JP2020156011A - Recording apparatus - Google Patents

Abstract

To solve the problems that when a curvature radius of a curvature inversion part of an FFC as a flexible flat cable connected to a sensor as original reading means is small, there is the case that a posture becomes unstable due to the responce of a reaction force from the cable in the sensor, and the problem that life of the cable becomes short is generated, however, a thickness of an original reading unit is increased when the curvature radius becomes large, and the size of a device is increased.SOLUTION: A recording apparatus comprises: a recording unit; and an original reading unit provided on an upper part of the recording unit. The recording unit comprises a medium feeding part and a carriage, and the original reading unit comprises a housing and an FFC deformed in accordance with the movement of reading means. The housing includes a projection part projected to a vertical lower direction, and in a region formed in an inner part of the projection part, the FFC is arranged. The projection part is entered from an upper direction to a region between the medium feeding part and a movement region of the carriage in a medium transfer direction.SELECTED DRAWING: Figure 9

Description

The present invention relates to a recording device including a recording unit for recording on a medium and a document reading unit for reading a document.

A recording device including a recording unit for recording on a medium and a document reading unit for reading a document has been conventionally known, and is sometimes called a multifunction device. An example of such a recording device is shown in Patent Document 1.

Japanese Unexamined Patent Publication No. 2014-196173

When the document scanning unit is a flatbed type, a sensor as a scanning means moves under the platen in a predetermined direction. A cable for transmitting and receiving an electric signal is connected to the sensor, and in many cases, a flat and flexible cable called a flexible flat cable is used. The flexible flat cable is formed with a curved reversing portion that bends and reverses, and is wired so that the position of the curved reversing portion changes as the sensor moves.
Therefore, if the bending radius of the curved reversal portion is small, the sensor may receive a reaction force from the cable and the posture may become unstable, or the life of the cable may be shortened. Therefore, it is preferable that the bending radius of the curved reversal portion is as large as possible, but if the bending radius is made large, the thickness of the document reading unit increases, which causes an adverse effect that the apparatus becomes large.

The recording device of the present invention that solves the above problems includes a recording unit provided with a recording head that records on a medium, a document placing section on which a document is placed, and a document placing section that are provided above the recording unit. A document reading unit provided with a reading means for reading the document while moving in a predetermined direction is provided, and the recording unit includes a medium feeding unit for feeding the medium and the medium feeding unit. The document reading unit includes a carriage provided at a predetermined interval in the transport direction of the medium in a region facing the recording head, having the recording head, and being movable in a direction intersecting the transport direction. Includes a housing for accommodating the reading means and a flexible flat cable that is connected to the reading means and deforms with the movement of the reading means, the housing having a protrusion that projects vertically downward. The flexible flat cable is arranged in a region formed inside the protruding portion, and the protruding portion enters a region between the medium feeding portion and the moving region of the carriage from above in the transport direction. , Characterized by.

External perspective view of the printer. External perspective view of the printer with the paper support deployed. FIG. 2 is a sectional view taken along the line AA of FIG. A perspective view of the scanner unit in a state where the ADF is opened and the platen glass is removed. The perspective view of the inside of the main body which constitutes a scanner part. The perspective view of the inside of the main body which constitutes a scanner part. FIG. 3 is a cross-sectional perspective view of the main body portion constituting the scanner unit. FIG. 2 is a partially enlarged view of FIG. 2, wherein the configuration is omitted or added as appropriate. FIG. 2 is a partially enlarged view of FIG. 2, wherein the configuration is omitted or added as appropriate.

Hereinafter, the present invention will be schematically described.
The recording device according to the first aspect has a recording unit provided with a recording head for recording on a medium, a document placing section on which a document is placed, and a document placing section provided above the recording unit. A document reading unit provided with a reading means for reading the document while moving in a predetermined direction is provided, and the recording unit includes a medium feeding unit that feeds the medium and a recording head with respect to the medium feeding unit. The document reading unit is provided with a carriage provided at a predetermined interval in the transport direction of the medium in a region facing the media, having the recording head, and being movable in a direction intersecting the transport direction. The housing includes a housing for accommodating the reading means, a flexible flat cable connected to the reading means and deformed with the movement of the reading means, and the housing has a projecting portion protruding vertically downward. The flexible flat cable is arranged in a region formed inside the protrusion, and the protrusion enters the region between the medium feeding portion and the moving region of the carriage from above in the transport direction. It is characterized by.

According to this aspect, the housing has a projecting portion that projects vertically downward, and the flexible flat cable is arranged in a region formed inside the projecting portion, so that the flexible flat cable is curved and inverted. The radius of the edge can be secured. Then, since the protruding portion enters the region between the medium feeding portion and the moving region of the carriage from above in the transport direction, the vertical dimension of the entire device due to the provision of the protruding portion The increase can be suppressed.

In the second aspect, in the first aspect, the medium feeding unit includes a feeding roller for feeding the medium, and at least a part of the feeding roller and a part of the document reading unit It is characterized in that it is in the same range in the transport direction and the vertical direction.

According to this aspect, the medium feeding unit includes a feeding roller that feeds the medium, and at least a part of the feeding roller and a part of the document reading unit are in the transport direction and the vertical direction. Since the media feeding unit is provided with the feeding roller, the vertical dimension and the transporting dimension of the entire device can be suppressed.

In the third aspect, in the second aspect, a recess is formed in the housing at a position facing the medium feeding portion, and the feeding roller enters the recess so that at least a part of the feeding roller is formed. And a part of the document reading unit are located in the same range in the transport direction and the vertical direction.

According to this aspect, a recess is formed in the housing at a position facing the medium feeding portion, and the feeding roller is inserted into the recess to allow at least a part of the feeding roller and the document reading unit. It is possible to easily realize a configuration in which a part of the parts are located in the same range in the transport direction and the vertical direction.

A fourth aspect comprises, in the second or third aspect, a separation roller at a position vertically below the feed roller to nip and separate the medium from the feed roller. At least a part of the roller and a part of the document reading unit are in the same range in the transport direction and the vertical direction.

According to this aspect, a separation roller for niping and separating the medium from the feeding roller is provided at a position vertically below the feeding roller, and at least a part of the separation roller and the document reading unit are provided. Since a part of the device is in the same range in the transport direction and the vertical direction, the dimensions of the entire device in the vertical direction can be further suppressed.

A fifth aspect is characterized in that, in any of the second to fourth aspects, at least a part of the feeding roller and at least a part of the flexible flat cable are in the same range in the vertical direction. ..

According to this aspect, in a configuration in which a part of the feeding roller and a part of the flexible flat cable are in the same range in the vertical direction, the same action and effect as in any of the second to fourth aspects described above Is obtained.

A sixth aspect, in any of the second to fifth aspects, the reading unit comprises a motor that is a power source for the reading means, at least a portion of the feed roller and a portion of the carriage. And, at least a part of the motor is in the same range in the vertical direction.

According to this aspect, since at least a part of the feeding roller, a part of the carriage, and at least a part of the motor are in the same range in the vertical direction, the dimensions of the entire device in the vertical direction can be increased. It can be further suppressed.

In a seventh aspect, in any of the first to sixth aspects, the housing is inclined so as to rise in a direction opposite to the transport direction and toward the reverse direction with respect to the inner bottom surface of the protrusion. It has a surface, and a part of the medium feeding unit is arranged on the back surface side of the inclined surface.

In the eighth aspect, in the seventh aspect, a cable fixing portion for fixing a part of the flexible flat cable is provided on the inner bottom surface of the protruding portion, and the flexible flat cable is formed from the cable fixing portion to the cable fixing portion. It extends in the first direction, which is one direction of the moving direction of the reading means, is curved and inverted, extends in the second direction opposite to the first direction, is connected to the reading means, and is deformed with the movement of the reading means. It has a deformed section and a fixed section extending from the cable fixing portion in the first direction or the second direction, and the fixed section is arranged at a position closer to the medium feeding portion than the deformed section. The fixed section of the flexible flat cable is arranged along the inclined surface.

When the fixed section is arranged side by side in the modified section, if the flexible flat cable is arranged in the vertical direction in the fixed section, the amount of protrusion of the protruding portion vertically downward may be larger than necessary, and vice versa. When the flexible flat cable is arranged in the lateral direction in the fixed section, the horizontal dimension of the protruding portion may become larger than necessary.
In this aspect, the housing has an inclined surface having an inclination angle with respect to the bottom surface inside the protrusion, and the fixed section of the flexible flat cable is arranged along the inclined surface. It is possible to balance the amount of protrusion of the protruding portion vertically downward with the horizontal dimension, and thus it is possible to suppress an increase in the device size.

The recording device according to the ninth aspect includes a recording head that records on a medium, and a recording unit including a medium feeding unit that feeds the medium mounted on the rear upper part of the device to the recording head. A document reading unit provided above the recording unit and provided with a document placing section on which a document is placed and a reading means for reading the document while moving in a predetermined direction with respect to the document placing section. A part of the medium feeding unit intersects the virtual surface extending the rear side surface of the document reading unit and the virtual surface extending the rear bottom surface of the document reading unit near the rear side surface. It is characterized in that it is arranged inside the document reading unit rather than the position.
According to this aspect, the size of the device can be reduced.

In a tenth aspect, in the ninth aspect, the document reading unit accommodates the reading means, has a housing having a protrusion protruding vertically downward, and is connected to the reading means and of the reading means. A flexible flat cable that is deformed with movement and is arranged in an area formed inside the protrusion, and the rear bottom surface is a bottom surface at a position where the flexible flat cable is arranged. It is a feature.

In the eleventh aspect, in the tenth aspect, the medium feeding unit includes a feeding roller for feeding the medium, and at least a part of the feeding roller is closer to the intersection position than the document reading unit. It is characterized by being placed inside.
According to this aspect, the device can be miniaturized in the configuration including the feeding roller.

A twelfth aspect, in the tenth or eleventh aspect, the housing has an inclined surface that rises in the direction opposite to the transport direction of the medium with respect to the posterior bottom surface. However, a part of the medium feeding unit is arranged on the back surface side of the inclined surface.

In the twelfth aspect, in the twelfth aspect, a cable fixing portion for fixing a part of the flexible flat cable is provided on the rear bottom surface, and the flexible flat cable is obtained from the cable fixing portion of the reading means. A deformation section that extends in the first direction, which is one direction of the moving direction, reverses the curve, extends in the second direction opposite to the first direction, is connected to the reading means, and is deformed with the movement of the reading means. And a fixed section extending from the cable fixing portion in the first direction or the second direction, and the fixed section is arranged at a position closer to the medium feeding portion than the deformed section, and the flexible flat. The fixed section of the cable is arranged along the inclined surface.
According to this aspect, the same action and effect as the above-mentioned eighth aspect can be obtained.

Hereinafter, the present invention will be specifically described.
In each figure, the X-axis direction is the device width direction, the −X direction is the right direction when the front surface of the device is faced with the user, and the + X direction is the same left direction. Further, the X-axis direction is a direction intersecting the paper transport direction in the region facing the recording head 9 in the recording unit 2 described later, that is, a paper width direction. Further, the X-axis direction is the moving direction of the sensor unit 78 in the scanner unit 70 described later.
The Y-axis direction is the device depth direction, the + Y direction is the direction from the back surface to the front surface of the device, and the −Y direction is the direction from the front surface to the back surface of the device. In the present embodiment, of the plurality of side surfaces constituting the periphery of the device, the side surface provided with the operation unit 5 is the front surface of the device, and the opposite side surface is the back surface of the device. The + Y direction of the Y-axis direction is the paper transport direction in the region facing the recording head 9 in the recording unit 2 described later. The Y-axis direction is the extension direction of the sensor unit 78 in the scanner unit 70, which will be described later.
The Z-axis direction is the vertical direction, the + Z direction is the vertical upward direction, and the −Z direction is the vertical downward direction.

The inkjet printer 1 which is an example of the recording device in FIGS. 1 and 2 is a so-called multifunction device in which a scanner unit 70 as a document reading unit is provided above the recording unit 2. Hereinafter, the inkjet printer 1 is abbreviated as the printer 1.
The recording unit 2 has a function of recording on recording paper, which is an example of a medium, and the scanner unit 70 has a function of reading a document.
The scanner unit 70 includes a main body unit 71 having a document reading function, and an automatic document feeder (ADF: Auto Document Feeder) 72 that automatically feeds a set document.

The recording unit 2 includes a transport path (described later) for transporting recording paper and a recording head 9 (see FIG. 3) which is an example of recording means. In the present embodiment, two paper cassettes, specifically, two paper cassettes, are provided. The first paper cassette 51 and the second paper cassette 52 are detachably provided.

Further, the recording unit 2 is provided in the upper rear part of the device with respect to the recording head 9 (see FIG. 3) in addition to the paper setting to the first paper cassette 51 and the second paper cassette 52 and the paper feeding from these paper cassettes. It is also possible to set the paper to the rear feeding unit 55 (FIG. 3) as the medium feeding unit and to feed the paper from the rear feeding unit 55. In FIGS. 1 and 2, reference numeral 7 is a cover that opens and closes the upper portion of the rear feeding portion 55.

When the cover 7 is opened, the paper can be set on the rear feeding unit 55 as shown in FIG. In FIG. 2, reference numeral 58 is a hopper (described later) constituting the rear feeding section 55, and reference numeral 59 is a pull-out type paper support forming the rear feeding section 55.

The recording unit 2 includes an operation unit 5 on the front surface of the apparatus for performing various operations of the printer 1. The operation unit 5 includes a display unit and a plurality of operation buttons, and is provided so as to be tiltable.
A discharge tray 6 for receiving recording paper for recording and discharging from the discharge port 4 is provided on the lower side of the operation unit 5. As shown in FIGS. 1 and 2, the discharge tray 6 is provided so as to be able to take a state of being housed inside the recording unit 2 and a state of being pulled out from the recording unit 2 (not shown).

Subsequently, the transport path of the recording paper will be described with reference to FIG. In FIG. 3, the second paper cassette 52 is not shown, and the automatic document transfer device 72 is not shown in detail.
In the recording unit 2, the recording paper is conveyed to the transport drive roller 16 via the reverse roller 21 constituting the reverse path RR regardless of the feed path, and is conveyed to the recording area by the recording head 9 by the transfer drive roller 16. ..

More specifically, the printer 1 receives the paper feeding path K1 for feeding the recording paper from the first paper cassette 51 as the paper feeding path and the recording paper from the second paper cassette 52 under the first paper cassette 51. It includes a paper feeding path K2 for feeding and a paper feeding path K3 for feeding recording paper from the rear feeding unit 55.

Further, the printer 1 can transport the recording paper as the paper transport path in the + Y direction, which is the paper transport path facing the recording head 9 and is the paper transport direction when recording on the recording paper, and the opposite −Y direction. For the first paper transport path FR1, the reversing path RR that reverses the surface of the recording paper, the second paper transport path FR2 that guides the recording paper on which recording is performed to the reversing path RR, and the second paper transport path FR2. It is provided with a third paper transport path FR3 different from the second paper transport path FR2, which is located vertically below and guides the recording paper on which recording has been performed to the reverse path RR.

In the present embodiment, the first paper transport path FR1 is a paper transport path between the transport drive roller 16 and the first discharge drive roller 41. Further, the second paper transport path FR2 is a paper transport path between the transport drive roller 16 and the driven roller 14a via the driven roller 14d. Further, the third paper transport path FR3 is a paper transport path between the second discharge drive roller 47 and the driven roller 14a via the reversing drive roller 43. The reversing path RR is a paper transport path between the driven roller 14a and the driven roller 14c. In FIG. 2, the fourth paper transport path FR4 is a paper transport path between the driven roller 14c and the transport drive roller 16.

In the paper feeding path K1, the recording paper is fed by the feeding roller 11. The feed roller 11 is supported by a support member 12 that swings around a swing shaft 12a, and the swing of the support member 12 causes the feed roller 11 to move forward and backward with respect to the recording paper P housed in the first paper cassette 51. To do.
A similar feeding mechanism (not shown) is also provided in the second paper cassette 52 (not shown in FIG. 3) provided below the first paper cassette 51.

The reversing roller 21 is formed to have the largest diameter as compared with other rollers, and bends and reverses the recording paper. Driven rollers 14a, 14b, 14c, and 14d are provided around the reversing roller 21. The recording paper fed via the paper feed paths K1 and K2 is fed to the transport drive roller 16 via the reverse path RR and the fourth paper transport path FR4.

Next, in the paper feeding path K3, the set recording paper is supported by the hopper 58 and the paper support 59 (see FIG. 2). The hopper 58 swings around a swing shaft (not shown) located outside the drawing area by a motor (not shown), and by swinging, the supported recording paper moves back and forth with respect to the feed roller 56. Let me.
The feeding roller 56 is driven by a motor (not shown) and feeds the recording paper pushed up by the hopper 58 downstream. A separation roller 57 is provided vertically below the feed roller 56 to nip and separate the recording paper from the feed roller 56. A predetermined rotational resistance is applied to the separation roller 57 by a torque limiter (not shown). Further, the separation roller 57 can move forward and backward with respect to the feeding roller 56, and is pressed toward the feeding roller 56 by a spring (not shown). FIG. 3 shows a state in which the separation roller 57 is separated from the feed roller 56.
The recording paper fed via the paper feed path K3 is fed to the transport drive roller 16 via the fourth paper transport path FR4.

The recording paper fed along the −Y direction via the second paper transport path FR2 is also fed to the transport drive roller 16 via the reversal path RR and the fourth paper transport path FR4.

The recording paper sent to the transfer drive roller 16 driven by a drive source (not shown) is nipated by the transfer drive roller 16 and the transfer driven roller 17 that rotates in a driven manner, and is in a region facing the recording head 9, that is, recording. It is sent to the area and recorded.

The carriage 8 including the recording head 9 reciprocates in the X-axis direction by a power source (not shown) while being guided by a carriage guide shaft 19 extending in the X-axis direction. The recording head 9 ejects ink to the recording paper as the carriage 8 moves.

A support member 18 is provided at a position facing the recording head 9, and the recording paper on which recording is performed by the recording head 9 is supported by the support member 18.
A first discharge driven roller 41 that is rotationally driven and a first discharge driven roller 42 that is driven to rotate are provided downstream of the support member 18 to feed the recording paper on which the recording has been performed downstream. The first discharge driven roller 41 and the driven rotation of the first discharge driven roller 42 are a pair of rollers first located downstream of the recording head 9.
Further downstream thereof, a second discharge drive roller 47 that is rotationally driven and a second discharge driven roller 48 that is driven and rotated are provided.

Hereinafter, the second paper transport path FR2, the third paper transport path FR3, and the reversal path RR will be further described.
When recording is performed on the second surface of the recording sheet on which the recording is performed on the first surface, which is opposite to the first surface, the recording sheet on which the recording is performed is sent to the reversal path RR. As the paper transport route at that time, either the second paper transport path FR2 or the third paper transport path FR3 can be selected.

The path length of the third paper transport path FR3 is longer than the path length of the second paper transport path FR2. Therefore, the control unit (not shown) of the printer 1 has a paper length threshold, and the length of the recording paper sets the threshold. If it exceeds the threshold, the third paper transport path FR3 is selected, and if the length of the recording paper is less than the threshold value, the second paper transport path FR2 is selected.

When the second paper transport path FR2 is used, after the recording is completed on the first surface, the transport drive roller 16, the first discharge drive roller 41, and the second discharge drive roller 47 are reversed. As a result, the recording sheet is conveyed along the second sheet transfer path FR2 in the −Y direction and reaches the reverse path RR.

When the third paper transport path FR3 is used, after the recording on the first surface is completed, along the + Y direction until the rear end of the paper reaches the driven roller 49 provided near the upstream of the second discharge drive roller 47. After that, the second discharge drive roller 47 is reversed. A flap 39 that can swing around the swing shaft 39a is provided upstream of the driven roller 49, and when the recording paper is fed to the third paper transport path FR3, the + Y direction end of the flap 39 is raised. .. As a result, the recording paper is fed to the third paper transport path FR3 and is fed to the reverse path RR.

Subsequently, the configuration of the scanner unit 70, particularly the main body unit 71 constituting the scanner unit 70 will be described with reference to FIGS. 3 and later. In FIGS. 4, 5, and 6, for convenience of illustration, the platen glass 77 is not shown.
The main body 71 of the scanner unit 70 includes a platen glass 77 as a document mounting unit on which a document is placed, and a sensor unit 78 as a reading means for reading a document while moving in the X-axis direction with respect to the platen glass 77. I have.

The sensor unit 78 extends in the Y-axis direction and is pressed against the lower surface of the platen glass 77 from the lower side of the platen glass 77 by a spring (not shown). An optical reduction method (CCD method) or a close contact sensor method (CIS method) can be adopted for the sensor unit 78, and the close contact sensor method (CIS method) is adopted in this embodiment.

Each component of the main body 71, including the sensor unit 78, is housed in the housing 86. The housing 86 is a box-shaped body, and has a guide rail portion 86a integrally extending in the X-axis direction at the inner bottom portion, and the sensor unit 78 is guided in the X-axis direction by the guide rail portion 86a.
The sensor unit 78 is fixed to a part of the drive belt 84, and the movement of the drive belt 84 pulls the sensor unit 78 in the X-axis direction.

In the present embodiment, the drive belt 84 is provided at the drive pulley 82 driven by the motor 80, the driven pulley 83 that is driven and rotated, and the end portion in the + X direction, which are not shown in FIGS. 4 to 6. It is hung around the driven pulley and these three pulleys.
As shown in FIGS. 3 and 7, a protrusion 86j projecting vertically downward is formed in the housing 86, and a drive including a motor 80 is included in a recess 86e (see FIG. 6) formed inside the protrusion 86j. Section 79 is housed. The recess 86e is located in the −X direction with respect to the second bottom surface 86k described later.
The drive unit 79 includes a motor 80, a gear 81 that transmits a driving force from the motor 80 to the drive pulley 82, and a rotation detecting means 89 that detects the rotation of the motor 80.

As shown in FIG. 7, the projecting portion 86j forms a second bottom surface 86k that is one step lower than the first bottom surface 86b provided with the guide rail portion 86a in the housing 86, and the second bottom surface 86k and its − As shown in FIG. 5, the flexible flat cable 87 is arranged on the inclined surface 86d provided in the Y direction. Hereinafter, the term "flexible flat cable" is abbreviated as "FFC". The FFC 87 is a cable for connecting the sensor unit 78 and a control board (not shown) to transmit and receive electric signals.

More specifically, as shown in FIG. 5, the FFC 87 is fixed by a cable fixing portion 88 provided on the second bottom surface 86k, extends from the cable fixing portion 88 in the + X direction, which is the first direction, and reverses the curve. Then, it extends in the −X direction, which is the second direction, and is connected to the sensor unit 78, and includes a deformation section 87b that deforms as the sensor unit 78 moves. Further, the FFC 87 has a fixed section 87a that once extends from the cable fixing portion 88 in the −X direction and the −Y direction, and then folds back and extends in the + X direction.
In FIG. 5, reference numeral 87c indicates a curved inversion portion, and reference numeral 87d indicates a folded portion.
The fixed section 87a is provided in the −Y direction closer to the rear feeding portion 55 (see FIG. 3) with respect to the deformed section 87b.

The deformed section 87b is in contact with the second bottom surface 86k between the curved reversing portion 87c and the cable fixing portion 88, and between the curved reversing portion 87c and the sensor unit 78, the platen glass 77 (see FIG. 3). It is in contact with the lower surface of. Then, as the sensor unit 78 moves, the position of the curved inversion portion 87c changes along the X-axis direction.

Here, inside the protrusion 86j formed in the housing 86, an inclined surface 86d having an inclination angle with respect to the second bottom surface 86k is formed as described above, and the fixed section 87a, more specifically, A fixed section 87a extending in the + X direction from the folded portion 87d is arranged along the inclined surface 86d.

Next, on the outside of the housing 86, a recess 86h is formed in the −Y direction as shown in FIG. 7, and the feeding roller 56 is in a state of being inserted into the recess 86h.
Further, ribs 86g and 86f extending in the X-axis direction are formed on the lower side of the protruding portion 86j, and the housing 86 is formed by forming the protruding portions 86j and further forming the ribs 86g and 86f. Axial rigidity is improved. In the present embodiment, the housing 86 is entirely integrally formed of a resin material.

The features of the printer 1 configured as described above will be described in detail below with reference mainly to FIGS. 8 and 9. Note that the configurations not necessary for explanation are omitted in FIGS. 8 and 9, and conversely, the configurations shown in FIG. 2 are omitted for convenience.
The printer 1 is provided with carriages 8 at predetermined intervals in the + Y direction with respect to the rear feeding portion 55.
The scanner unit 70 includes a housing 86 that houses the sensor unit 78, and an FC 87 that is connected to the sensor unit 78 and deforms as the sensor unit 78 moves. The housing 86 has a protruding portion 86j that projects vertically downward. have. The FFC 87 is arranged in the region formed inside the protrusion 86j, and the protrusion 86j enters the region between the rear feeding portion 55 in the Y-axis direction and the moving region of the carriage 8 from above.
The region formed inside the protrusion 86j is indicated by a broken line and reference numeral Ar1 in FIG. The region formed between the rear feeding portion 55 and the moving region of the carriage 8 in the Y-axis direction is indicated by a broken line and reference numeral Ar2 in FIG. The region indicated by the alternate long and short dash line and the reference numeral Ar3 is a region in which the recess 86e, that is, the driving unit 79, which has been described with reference to FIG. 6, is accommodated.
The protruding portion 86j of the housing 86 is a portion that protrudes vertically downward from the back surface 86 m of the housing 86, and enters the region Ar2 from above as shown in the figure.

With such a configuration, the radius when the FFC 87 bends and reverses, that is, the radius of the curved inversion portion 87c (see FIG. 5) can be secured, and the reaction force received by the sensor unit 78 from the FFC 87 can be suppressed, and the life of the FFC 87 can be suppressed. Can be extended.
Since the protruding portion 86j enters the region Ar2 from above, it is possible to suppress an increase in the vertical dimension of the entire device due to the protruding portion 86j.

Next, the rear feeding unit 55 includes a feeding roller 56, and at least a part of the feeding roller 56 and a part of the scanner unit 70 are in the same range in the Y-axis direction and the vertical direction.
More specifically, in FIG. 9, the straight line L1 is a vertical line passing through the back surface 90a of the frame 90 located at the end in the −Y direction in the main body 71 of the scanner unit 70, and a part of the feeding roller 56 is vertical. It is located in the + Y direction from the line L1. That is, at least a part of the feeding roller 56 and a part of the scanner unit 70 are in the same range in the Y-axis direction, and this range is indicated by reference numeral W1.
Further, the horizon L4 is a horizon that passes through the most vertically lower position of the protrusion 86j, and the entire feeding roller 56 is located in the + Z direction from the horizon L4.
As described above, since at least a part of the feeding roller 56 and a part of the scanner unit 70 are in the same range in the Y-axis direction and the vertical direction, the dimensions in the vertical direction and the dimensions in the Y-axis direction of the entire apparatus Can be suppressed.
The entire feeding roller 56 may be located in the + Y direction from the vertical line L1. Further, the feeding roller 56 may not be entirely located above the horizontal line L4, but only a part thereof may be located above the horizontal line L4.

At least a part of the feeding roller 56 and the sensor unit 78 are in the same range in the range W3 in the Y-axis direction.

Further, in the present embodiment, a part of the feeding roller 56, which is a part of the rear feeding portion 55, is a virtual surface (indicated by the vertical line L1) extending the rear side surface, that is, the back surface 90a of the scanner unit 70, and the scanner. More than the intersection position (indicated by reference numeral G) where the virtual surface (indicated by the straight line L1 in FIG. 9) extending the second bottom surface 86k, which is the posterior bottom surface of the portion 70 near the back surface 90a, intersects. , Arranged inside the scanner unit 70. As a result, the size of the entire device can be reduced.

Further, as shown in FIG. 7, a recess 86h is formed in a part of the housing 86, and the feeding roller 56 enters the recess 86h (see FIG. 9), so that a part of the feeding roller 56 and the scanner unit 70 Some are located in the same range in the Y-axis direction and the vertical direction.
For example, at least a part of the feeding roller 56 and a part of the housing 86 are in the same range in the range W2 in the Y-axis direction, and the whole feeding roller 56 and a part of the housing 86 are in the same position in the vertical direction. is there.
By forming the recess 86h in a part of the housing 86 in this way, it is possible to easily realize a configuration in which a part of the feeding roller 56 and a part of the scanner portion 70 are located in the same range in the Y-axis direction and the vertical direction. it can.
The entire feeding roller 56 may be in the same position as a part of the housing 86 in the Y-axis direction, and only a part of the feeding roller 56 may be in the same position in the vertical direction as a part of the housing 86. There may be.

Further, at least a part of the separation roller 57 and a part of the scanner unit 70 are in the same range in the Y-axis direction and the vertical direction. Specifically, as shown in the range U2 in FIG. 9, a part of the separation roller 57 and a part of the protruding portion 86j are in the same range in the vertical direction. As a result, the vertical dimension of the entire device can be further suppressed.
The entire separation roller 57 may be in the same range as a part of the scanner unit 70 in the vertical direction. Further, at least a part of the separation roller 57 may be in the same range as a part of the scanner unit 70 in the Y-axis direction.

Further, a part of the feeding roller 56 and a part of the FFC 87 are in the same range in the vertical direction. Specifically, as shown by the range U1 in FIG. 9, a part of the feeding roller 56 and a part of the FFC 87 are in the same range in the vertical direction.

Further, at least a part of the motor 80 which is the power source of the sensor unit 78, at least a part of the feeding roller 56, and a part of the carriage 8 are in the same range in the vertical direction. Specifically, as shown by the range U4 in FIG. 9, a part of the motor 80, a part of the feeding roller 56, and a part of the carriage 8 are in the same range in the vertical direction. As a result, the vertical dimension of the entire device can be further suppressed.
The entire feeding roller 56 may be in the same range as a part of the carriage 8 in the vertical direction, or the entire motor 80 may be in the same range as a part of the carriage 8 in the vertical direction.

Further, the housing 86 has an inclined surface 86d that rises in the −Y direction in the −Y direction opposite to the + Y direction with respect to the second bottom surface 86k inside the protruding portion 86j, and has an inclined surface 86d of the inclined surface 86d. A feeding roller 56, which is a part of the rear feeding portion 55, is arranged on the back surface side, that is, the rear side.

Further, as shown in FIG. 5, a cable fixing portion 88 for fixing a part of the FFC 87 is provided on the second bottom surface 86k inside the protruding portion 86j, and the FFC 87 is in the moving direction of the sensor unit 78 from the cable fixing portion 88. The sensor is connected to the sensor unit 78 in the first direction, which is one direction, extends in the + X direction in the present embodiment, extends in the second direction opposite to the first direction by bending and reversing, and extends in the −X direction in the present embodiment. It has a deformation section 87b that is deformed as the unit 78 moves. Further, the FFC 87 has a fixed section 87a that once extends in the −X direction from the cable fixing portion 88, is folded back, and extends in the + X direction.
As shown in FIG. 9, the fixed section 87a is arranged at a position closer to the rear feeding portion 55 than the deformed section 87b, and the fixed section 87a of the FFC 87 is arranged along the inclined surface 86d.

That is, when the fixed section 87a is arranged side by side in the deformed section 87b, if the FFC 87 is arranged in the vertical direction in the fixed section 87a, the amount of protrusion of the protruding portion 86j vertically downward may be larger than necessary, and conversely. When the FFC 87 is arranged in the horizontal direction in the fixed section 87a, the horizontal dimension of the protruding portion 86j may become larger than necessary.
However, as described above, the housing 86 has an inclined surface 86d having an inclination angle with respect to the second bottom surface 86k inside the protrusion 86j, and the fixed section 87a of the FFC 87 is arranged along the inclined surface 86d. , The amount of protrusion of the protruding portion 86j vertically downward and the horizontal dimension can be balanced, and the increase in the device size can be suppressed.

1 ... Inkjet printer, 2 ... Recording unit, 4 ... Discharge port, 5 ... Operation unit, 6 ... Discharge tray, 7 ... Cover, 8 ... Carriage, 9 ... Recording head, 11 ... Feeding roller, 12 ... Support member, 14a ~ 14d ... driven roller, 16 ... transport driven roller, 17 ... transport driven roller, 18 ... support member, 19 ... carriage guide shaft, 21 ... reversing roller, 39 ... flap, 41 ... first discharge drive roller, 42 ... first Discharge driven roller, 43 ... Reverse driven roller, 44 ... Reverse driven roller, 47 ... Second discharge drive roller, 48 ... Second discharge driven roller, 49 ... Driven roller, 51 ... 1st paper cassette, 52 ... 2nd paper cassette , 55 ... Rear feed section, 56 ... Feed roller, 57 ... Separation roller, 58 ... Hopper, 59 ... Paper support, 70 ... Scanner section, 71 ... Main body section, 72 ... Automatic document transfer device, 74 ... Feed tray , 75 ... Discharge tray, 77 ... Paper base glass, 78 ... Sensor unit, 79 ... Drive unit, 80 ... Motor, 81 ... Gear, 82 ... Drive pulley, 83 ... Driven pulley, 84 ... Drive belt, 86 ... Housing, 86a ... guide rail portion, 86b ... first bottom surface, 86c ... low position portion, 86d ... inclined surface, 86e ... recess, 86f, 86g ... rib, 86h ... recess, 86j ... protrusion, 86k ... second bottom surface, 86m ... back surface , 87 ... Flexible flat cable, 87a ... Fixed section, 87b ... Deformed section, 87c ... Curved reversing part, 87d ... Folded part, 88 ... Cable fixing part, 89 ... Rotation detection means, 90 ... Frame, 90a ... Back surface,
K1, K2, K3 ... Paper feeding route, FR1 ... First paper transport route, FR2 ... Second paper transport route, FR3 ... Third paper transport route, RR ... Inversion route

Claims (13)

A recording unit equipped with a recording head that records on a medium,
A document reading unit provided above the recording unit and provided with a document placing section on which a document is placed and a reading means for reading the document while moving in a predetermined direction with respect to the document placing section.
The recording unit includes a medium feeding unit that feeds the medium mounted on the rear upper part of the device to the recording head.
A carriage having the recording head and movable in a direction intersecting the transport direction of the medium is provided.
The document reading unit includes a housing that houses the reading means and has a protrusion that projects vertically downward.
A flexible flat cable that is connected to the reading means and deformed with the movement of the reading means and arranged in an area formed inside the protrusion.
The protruding portion enters the region between the medium feeding portion and the moving region of the carriage from above in the transport direction.
A recording device characterized by that. In the recording device according to claim 1, the medium feeding unit includes a feeding roller that feeds the medium.
At least a part of the feeding roller and a part of the document reading unit are in the same range in the transport direction and the vertical direction.
A recording device characterized by that. In the recording device according to claim 2, a recess is formed in the housing at a position facing the medium feeding unit.
By inserting the feeding roller into the recess, at least a part of the feeding roller and a part of the document reading unit are located in the same range in the transport direction and the vertical direction.
A recording device characterized by that. The recording device according to claim 2 or 3, is provided with a separation roller at a position vertically below the feed roller to nip and separate the medium from the feed roller.
At least a part of the separation roller and a part of the document reading unit are in the same range in the transport direction and the vertical direction.
A recording device characterized by that. In the recording device according to any one of claims 2 to 4, at least a part of the feeding roller and at least a part of the flexible flat cable are in the same range in the vertical direction.
A recording device characterized by that. In the recording device according to any one of claims 2 to 5, the reading unit includes a motor that is a power source of the reading means.
At least a portion of the feed roller, a portion of the carriage, and at least a portion of the motor are in the same range in the vertical direction.
A recording device characterized by that. In the recording device according to any one of claims 1 to 6, the housing rises in a direction opposite to the transport direction and toward the reverse direction with respect to the inner bottom surface of the protrusion. Has an inclined surface,
A part of the medium feeding unit is arranged on the back surface side of the inclined surface.
A recording device characterized by that. In the recording device according to claim 7, a cable fixing portion for fixing a part of the flexible flat cable is provided on the inner bottom surface of the protruding portion.
The flexible flat cable extends from the cable fixing portion in a first direction, which is one direction in the moving direction of the reading means, is curved and inverted, and extends in a second direction opposite to the first direction to the reading means. A deformation section that is connected and deforms with the movement of the reading means,
It has a fixed section extending from the cable fixing portion in the first direction or the second direction.
The fixed section is arranged at a position closer to the medium feeding section than the modified section.
The fixed section of the flexible flat cable is arranged along the inclined surface.
A recording device characterized by that. A recording unit that includes a recording head that records on a medium, and a medium feeding unit that feeds the medium mounted on the rear upper part of the device to the recording head.
A document reading unit provided above the recording unit and provided with a document placing section on which a document is placed and a reading means for reading the document while moving in a predetermined direction with respect to the document placing section.
A part of the medium feeding unit intersects a virtual surface extending the rear side surface of the document reading unit and a virtual surface extending the posterior bottom surface of the document reading unit at a position near the rear side surface. It is arranged inside the document reading unit rather than the intersection position.
A recording device characterized by that. In the recording device according to claim 9, the document reading unit includes a housing that accommodates the reading means and has a protrusion that projects vertically downward.
A flexible flat cable that is connected to the reading means and deformed with the movement of the reading means and arranged in an area formed inside the protrusion.
The rear bottom surface is a bottom surface at a position where the flexible flat cable is arranged.
A recording device characterized by that. In the recording device according to claim 10, the medium feeding unit includes a feeding roller for feeding the medium.
At least a part of the feeding roller is arranged inside the document reading unit from the intersection position.
A recording device characterized by that. In the recording device according to claim 10 or 11, the housing has an inclined surface that rises in a direction opposite to the transport direction of the medium with respect to the rear bottom surface.
A part of the medium feeding unit is arranged on the back surface side of the inclined surface.
A recording device characterized by that. In the recording device according to claim 12, a cable fixing portion for fixing a part of the flexible flat cable is provided on the rear bottom surface.
The flexible flat cable extends from the cable fixing portion in a first direction, which is one direction in the moving direction of the reading means, is curved and inverted, and extends in a second direction opposite to the first direction to the reading means. A deformation section that is connected and deforms with the movement of the reading means,
It has a fixed section extending from the cable fixing portion in the first direction or the second direction.
The fixed section is arranged at a position closer to the medium feeding section than the modified section.
The fixed section of the flexible flat cable is arranged along the inclined surface.
A recording device characterized by that.

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