By rotating the platen roller 10b in the direction of the arrow in FIG. 1, the recording sheet 2 is conveyed in the direction of arrow a, and the ink sheet 9 is conveyed in the direction of arrow b by a drive mechanism described later. In synchronization with the conveyance of the recording sheet 2 and the ink sheet 9, the recording head 10a is caused to generate heat in accordance with an image signal to melt the ink applied to the ink sheet 9 (including sublimation,
The same applies hereinafter) and the melted ink is transferred to the recording sheet 2 to form an image.

The recording sheet 2 on which a predetermined image is formed
Is further conveyed in the direction of the arrow a, passes through the path formed by the discharge guides 11a and 11b, and is conveyed by the pair of discharge rollers 12a and 12b to be discharged to the outside of the apparatus. Also, the discharge roller pair
Near the front of 12a and 12b, a recording sheet discharge sensor 13 such as a photo sensor for detecting passage of the recording sheet 2 and a micro switch is provided. The platen roller 10b, the discharge guides 11a and 11b, the discharge roller pairs 12a and 12b, and the recording sheet discharge sensor 13 are provided in the apparatus main body 8, respectively.
Further, the ink sheet 9 is housed in an ink sheet cartridge E having a configuration described later in this embodiment, the ink sheet cartridge E is loaded in a predetermined position of the apparatus main body 8, and the recording head 10a has a rotating shaft. It is provided at a predetermined position of a recording cover 15 as a lid configured to be rotatable via 14.

[Reading system] On the other hand, the reading system C irradiates the original 16 with light and converts the reflected light into an electric signal, and transmits this signal to another device according to the operation mode, or its own recording system. B
To be transmitted to. That is, a plurality of originals 16 are placed on the original placing table 15a formed on the upper surface of the recording cover 15, and the originals 16 are pre-conveyed by the pre-conveying roller 17a and the pressing piece 17b, and the separating roller 18a and the pressing roller 17a are pressed. Pressure piece
The original 16 is separated and fed one by one by 18b, and the original 16 is conveyed by the pair of conveying rollers 19a, 19b and the pair of discharging rollers 20a, 20b and discharged to the discharge tray 21.
Then, while the document 16 is being conveyed, image information is read by the photoelectric conversion element 22 such as a contact sensor, and the image signal is transmitted to its own recording system in the copy mode, and is transmitted to another device in the transmission mode. It is configured to be transmitted to the recording system.

[Operation Unit] The operation unit D is a panel for performing the mode switching operation, the copy operation, the transmission operation, etc., as shown in FIG. 2, and is provided with keys corresponding to various operations. . The operation section D is provided above the document conveying mechanism in the reading system C, and is rotatable with respect to the apparatus body 8. A handset 23 of a telephone for transmission / reception is provided on one end side of the operation unit D. Incidentally, in FIG. 1, reference numerals 24a and 24b are electrical equipment substrates.

Next, the construction of each part of the sheet feeding system A, the recording system B, the ink sheet cartridge E and the like will be specifically described.

(Paper feed cassette) The paper feed cassette 1 comprises a box-shaped orchest 1a for accommodating a plurality of recording sheets 2, an intermediate plate 1b, an upper guide 1c and a lid 1d. A predetermined amount is placed between 1b and the upper guide 1c. The middle plate 1b is rotatably provided on the lower surface of the placed recording sheet 2 with one end as a fulcrum, and is pushed up by a pushing-up plate 25 described later to bring the uppermost recording sheet 2 into pressure contact with the paper feed roller 3. It is a thing. Further, the upper guide 1c is fixed at a predetermined position so that the uppermost recording sheet 2 is always kept at the predetermined position.

The push-up plate 25 is rotatably supported by the main body 8 of the apparatus, and a rotational force is applied in a direction to push up the intermediate plate 1b by a force of a spring or the like (not shown).
Therefore, as the number of the placed recording sheets 2 decreases, the intermediate plate 1b is rotated by the rotational force of the push-up plate 25, and the uppermost recording sheets 2 are sequentially conveyed. Lid 1d
Is detachably provided on the upper surface of the pocket 1a, prevents dust from adhering to the recording sheet 2, and also functions as a tray for placing the recording sheet 2 discharged to the outside of the apparatus after recording is completed. As shown in FIG. 2, the end and side of the lid 1d are slanted to stabilize the placement of the recording sheet 2, and the center of the lid 1d holds the pocket 1a when the sheet cassette 1 is attached or detached. Notches are provided to make it easier to hold.

Further, the paper feed cassette 1 is provided so as to be attachable / detachable to / from the apparatus main body 8. The sheet cassette 1 is detached from the apparatus main body 8 by pulling it out to the left in FIG. While being guided by the guide portions 8b and 8c, the apparatus main body 8 is mounted at a predetermined position (position shown in FIG. 1).

(Paper Feed Unit) The paper feed roller 3 is a roller made of a material having a high friction coefficient such as silicon rubber, and has an arc portion 3a and a flat portion 3b, and rotates in the direction of the arrow in FIG. By doing so, the uppermost recording sheet 2 in the paper feed cassette 1 is fed out. Further, circular rollers (not shown) having substantially the same outer diameter as the circular arc portion 3a are provided at both ends of the paper feed roller 3. The sheet feed piece 4 rotatably supports a sheet portion 4a such as urethane rubber containing cork by an arm portion 4b, and is pressed toward the sheet feed roller 3 by a spring or the like (not shown). Therefore, when the arc portion 3a is in a position facing the sheet portion 4a, the paper feed piece 4 is in pressure contact with the arc portion 3a of the paper feed roller 3. On the other hand, the flat portion 3b is the seat portion 4
When it is in a position facing a, the paper feed piece 4 is in pressure contact with the circular rollers (not shown) at both ends of the paper feed roller 3a, and the recording sheet is placed between the paper feed roller 3 and the paper feed piece 4. A space through which 2 passes is formed.

In the recording standby state, the sheet feeding roller 3 is at a position where the flat surface portion 3b faces the recording sheet 2 and the sheet feeding piece 4 (the position shown in FIG. 1, hereinafter referred to as the sheet feeding standby position). When the sheet feeding roller 3 is rotated in the direction of the arrow in FIG. 1 by a drive source described later, the arc portion 3a comes into contact with the recording sheet 2 to feed the uppermost recording sheet 2. At this time, when a plurality of recording sheets 2 are fed out, the lower recording sheet 2 is prevented from being conveyed by the contact friction with the sheet portion 4a, so that only the uppermost recording sheet 2 is fed by the feed roller pair 5a. , 5b, and thereafter the recording sheet 2 is conveyed by the feed roller pair 5a, 5b. The paper feed roller 3 rotates once by a clutch means such as an electromagnetic clutch, and then stops rotating at the paper feed standby position described above. Therefore, the recording sheet 2 is conveyed to the recording system B by the pair of feed rollers 5a and 5b without coming into contact with the paper feed roller 3.

(Recording Sheet) As the recording sheet 2, it is possible to use plain paper, a plastic sheet or the like and other materials that can transfer ink. In this embodiment, plain paper cut into B4 size or A4 size is used as the recording sheet 2. The paper feed cassette 1 containing the recording sheet 2 is stored in a predetermined position (position shown in FIG. 1) of the apparatus body 8. Further, in this embodiment, the recording sheet 2 is used to reduce the running cost.
A so-called multi-printing method is adopted in which recording is performed by making the conveying speed of the ink sheet 9 slower than the conveying speed of.
In this multi-print method, the conveyance length L _{P of} the ink sheet 9 is larger than the conveyance length L _P of the recording sheet 2 at the time of recording.
Short _I, performs recording as _{(L P / L I = n} > 1). In this way, the conventional recording method to the conveying length is the same of the recording sheet 2 and the ink sheet 9 (L _P /
The use efficiency of the ink sheet 9 can be n times as high as that of L _I = 1).

(Ink Sheet) The ink sheet 9 is configured so that ink transfer can be performed n times in the same portion in order to perform multi-printing as described above. Therefore, in this embodiment, as shown in FIG. 3, four layers, that is, the first heat-resistant coating layer 9a, the second base film layer 9b, the third ink layer 9c, and the fourth top coating layer 9d are used. It is composed.

The heat-resistant coating layer 9a protects the base film layer 9b from the heat of the recording head 10a which is a thermal head. This heat-resistant coat layer 9a is suitable for multi-printing in which heat energy for n lines may be applied to the same place (when heat generation information is continuous), but whether or not to provide this heat-resistant coat layer 9a May be appropriately selected according to the recording method. It is effective to provide the heat resistant coat layer 9a on a base film having a relatively low heat resistance such as a polyester film.

The second base film layer 9b serves as a support for the ink sheet 9, and in the case of multi-printing, thermal energy is applied to the same location many times, so that
Aromatic polyamide film and capacitor paper, which have high heat resistance, are advantageous, but conventional polyester film can also be used. It is advantageous in terms of printing quality that these thicknesses are as thin as possible from the role of a medium, but strength must be taken into consideration and about 3 to 8 μm is preferable.

The third ink layer 9c is the recording sheet 2
Is a layer containing an amount of ink capable of being transferred n times. This ink component is a resin such as EVA as an adhesive, carbon black or nigrosine dye for coloring,
Carnauba wax, paraffin wax, etc. as a binding material are used as a main component, and they are blended to withstand use n times at the same location. The different sensitivity and concentration by the coating amount of the ink layer 9c, which may be arbitrarily selected ^{but, 4g / m 2 ~9g / m} 2 is preferably about.

The fourth top coating layer 9d is a non-recording portion, and the third ink layer 9c is formed on the recording sheet 2.
To prevent pressure transfer of the toner, and is generally composed of a transparent wax or the like. As a result, only the transparent top coating layer 9d is pressure-transferred to the recording sheet 2 in the non-recording portion, and the background stain of the recording sheet 2 is prevented.

The constitution of the ink sheet 9 is not limited to that of this embodiment, and for example, a base layer serving as a support and a porous ink holding layer containing ink provided on one side of the base layer. Or a heat-resistant ink layer having a fine porous network structure formed on a base film, and the ink is contained in the ink layer. Examples of the material of the base film layer 9b include polyimide, polyethylene, polyester,
It may be a film made of polyvinyl chloride, triacetyl cellulose, nylon or the like, or paper. Further, the heat-resistant coating layer 9a is not always necessary, but as the material thereof, for example, silicone resin, epoxy resin, fluororesin,
It may be etrocellulose or the like. Further, as an example of the ink sheet 9 having the heat sublimation ink, spacer particles and dye formed of guanamine-based resin and fluorine-based resin on a base material formed of polyethylene terephthalate, polyethylene naphthalate, aromatic polyamide film or the like. An ink sheet provided with a color material layer containing is included. In this embodiment, the ink sheet 9 is loaded in the ink sheet cartridge E in order to facilitate handling.

{Ink Sheet Cartridge} As shown in FIG. 4, the ink sheet cartridge E comprises a supply reel 26 serving as a first winding member and a take-up reel 27 serving as a second winding member. The ink sheet 9 is loaded by mounting the ink sheet 9 at the position and stretching the ink sheet 9 wound around the supply reel 26 to the take-up reel 27 side.
By using this ink sheet cartridge E, the ink sheet 9 for the recording system B can be extremely easily
In addition, it can be loaded reliably and stably. When the ink sheet 9 is used up, the ink sheet cartridge E is discarded together with the ink sheet 9. That is,
Since the ink sheet cartridge E is disposable,
It is required to be able to provide at low cost. Next, the configuration of each part of the ink sheet cartridge E will be specifically described.

(Frame) The frame 28 in this embodiment has a first casing 28a and a second casing 28b ultrasonically welded together. That is,
As shown in FIG. 4, the welded portions 28c1 and 28c2 of the connecting portion between the first casing 28a and the second casing 28b are ultrasonically welded to each other, and the welded portions 28a1 are formed at substantially the front and side ends of the first casing 28a. , 28a4 and the welded portions 28b1 and 28b6 formed at the approximately tip and side edges of the second housing 28b are ultrasonically welded. The welded portions 28a1, 28b1 and 28c1, 28c2 may be formed over the entire length or may be formed intermittently with a predetermined length in the ink sheet width direction. The molding material of the frame 28,
It is possible to use resins such as polypropylene resin and ABS resin. In the frame 28, a window 28d for inserting the recording head 10a is formed in the substantially center of the first housing 28a as shown in FIG. 4, and a window 28d is formed in the substantially center of the second housing 28b. A window 28e for inserting the platen roller 10b is formed, and a notch 28e1 for escaping the shaft portion 10b1 (see FIG. 1) of the platen roller 10b is formed continuously with the window 28e.

Side plates 28a2 and 28b2 are formed upright on both side surfaces of the first casing 28a and the second casing 28b, respectively, and the welded portions 28c1, 28c2 and the open side are respectively 1/4 yen. A curved surface is formed. A fitting hole 28a3 is formed in the welded portion 28a1 formed at the open side curved surface end of the first housing 28a, and a welded portion formed at the open side curved surface end of the second housing 28b.
28b1 is formed with a fitting protrusion 28b3 which is fitted into the fitting hole 28a3. Furthermore, when the ink sheet cartridge E is attached to the apparatus main body 8 on the open side curved surface of the second housing 28b,
A locking protrusion 28b4 that engages with a U-shaped groove (not shown) provided on the main body 8 is formed. Side plate 28b2 of the second housing 28b
Guide pins 28f that serve as guides when the ink sheet cartridge E is attached to the apparatus main body 8 are formed at predetermined positions on both sides of.

A U-groove 28 that fits with a bearing 29a mounted on one end of the supply reel 26 is provided at a predetermined position of the side plates 28a2, 28b2.
g1 and a square groove 28 for fixedly supporting the shaft 30a of the slip clutch 30 attached to the other end of the supply reel 26 as described later.
g2 is formed. Further, the side plates 28a2, 28b2 have a U-groove 28g3 fitted with a bearing 29b mounted on one end of the take-up reel 27.
As described later, a U groove 28g4 into which the shaft portion 31a of the slip clutch 31 attached to the other end of the take-up reel 27 is fitted is formed. Further, the side plates 28a2 and 28b2 have bearings 32a of a capstan roller 32, which serves as an ink sheet conveying member described later.
U-grooves 28g5 and 28g6 are formed to fit in. Further, an opening 28h for exposing the reel gear 33 of the take-up reel 27 is formed in the second housing 28b.

(Supply Reel and Slip Clutch) The supply reel 26 is for winding the ink sheet 9.
As shown in FIG. 4, this is because the flange 26b1 is provided at both ends of the reel shaft 26a having a length substantially the same as the width of the ink sheet 9.
26b2 is provided, a bearing 29a is loaded on one flange 26b1 side, and a slip clutch 30 which is a tension applying means is attached to the other flange 26b2 side. The slip clutch 30 is for applying back tension to the ink sheet 9 drawn from the supply reel 26. As shown in the exploded view of FIG. 5 (a) and the sectional view of FIG. 5 (b), this slip clutch 30 is mounted so that a spring 30b is tightened on a shaft 30a having two-sided ends. A hook portion 30b1 is formed on the spring 30b. Then, the shaft 30a to which the spring 30b is attached is inserted into the through hole 30c1 of the collar 30c, and the E ring 30d is attached to the tip of the shaft 30a to prevent the shaft 30a from coming off. At this time, the hook portion 30b1 of the spring spring 30b is a recess formed in the through hole 30c1.
Attach it so that it will lock to 30c2. Further, the flange 30c is fitted into a hollow reel shaft 26a, and a convex portion 30c3 protruding from the outer peripheral portion of the flange 30c is formed in a U-shaped groove 26 at the end of the reel shaft 26a.
Insert it into c and lock it.

In the above structure, the supply reel 26 is connected to the frame 28.
When the ink sheet 9 is pulled out with it attached to
The supply reel 26 rotates in the direction of arrow c in FIG. 5A (the direction in which the ink sheet 9 is fed). At this time, the shaft 30a is a frame
Since it fits into the square groove 28g2 of 28 and cannot rotate,
The spring spring 30b tightening the spring 30a receives a rotational force in the loosening direction, and a friction load is generated between the outer circumference of the shaft 30a and the inner circumference of the spring spring 30b. When the ink sheet 9 receives a conveying force and the supply reel 26 receives a rotational force of a predetermined torque or more, this spring load causes the spring 30b to rotate the shaft 30a.
Glide around the outer circumference while receiving the predetermined torque. Therefore, when pulling out the ink sheet 9 from the supply reel 26, a constant load is always applied, whereby back tension is applied to the ink sheet 9. Since the loose torque load of the spring spring 30b is stable in value, a stable back tension is applied to the ink sheet 9.

(Take-up reel and slip clutch) Next, the take-up reel 27 is for taking up the ink sheet 9 pulled out from the supply reel 26 during recording. As shown in FIG. 4, this is the ink sheet 9 similar to the supply reel 26 described above.
Flanges 27b1 and 27b2 are provided on both ends of a reel shaft 27a having a length substantially the same as the width dimension of the bearing, a bearing 29b is loaded on one flange 27b1 side, and a rotational force transmission limiting means is provided on the other flange 27b2 side. A slip clutch 31, which is (torque transmitting means), is attached. The slip clutch 31 is for applying a constant rotational torque to the take-up reel 27. As shown in the exploded view of FIG. 6A and the sectional view of FIG. 6B, this slip clutch 31 has a D-cut fitting portion 31.
A spring 31b is attached to the shaft 31a having a1 so as to be tightened, and a hook 31b1 is formed on the spring 31b. And the shaft portion 31 to which the spring 31b is attached
The reel gear 33 is loosely fitted to the shaft a, and the shaft 31a is held by the collar.
Insert the E-rings 31d and 31e into the through-hole 31c1 of the 31c,
Attach it to the end of 31a to prevent it from coming off. At this time, the hook portion 31b1 of the spring spring 31b is attached so as to engage with the recess 33a formed in the reel gear 33. Furthermore, the tsuba
31c is fitted into the hollow reel shaft 27a, and the convex portion 31c2 protruding from the outer periphery of the flange 31c is fitted into and locked by the U-shaped groove 27c formed at the end of the reel shaft 27a.

In the above construction, the reel gear 33 is moved in the direction of arrow d in FIG.
When 27 rotates in the direction in which the ink sheet 9 is wound up, the spring spring 31b tightening the shaft portion 31a receives a rotational force in the loosening direction, and the outer circumference of the shaft portion 31a and the spring spring 31b.
A frictional load is generated between the inner circumference of b and the inner circumference. Under the frictional load, the take-up reel 27 rotates in the direction of arrow d in FIG. 6A to wind up the ink sheet 9. When the spring 31b receives a predetermined torque or more, the spring 31b slides on the outer periphery of the shaft 31a while applying the predetermined torque. Therefore, the take-up reel 27 is always given a rotational force with a constant torque. The value of the loosening torque load of the spring spring 31b is stable as in the case of the slip clutch 30 of the supply reel 26.

In this embodiment, the supply reel 26 has a slip clutch 30 built-in, and the take-up reel 27 has a slip clutch 31.
By incorporating the above, a special space for providing the slip clutches 30 and 31 becomes unnecessary. Therefore, the gears and the like can be easily arranged in the design of the drive system, and the assemblability can be improved. Further, since the clutches 30 and 31 are exchanged together with the ink sheet cartridge E, the durability of one roll of ink sheet is sufficient.
Further, since the clutches 30 and 31 have a simple structure, they are advantageous in that they can be manufactured at a lower cost as compared with commercially available powder clutches.

Here, in the present embodiment, the take-up reel
When the ink sheet 9 is wound around 27, the end portion of the ink sheet 9 and the side of the base film 9b are attached to the outer peripheral surface of the reel shaft 27a of the take-up reel 27 by tape or the like, and the ink application surface side of the ink sheet 9 is wound. The take-up reel 27 is rotated so as to face the inside of the take-up roll.

(Capstan Roller) Next, the capstan roller 32 applies a conveying force to the ink sheet 9, and in this embodiment, it is housed in the ink sheet cartridge E as shown in FIG. There is. The capstan roller 32 is provided on the outer peripheral surface of the core portion 32b made of a metal material.
The roller portion 32c is formed by spraying and painting silicon rubber or the like, and the surface state of the roller portion is mirror-finished and the core portion is formed.
A gear 32d is fixed to the end of 32b. The capstan roller 32 has bearings 32 in U grooves 28g5 and 28g6 of the frame 28.
Although a is inserted and attached, it is attached so as to be located on the surface side of the base film 9b of the ink sheet 9 housed in the frame 28. When the ink sheet cartridge E is loaded into the recording system B for recording, as shown in FIG. 1, in the recording conveyance direction of the ink sheet 9 (direction of arrow b in FIG. 1), the downstream side of the recording means 10 In addition, the capstan roller 32 is configured to contact the base film layer 9b side of the ink sheet 9 on the upstream side of the take-up reel 27.

At the time of recording, the ink sheet 9 is conveyed by the capstan roller 32 which rotates in the direction of the arrow in FIG. In the multi-print method in which recording is performed while the recording sheet 2 and the ink sheet 9 are conveyed in opposite directions as in this embodiment, a force of about 15 kg at maximum is required as the force for conveying the ink sheet 9. There is. Therefore, in this embodiment, when the friction coefficient between the capstan roller 32 and the base film 9b of the ink sheet 9 is set to be in the range of 10 to 20, slip between the both can be prevented. In this embodiment, the friction coefficient is set to about 14.

Further, as shown in FIG. 7, a capstan roller
The larger the wrapping angle θ of the ink sheet 9 with respect to 32 is, the larger the contact area between the capstan roller 32 and the ink sheet 9 is, so that the capstan roller 32 is less likely to slip. Therefore, in this embodiment, the ink sheet 9 is not wound around the take-up reel 27 (minimum take-up roll diameter).
The winding angle θ is set to about 30 °. As is clear from FIG. 1, the ink surface of the ink sheet 9 is wound inward and the capstan roller 32 is positioned so as to contact the base film surface side. When the diameter of the take-up roll is increased by being taken up by the take-up reel 27, the winding angle θ is also increased. Therefore, as the ink sheet 9 is taken up by the take-up reel 27, the capstan roller 32 surely applies the ink sheet conveying force. The winding angle θ
Is basically the capstan roller 32 and the ink sheet 9
Should be in contact with each other, but in consideration of variations in dimensional accuracy of the recording apparatus body 8 and the ink sheet cartridge E, depending on the capstan roller diameter, 5 ° ≦
It is recommended to set it so that θ ≦ 180 °. In this embodiment, the winding angle θ is 30 ° or more and 90 ° or more due to a change in the winding roll diameter of the winding reel 27 that winds the ink sheet 9.
It is configured to change within the following range.

As described above, the capstan roller 32 having a high friction coefficient is wound around the ink sheet 9 at a predetermined winding angle θ so that the conveyance force is applied to the ink sheet 9 only by the capstan roller 32. Since it can be performed by the above, the conventional pinch roller becomes unnecessary. It should be noted that in order to improve the conveyance accuracy of the ink sheet 9, it is better that the roller portion 32c of the capstan roller 32 is less deformed. Therefore, in this embodiment, the roller portion 32c is thin so that the thickness thereof is about 75 .mu.m. As a result, the roller portion 32c of the capstan roller 32 is less likely to be deformed, and the conveyance accuracy of the ink sheet 9 is improved.

Further, in this embodiment, since the capstan roller 32 is provided in the ink sheet cartridge E,
When the cartridge E is replaced, the capstan roller 32 is also replaced. Therefore, since the durability of the capstan roller 32 is sufficient for one roll of the ink sheet, the capstan roller 32
Is easy to manufacture. When the capstan roller 32 is rotated at a constant speed, the carry amount of the ink sheet 9 depends on the roller diameter of the capstan roller 32. Therefore, particularly in the case of multi-printing, an ink sheet cartridge E containing a capstan roller 32 having a desired roller diameter is selected as the recording n value (the value of the conveyance amount of the ink sheet 9 relative to the conveyance amount of the recording sheet 2). By doing so, it is possible to deal with it easily.

(Assembly of Ink Sheet Cartridge) Next, in order to assemble the ink sheet cartridge E, a bearing 29a is attached to one end of the supply reel shaft 26a wound with the ink sheet 9 shown in FIG. Second housing 28b
The U-groove 28g1 formed on the
The shaft 30a, which has been taken on two sides, is fitted into the square groove 28g2. Further, a bearing 29b is attached to one end of the take-up reel shaft 27a,
29b is fitted into the U groove 28g3 of the second casing 28b, and a bearing (not shown) attached to the shaft portion 31a of the slip clutch 31 is attached to the U groove 28g3.
Fit in groove 28g4. And the bearing of the capstan roller 32
32a is fitted in the U grooves 28g5 and 28g6 formed in the second housing 28b. Next, the first casing 28a is opposed to the second casing 28b, and the welded portions 28a1 and 28b1 and the welded portions 28a4 and 28b6 are ultrasonically welded to each other, whereby the ink sheet 9 and the ink sheet with the capstan roller 32 are loaded. Assemble the cartridge E.

(Ink Cartridge Loading Method) This ink sheet cartridge E has a recording system B as shown in FIG.
The recording cover 15 is opened, the guide pin 28f of the cartridge base is inserted along a guide card rail (not shown) formed on the main body 8 of the apparatus, and the locking protrusion 28b4 of the tip of the cartridge is formed on the main body 8 of the apparatus. The recording system B is loaded by engaging with a U-shaped groove (not shown).

[Recording Structure] Recording in the recording system B is carried out by mounting the ink sheet cartridge E as described above and performing thermal transfer recording by the recording means 10.

(Recording Means) Next, the recording means 10 is shown in FIG.
And FIG. 8 will be described. In the recording head 10a used in this embodiment, a plurality of heating elements 10a2, which generate heat when energized, are arranged in a line on a head substrate 10a1, and the heating elements 10a2 are selectively energized according to an image signal. Is a line-type thermal head in which a head driver element 10a3 for performing the above and a protective cover 10a4 surrounding and protecting the head driver element 10a3 over the entire width direction of the recording sheet 2 are attached.

Recording head 10a which is this thermal head
As shown in FIG. 8, when the distance from the heating element 10a2 to one end of the recording head 10a in the lateral direction is L1 and the distance to the other end is L2, It is arranged at a position where the relationship of the distance is L1 <L2 (for example, L1 = 5 mm, L2 = 20 mm in this embodiment). The recording head 10a having the heating element 10a2 is
As shown in FIG. 1, the heating element 10a2 is swingably attached to a head support portion 10c provided on the recording cover 15 so that the heating element 10a2 is positioned on the upstream side in the transport direction of the recording sheet 2.
Fork members (not shown) are provided on both sides in the longitudinal direction of 10a. When the recording cover 15 is closed, the fork member engages with the shaft portion 10b1 of the platen roller 10b or a shaft (not shown) arranged at a predetermined position to engage the platen roller 10b.
It has a positioning function for setting the position of the recording head 10a with respect to b. Further, the recording head 10a used in this embodiment reproduces an image as in the prior art by changing the arrangement of the heating elements by reversing the arrangement order of the heating elements.

(Platen Roller) As shown in FIG. 1, the recording sheet 2 is provided at a position facing the recording head 10a.
A platen roller 10b is provided as a recording medium conveying means for supporting and conveying the recording medium. In the platen roller 10b, a roller portion 10b2 axially longer than the width dimension of the recording sheet 2 is formed on a shaft portion 10b1 that is rotatably attached to the apparatus body 8. One end of the shaft portion 10b1 is shown in FIG. A platen gear 48 is fixed as shown in FIG. 3, and a roller pulley 10b3 is fixed to the other end.

(Pressing Contact Means of Recording Head) Next, a pressing contact means for applying a pressing force to the recording head 10a is shown in FIG. 9 (a).
Also, a detailed description will be given with reference to FIG. The mechanism for adjusting the pressure contact force will be described later. In order to press the recording head 10a against the platen roller 10b, the pressing levers 34a, 34b, 34c as pressing members are provided on the back side of the recording head 10a.
Is rotatably provided around a rotatably supported shaft 35, and the pressing levers 34a, 34b, and 34c are rotated by springs 36a, 36b, and 36c in the direction of arrow e in FIG. Has been granted. Further, the pressing levers 34a, 34b, 34c are provided with groove portions 34a1, 34b1, 34c1, and the groove portions 34a1, 34b1,
34c1 is configured to come into contact with the pins 35a, 35b, 35c fixed to the shaft 35 with a predetermined backlash. An arm 37 is fixed to one end of the shaft 35.

Therefore, when the shaft 35 is in the position shown in FIG. 1 (that is, the positions in which the pins 35a, 35b, 35c are not in contact with the grooves 34a1, 34b1, 34c1, respectively), the pressing levers 34a, 34b, 34 are located.
c is rotated in the direction of arrow e in FIG. 1 by the force of springs 36a, 36b, 36c, and comes into contact with the recording head 10a.
a is pressed against the platen roller 10b (hereinafter,
The positions of the pressing levers 34a, 34b, 34c at this time are called recording positions). On the other hand, when the shaft 35 rotates counterclockwise by a predetermined angle from the position shown in FIG. 1, the pins 35a, 35b, 35c and the groove 34a are formed.
The pressing levers 34a, 34b, 3 are contacted with 1, 34b1, 34c1.
4c overcomes the force of the springs 36a, 36b, 36c and rotates in the direction of arrow f in FIG. 1 to weaken (or eliminate) the pressure contact force of the recording head 10a to the platen roller 10b (hereinafter, at this time). The positions of the pressing levers 34a, 34b, 34c are referred to as standby positions). The standby positions are pressing levers 34a, 34b, 34
It is desirable that the position c is not in contact with the recording head 10a. Further, in the present embodiment, the pressing levers 34a, 34
Since b and 34c are independently rotatable,
Pressing leverage by changing the spring force of the springs 36a, 36b, 36c
By making the pressure contact forces of the recording heads 10a of the recording heads 34a, 34b, 34c different in the width direction of the recording heads 10a, the recording quality can be improved.

Further, as shown in FIG. 9A, the pressing means is constructed so that the groove portion 34a1 of the pressing lever 34a as a pressing member comes into contact with the pin 35a fixed to the shaft 35 with a play, but the invention is not limited to this. However, the shape of the shaft 35 itself is changed as shown in FIG. 9 (b), and the pressing lever 34a as a pressing member is used.
It goes without saying that the groove 34a1 may be configured so as to contact the shaft 35 itself with a play.

(Drive transmission structure) Next, the recording sheet 2
The transporting mechanism for the ink sheet 9 and the ink sheet 9 will be described with reference to FIG. In FIG. 10, a platen motor 39 as a first driving means and an ink sheet motor 40 as a second driving means are attached to an apparatus body (not shown).

Platen motor as the first driving means
The numeral 39 rotates a platen roller 10b as a recording medium conveying unit that conveys the recording sheet 2 while supporting it at a position facing the recording head 10a by rotation in one direction, and a discharge roller 12a.
The paper feed roller 3 and the feed roller 5a as the recording medium supply means for supplying the recording sheet 2 to the recording position by rotating in the other direction are rotated.

The motor gear 39a of the platen motor 39 meshes with the clutch gears 41a and 41b.
41a and 41b are in contact with boss gears 43a and 43b via spring clutches 42a and 42b, respectively. The spring clutch 42a,
Reference numeral 42b denotes first and second one-way clutches around which wire rods are respectively wound, and the boss gear 43a is first transmission means for transmitting rotation in one direction to the recording medium conveying means, and the boss gear 43.
Reference numeral b is a second transmission means for transmitting the rotation in the other direction to the recording medium supply means.

The boss gear 43a serving as the first transmission means meshes with the platen gear 48 of the platen roller 10b.
In addition, the platen roller 10b is rotated by the roller pulley 10b3,
Discharge roller 12a via belt 45b and roller pulley 12c
Is transmitted to. On the other hand, the boss gear 43b as the second transmission means meshes with the roller gear 5c at one end of the feed roller 5a via the intermediate gear 44b. The roller gear 5d on the other end side of the feed roller 5a is meshed with the roller gear 3c of the paper feed roller 3 via an intermediate gear 44a.

With the above structure, the platen motor 39 is driven to rotate the motor gear 39a in the direction of the solid arrow (hereinafter,
The forward rotation) means that the clutch gears 41a and 41b rotate in the direction of the solid line arrow, but in this rotational direction, the spring clutch 42a locks while the spring clutch 42b runs idle, so that the boss gear 43a While rotating in the direction of the solid arrow, the boss gear 43b is stopped. Therefore, the platen roller 10b and the discharge roller 12a rotate in the direction of the solid arrow, and the recording sheet 2 is conveyed in the direction of the arrow a.

On the other hand, when the platen motor 39 is driven to rotate the motor gear 39a in the direction of the broken line arrow (hereinafter referred to as reverse rotation), the clutch gears 41a and 41b rotate in the direction of the broken line arrow. Since the spring clutch 42b is locked while the idle rotation of the boss gear 43a is stopped, the boss gear 43b rotates in the direction of the broken arrow. Therefore, the paper feed roller 3 and the feed roller 5a rotate in the direction of the broken line arrow to convey the recording sheet 2 in the direction of the arrow a.

Further, the ink sheet motor 40 as the second driving means rotates the take-up reel 27 and the capstan roller 32 which is the ink sheet conveying means for conveying the ink sheet 9 by rotating in one direction. The pressure contact force adjusting means, which will be described later, is driven by the rotation in the other direction to adjust the pressure contact force of the recording head 10a to the platen roller 10b.

Motor gear 40 of the ink sheet motor 40
a is meshed with the clutch gears 41c and 41d, and the clutch gears 41c and 41d are in contact with the boss gear 43c and the boss pulley 43d via the spring clutches 42c and 42d, respectively. The spring clutches 42c and 42d are third and fourth one-way clutches wound with wire rods, respectively, and the boss gear 43c is a third transmission means for transmitting rotation in one direction to the ink sheet conveying means, and the boss gear 43b. Is a fourth transmitting means for transmitting the rotation in the other direction to the pressure contact force adjusting means described later.

When the ink sheet cartridge E is mounted on the boss gear 43c as the third transmission means, the gear 32d of the capstan roller 32 meshes with the gear 32d.
The reel gear 33 of the take-up reel 27 meshes with d. On the other hand, the rotation of the boss pulley 43d as the fourth transmission means is caused by the belt rotation.
It is transmitted to the boss pulley 49a via 45a. A boss gear 49c is integrally provided on the boss pulley 49a via a connecting boss 49b, and the boss gear 49c meshes with the cam gear 46a of the cam 46. The cam 46 is in contact with the arm 37, and is a means for adjusting the pressure contact force of the recording head 10a to the platen roller 10b by swinging the arm 37 according to the rotational position. Here, the shape of the cam 46 is such that when the minimum radius portion 46b of the cam 46 is in contact with the arm 37, the pressing lever 34a,
34b and 34c are at the above-mentioned recording positions, and when the maximum radius portion 46c of the cam 46 is in contact with the arm 37, the pressing levers 34a and 34c are provided.
b and 34c are arranged so as to be in the above-mentioned standby position.
The rotational position of the cam 46 is detected by the cam sensor 47.

With the above structure, when the ink sheet motor 40 is driven to rotate the motor gear 40a in the direction of the solid line arrow (hereinafter referred to as forward rotation), the clutch gears 41d and 41c rotate in the direction of the solid line arrow. In direction, spring clutch
Since the spring clutch 42c is locked while the 42d idles, the boss pulley 43d stops while the boss gear 43c rotates in the solid arrow direction and the gear 32d of the capstan roller 32 rotates in the solid arrow direction. At the same time, the reel gear 33 of the take-up reel 27 rotates in the direction of the solid line arrow. Therefore, the ink sheet 9 is pulled out from the supply reel 26 by the rotation of the capstan roller 32, and
Is conveyed in the direction of arrow b. Then, the conveyed ink sheet 9 is taken up by the take-up reel 27.
At this time, the cam 46 is stopped.

The gear ratio is set so that the peripheral speed of rotation of the take-up reel 27 is faster than the peripheral speed of rotation of the capstan roller 32.
It is configured to rotate while causing slippage. The ink sheet 9 is taken up by the take-up reel 27 while the front tension is applied by the slip. Incidentally, by disposing the capstan roller 32, which gives a conveying force to the ink sheet 9, near the platen roller 10b, the elongation of the ink sheet 9 is reduced,
More accurate transportation can be performed.

On the other hand, when the ink sheet motor 40 is driven to rotate the motor gear 40a in the direction of the broken line arrow (hereinafter, referred to as reverse rotation), the clutch gears 41d and 41c rotate in the direction of the broken line arrow. Since the spring clutch 42c idles and the spring clutch 42d locks, the boss gear 43c stops while the boss pulley 43d rotates in the direction of the broken line arrow, and the belt 45a, the boss pulley 49a, and the connection boss 49b. Boss gear 49c, cam gear 46a
The cam 46 rotates in the direction of the broken line arrow via. Therefore, by reversing the ink sheet motor 40 by a predetermined step corresponding to the output of the cam sensor 47 (position of the cam 46), the cam 4
6, pressing levers 34a, 34b, 34c via the arm 37 and the shaft 35
Is moved to the recording position or the standby position to increase or decrease the pressure contact force of the recording head 10a to the platen roller 10b.

(Explanation of Control System) Next, a control system for driving and controlling each member will be described with reference to the block diagram shown in FIG. In FIG. 11, reference numeral 50 denotes a control unit of the facsimile device, which is a power supply unit that supplies electric power to the entire device.
NCU for connecting 51, modem board unit 52, and telephone 53
A board unit 54, a display unit 55 for displaying the contents input from the operation unit D, and the like are arranged.

The control section 50 is used as a CPU 50a for controlling the entire recording apparatus, a ROM 50b storing various programs and various data, a work area for the CPU 50a, and a temporary storage of various data such as the number of recordings. It has a RAM 50c for saving. Reference numeral 50d is a line memory that stores an image of each line of the image data. When transmitting or copying a document, the image data for one line from the document reading system C is stored, and when receiving the image data. Stores the decoded data for one line. The various data stored in the line memory 50d is output to the recording system B to record an image. Reference numeral 50e is an encoding / decoding unit that encodes image information to be transmitted by MH encoding or the like, or decodes received encoded image data to convert it into image data. 50f is a buffer memory for storing transmitted and received encoded image data.

Next, the electrical system connection between the recording system B and the controller 50 will be described with reference to FIG. Recording head 10a
Is the serial recording data 56 for one line from the control unit 50.
shift register 57 for inputting a, latch signal 56b
A latch circuit 58 for latching the data of the shift register 57 by means of the heating element 10 composed of a heating resistor for one line
Equipped with a1. The heating element 10a1 is driven by being divided into m blocks (10a1-1 to 10a1-m). Further, the recording head 10a is equipped with a temperature sensor 59 for detecting the temperature, and an output signal 56c of the temperature sensor 59 is A / D converted in the control unit 50 to obtain the C signal.
It is input to the PU 50a. Thereby, the CPU 50a
Detects the temperature of the recording head 10a and changes the pulse width of the strobe signal 56d according to the temperature, or changes the driving voltage of the recording head 10a, etc.
The energy applied to the recording head 10a is changed according to the characteristics of The type (characteristic) of the ink sheet 9 is selected by inputting from the operation unit D or the like, but it is also possible to detect the mark or the like printed on the ink sheet 9 to determine the type or characteristic. . It is also possible to identify a mark, a notch, a protrusion, or the like attached to the cartridge that stores the ink sheet 9.

Reference numeral 60 denotes a recording head drive circuit which inputs a drive signal for the recording head 10a from the control unit 50 and outputs a strobe signal 56d for driving the recording head 10a in units of blocks. The recording head drive circuit 60 is the control unit.
The energy applied to the recording head 10a can be changed by changing the control time of the current output to the power supply line 56e for supplying the current to the heating element 10a1 of the recording head 10a according to the instruction of 50. Further, reference numerals 62 and 63 are motor drive circuits for rotationally driving the platen motor 39 and the ink sheet motor 40 as the first and second drive means, respectively. Although the stepping motors are used as the motors 39 and 40, the motors 39 and 40 are not limited to these and may be DC motors or servo motors. Further, the control unit 50 includes a recording sheet leading edge sensor 7 for detecting the leading edge of the recording sheet 2, a recording sheet ejection sensor 13 for detecting passage of the recording sheet 2, a recording sheet presence sensor S1 for detecting the presence or absence of the recording sheet 2, A detection signal is input from an ink sheet presence sensor S2 that detects the presence or absence of the ink sheet 9 and an ink sheet speed sensor S3 that detects the conveyance speed of the ink sheet 9, etc. And the recording operation is controlled.

{Sheet Conveying and Recording Operation} Next, the conveying operation of the recording sheet 2 and the ink sheet 9 and the recording operation by the recording system B will be described with reference to the timing chart shown in FIG. In the following description, as to the rotation direction of each motor, as shown in FIG. 10, rotation in the direction of the solid line arrow is normal rotation, and rotation in the direction of the broken line arrow is reverse rotation.

(Operation 1) First, the ink sheet motor 40 is rotated in the reverse direction to move the pressing levers 34a, 34b, 34c to the standby position. As a result, the pressure contact force of the recording head 10a with the platen roller 10b is weakened, so that the friction of the ink sheet 9 with respect to the recording head 10a and the platen roller 10b is reduced when the ink sheet 9 is conveyed, which will be described later. It is possible to prevent troubles such as wrinkles and peeling of ink.

(Operation 2) When a recording signal arrives, first, before the start of recording, the ink sheet motor 40 rotates in the normal direction to rotate the capstan roller 32 and the take-up reel 27 in the normal direction to wind the ink sheet 9 by a predetermined amount. . As a result, back tension is applied to the ink sheet 9 by the action of the slip clutch 30 of the supply reel 26, wrinkles and slack of the ink sheet 9 are eliminated, and the quality of subsequent recording is improved. Further, since the ink sheet 9 forms a flat surface between the capstan roller 32 and the recording head 10a, the platen roller 10b and the ink sheet 9 are
It forms a wedge-shaped space. Therefore, when the recording sheet 2 is supplied to the recording means 10, the leading edge of the sheet 2 can smoothly enter without being bent or wrinkled.

(Operation 3) Next, the platen motor 39 is reversely rotated to reversely rotate the paper feed roller 3 and the feed roller 5a. At this time, the platen roller 10b is stopped. As a result, the uppermost recording sheet 2 of the paper feeding cassette 1 is fed by the paper feeding roller 3 and the paper feeding piece 4, and the recording means 10 is fed by the feed roller pair 5a, 5b through the guides 6a, 6b.
Is transported to. When the leading edge of the recording sheet 2 reaches the recording sheet leading edge sensor 7, the output of the leading edge sensor 7 is turned on. From this time point, the driving step of the platen motor 39 is counted by the control unit 50, and a predetermined step a (here, after the leading edge of the recording sheet 2 has passed the leading edge sensor 7,
This is the number of steps required to reach the recording means 10. By rotating, the leading end of the recording sheet 2 reaches the recording position while being guided by the ink sheet 9 as described above.

(Operation 4) After the lapse of the predetermined step a, the platen motor 39 is normally rotated to normally rotate the platen roller 10b. At this time, the paper feed roller 3 and the feed roller 5a are stopped. Therefore, the recording sheet 2 that has reached the recording position is subsequently conveyed by the platen roller 10b. By rotating the platen motor 39 by a predetermined amount, the leading edge of the recording sheet 2 is conveyed to the downstream of the recording position of the recording unit 10 by the margin, and enters the recording standby state.

(Operation 5) Next, the ink sheet motor 40 is reversed to move the pressing levers 34a, 34b, 34c to the recording position. As a result, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened, and the recording becomes possible.

(Operation 6) When the recording operation is completed after the above paper feeding operation is completed, the platen motor 39 and the ink sheet motor 40 are normally rotated, and the platen roller 10b and the discharge roller 12 are rotated.
a, the capstan roller 32 is normally rotated. This allows
The recording sheet 2 is conveyed in the direction of arrow a, and the ink sheet 9 is conveyed in the direction of arrow b, which is opposite to the conveying direction of the recording sheet 2, and recording on the recording sheet 2 is performed.

As described above, the recording sheet 2 and the ink sheet 9
When a multi-print method is adopted in which and are conveyed in the opposite direction for recording, an image is formed while shearing the ink in the ink layer. Therefore, the conveyance of the ink sheet 9 requires the frictional force between the ink sheet 9 and the recording head 10a,
The additional force of the shear force of the ink is required. Therefore, the carrying force for the ink sheet 9 needs to be larger than the carrying force when the conventional one-time ink sheet is used. Further, in the multi-print recording method, it is necessary to surely convey the ink sheet 9 by 1 / n line every time an image for one line is formed on the recording sheet 2 (record n value). It is possible to improve the quality of a recorded image by reliably carrying the sheet. In order to satisfy the above condition, the capstan roller 32 is used in this embodiment.
Thus, a highly accurate and reliable conveying force is applied to the ink sheet 9.

(Operation 7) When the recording on the recording sheet 2 is completed, the ink sheet motor 40 rotates in the reverse direction and the pressing lever 34a,
Move 34b and 34c to the standby position. This makes the recording head
The pressure contact force of 10a to the platen roller 10b is weakened.

(Operation 8) Next, the platen motor 39 is rotated in the normal direction to normally rotate the platen roller 10b and the discharge roller 12a. As a result, the recording sheet 2 for which recording has been completed can be completely removed from the recording means 10.

(Operation 9) Further, the platen motor 39 is normally rotated so that the discharge roller 12a is normally rotated. As a result, the recording sheet 2 is discharged onto the lid 1d that functions as a tray on which the sheet 2 is placed. Further, the recording sheet ejection sensor 13 detects the rear end of the recording sheet 2 to confirm the normal ejection of the recording sheet 2. When the recording signal for the next page arrives, the same operation is repeated after the above operation 2. In addition, the above operation 8 is performed between pages of continuous page recording.
9 may be omitted.

Second Embodiment In this embodiment, the platen motor 39 as the first driving means rotates in one direction to rotate the platen roller 10b as the recording medium conveying means and the discharge roller 12
a, and the paper feed roller 3 and the feed roller 5a as the recording medium supply means are driven. Below, figure
The drive transmission structure, the sheet conveying operation, and the recording operation will be described in detail with reference to FIGS. Since the basic structure of the recording apparatus in this embodiment is substantially the same as that of the apparatus described in the first embodiment, detailed description of the structure will be omitted. The members having the same function are designated by the same reference numerals.

(Drive Transmission Structure) In FIG. 14, a platen motor 39 as a first driving means and an ink sheet motor 40 as a second driving means are attached to an apparatus main body (not shown).

As described above, the platen motor 39 as the first driving means in the present embodiment is the recording medium conveying means for conveying the recording sheet 2 while rotating it in one direction while supporting the recording sheet 2 at the position facing the recording head 10a. Platen roller 10b as
The discharge roller 12a, and the paper feed roller 3 and the feed roller 5a as recording medium supply means for supplying the recording sheet 2 to the recording position are rotated.

Platen motor as the first driving means
The motor gear 39a of 39 meshes with the platen gear 48 of the platen roller 10b. The rotation of the platen roller 10b is transmitted to the discharge roller 12a via the roller pulley 10b3, the belt 45b and the roller pulley 12c. Further, the motor gear 39a of the platen motor 39 as the first driving means is meshed with the roller gear 5c on one end side of the feed roller 5a. Also, the roller gear 5 on the other end side of the feed roller 5a
d is the roller gear 3 of the paper feed roller 3 via the intermediate gear 44a.
It meshes with c.

With the above structure, when the platen motor 39 is driven to rotate the motor gear 39a in the direction of the solid line arrow, the platen gear 48 and the roller gear 5c rotate in the direction of the solid line arrow. Therefore, the platen roller 10b, the discharge roller
12a, the paper feed roller 3, and the feed roller 5a rotate in the direction of the solid arrow to convey the recording sheet 2 in the direction of the arrow a.

The ink sheet motor 40 as the second driving means rotates the take-up reel 27 and the capstan roller 32 which is the ink sheet conveying means for conveying the ink sheet 9 by rotating in one direction. The pressure contact force adjusting means described above is driven by rotation in the other direction to adjust the pressure contact force of the recording head 10a to the platen roller 10b.

A drive transmission structure for transmitting the drive of the ink sheet motor 40 to the capstan roller 32 and the take-up reel 27, and the platen roller 10b of the recording head 10.
The drive transmission structure for transmitting the pressure contact force to the means for adjusting is the same as the drive transmission structure described in the first embodiment, and therefore the description thereof is omitted here.

{Sheet Conveying and Recording Operation} Next, the conveying operation of the recording sheet 2 and the ink sheet 9 and the recording operation by the recording system B will be described with reference to the timing chart shown in FIG. In the following description, as for the rotation direction of each motor, as shown in FIG. 14, the rotation in the direction of the solid line arrow is the forward rotation, and the rotation in the direction of the broken line arrow is the reverse rotation.

(Operation 1) First, the ink sheet motor 40 rotates in the reverse direction to move the pressing levers 34a, 34b, 34c to the standby position. As a result, the pressure contact force of the recording head 10a with the platen roller 10b is weakened, so that the friction of the ink sheet 9 with respect to the recording head 10a and the platen roller 10b is reduced when the ink sheet 9 is conveyed, which will be described later. It is possible to prevent troubles such as wrinkles and peeling of ink.

(Operation 2) When a recording signal arrives, first, before the recording is started, the ink sheet motor 40 is normally rotated to normally rotate the capstan roller 32 and the take-up reel 27 to wind the ink sheet 9 by a predetermined amount. . As a result, back tension is applied to the ink sheet 9 by the action of the slip clutch 30 of the supply reel 26, wrinkles and slack of the ink sheet 9 are eliminated, and the quality of subsequent recording is improved. Further, since the ink sheet 9 forms a flat surface between the capstan roller 32 and the recording head 10a, the platen roller 10b and the ink sheet 9 are
It forms a wedge-shaped space. Therefore, when the recording sheet 2 is supplied to the recording means 10, the leading edge of the sheet 2 can smoothly enter without being bent or wrinkled.

(Operation 3) Next, the platen motor 39 is rotated in the normal direction to rotate the platen roller 10b, the discharge roller 12a, the paper feed roller 3 and the feed roller 5a in the normal direction. As a result, the uppermost recording sheet 2 of the paper feeding cassette 1 is fed by the paper feeding roller 3 and the paper feeding piece 4, and the feed roller pair 5 is fed.
The sheets a, 5b are conveyed toward the recording means 10 via the guides 6a, 6b. When the leading edge of the recording sheet 2 reaches the recording sheet leading edge sensor 7, the output of the leading edge sensor 7 is turned on. From this time, the driving step of the platen motor 39 is counted by the control unit 50, and a predetermined step a (here, the number of steps required for the leading edge of the recording sheet 2 to reach the recording means 10 after passing the leading edge sensor 7). By rotating, the leading end of the recording sheet 2 reaches the recording position while being guided by the ink sheet 9 as described above.

(Operation 4) Further, the platen motor 39 is normally rotated to normally rotate the platen roller 10b, the discharge roller 12a, the paper feed roller 3, and the feed roller 5a. As a result, the recording sheet 2 can be easily inserted into the recording unit 10, and the recording sheet 2 that has reached the recording position is subsequently conveyed by the platen roller 10b. By rotating the platen motor 39 by a predetermined amount, the leading edge of the recording sheet 2 is conveyed to the downstream of the recording position of the recording unit 10 by the margin,
The recording standby state is set.

(Operation 5) Next, the ink sheet motor 40 is reversed to move the pressing levers 34a, 34b, 34c to the recording position. As a result, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened, and the recording becomes possible.

(Operation 6) When the above-mentioned paper feeding operation is completed and the recording becomes possible, the platen motor 39 and the ink sheet motor 40 are normally rotated, and the feed roller 5a and the platen roller are rotated.
10b, the discharge roller 12a, and the capstan roller 32 are normally rotated. As a result, the recording sheet 2 is conveyed in the direction of arrow a, and the ink sheet 9 is conveyed in the direction of arrow b, which is opposite to the conveying direction of the recording sheet 2, and recording on the recording sheet 2 is performed.

(Operation 7) When the recording on the recording sheet 2 is completed, the ink sheet motor 40 rotates in the reverse direction and the pressing lever 34a,
Move 34b and 34c to the standby position. This makes the recording head
The pressure contact force of 10a to the platen roller 10b is weakened.

(Operation 8) Next, the platen motor 39 is normally rotated to normally rotate the platen roller 10b and the discharge roller 12a. As a result, the recording sheet 2 for which recording has been completed can be completely removed from the recording means 10.

(Operation 9) Further, the platen motor 39 is normally rotated so that the discharge roller 12a is normally rotated. As a result, the recording sheet 2 is discharged onto the lid 1d that functions as a tray on which the sheet 2 is placed. Further, the recording sheet ejection sensor 13 detects the rear end of the recording sheet 2 to confirm the normal ejection of the recording sheet 2. When the recording signal for the next page arrives, the same operation is repeated after the above operation 2. In addition, the above operation 8 is performed between pages of continuous page recording.
9 may be omitted.

[Third Embodiment] In this embodiment, the platen motor 39 as the first driving means drives the platen roller 10b as the recording medium conveying means and the above-mentioned pressure contact force adjusting means to drive the second driving means. The ink sheet motor 40 as described above is configured to drive the capstan roller 32 as the ink sheet conveying means, and the paper feed roller 3 and the feed roller 5a as the recording medium supply means. Hereinafter, the drive transmission configuration, the sheet conveying operation, and the recording operation will be described in detail with reference to FIGS. 16 and 17. still,
Since the basic structure of the recording apparatus in this embodiment is substantially the same as that of the apparatus described in the first embodiment, detailed description of the structure will be omitted. The members having the same function are designated by the same reference numerals.

(Drive Transmission Structure) In FIG. 16, the platen motor 39 as the first driving means and the ink sheet motor 40 as the second driving means are attached to the apparatus main body (not shown).

Platen Motor as the First Driving Means
The numeral 39 rotates a platen roller 10b as a recording medium conveying unit that conveys the recording sheet 2 while supporting it at a position facing the recording head 10a by rotation in one direction, and a discharge roller 12a.
The pressure contact force adjusting means described above is driven by rotation in the other direction to adjust the pressure contact force of the recording head 10a to the platen roller 10.

Platen motor as the first driving means
The motor gear 39a of 39 meshes with the clutch gears 41a and 41b, and the clutch gears 41a and 41b are respectively the spring clutch 42.
The boss gears 43a and 43b are in contact with each other via a and 42b. The spring clutches 42a and 42b are first and second one-way clutches wound with a wire rod, respectively, and the boss gear 43a is a first transmission means for transmitting rotation in one direction to the recording medium conveying means, and the boss gear 43b. Is a second transmitting means for transmitting the rotation in the other direction to the pressure contact force adjusting means.

The boss gear 43a serving as the first transmission means meshes with the platen gear 48 of the platen roller 10b.
In addition, the platen roller 10b is rotated by the roller pulley 10b3,
Discharge roller 12a via belt 45b and roller pulley 12c
Is transmitted to. On the other hand, the boss gear 43b as the second transmission means meshes with the cam gear 46a of the cam 46. The cam 46 is in contact with the arm 37, swings the arm 37 according to the rotational position, and causes the platen roller of the recording head 10a to move.
It is a means for adjusting the pressure contact force to 10b. Where cam 46
The shape of is when the minimum radius portion 46b of the cam 46 is in contact with the arm 37, the pressing levers 34a, 34b, 34c are in the above-described recording positions, and the maximum radius portion 46c of the cam 46 is in contact with the arm 37. The pressing levers 34a, 34b, 34c are configured to be in the standby position described above. The rotation position of the cam 46 is the cam sensor.
Detected by 47.

With the above structure, the platen motor 39 is driven to rotate the motor gear 39a in the direction of the solid arrow (hereinafter,
When the clutch gears 41a, 41b rotate in the direction of the solid line arrow, the spring clutch 42a rotates in this direction.
Is locked, while the spring clutch 42b is configured to idle, the boss gear 43a rotates in the direction of the solid line arrow while the boss gear 43b is stopped. Therefore, the platen roller 10b and the discharge roller 12a rotate in the direction of the solid arrow, and the recording sheet 2 is conveyed in the direction of the arrow a.

On the other hand, when the platen motor 39 is driven to rotate the motor gear 39a in the direction of the broken line arrow (hereinafter referred to as reverse rotation), the clutch gears 41a and 41b rotate in the direction of the broken line arrow. Since the spring clutch 42b is configured to lock while the idle rotation of the boss gear 43a is stopped, the boss gear 43b rotates in the direction of the broken line arrow and the cam 46 rotates in the direction of the broken line arrow. Therefore, by rotating the platen motor 39 in the reverse direction by a predetermined step corresponding to the output of the cam sensor 47 (position of the cam 46), the pressing levers 34a, 34 are driven via the cam 46, the arm 37, and the shaft 35.
By moving b and 34c to the recording position or the standby position, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened or weakened.

Further, the ink sheet motor 40 as the second driving means is a capstan roller as the ink sheet conveying means for conveying the ink sheet 9 by rotation in one direction.
32, the take-up reel 27 is rotated, and the paper feed roller 3 and the feed roller 5a as recording medium supply means for supplying the recording sheet 2 to the recording position by rotation in the other direction are rotated.

The motor gear 40a of the ink sheet motor 40 as the second driving means meshes with the clutch gears 41c and 41d, and the clutch gears 41c and 41d are connected to the boss gear 43c and the boss pulley 43d via the spring clutches 42c and 42d, respectively. Touching. The spring clutches 42c and 42d are third and fourth one-way clutches wound with wire rods, respectively, and the boss gear 43c is a third transmission means for transmitting rotation in one direction to the ink sheet conveying means, and the boss gear 43b. Is a fourth transmission means for transmitting the rotation in the other direction to the recording medium supply means.

When the ink sheet cartridge E is mounted on the boss gear 43c as the third transmission means, the gear 32d of the capstan roller 32 meshes with the gear 32d.
The reel gear 33 of the take-up reel 27 meshes with d. On the other hand, the rotation of the boss pulley 43d as the fourth transmission means is caused by the rotation of the belt.
It is transmitted to the roller pulley 49d of the feed roller 5a via 45a. Further, the rotation of the roller pulley 49d is transmitted to the roller gear 5d via the rotation center shaft of the feed roller 5a. Roller gear 5d of the feed roller 5a
The intermediate gear 44a and the intermediate gear 44a mesh with the roller gear 3c of the paper feed roller 3.

With the above structure, when the ink sheet motor 40 is driven to rotate the motor gear 40a in the direction of the solid line arrow (hereinafter referred to as forward rotation), the clutch gears 41d and 41c rotate in the direction of the solid line arrow. In direction, spring clutch
Since 42d idles and the spring clutch 42c locks, the boss pulley 43d stops while the boss gear 43c rotates in the direction of the solid line arrow and the gear 32d of the capstan roller 32 rotates in the direction of the solid line arrow. At the same time, the reel gear 33 of the take-up reel 27 rotates in the direction of the solid line arrow. Therefore, the ink sheet 9 is pulled out from the supply reel 26 by the rotation of the capstan roller 32, and
Is conveyed in the direction of arrow b. Then, the conveyed ink sheet 9 is taken up by the take-up reel 27.

The gear ratio is set so that the rotational peripheral speed of the take-up reel 27 is faster than the rotational peripheral speed of the capstan roller 32, and the take-up reel 27 has a slip clutch 31.
It is configured to rotate while causing slippage. The ink sheet 9 is taken up by the take-up reel 27 while the front tension is applied by the slip. Incidentally, by disposing the capstan roller 32, which gives a conveying force to the ink sheet 9, near the platen roller 10b, the elongation of the ink sheet 9 is reduced,
More accurate transportation can be performed.

On the other hand, when the ink sheet motor 40 is driven to rotate the motor gear 40a in the direction of the broken line arrow (hereinafter referred to as reverse rotation), the clutch gears 41c and 41d rotate in the direction of the broken line arrow. Since the spring clutch 42c idles and the spring clutch 42d locks, the boss gear 43c stops while the boss pulley 43d rotates in the direction of the broken arrow, and the roller gear 5d passes through the belt 45a and the boss pulley 49d. Rotates in the direction of the broken arrow, and further the roller gear 3c rotates in the direction of the broken arrow via the intermediate gear 44a. Therefore, the paper feed roller 3 and the feed roller 5a rotate in the direction of the broken line arrow to convey the recording sheet 2 in the direction of the arrow a.

{Sheet Conveying and Recording Operation} Next, the conveying operation of the recording sheet 2 and the ink sheet 9 and the recording operation by the recording system B will be described with reference to the timing chart shown in FIG. In the following description, as to the rotation direction of each motor, as shown in FIG. 16, rotation in the direction of the solid line arrow is forward rotation, and rotation in the direction of the broken line arrow is reverse rotation.

(Operation 1) First, the platen motor 39 rotates in the reverse direction to move the pressing levers 34a, 34b, 34c to the standby position. This weakens the pressure contact force of the recording head 10a with the platen roller 10b, so that when the ink sheet 9 to be described later is conveyed,
Friction of the ink sheet 9 with respect to the recording head 10a and the platen roller 10b is reduced, and troubles such as wrinkles and ink peeling due to rubbing of the ink sheet 9 can be prevented.

(Operation 2) When a recording signal arrives, first, before the start of recording, the ink sheet motor 40 rotates in the normal direction to rotate the capstan roller 32 and the take-up reel 27 in the normal direction to wind the ink sheet 9 by a predetermined amount. . As a result, back tension is applied to the ink sheet 9 by the action of the slip clutch 30 of the supply reel 26, wrinkles and slack of the ink sheet 9 are eliminated, and the quality of subsequent recording is improved. Further, since the ink sheet 9 forms a flat surface between the capstan roller 32 and the recording head 10a, the platen roller 10b and the ink sheet 9 are
It forms a wedge-shaped space. Therefore, when the recording sheet 2 is supplied to the recording unit 10, the sheet 2 can smoothly enter without causing any folds or wrinkles at the leading edge of the sheet 2.

(Operation 3) Next, the ink sheet motor 40 is rotated in the reverse direction to rotate the paper feed roller 3 and the feed roller 5a in the reverse direction. As a result, the uppermost recording sheet 2 of the paper feeding cassette 1 is fed by the paper feeding roller 3 and the paper feeding piece 4, and is conveyed toward the recording means 10 by the feed roller pair 5a, 5b through the guides 6a, 6b. Recording sheet 2
When the leading edge of the sheet reaches the recording sheet leading edge sensor 7, the output of the leading edge sensor 7 is turned on. From this point on, the control section 50 counts the driving steps of the ink sheet motor 40, and a predetermined step a (here, the number of steps required for the leading edge of the recording sheet 2 to reach the recording means 10 after passing the leading edge sensor 7). By rotating, the leading end of the recording sheet 2 reaches the recording position while being guided by the ink sheet 9 as described above.

(Operation 4) After the lapse of the predetermined step a, the platen motor 39 is normally rotated to normally rotate the platen roller 10b. At this time, the ink sheet motor 40 is reversely rotating, that is, the paper feed roller 3 and the feed roller 5a are reversely rotating. Therefore, the recording sheet 2 can be easily inserted into the recording means 10, and the recording head 10a and the platen roller 10 can be easily inserted.
The recording sheet 2 is sandwiched between the pressure contact portions with b, and thereafter, the recording sheet 2 is conveyed by the platen roller 10b. By rotating the platen motor 39 by a predetermined amount,
The leading edge of the recording sheet 2 is conveyed to the downstream of the recording position of the recording unit 10 by a margin and enters a recording standby state.

In this example, since the platen roller 10b and the paper feed roller 3 and the feed roller 5a are driven by different motors, the platen roller 10b is not needed when the recording sheet is fed by the paper feed roller 3 and the feed roller 5a. Since the platen roller 10b and the ink sheet 9 are prevented from rotating in contact with each other, the contact rotation between the platen roller 10b and the ink sheet 9 can be minimized, and wrinkles and ink peeling due to rubbing of the ink sheet can be prevented, and the recording quality can be improved. it can.

(Operation 5) Next, the platen motor 39 is reversely rotated to move the pressing levers 34a, 34b, 34c to the recording position. As a result, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened, and the recording becomes possible.

(Operation 6) When the recording operation is completed after the paper feeding operation is completed, the platen motor 39 and the ink sheet motor 40 are normally rotated, and the feed roller 5a and the platen roller are rotated.
10b, the discharge roller 12a, and the capstan roller 32 are normally rotated. As a result, the recording sheet 2 is conveyed in the direction of arrow a, and the ink sheet 9 is conveyed in the direction of arrow b, which is opposite to the conveying direction of the recording sheet 2, and recording on the recording sheet 2 is performed.

As described above, the recording sheet 2 and the ink sheet 9
When a multi-printing method is adopted in which and are conveyed in the opposite direction for recording, an image is formed while shearing the ink in the ink layer. Therefore, the conveyance of the ink sheet 9 requires the frictional force between the ink sheet 9 and the recording head 10a,
The additional force of the shear force of the ink is required. Therefore, the carrying force for the ink sheet 9 needs to be larger than the carrying force when the conventional one-time ink sheet is used. Further, in the multi-print recording method, it is necessary to surely convey the ink sheet 9 by 1 / n line every time an image for one line is formed on the recording sheet 2 (record n value). It is possible to improve the quality of a recorded image by reliably carrying the sheet. In order to satisfy the above condition, the capstan roller 32 is used in this embodiment.
Thus, a highly accurate and reliable conveying force is applied to the ink sheet 9.

(Operation 7) When the recording on the recording sheet 2 is completed, the platen motor 39 is rotated in the reverse direction and the pressing levers 34a, 34 are rotated.
Move b and 34c to the standby position. This allows the recording head 10
The pressure contact force of a with the platen roller 10b is weakened.

(Operation 8) Next, the platen motor 39 is rotated in the normal direction to normally rotate the platen roller 10b and the discharge roller 12a. As a result, the recording sheet 2 for which recording has been completed can be completely removed from the recording means 10.

(Operation 9) Further, the platen motor 39 is normally rotated to normally rotate the discharge roller 12a. As a result, the recording sheet 2 is discharged onto the lid 1d that functions as a tray on which the sheet 2 is placed. Further, the recording sheet ejection sensor 13 detects the rear end of the recording sheet 2 to confirm the normal ejection of the recording sheet 2. When the recording signal for the next page arrives, the same operation is repeated after the above operation 2. In addition, the above operation 8 is performed between pages of continuous page recording.
9 may be omitted.

[Fourth Embodiment] In the present embodiment, the platen motor 39 as the first driving means drives the platen roller 10b as the recording medium conveying means, and the paper feeding roller 3 and the feed roller 5a as the recording medium supplying means. The above-mentioned pressure contact force adjusting means is driven, and the ink sheet motor 40 as the second driving means drives the capstan roller 32 as the ink sheet conveying means. Hereinafter, the drive transmission structure, the sheet conveying operation, and the recording operation will be described in detail with reference to FIGS. 18 and 19. still,
Since the basic structure of the recording apparatus in this embodiment is substantially the same as that of the apparatus described in the first embodiment, detailed description of the structure will be omitted. The members having the same function are designated by the same reference numerals.

(Drive Transmission Structure) In FIG. 18, the platen motor 39 as the first driving means and the ink sheet motor 40 as the second driving means are attached to the apparatus main body (not shown).

Platen Motor as the First Driving Means
Reference numeral 39 denotes a platen roller 10b as a recording medium conveying unit that conveys the recording sheet 2 while supporting it at a position facing the recording head 10a by rotation in one direction, a discharge roller 12a, and a recording sheet 2 that is supplied to the recording position. The paper feed roller 3 and the feed roller 5a as medium supply means are rotated, and the recording head 10a is rotated by the other direction by the pressure contact force adjusting means.
This is to adjust the pressure contact force of the platen roller 10 with.

Platen Motor as the First Driving Means
The motor gear 39a of 39 meshes with the clutch gears 41a and 41b, and the clutch gears 41a and 41b are respectively the spring clutch 42.
The boss gears 43a and 43b are in contact with each other via a and 42b. The spring clutches 42a and 42b are first and second one-way clutches wound with a wire rod, respectively, and the boss gear 43a is a first clutch which transmits rotation in one direction to the recording medium conveying means and the recording medium supplying means. The transmission means and the boss gear 43b are second transmission means for transmitting the rotation in the other direction to the press contact force adjusting means.

The boss gear 43a as the first transmission means is the platen gear 48 of the platen roller 10b and the boss gear 49c.
Meshes with. The rotation of the platen roller 10b is transmitted to the discharge roller 12a via the roller pulley 10b3, the belt 45b and the roller pulley 12c. Also, the boss gear 49c
Is integrally provided with a boss pulley 49a via a connecting boss 49b, and the boss pulley 49a is rotated by a belt 45a.
Is transmitted to the roller pulley 49d of the feed roller 5a via. Further, the rotation of the roller pulley 49d is transmitted to the roller gear 5d via the rotation center shaft of the feed roller 5a. The roller gear 5d of the feed roller 5a meshes with the intermediate gear 44a, and the intermediate gear 44a meshes with the roller gear 3c of the paper feed roller 3. On the other hand, the boss gear 43b as the second transmission means meshes with the cam gear 46a of the cam 46. The cam 46 is in contact with the arm 37, and is a means for adjusting the pressure contact force of the recording head 10a to the platen roller 10b by swinging the arm 37 according to the rotational position. Here, the shape of the cam 46 is such that the minimum radius portion 46b of the cam 46 is an arm.
When in contact with 37, the pressing levers 34a, 34b, 34c are in the aforementioned recording positions, and when the maximum radius portion 46c of the cam 46 is in contact with the arm 37, the pressing levers 34a, 34b, 34c are in their standby positions. It is configured as in. The rotational position of the cam 46 is detected by the cam sensor 47.

With the above structure, the platen motor 39 is driven to rotate the motor gear 39a in the direction of the solid line arrow (hereinafter,
When the clutch gears 41a, 41b rotate in the direction of the solid line arrow, the spring clutch 42a rotates in this direction.
Is locked, while the spring clutch 42b is configured to idle, the boss gear 43a rotates in the direction of the solid line arrow while the boss gear 43b is stopped. Therefore, the platen roller 10b, the discharge roller 12a, the paper feed roller 3,
Also, the feed roller 5a rotates in the direction of the solid line arrow to convey the recording sheet 2 in the direction of the arrow a. At this time, the cam 46
Has stopped.

On the other hand, when the platen motor 39 is driven to rotate the motor gear 39a in the direction of the broken line arrow (hereinafter, referred to as reverse rotation), the clutch gears 41a and 41b rotate in the direction of the broken line arrow. Since the spring 42b is locked while the clutch 42a is idling, the boss gear 43a is stopped while the boss gear 43b is stopped.
Rotates in the direction of the broken arrow, and the cam 46 rotates in the direction of the broken arrow. Therefore, by rotating the platen motor 39 in the reverse direction by a predetermined step corresponding to the output of the cam sensor 47 (position of the cam 46), the pressing lever 34a,
By moving 34b and 34c to the recording position or the standby position, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened or weakened.

The ink sheet motor 40 as the second driving means is a capstan roller as an ink sheet conveying means for conveying the ink sheet 9 by rotating in one direction.
It is to rotate 32.

When the ink sheet cartridge E is attached to the motor gear 40a of the ink sheet motor 40 as the second driving means, the gear 32d of the capstan roller 32 is attached.
And the reel gear 33 of the take-up reel 27 meshes with the gear 32d.

With the above construction, when the ink sheet motor 40 is driven to rotate the motor gear 40a in the direction of the solid line arrow (hereinafter referred to as forward rotation), the gear 32d of the capstan roller 32 will be described.
Rotates in the direction of the solid line arrow, and the reel gear 33 of the take-up reel 27 rotates in the direction of the solid line arrow. Therefore, the ink sheet 9 is pulled out from the supply reel 26 by the rotation of the capstan roller 32 and is conveyed in the direction of arrow b in FIG. Then, the conveyed ink sheet 9 is a take-up reel.
It is wound up on 27.

The gear ratio is set so that the rotational peripheral speed of the take-up reel 27 is faster than the rotational peripheral speed of the capstan roller 32, and the take-up reel 27 has a slip clutch 31.
It is configured to rotate while causing slippage. The ink sheet 9 is taken up by the take-up reel 27 while the front tension is applied by the slip. Incidentally, by disposing the capstan roller 32, which gives a conveying force to the ink sheet 9, near the platen roller 10b, the elongation of the ink sheet 9 is reduced,
More accurate transportation can be performed.

{Sheet Conveying and Recording Operation} Next, the conveying operation of the recording sheet 2 and the ink sheet 9 and the recording operation by the recording system B will be described with reference to the timing chart shown in FIG. In the following description, as to the rotation direction of each motor, as shown in FIG. 18, rotation in the direction of the solid line arrow is forward rotation, and rotation in the direction of the broken line arrow is reverse rotation.

(Operation 1) First, the platen motor 39 is rotated in the reverse direction to move the pressing levers 34a, 34b, 34c to the standby position. This weakens the pressure contact force of the recording head 10a with the platen roller 10b, so that when the ink sheet 9 to be described later is conveyed,
Friction of the ink sheet 9 with respect to the recording head 10a and the platen roller 10b is reduced, and troubles such as wrinkles and ink peeling due to rubbing of the ink sheet 9 can be prevented.

(Operation 2) When a recording signal arrives, first, before the start of recording, the ink sheet motor 40 rotates in the normal direction to rotate the capstan roller 32 and the take-up reel 27 in the normal direction to wind the ink sheet 9 by a predetermined amount. . As a result, back tension is applied to the ink sheet 9 by the action of the slip clutch 30 of the supply reel 26, wrinkles and slack of the ink sheet 9 are eliminated, and the quality of subsequent recording is improved. Further, since the ink sheet 9 forms a flat surface between the capstan roller 32 and the recording head 10a, the platen roller 10b and the ink sheet 9 are
It forms a wedge-shaped space. Therefore, when the recording sheet 2 is supplied to the recording means 10, the leading edge of the sheet 2 can smoothly enter without being bent or wrinkled.

(Operation 3) Next, the platen motor 39 is normally rotated to normally rotate the platen roller 10b, the discharge roller 12a, the paper feed roller 3, and the feed roller 5a. As a result, the uppermost recording sheet 2 of the paper feeding cassette 1 is fed by the paper feeding roller 3 and the paper feeding piece 4, and the feed roller pair 5 is fed.
The sheets a, 5b are conveyed toward the recording means 10 via the guides 6a, 6b. When the leading edge of the recording sheet 2 reaches the recording sheet leading edge sensor 7, the output of the leading edge sensor 7 is turned on. From this time, the driving step of the platen motor 39 is counted by the control unit 50, and a predetermined step a (here, the number of steps required for the leading edge of the recording sheet 2 to reach the recording means 10 after passing the leading edge sensor 7). By rotating, the leading end of the recording sheet 2 reaches the recording position while being guided by the ink sheet 9 as described above.

(Operation 4) Further, the platen motor 39 is normally rotated to normally rotate the platen roller 10b, the discharge roller 12a, the paper feed roller 3, and the feed roller 5a. As a result, the recording sheet 2 can be easily inserted into the recording unit 10, and the recording sheet 2 that has reached the recording position is subsequently conveyed by the platen roller 10b. By rotating the platen motor 39 by a predetermined amount, the leading edge of the recording sheet 2 is conveyed to the downstream of the recording position of the recording unit 10 by the margin,
The recording standby state is set.

(Operation 5) Next, the platen motor 39 is reversed to move the pressing levers 34a, 34b, 34c to the recording position. As a result, the pressure contact force of the recording head 10a to the platen roller 10b is strengthened, and the recording becomes possible.

(Operation 6) When the recording operation is completed after the above paper feeding operation is completed, the platen motor 39 and the ink sheet motor 40 are normally rotated, and the feed roller 5a and the platen roller are rotated.
10b, the discharge roller 12a, and the capstan roller 32 are normally rotated. As a result, the recording sheet 2 is conveyed in the direction of arrow a, and the ink sheet 9 is conveyed in the direction of arrow b, which is opposite to the conveying direction of the recording sheet 2, and recording on the recording sheet 2 is performed.

As described above, the recording sheet 2 and the ink sheet 9
When a multi-printing method is adopted in which and are conveyed in the opposite direction for recording, an image is formed while shearing the ink in the ink layer. Therefore, the conveyance of the ink sheet 9 requires the frictional force between the ink sheet 9 and the recording head 10a,
The additional force of the shear force of the ink is required. Therefore, the carrying force for the ink sheet 9 needs to be larger than the carrying force when the conventional one-time ink sheet is used. Further, in the multi-print recording method, it is necessary to surely convey the ink sheet 9 by 1 / n line every time an image for one line is formed on the recording sheet 2 (record n value). It is possible to improve the quality of a recorded image by reliably carrying the sheet. In order to satisfy the above condition, the capstan roller 32 is used in this embodiment.
Thus, a highly accurate and reliable conveying force is applied to the ink sheet 9.

(Operation 7) When the recording on the recording sheet 2 is completed, the platen motor 39 rotates in the reverse direction and the pressing levers 34a, 34 are rotated.
Move b and 34c to the standby position. This allows the recording head 10
The pressure contact force of a with the platen roller 10b is weakened.

(Operation 8) Next, the platen motor 39 is normally rotated to normally rotate the platen roller 10b and the discharge roller 12a. As a result, the recording sheet 2 for which recording has been completed can be completely removed from the recording means 10.

(Operation 9) Further, the platen motor 39 is normally rotated so that the discharge roller 12a is normally rotated. As a result, the recording sheet 2 is discharged onto the lid 1d that functions as a tray on which the sheet 2 is placed. Further, the recording sheet ejection sensor 13 detects the rear end of the recording sheet 2 to confirm the normal ejection of the recording sheet 2. When the recording signal for the next page arrives, the same operation is repeated after the above operation 2. In addition, the above operation 8 is performed between pages of continuous page recording.
9 may be omitted.

[Other Embodiments] Next, other embodiments of the respective parts of the ink sheet cartridge and the recording apparatus described above will be described. In the above-described embodiment, the multi-print system in which the recording sheet 2 and the ink sheet 9 are conveyed in opposite directions for recording has been illustrated. However, a one-time ink sheet is used and the recording sheet and the ink sheet are conveyed in the same direction. Naturally, it is possible even with the one-time printing method in which recording is performed by recording.

Further, in the above-mentioned embodiment, the capstan roller 32 is formed by blowing silicone rubber to form the roller portion, but needless to say, it is not limited to the silicone rubber. That is, any material can be used as long as the coefficient of friction of the ink sheet 9 can be obtained, and other materials such as chloroprene rubber can be used. Also, as a method of attaching the material to the core portion, one thin plate member may be wound around the core portion and attached. Alternatively, a pipe-shaped member may be made of the above material, and the core may be inserted into the pipe to be attached. Alternatively, the rubber portion may be formed by molding. In this case, since the friction coefficient is lower than that of the spraying process (about 1.5 to 6), it is necessary to increase the wrapping angle θ and the back tension to prevent the capstan roller 32 and the ink sheet 9 from slipping. is there. As experimental data, the friction coefficient is 2.6
At that time, there was no defective conveyance of the ink sheet 9 at a wrapping angle of 45 ° and a back tension of 400 g or more. Also, the thin plate described above,
In the case of manufacturing pipes, molding, etc., the friction coefficient between the capstan roller 32 and the ink sheet 9 used in the first embodiment described above can be approximated by mirror-finishing the rubber outer peripheral surface.

Further, in the above-described embodiment, the capstan roller 32 is built in the ink sheet cartridge E, but the roller 32 is not necessarily the cartridge E as a recording device.
It does not need to be built in, and may be attached to the apparatus main body side. Further, in the above-described embodiment, the capstan roller 32 is configured as the transporting means for the ink sheet 9, but it may be configured as other transporting means for the ink sheet 9 such as using a transport roller and a pinch roller. Is.

Further, in the above-mentioned embodiment, the recording head 10a
Although the conventional image was obtained by reversing the arrangement order of the heating elements of the above, the serial recording data 56 of the control unit 50
It is natural that the same effect as the present invention can be obtained by reversing the data permutation of a. Further, in the above-described embodiment, the thermal transfer recording apparatus using the ink sheet cartridge is constructed, but it goes without saying that it may be constructed as a thermal recording apparatus.

[0160]

As described above, since the recording medium conveying means and the ink sheet conveying means are driven by different driving means, respectively, the recording medium conveying means and the ink sheet conveying means are driven. Compared to driving by the same driving means at the same time, a driving means having a lower torque can be used, and further cost increase due to the driving means and its driving circuit etc. can be prevented and the size of the device can be prevented. You can Moreover, since an inexpensive spring clutch is used as the one-way clutch for restricting the rotation direction of the drive means, the cost can be reduced.

Further, since the shaft which supports at least one or more pressing members biased by the respective springs with a play with a play is rotated, the recording is performed only by rotating the shaft. The pressure contact force of the means can be adjusted,
Therefore, the number of driving members for operating the pressing member is reduced, so that the main body of the recording apparatus can be simplified.
Further, since the pressing member is supported while having a play with respect to the shaft, only the biasing force of the spring acting on each of the pressing members can be applied to the recording means at the pressing position, and the pressing member can be pressed at the pressing releasing position. The member and the recording means can be separated. Therefore, it is possible to promote the downsizing of the main body of the recording apparatus and the cost reduction.

[Brief description of drawings]

FIG. 1 is a diagram illustrating the overall structure of a facsimile device.

FIG. 2 is an external perspective view of a facsimile device.

FIG. 3 is a cross-sectional explanatory diagram of an ink sheet.

FIG. 4 is a development explanatory diagram of an ink sheet cartridge.

FIG. 5 is a structural explanatory view of a slip clutch on the supply reel side.

FIG. 6 is a structural explanatory view of a slip clutch on the take-up reel side.

FIG. 7 is an explanatory diagram of an ink sheet conveyance path.

FIG. 8 is an explanatory diagram of a configuration of a thermal head.

FIG. 9 is an explanatory perspective view showing an enlarged peripheral portion of the pressing member.

FIG. 10 is an explanatory diagram of a drive transmission configuration.

FIG. 11 is a block diagram of a recording control system.

FIG. 12 is a block diagram of a drive control system.

FIG. 13 is a timing chart explaining the operation of the drive mechanism.

FIG. 14 is an explanatory diagram of a drive transmission configuration according to the second embodiment.

FIG. 15 is a timing chart for explaining the operation of the drive mechanism in the second embodiment.

FIG. 16 is an explanatory diagram of a drive transmission configuration according to the third embodiment.

FIG. 17 is a timing chart explaining the operation of the drive mechanism in the third embodiment.

FIG. 18 is an explanatory diagram of a drive transmission configuration according to the fourth embodiment.

FIG. 19 is a timing chart explaining the operation of the drive mechanism in the fourth embodiment.

FIG. 20 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

A ... paper feeding system, B ... recording system, C ... reading system, D ... operating unit, E
... Ink sheet cartridge 1 ... Cassette 1a ... Orchestra 1b ... Middle plate 1c ... Upper guide 1d ... Lid 2 ... Recording sheet 3 ... Paper feeding roller 3a ... Arc part 3b ... Flat surface 3c ... Roller gear 4 ... Paper feeding piece 4a ... Sheet part, 4b ... Arm part 5a, 5b ... Feed roller, 5c, 5d ... Roller gear 6a, 6b ... Guide 7 ... Recording sheet leading edge sensor 8 ... Device body 8a ... Opening part, 8b, 8c ... Guide part 9 ... Ink Sheet 9a ... Heat resistant coat layer, 9b ... Base film layer, 9c.
Ink layer, 9d ... Top coating layer 10 ... Recording means 10a ... Recording head, 10a1 ... Head substrate, 10a2 ... Heating element, 10a3 ... Head driver element, 10a4 ... Protective cover 10b ... Platen roller, 10b1 ... Shaft section, 10b2 ... Roller Department,
10b3 ... Roller pulley 10c ... Head support 11a, 11b ... Ejection guide 12a, 12b ... Ejection roller, 12c ... Roller pulley 13 ... Recording sheet ejection sensor 14 ... Rotating shaft 15 ... Recording cover, 15a ... Original placement table 16 ... Original 17a ... Preliminary conveying roller, 17b ... Pressing piece 18a ... Separating roller, 18b ... Pressing piece 19a, 19b ... Conveying roller 20a, 20b ... Ejecting roller 21 ... Ejecting tray 22 ... Photoelectric conversion element 23 ... Handset 24a, 24b ... Electrical board 25 ... Pushing up Plate 26 ... Supply reel, 26a ... Reel shaft, 26b1, 26b2 ... Flange, 26c ... U-shaped groove 27 ... Take-up reel, 27a ... Reel shaft, 27b1, 27b2 ... Flange, 27c ... U-shaped groove 28 ... Frame 28a ... 1st housing | casing, 28a1 ... welding part, 28a2 ... side plate, 28a3 ... fitting hole, 28a4 ... welding part 28b ... 2nd housing, 28b1 ... welding part, 28b2 ... side plate, 28b3 ... fitting protrusion, 28b4 ... locking protrusion, 28b6 ... Welded portion 28c1, 28c2 ... Welded portion, 28d, 28e ... Window 28e1 … Notch, 28
f ... Guide pin, 28g1 ... U groove, 28g2 ... Square groove, 28g3, 29g
4, 28g5, 28g6 ... U groove, 28h ... Opening 29a, 29b ... Bearing 30 ... Sliding clutch 30a ... Shaft, 30b ... Spring spring, 30b1 ... Hook part, 30
c ... Tsuba, 30c1 ... Through hole, 30c2 ... Recessed portion, 30c3 ... Convex portion, 30d
... E-ring 31 ... Sliding clutch 31a ... Shaft part, 31a1 ... D-cut fitting part, 31b ... Spring spring, 31b1 ... Hook part, 31c ... Tsuba, 31c1 ... Through hole, 31c2
... projections, 31d, 31e ... E-ring 32 ... capstan roller 32a ... bearing, 32b ... core part, 32c ... rubber part, 32d ... gear 33 ... reel gear, 33a ... recesses 34a, 34b, 34c ... pressing lever, 34a1, 34b1, 34c1 ... Groove 35 ... Shaft, 35a, 35b, 35c ... Pin 36a, 36b, 36c ... Spring 37 ... Arm 39 ... Platen motor, 39a ... Motor gear 40 ... Ink sheet motor, 40a ... Motor gear 41a, 41b, 41c, 41d ... Clutch gears 42a, 42b, 42c, 42d ... Spring clutches 43a, 43b, 43c ... Boss gears, 43d ... Boss pulleys 44a, 44b ... Intermediate gears 45a, 45b ... Belts 46 ... Cams, 46a ... Cam gears, 46b ... Radius minimum part, 46c …
Maximum radius 47 ... Cam sensor 48 ... Platen gear 49a ... Boss pulley, 49b ... Connection boss, 49c ... Boss gear,
49d ... Roller pulley 50 ... Control unit 50a ... CPU, 50b ... ROM, 50c ... RAM, 50d ... Line memory, 50e ... Encoding / decoding unit, 50f ... Buffer memory 51 ... Power supply unit 52 ... Modem board unit 53 ... Telephone 54 ... NCU board unit 55 ... Display section 56a ... Serial recording data, 56b ... Latch signal, 56c ...
Output signal, 56d ... Strobe signal, 56e ... Power supply line 57 ... Shift register 58 ... Latch circuit 59 ... Temperature sensor 60 ... Recording head drive circuit 62, 63 ... Motor drive circuit

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Fumihiko Nakamura 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc.

Claims (11)

[Claims] 1. A recording apparatus for transferring an ink contained in an ink sheet to a recording medium to record an image on the recording medium, wherein recording is performed for recording on the recording medium by applying energy to the ink sheet. Means, an ink sheet conveying means for conveying the ink sheet, a recording medium supplying means for supplying a recording medium to the recording means, and a conveying means for supporting the recording medium at a position facing the recording means. Recording medium conveying means for performing, pressure contacting means for applying pressure contacting force to the recording means, pressure contacting force for acting on the pressure contacting means to adjust the pressure contacting force of the recording means to the recording medium conveying means An adjusting unit, a recording medium conveying unit, a recording medium supplying unit, the ink sheet conveying unit, and first and second driving units for driving the pressure contact force adjusting unit. The recording medium conveying means and the recording medium supplying means are driven by a first driving means, and the ink sheet conveying means and the pressure contact force adjusting means are driven by a second driving means. apparatus. 2. The recording medium carrying means for rotating the unidirectional rotation of the first driving means via first and second one-way clutches which respectively transmit the rotations of the first driving means in different directions. The recording apparatus according to claim 1, further comprising: a first transmission unit that transmits the rotation of the other direction to the recording medium supply unit. 3. The recording apparatus according to claim 1, wherein the recording medium conveying unit and the recording medium supplying unit are driven by rotation of the first driving unit in one direction. 4. The ink sheet transporting means for rotating the second driving means in one direction through third and fourth one-way clutches that respectively transmit rotations of the second driving means in different directions. The recording apparatus according to claim 1, further comprising: a third transmission means for transmitting the rotation in the other direction and a fourth transmission means for transmitting the rotation in the other direction to the pressure contact force adjusting means. 5. A recording apparatus for transferring an ink contained in an ink sheet to a recording medium to record an image on the recording medium, the recording for recording on the recording medium by applying energy to the ink sheet. Means, an ink sheet conveying means for conveying the ink sheet, a recording medium supplying means for supplying a recording medium to the recording means, and a conveying means for supporting the recording medium at a position facing the recording means. Recording medium conveying means for performing, pressure contacting means for applying pressure contacting force to the recording means, pressure contacting force for acting on the pressure contacting means to adjust the pressure contacting force of the recording means to the recording medium conveying means An adjusting unit, a recording medium conveying unit, a recording medium supplying unit, the ink sheet conveying unit, and first and second driving units for driving the pressure contact force adjusting unit. The recording medium conveying means and the pressure contact force adjusting means are driven by a first driving means, and the ink sheet conveying means and the recording medium supplying means are driven by a second driving means. apparatus. 6. The recording medium transporting means for rotating the first driving means in one direction through first and second one-way clutches that respectively transmit rotations in different directions of the first driving means. 6. The recording apparatus according to claim 5, further comprising: a first transmission unit that transmits the rotation in the other direction to the pressure contact force adjustment unit. 7. The ink sheet transporting means for rotating the second driving means in one direction through third and fourth one-way clutches respectively transmitting rotations of the second driving means in different directions. The recording apparatus according to claim 5, further comprising: a third transmission unit that transmits the rotation in the other direction to the recording medium supply unit. 8. A recording device for transferring ink contained in an ink sheet to a recording medium to record an image on the recording medium, wherein recording is performed for recording on the recording medium by applying energy to the ink sheet. Means, an ink sheet conveying means for conveying the ink sheet, a recording medium supplying means for supplying a recording medium to the recording means, and a conveying means for supporting the recording medium at a position facing the recording means. Recording medium conveying means for performing, pressure contacting means for applying pressure contacting force to the recording means, pressure contacting force for acting on the pressure contacting means to adjust the pressure contacting force of the recording means to the recording medium conveying means An adjusting unit, a recording medium conveying unit, a recording medium supplying unit, the ink sheet conveying unit, and first and second driving units for driving the pressure contact force adjusting unit. The recording medium conveying unit, the recording medium supplying unit, and the pressure contact force adjusting unit are driven by a first driving unit, and the ink sheet conveying unit is driven by a second driving unit. apparatus. 9. The recording medium conveying means for rotating the unidirectional rotation of the first driving means via first and second one-way clutches which respectively transmit rotations of the first driving means in different directions. 9. The recording apparatus according to claim 8, further comprising: first transmitting means for transmitting to the recording medium supplying means, and second transmitting means for transmitting the rotation in the other direction to the pressure contact force adjusting means. 10. A recording apparatus for transferring an ink contained in an ink sheet to a recording medium to record an image on the recording medium, wherein recording is performed for recording on the recording medium by applying energy to the ink sheet. Means, recording means for applying energy to the ink sheet to perform recording on a recording medium, ink sheet conveying means for conveying the ink sheet, and recording medium conveying means for conveying the recording medium And a pressing means for applying a pressing force to the recording means, wherein the pressing means acts on each of the shaft, at least one pressing member supported by the shaft, and the pressing member. A recording device, wherein the pressing member is supported while having a play in the circumferential direction with respect to the shaft. 11. The recording according to claim 1, wherein the pressure contact means is configured so that the shaft of the pressure contact means is rotated by the pressure contact force adjusting means. apparatus.