JP2011139389A - Multi function peripheral - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction which is capable of improving a degree of freedom for options of an installation place and further enlarging an effective space in the room by saving space on an upper side of a multi function peripheral (MFP). <P>SOLUTION: An MFP 10 has a printer casing 14, a scanner casing 15, a document cover 17 and a link mechanism 50. A document holder 30 is supported in an upper portion of the scanner casing 15 so as to slide back and forth. The document cover 17 and the document holder 30 are linked by the link mechanism 50. The link mechanism 50 turns the document cover 17 between a closed posture and an intermediate posture along with a sliding operation of the document holder 30. In detail, when the document holder 30 is drawn out, the document cover 17 changes from the closed posture to the intermediate posture and when the document holder 30 returns to its original position, the document cover 17 changes from the intermediate posture into the closed posture. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a multifunction machine including an image recording unit provided at a lower portion and a scanner unit provided at an upper portion, and more particularly to a multifunction device in which a document holding plate having a document holding surface is configured to be movable.

  2. Description of the Related Art Conventionally, a multifunction peripheral including a scanner unit having a function of reading an image of a document (scan function) and an image recording unit having a function of recording an image on a recording sheet (print function) is widely known. In a general multifunction machine, an image recording unit is provided at the lower part and a scanner unit is provided at the upper part. The scanner unit is provided with a document holding plate on which a document to be read is placed and a document cover that can be opened and closed with respect to the document holding plate. When the document cover is closed after the document is placed on the document holding plate and the scanner operation starts in this state, the reading element disposed below the document holding plate moves along the back surface of the document holding plate, Read the original image. As this type of multi-function peripheral, for example, a multi-function peripheral having an image reading device in which a contact glass can rotate in the same manner as a document cover is known (see Patent Document 1).

Japanese Patent Laid-Open No. 11-215314

  However, in a conventional multifunction machine, when placing a document on the document holding surface, the document cover must be rotated upward in order to expose the document holding surface. For this reason, when installing a multifunction device in a cabinet or rack used in an office, etc., a sufficient space must be provided between the multifunction device and the shelf on the upper side so that the document cover can be opened and closed. Must be secured. In other words, since a multi-function device can be installed only in a place where the space can be secured, the conventional multi-function device limits the installation location. The space is necessary only when the multifunction device is used as a flatbed scanner (that is, when the document cover is opened and closed). For example, when the multifunction device is used as a printer. The above space is unnecessary. The usage frequency of each of the multiple functions of the multifunction device depends on the user's usage environment, but if the scanning function usage frequency is far less than the printing function usage frequency, the user must The above space may be wasted. If a multifunction machine is installed in a place where the above space cannot be secured sufficiently, the opening / closing operation of the document cover is restricted. Therefore, the user is forced to place the document on the document holding surface with the document cover half open. In this case, the document cannot be accurately placed on the document holding surface.

  The present invention has been made in view of the above problems, and the object thereof is to increase the degree of freedom of installation location options, and to reduce indoor space by reducing the space above the multifunction peripheral. The object is to provide means capable of expanding the effective space.

(1) The present invention is configured as a multifunction machine including an image recording unit provided in the lower part and a scanner unit provided in the upper part. The scanner unit is slidably supported and read between a unit main body, a first position arranged at an upper portion of the unit main body, and a second position drawn from the unit main body to the front side of the apparatus. A document holding plate having a document holding surface for holding a document, a first rotation posture for covering the document holding surface with the back side of the unit body as a rotation center, and a second rotation for exposing the document holding surface A cover member that is rotatable between the first position and the second position. The cover member is moved from the first rotational position to the second time in conjunction with a slide operation of the document holding plate from the first position to the second position. A link mechanism that rotates to a third rotation position having a smaller rotation angle than the movement position and maintains the third rotation position.

  With this configuration, the user can accurately place the document on the document holding surface by pulling the document holding plate from the first position to the second position. Further, since the cover member is rotated from the first rotation position to the third rotation position in conjunction with the slide of the document holding plate by the link mechanism, the document holding plate is moved to the first position after placing the document on the document holding surface. Even if the position is returned to the first position, the original is accurately set without being displaced. Further, the cover member is rotated from the first rotation posture to the third rotation posture in conjunction with the movement of the document holding plate from the first position to the second position, but is not further rotated. . For this reason, the space to be secured above the multi-function peripheral can be saved, and therefore the effective space in the room is expanded. In addition, since the multi-function peripheral can be installed in a narrow place where sufficient space cannot be secured above, options for the multi-function peripheral installation location are expanded.

(2) The link mechanism is connected to the rotation shaft pivotally supported by the unit main body and the rotation shaft, and extends from the rotation shaft to the front side of the device to support the back surface of the cover member. A link arm having a first arm and a second arm extending from the rotating shaft to the back side of the apparatus and supported by the upper surface of the document holding plate, and an elastic member for urging the first arm upward And a support portion that is disposed below the document holding plate and can support the tip of the second arm. In this configuration, when the document holding plate is slid from the first position toward the second position and the tip of the second arm is not supported by the document holding plate, the biasing force of the elastic member causes The cover member is rotated from the first rotation posture to the second rotation posture by the first arm biased upward, and the tip of the second arm comes into contact with the support portion. The rotation of the cover member is restricted, and the cover member is stationary in the third rotation posture.

(3) It is preferable that a roller is provided at the tip of the second arm. Thereby, the contact between the second arm and the document holding plate becomes smooth.

  According to the MFP of the present invention, it is possible to increase the degree of freedom of the choice of installation location, and it is possible to expand the effective space in the room by reducing the upper space.

FIG. 1 is a schematic perspective view illustrating an external configuration of a multifunction machine 10 that is an example of an embodiment of the present invention. FIG. 2 is a schematic perspective view showing the configuration of the rail support mechanism 40. FIG. 3 is a cross-sectional view taken along section line III-III in FIG. FIG. 4 is a schematic diagram illustrating the configuration and positional relationship of the document holding table 30 and the link mechanism 50 when the document holding table 30 is accommodated in the multifunction machine 10. FIG. 5 is a schematic diagram showing the configuration and positional relationship of the document holding table 30 and the link mechanism 50 when the document holding table 30 is pulled out from the multifunction machine 10. FIG. 6 is a schematic diagram for explaining the operation of the document cover 17 interlocked with the slide of the document holder 30 and shows a schematic section taken along the cutting line VI-VI in FIG. FIG. 7 is a schematic diagram for explaining the opening / closing operation of the document cover 17, and a schematic cross section taken along the cutting line VI-VI in FIG. 4 is shown.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings as appropriate. The embodiment described below is merely an example of the present invention, and it is needless to say that the embodiment of the present invention can be changed as appropriate without departing from the gist of the present invention.

[Schematic configuration of MFP 10]
FIG. 1 is a schematic perspective view showing an external configuration of a multifunction machine 10 which is an example of an embodiment of the present invention. FIG. 1A shows a document holding table 30 (an example of a document holding plate of the present invention) which will be described later. Is shown in a state where the document holding table 30 is pulled out from the multifunction device 10 to the front side (front side). In the following description, the vertical direction 7 is defined with reference to the state in which the multifunction machine 10 is installed (the state shown in FIG. 1), and the side where the opening 13 is provided is the front side (front side). ) Is defined as the front-rear direction 8, and the left-right direction 9 is defined when the multifunction machine 10 is viewed from the front side (front).

  As shown in FIG. 1, the multifunction machine 10 is generally a rectangular parallelepiped having a large width (length in the left-right direction 9) and depth (length in the front-rear direction 8) with respect to height (length in the up-down direction 7). Is formed. The multifunction machine 10 has a print function and a scan function, a printer device 11 that realizes a printer function is provided in the lower portion, and a scanner device 12 that realizes the scan function is provided in the upper portion. In general, this type of multi-function machine has a height higher than that of the scanner device alone, and therefore, the installation location is limited as compared with the scanner device alone. The present invention is not limited to the multifunction machine 10 of the present embodiment having the above two functions, and can be applied to, for example, a copying machine having only a copy function, and a multifunction machine to which a facsimile function is added.

[Schematic Configuration of Printer Device 11]
An inkjet recording type printer device 11 (an example of a printer unit of the present invention) is provided at the lower part of the multifunction machine 10. The printer device 11 has a printer housing 14 having an opening 13 formed in the front. A tray 24 for receiving recording paper is mounted in the opening 13. A plurality of components for realizing the printing function, for example, a conveyance roller for conveying a recording sheet, a recording head for ejecting minute ink droplets toward the recording sheet, and a sheet conveyance from the tray 24 to the recording head Guides and the like are provided inside the printer housing 14. The recording paper fed rearward from the tray 24 is transported forward by the paper transport guide so as to turn upward and make a U-turn, and then reaches the recording head. When image recording is performed on the recording paper by the recording head, the recording paper is further conveyed forward and discharged onto the upper surface cover 25 of the tray 24. The printer device 11 is not limited to the ink jet recording method, and may be an electrophotographic method or a thermal transfer method.

[Schematic Configuration of Scanner Device 12]
A scanner device 12 (an example of a scanner unit of the present invention) is provided above the printer device 11. The scanner device 12 includes a thinly formed substantially rectangular parallelepiped scanner housing 15 (an example of a unit body of the present invention), a document holding table 30, a document cover 17 (an example of a cover member of the present invention), and a link mechanism. 50 (an example of the link mechanism of the present invention). A plurality of components for realizing the scanning function, for example, a reading element such as CIS and CCD, a driving mechanism for moving the reading element, and the like are provided in the scanner housing 15.

  The document holding table 30 is provided on the upper portion of the scanner housing 15. The document holding table 30 includes a rectangular contact glass 31 and a frame frame 32 that supports the contact glass 31 so as to surround four sides of the contact glass 31. A handle 34 is provided on the front side of the frame 32. In addition, an inclined plate 36 is provided at the rear end of the frame frame 32 so as to incline backward and obliquely downward. In addition, if it is a transparent plate-shaped member, it can replace with the contact glass 31, and can also employ | adopt the board member comprised by raw materials other than glass, for example, an acrylic board.

  The document holding table 30 is slidably supported on the upper side of the scanner housing 15. In the present embodiment, the document holding table 30 is arranged on the upper portion of the scanner housing 15 and is pulled out from the scanner housing 15 to the front side and the first position (see FIG. 1A) covering the opening 16 on the upper surface thereof. Thus, it is slidable between the second position where the entire surface of the contact glass 31 is exposed (see FIG. 1B). For this reason, the user can pull the document holding table 30 forward by holding the handle 34 and pulling it forward.

  The slide support mechanism of the document holder 30 is realized by a rail support mechanism 40 provided in the scanner housing 15. FIG. 2 is a schematic perspective view showing the configuration of the rail support mechanism 40. FIG. 3 is a cross-sectional view of the cut surface III-III in FIG. 2, in which the stopper 49 of the rail support mechanism 40 is shown in detail. As shown in FIG. 1, rails 41 are provided at both ends of the opening 16 in the left-right direction 9. As shown in FIG. 2, the rail 41 has a substantially U-shaped cross section, and both end portions in the left-right direction 9 of the frame frame 32 of the document holding table 30 are inserted into the groove portion. The rail 41 supports the document holder 30 so as to be slidable in the front-rear direction 8 with both end portions of the frame frame 32 being inserted into the groove portion. In this embodiment, when the document holding table 30 is pulled out from the first position shown in FIG. 2A to the front side and reaches the second position shown in FIG. 2B, the stopper of the rail support mechanism 40 is stopped. 49 restricts further slide movement to the front side. Specifically, a protruding stopper 49 protruding upward from the lower support portion 42 of the rail 41 is provided on the rail 41, and when the document holder 30 reaches the second position, as shown in FIG. The stopper 46 is inserted into the notch groove 45 formed in the frame frame 32 of the document holder 30. Thus, the stopper 49 restricts the document holder 30 from being pulled out to the front side. The front side of the stopper 49 is inclined, and the stopper 49 is formed to be elastically deformable in the vertical direction. Accordingly, when the document holding table 30 is slid from the second position to the first position, the edge 46 on the front side of the notch groove 45 moves rearward along the inclined surface of the stopper 49 and the stopper 49. Is elastically deformed downward. Accordingly, the stopper 49 is removed from the notch groove 45, so that the document holding table 30 can be slid from the second position to the first position.

  A document cover 17 for covering the upper surface of the document holder 30 is attached to the scanner housing 15. The document cover 17 is supported by a support mechanism 18 (see FIG. 6) such as a hinge on the back surface of the scanner housing 15 so that the document cover 17 can be opened and closed with respect to the document holding table 30 disposed at the first position. . As a result, the document cover 17 has a closed posture (the posture shown in FIG. 7A) covering the upper surface of the contact glass 31 of the document holding table 30 with the back side as the rotation center, and an upper side from the upper surface of the contact glass 31. It is possible to rotate between the open postures separated from each other (the posture shown in FIG. 7B). When the document cover 17 is in the open posture, the upper surface (corresponding to the document holding surface of the present invention) of the contact glass 31 is exposed even when the document holding table 30 is disposed at the first position. The closed posture corresponds to the first rotational posture of the present invention, and the open posture corresponds to the second rotational posture of the present invention.

  There are two methods for causing the scanner device 12 to read an image of a document. One is to rotate the document cover 17 from the closed position to the open position with the document holder 30 placed at the first position to expose the upper surface of the contact glass 31, and to expose the document on the contact glass 31. This is a conventional method in which the document cover 17 is closed after the document is placed and then the reading operation is started. The other is that the original cover 17 is pulled out from the first position to the second position with the original cover 17 in the closed posture to expose the upper surface of the contact glass 31, and the original is placed on the contact glass 31. After that, the original holding table 30 is pushed backward to return to the first position. However, in the latter method, when the document holding table 30 is returned to the first position, the document placed on the upper surface of the contact glass 31 comes into contact with the back surface of the document cover 17 to cause a positional deviation. Since there is no gap for the original to enter between the contact glass 31 and the original cover 17, only the original holder 30 may advance to the first position, and the original may not enter the lower side of the original cover 17. However, since the multifunction machine 10 of the present embodiment is provided with a link mechanism 50 described later, the document holding 30th is lifted by the link mechanism 50 until the document holding table 30 returns to the first position. Maintain state. Therefore, even when the image is read by the latter method, the original can be accurately set on the contact glass 31 without causing a positional shift.

[Link mechanism 50]
Hereinafter, the configuration and operation of the link mechanism 50 will be described with reference to FIGS. 4 to 6. 4 and 5 are schematic diagrams showing the configuration and positional relationship of the document holding table 30 and the link mechanism 50. FIG. 4A and 4B show a state where the document holding table 30 is accommodated in the multifunction machine 10, where FIG. 4A is a plan view and FIG. 4B is a perspective view. FIG. 5 shows a state in which the document holding table 30 is pulled out from the multifunction machine 10, (A) is a plan view, and (B) is a perspective view. 4A and 5A, the document cover 17 and a part of the scanner housing 15 (a link housing portion 52 to be described later) are omitted for convenience of explanation, and FIG. 4B and FIG. In FIG. 5B, only the link mechanism 50 and the document holding table 30 are shown. 6 is a schematic cross-sectional view taken along the cutting line VI-VI in FIG. Moreover, in FIG. 4 thru | or FIG. 6, the rail support mechanism 40 is abbreviate | omitted for convenience of explanation.

  As shown in FIG. 4, the link mechanism 50 is provided at the left end of the scanner housing 15. Specifically, it is provided inside a box-shaped link housing 52 (see FIG. 1) formed at the left end of the scanner housing 15. The link mechanism 50 moves the document cover 17 from the closed position to the intermediate position with a smaller rotation angle than the open position in conjunction with the slide operation of the document holding base 30 from the first position to the second position. The document cover 17 is maintained in an intermediate position by being rotated to the third rotation position of the invention.

  In order to realize the above function, the link mechanism 50 includes a link arm 54 (an example of the link arm of the present invention) extending along the front-rear direction 8, a rotating shaft 56 (an example of the rotating shaft of the present invention), and a torsion. The coil spring 69 (an example of the elastic member of the present invention) and a support plate 67 (an example of the support portion of the present invention) are configured.

  The link arm 54 is formed of a flat plate member whose both side surfaces in the left-right direction 9 are wide vertical surfaces. A rotation shaft 56 is provided on the left side surface of the link arm 54. The rotation shaft 56 is formed of a cylindrical member that protrudes leftward from the left side surface of the link arm 54. In the present embodiment, as shown in the figure, the rotation shaft 56 is provided slightly rearward from the central portion of the link arm 54 in the front-rear direction 8. A bearing (not shown) formed integrally with the scanner housing 15 is provided inside the link housing portion 52, and a rotating shaft 56 is rotatably supported by the bearing. As a result, the link arm 54 can rotate about the axis of the rotation shaft 56 as a rotation center.

  The link arm 54 includes a first arm 58 (an example of the first arm of the present invention) and a second arm 59 (an example of the second arm of the present invention). The first arm 58 extends from the rotation shaft 56 to the front side (forward) of the multifunction machine 10. A columnar support shaft 61 extending in the right direction is provided at the distal end portion (front end portion) of the first arm 58. The support shaft 61 is formed at a position and size that can be inserted into a bearing groove 62 (see FIG. 6) provided on the back surface of the document cover 17. By inserting the support shaft 61 into the bearing groove 62, the document cover 17 is supported by the support shaft 61 of the first arm on the back side thereof. A rib plate 63 extending in the front-rear direction 8 is provided on the back surface of the document cover 17, and the bearing groove 62 is formed on the front side of the rib plate 63. The bearing groove 62 is formed by cutting the lower end of the rib plate 63 (the end portion on the side of the document holding table 30) into a groove shape upward.

  The second arm 59 extends from the rotation shaft 56 to the back side (rear side) of the multifunction machine 10. A cylindrical support shaft 64 extending in the right direction and a roller 65 rotatably supported by the support shaft 64 (an example of the roller of the present invention) are provided at the distal end portion (rear end portion) of the second arm 59. Is provided. The roller 65 is provided at a position where it can contact the support surface 33 on the upper surface of the left end portion of the frame frame 32. The roller 65 is supported by the support surface 33 of the frame 32 when the document holding table 60 is located at the first position, but the process of sliding the document holding table 60 from the first position to the second position. Thus, the document holding table 60 falls downward from the rear end, so that it is not supported by the support surface 33.

  The torsion coil spring 69 is supported on the rotating shaft 56. The torsion coil spring 69 applies a biasing force that biases the first arm 58 upward to the link arm 54. This biasing force is set to a force sufficient to lift the first arm 58 upward and to rotate the document cover 17 from the closed posture to the opening direction via the support shaft 61. Since such a torsion coil spring 69 is provided, the link arm 54 tries to rotate counterclockwise about the rotation shaft 56 in the left side view when no other external force is applied. Along with the rotation, the first arm 58 rotates the document cover 17 in the same direction (opening direction). In addition, as long as the urging | biasing force which satisfy | fills the above-mentioned conditions is provided to the 1st arm 58, it is not restricted to the torsion coil spring 69, It is possible to apply various elastic members.

  The support plate 67 is provided on the back side of the scanner housing 15. The support plate 67 is a plate-like member that protrudes horizontally from the back surface of the scanner housing 15. As shown in FIG. 6, the support plate 67 is disposed below the document holding table 30. The support plate 67 is provided directly below the roller 65. Therefore, when the roller 65 is no longer supported by the document holder 30, the roller 65 is supported by the support plate 67.

[Operation of Link Mechanism 50]
Since such a link mechanism 50 is provided, the document cover 17 rotates in conjunction with the slide operation of the document holder 30. Hereinafter, the operation of the link mechanism 50 will be described. As shown in FIG. 6A, when the document cover 17 is in the closed position and the document holding table 30 is in the first position, the roller 65 is stationary while being in contact with the support surface 33 of the frame frame 32. is doing. At this time, a biasing force in the counterclockwise direction about the rotation shaft 56 is applied to the link arm 54 by the torsion coil spring 69, but the second arm 59 is supported by the support surface of the frame frame 32 via the roller 65. By being supported by 33, rotation in the counterclockwise direction is restricted. For this reason, the link arm 54 remains stationary with the roller 65 in contact with the support surface 33 of the frame 32.

  When the document holding table 30 is pulled out from the first position toward the second position, the roller 65 moves rearward relative to the document holding table 30 while rotating. When the document holding table 30 is further pulled out and the roller 65 passes through the inclined plate 36, the roller 65 falls into the gap between the back surface of the scanner housing 15 and the rear end portion of the document holding table 30. No longer supported. As a result, the restriction in the counterclockwise rotation direction is released, and the first arm that has been urged upward by the urging force of the torsion coil spring 69 begins to rotate in the counterclockwise rotation direction. The cover 17 is lifted upward.

  The second arm 59 also rotates in the counterclockwise direction together with the roller 65. However, when the roller 65 abuts on the support plate 67 and is supported, the rotation in the counterclockwise direction is restricted again. Therefore, the link arm 54 is brought into a stationary state again with the roller 65 in contact with the support plate 67. At this time, the document cover 17 is lifted to an intermediate position (see FIG. 6C) between the open position and the closed position, and the upward movement thereafter is restricted. The intermediate posture is set to such an extent that a space (gap) where a document can be placed is formed between the back surface of the document cover 17 and the contact glass 31.

  Thereafter, when the document holder 30 is pulled out to the second position, the entire surface of the contact glass 31 is exposed. In this state, it is possible to place a document on the contact glass 31. When the document holder 30 is pushed from the second position to the first position after the document is placed on the contact glass 31, the document placed on the contact glass 31 is placed at a position where it can be read. At this time, when the document holding table 30 approaches the first position, first, the roller 65 rides on the upper surface of the inclined plate 36 so as to be scooped up by the inclined plate 36. When the document holder 30 is further pushed in and disposed at the first position, the roller 65 is disposed on the support surface 33 of the frame frame 32, and the state shown in FIG. In the process in which the document holding table 30 is slid from the second position to the first position, the force that biases the document cover 17 upward is not applied to the bearing groove 62. Therefore, the document cover 17 returns from the intermediate position to the closed position by its own weight.

  As shown in FIG. 7, when placing the document on the contact glass 31 after the document cover 17 is in the open position, the document cover 17 is lifted upward as is conventionally done. Only can be pivoted upward.

[Effect of the embodiment]
In this manner, the document cover 17 is rotated from the closed position to the intermediate position in conjunction with the slide of the document holding table 30 by the link mechanism 50, so that the document holding table 30 is moved to the first position after the document is placed on the contact glass 31. Even if the position is returned to the first position, the original is accurately set without being displaced. Further, although the document cover 17 is rotated to the intermediate position but is not further rotated, the space to be secured above the multifunction machine 10 can be saved. This increases the effective space in the room. Further, the use of the multifunction device 10 is not hindered, and the multifunction device 10 can be installed in a narrow place where a sufficient space cannot be secured above, so that options for the installation location of the multifunction device are expanded.

DESCRIPTION OF SYMBOLS 10 ... MFP 11 ... Printer device 12 ... Scanner device 14 ... Printer housing 15 ... Scanner housing 17 ... Document cover 30 ... Document holding table 31 ... Contact Glass 36 ... Inclined plate 50 ... Link mechanism 54 ... Link arm 56 ... Rotating shaft 58 ... First arm 59 ... Second arm 61 ... Support shaft 62 ... Bearing groove 63 ... rib plate 64 ... support shaft 65 ... roller 67 ... support plate 69 ... torsion coil spring

Claims (3)

A multi-function machine comprising an image recording unit provided in the lower part and a scanner unit provided in the upper part,
The scanner unit
The unit body,
A document holding surface on which a document to be read and held is slidably supported between a first position disposed at the top of the unit body and a second position drawn from the unit body to the front side of the apparatus. A document holding plate having,
A cover member that is rotatable between a first rotation posture that covers the document holding surface with the back side of the unit body as a rotation center and a second rotation posture that exposes the document holding surface;
In conjunction with the sliding movement of the document holding plate from the first position to the second position, the cover member is rotated from the first rotation position to a third rotation with a smaller rotation angle than the second rotation position. And a link mechanism that rotates to a posture and maintains the third rotation posture. The link mechanism is
A rotating shaft pivotally supported by the unit body;
A first arm connected to the rotation shaft, extending from the rotation shaft to the front side of the apparatus and supporting the back surface of the cover member, and extending from the rotation shaft to the back side of the apparatus and the original. A link arm having a second arm supported on the upper surface of the holding plate;
An elastic member for urging the first arm upward;
A support part disposed below the document holding plate and capable of supporting the tip of the second arm,
When the document holding plate is slid from the first position toward the second position and the tip of the second arm is no longer supported by the document holding plate, it is biased upward by the biasing force of the elastic member. The cover member is rotated from the first rotation posture toward the second rotation posture by the first arm, and the tip of the second arm abuts on the support portion, whereby the cover member The multifunction device according to claim 1, wherein the rotation of the cover member is restricted and the cover member is stationary in the third rotation posture.   The multifunction machine according to claim 2, wherein a roller is provided at a tip of the second arm.

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