JP2014164008A - Image forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact image forming apparatus.SOLUTION: An image forming apparatus includes: a pair of frames facing each other across an image forming unit; a housing 2 having a side cover 22 covering an outside surface of a frame arranged on one side with respect to the image forming unit; a read unit 10 which is arranged above the housing 2 and turns with respect to the housing 2 so as to be opened or closed; an arm 100 arranged on one side with respect to the image forming unit, having one end turnably connected to the housing and the other end slidably connected to the read unit 10; and a guide 200 arranged in the read unit 10 to support the other end of the arm 100 slidably. The read unit 10 includes an outside wall part 11A covering a side face outside of the guide 200 in a facing direction of the frames. The outside wall part 11A overlaps the side cover 22 as seen from the facing direction when the read unit 10 is closed.

Description

  The present invention relates to an image forming apparatus including a reading device.

  Conventionally, a reading device that can be rotated in an open state and a closed state is provided on an upper portion of a housing that accommodates an image forming unit, and the posture can be maintained when the reading device is rotated in an open state. An image forming apparatus is known (see, for example, Patent Document 1).

  Specifically, the image forming apparatus includes an arm that supports the reading device that is turned to the open state. One end of the arm is rotatably supported by the housing, and the other end is slidably supported by a guide provided on the lower surface of the reading device. A side wall that covers the outer surface of the guide is provided on the lower surface of the reading device, and this side wall is configured to be placed on the housing when the reading device is turned to the closed state. ing.

JP 2011-104823 A

  However, in the above-described technique, since the guide and the side wall provided on the lower surface of the reading device are placed on the housing, the device is increased in size in the height direction.

  SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus capable of downsizing the apparatus.

In order to achieve the above object, an image forming apparatus according to the present invention includes a pair of frames facing each other with the image forming unit interposed therebetween, and a cover that covers an outer surface of the frame disposed on one side with respect to the image forming unit. A housing, a reading device that is provided above the housing and is rotatable in an open state and a closed state with respect to the housing, and is disposed on the one side with respect to the image forming unit, with one end portion disposed on the housing. An arm that is rotatably connected to the body and has the other end slidably connected to the reading device, and a guide that is provided on the reading device and supports the other end of the arm to be slidable. Yes.
The reading device has a wall portion that covers at least the outer side surface in the facing direction of the pair of frames of the guide, and the wall portion overlaps the cover when viewed from the facing direction when the reading device is in the closed state. Configured.

  According to the image forming apparatus configured as described above, when the reading apparatus is in the closed state, the wall portion and the cover overlap each other, so that the apparatus can be downsized compared to the configuration in which the wall portion is disposed above the cover. Can do.

  The above-described image forming apparatus preferably includes a shaft support portion that rotatably supports the reading device, and the wall portion preferably extends from a position covering the guide to an end portion on the shaft support portion side.

  According to the image forming apparatus configured as described above, the wall between the reading device and the cover is hidden by the wall when the reading device is rotated from the open state to the closed state. An object can be prevented from being caught.

  In the above-described image forming apparatus, the cover may have a support portion that rotatably supports one end portion of the arm.

  In this case, it is preferable that the support portion is provided outside the one side frame in the facing direction.

  According to the image forming apparatus configured as described above, the support portion can be provided at a position lower than the upper end of the frame, so that the apparatus can be further downsized.

The image forming apparatus described above may include a fixing device disposed between a pair of frames.
In this case, it is preferable that the guide overlaps with the fixing device when viewed from the facing direction when the reading device is in the closed state.

  According to the image forming apparatus configured as described above, the space next to the fixing device can be effectively used, and thus the apparatus can be reduced in size.

  In the above-described image forming apparatus, the wall portion has an inner wall portion that covers an inner side surface in the facing direction of the guide, and the inner wall portion of the guide in the sliding movement direction of the other end portion of the arm with respect to the guide. It is desirable that the one end be exposed.

  According to the image forming apparatus configured as described above, when the arm is assembled to the guide, the arm can be easily attached by bending one end of the guide.

  In the above-described image forming apparatus, the wall portion has an inner wall portion that covers an inner side wall in the facing direction of the guide, and the inner wall portion is the other end portion of the arm when the reading device is in the closed state. The other end of the arm when the reading device is rotated from the covering position toward the open state extends downstream in the slide movement direction, and the end on the downstream side in the slide movement direction is the end of the arm when the reading device is in the open state. You may arrange | position in the position of the slide movement direction upstream rather than the position which covers an other end part.

  Even in the image forming apparatus configured as described above, when the arm is assembled to the guide, the arm can be easily attached by bending one end of the guide. Further, in this configuration, the arm can be assembled to the guide in the open state in which the reading device is rotated upward, so that the assembling work is easy.

  According to the present invention, when the reading device is located at the lowest position, the wall portion and the cover overlap each other, so that the device can be reduced in size as compared with the configuration in which the wall portion is disposed above the cover.

1 is a diagram illustrating a schematic configuration of a multifunction peripheral according to an embodiment of the present invention. FIG. 4 is a perspective view (a) showing the multifunction machine when the reading device is in an open state, and a partially enlarged view (b) showing the vicinity of the engaging portion of the arm in (a). It is the perspective view (a) which shows an arm, and the perspective view (b) which shows a guide. It is a top view which shows a side frame, a side cover, and a fixing frame. It is a figure which shows the lower surface of a reader. It is a left view which shows an arm and a guide when a reader is a closed state. It is a left view which shows an arm and a guide when a reader is an open state.

  Next, an embodiment of the present invention will be described in detail with reference to the drawings as appropriate. In the following description, first, the overall configuration of the multifunction machine 1 as an example of the image forming apparatus will be described, and then the characteristic part of the present invention will be described in detail.

  In the following description, the direction will be described with reference to the user when using the multifunction device 1. That is, in FIG. 1, the right side toward the paper surface is “front side (front side)”, the left side toward the paper surface is “rear side (back side)”, the back side toward the paper surface is “right side”, and it faces the paper surface. Let the near side be the “left side”. In addition, the vertical direction toward the page is defined as the “vertical direction”.

<Schematic configuration of MFP>
As shown in FIG. 1, the multifunction machine 1 includes a housing 2 and a reading device 10 provided above the housing 2. The multifunction machine 1 mainly includes a feeder unit 3 that supplies paper P and an image forming unit 4 that forms an image on the fed paper P in a housing 2.

  The housing 2 is provided with a top cover 23 that covers the upper surface and a front cover 24 that covers the front surface.

The top cover 23 is a cover member that opens and closes an opening formed on the upper surface of the housing 2, and is provided so as to be rotatable up and down with the rear portion as a fulcrum.
The front cover 24 is a cover member that opens and closes the insertion port 2B formed on the front surface of the housing 2, and is provided so as to be rotatable forward and backward with the lower part as a fulcrum. Then, by opening the front cover 24 and opening the insertion slot 2B, it is possible to insert the paper P into the housing 2 from the insertion slot 2B.

  The reading device 10 is a flat bed scanner having a known configuration. When copying, the image is generated by irradiating a document with light and reading the image. The reading device 10 has a bearing portion 10A at the rear end portion, and the bearing portion 10A rotates to a rotation shaft portion 2A as an example of a shaft support portion provided at the upper rear end portion of the housing 2. Supported as possible. Accordingly, the reading device 10 is in a closed state in which the front end portion of the reading device 10 is located at the lowest position with respect to the housing 2 as illustrated in FIG. 1 and the reading device 10 with respect to the housing 2 as illustrated in FIG. The front end of 10 can be rotated to the open state where it is located at the uppermost position. Further, the reading device 10 is configured such that the lower surface 10 </ b> B (see FIG. 2) abuts on the upper end of the housing 2 and rests on the housing 2 when in the closed state.

  Returning to FIG. 1, the feeder unit 3 is located below the housing 2 and includes a paper feed tray 31 on which the paper P is placed and a paper feed mechanism 32.

  The paper feed tray 31 includes a paper placement plate 31A on which the paper P is placed and the front cover 24 described above. Specifically, the front cover 24 constitutes a front portion of the paper feed tray 31 in a state where the front cover 24 is tilted to the front side indicated by a solid line, and the paper placement plate 31A is provided behind the front cover 24 and feeds paper. The rear part of the tray 31 is configured. The paper placement plate 31A is configured to lift the paper P placed on the paper feed tray 31 toward a paper feed roller 32A described later.

  The paper feed mechanism 32 includes a paper feed roller 32A disposed above the rear end of the paper placement plate 31A, and is configured to supply the paper P on the paper feed tray 31 to the image forming unit 4 one by one. Has been.

  The image forming unit 4 includes a scanner unit 5, a process cartridge 6, and a fixing device 7.

  The scanner unit 5 is provided on the front side in the housing 2 and includes a laser light emitting unit, a polygon mirror, a lens, a reflecting mirror, and the like (not shown). In the scanner unit 5, a laser beam is irradiated on the surface of the photosensitive drum 61 by high-speed scanning.

  The process cartridge 6 is provided above the paper feed mechanism 32 in the rear part of the housing 2. The process cartridge 6 can be attached to and detached from the housing 2 through an opening formed by opening the top cover 23, and the transfer roller 62 that transfers the toner image on the photosensitive drum 61 to the paper P. , A charger (not shown), a developing roller (not shown), a supply roller, a toner storage chamber, and the like.

  In the process cartridge 6, the surface of the rotating photosensitive drum 61 is uniformly charged by a charger and then exposed by high-speed scanning of a laser beam from the scanner unit 5. As a result, the potential of the exposed portion is lowered, and an electrostatic latent image based on the image data is formed on the surface of the photosensitive drum 61.

  Next, the toner in the toner storage chamber is supplied to the electrostatic latent image on the photosensitive drum 61 by the developing roller, and a toner image is formed on the surface of the photosensitive drum 61. Thereafter, the paper P is transported between the photosensitive drum 61 and the transfer roller 62, whereby the toner image carried on the surface of the photosensitive drum 61 is transferred onto the paper P.

  The fixing device 7 is located on the upper rear side of the housing 2 and is disposed above the process cartridge 6. The fixing device 7 mainly includes a heating roller 71 and a pressure roller 72.

The heating roller 71 is a member that heats the paper P, and a heat source such as a halogen lamp is provided inside thereof.
The pressure roller 72 is a member that sandwiches and conveys the paper P with the heating roller 71 and is provided obliquely above the heating roller 71.

  In the fixing device 7 configured as described above, the toner transferred onto the paper P is thermally fixed while the paper P passes between the heating roller 71 and the pressure roller 72. The paper P thermally fixed by the fixing device 7 is conveyed to a discharge roller 8 disposed on the downstream side of the fixing device 7, and is discharged from the discharge roller 8 onto a discharge tray 9 formed on the top surface of the top cover 23. To be discharged.

<Detailed configuration around the reader>
Next, a detailed configuration around the reading device 10 which is a feature of the present invention will be described.

  As shown in FIG. 2, the multifunction device 1 includes an arm 100 and a guide 200 that support opening and closing of the reading device 10.

  One end of the arm 100 is connected to the housing 2 so as to be rotatable, and the other end is connected to the reading device 10 via the guide 200 so as to be slidable.

  The guide 200 is attached to the lower surface 10 </ b> B of the reading device 10. Specifically, the lower surface 10B of the reading device 10 is provided with a wall portion 11 protruding from the lower surface 10B. The wall portion 11 includes an outer wall portion 11A extending in the front-rear direction, a first inner wall portion 11B and a second inner wall portion 11C which are provided on the inner side in the left-right direction with respect to the outer wall portion 11A and which face the outer wall portion 11A. doing. The guide 200 is fitted between the outer wall portion 11A and the first inner wall portion 11B. In other words, the outer wall 11 </ b> A covers the side surface on the outer side in the left-right direction of the guide 200, and the first inner wall portion 11 </ b> B covers the side surface on the inner side in the left-right direction of the guide 200.

  As shown in FIG. 3A, the arm 100 includes a long main body 110, a first connecting part 120 provided at one end of the main body 110, and a first provided at the other end of the main body 110. 2 connecting portions 130.

  The 1st connection part 120 has a recessed part into which the support shaft 22C of the housing | casing 2 mentioned later can enter, and is comprised so that engagement to this support shaft 22C is possible.

  The second connecting portion 130 extends from the main body portion 110 in the longitudinal direction of the main body portion 110, and an engagement protrusion 131 protruding in the thickness direction is provided on a side surface thereof, specifically, a surface facing inward in the left-right direction. ing.

  As shown in FIG. 3B, the guide 200 is disposed on the left side of the first guide wall 210 having a substantially rectangular shape that is long in the front-rear direction and the first guide wall 210, and is opposed to the first guide wall 210. It has 2 guide walls 220 and a connecting wall 230 that connects the first guide walls 210 and the front ends of the second guide walls 220. And the 1st guide wall 210 and the 2nd guide wall 220 are arrange | positioned at intervals so that the 2nd connection part 130 of the arm 100 may be pinched | interposed between them. The guide 200 is made of resin or the like, and the first guide wall 210 is flexible.

  The first guide wall 210 has a guide groove 240 penetrating in the left-right direction. The guide groove 240 has a guide portion 241 extending from the front end portion to the rear end portion of the first guide wall 210 and an engaging portion 242 extending upward from the rear end portion of the guide portion 241.

  The guide 200 configured in this way is provided above the arm 100 as shown in FIG. The engagement protrusion 131 of the arm 100 is engaged with the guide groove 240 of the guide 200. Accordingly, the guide 200 supports the second connecting portion 130 of the arm 100 so as to be slidable in the front-rear direction along the guide groove 240.

  Next, the configuration of the housing 2 and the reading device 10 to which the arm 100 and the guide 200 configured as described above are attached will be described.

  As shown in FIG. 4, the housing 2 includes a pair of side frames 21 and a pair of side covers 22 that cover the outer surfaces of the pair of side frames 21.

  The pair of side frames 21 are disposed so as to face each other with the image forming unit 4 interposed therebetween from the left-right direction. For example, the fixing frame 73 that holds the heating roller 71 and the pressure roller 72 of the fixing device 7 is disposed between the pair of side frames 21 and supported by the pair of side frames 21.

  The pair of side covers 22 is disposed on the side opposite to the image forming unit 4 with respect to the side frames 21, that is, on the outer side in the left-right direction. Each side cover 22 has a side wall 22A that covers the outer surface of the corresponding side frame 21, and an upper wall 22B that extends inward in the left-right direction from the inner surface of the side wall 22A. The upper wall 22B is disposed at a position lower than the upper end of the side wall 22A, the upper end of the side frame 21, and the upper end of the fixing frame 73 (see FIG. 6).

  The left side cover 22L disposed on the left side with respect to the image forming unit 4 in the pair of side covers 22 is provided with a support shaft 22C as an example of a support unit.

  The support shaft 22C is an axis extending in the left-right direction, and is disposed on the inner side in the left-right direction than the side wall 22A of the left side cover 22L and on the outer side in the left-right direction than the left side frame 21. Then, as shown in FIG. 6, it is provided at a position overlapping the fixing frame 73 when viewed from the left-right direction. That is, the support shaft 22 </ b> C is provided on the left side of the fixing frame 73.

  The first connecting portion 120 of the arm 100 is engaged with the support shaft 22C, and the support shaft 22C supports the arm 100 so as to be rotatable. Accordingly, the arm 100 and the guide 200 coupled to the arm 100 are disposed on the left side with respect to the image forming unit 4 and are disposed on the inner side in the left-right direction with respect to the side wall 22A of the left side cover 22L.

  As shown in FIG. 5, the outer wall portion 11 </ b> A provided in the reading device 10 extends in the front-rear direction along the second guide wall 220, the front end portion is disposed at a position in front of the guide 200, and the rear The end portion is disposed up to a position overlapping the side wall 22A of the left side cover 22L when viewed from the left and right directions when the reading device 10 is in the open state (see FIG. 7). That is, the outer wall portion 11A extends from the position covering the guide 200 to the end portion on the bearing portion 10A side of the reading device 10, that is, the rear end portion.

  The first inner wall portion 11B extends in the front-rear direction along the first guide wall 210, the front end portion is disposed at a position in front of the guide 200, and the rear end portion is more than the engaging portion 242 of the guide 200. It arrange | positions at the position of the front side (refer FIG.2 (b)).

  That is, the first inner wall portion 11B moves the reading device 10 from a position that covers the engagement protrusion 131 of the arm 100 when the reading device 10 is in a closed state (a position that covers the front end portion of the guide portion 241 of the guide groove 240). The engagement protrusion 131 of the arm 100 when rotating from the closed state to the open state extends in the sliding direction (hereinafter simply referred to as “sliding direction”) downstream, that is, toward the rear side. The end of the first inner wall 11B on the downstream side of the sliding movement, that is, the rear end, covers the engagement protrusion 131 of the arm 100 when the reading device 10 is open (engagement of the guide groove 240). (Position covering the portion 242) at the upstream side in the slide movement direction, that is, at the front side position.

  The second inner wall portion 11C is a wall provided behind the first inner wall portion 11B. 11 C of 2nd inner wall parts are extended in the front-back direction, and the front-end part is arrange | positioned in the position away from the rear-end part of 1st inner wall part 11B. More specifically, the front end portion of the second inner wall portion 11 </ b> C is disposed on the rear side of the first guide wall 210 of the guide 200.

  Thereby, as shown in FIG. 2B, the rear end portion of the guide 200 is exposed from between the first inner wall portion 11B and the second inner wall portion 11C.

  The outer wall portion 11 </ b> A and the first inner wall portion 11 </ b> B are formed so as to protrude downward from the guide 200.

  Next, how to attach the arm 100 in the multifunction machine 1 configured as described above will be described.

  When attaching the arm 100 to the multifunction device 1, first, the reading device 10 is rotated upward to open the upper portion of the housing 2. Then, the guide 200 is assembled between the outer wall portion 11A and the first inner wall portion 11B of the reading device 10.

  After the guide 200 is assembled to the reading device 10, the arm 100 is connected to the housing 2 by engaging the first connecting portion 120 of the arm 100 with the support shaft 22 </ b> C of the housing 2.

  Then, the rear end portion of the first guide wall 210 of the guide 200 exposed from the first inner wall portion 11 </ b> B and the second inner wall portion 11 </ b> C is pinched and opened, and between the first guide wall 210 and the second guide wall 220. The second connecting portion 130 of the arm 100 is inserted into the arm 100. Next, the bent first guide wall 210 is returned to its original position, and the engaging protrusion 131 of the arm 100 is engaged with the engaging portion 242 of the guide groove 240, thereby connecting the arm 100 to the reading device 10.

  When the arm 100 is connected to the reading device 10, the guide 200 may be attached to the reading device 10 after first engaging the second connecting portion 130 of the arm 100 with the guide 200 before being assembled to the reading device 10. Good.

  In the multi-function device 1 configured as described above, as shown in FIG. 6, when the reading device 10 is in the closed state, the wall portion 11 of the reading device 10 and the side wall 22A of the side cover 22 are viewed from the left and right directions. Overlap. Thereby, compared with the case where the wall part 11 is mounted on the housing | casing 2 when the reader 10 is a closed state, an apparatus can be reduced in size.

  When the reading device 10 is in the closed state, the guide 200 is located on the front side of the support shaft 22C of the housing 2. In addition, the arm 100 has a posture in which the engagement protrusion 131 is engaged with the front end portion of the guide portion 241 of the guide groove 240 and falls sideways. In this state, the guide 200 and the arm 100 overlap the fixing frame 73 when viewed from the left-right direction.

  As described above, when the reading apparatus 10 is in the closed state, the arm 100 and the guide 200 are arranged beside the fixing frame 73, so that the space next to the fixing frame 73 can be used effectively. Thereby, the apparatus can be reduced in size.

  Further, since the support shaft 22C to which the arm 100 is connected is disposed at a position lower than the upper end of the side frame 21, the height of the apparatus can be suppressed.

  When the top cover 23 is to be opened, for example, when the process cartridge 6 is replaced, the closed reader 10 is lifted to the open state.

  When the reading device 10 is rotated from the closed state to the open state, the engagement protrusion 131 of the arm 100 moves rearward along the guide groove 240 of the guide 200 as shown in FIG. When the reading device 10 is in the open state, the engagement protrusion 131 of the arm 100 is engaged with the engagement portion 242 of the guide 200.

  At this time, the engaging portion 242 of the guide 200 is located above the support shaft 22 </ b> C of the housing 2. As a result, the arm 100 is in a standing posture and supports the reading device 10 in the open state.

  When the reading device 10 is in the open state, the lower surface 10B of the reading device 10 is exposed, but the guide 200 is interposed between the outer wall portion 11A and the first inner wall portion 11B. It is possible to prevent the arm 100 from being accidentally detached from the guide 200 or the guide 200 from being removed from the reading device 10 by touching the engaging protrusion 131.

  When returning the reading device 10 to the closed state, the reading device 10 is once lifted and then rotated toward the closed state. As a result, the engagement protrusion 131 of the arm 100 moves forward along the guide portion 241 after being disengaged from the engagement portion 242 of the guide 200.

  When the reading device 10 rotates from the open state to the closed state, the outer wall portion 11A extends from the rear end portion of the reading device 10 toward the front end portion, so that the lower surface of the reading device 10 and the left side cover 22L The space between the side wall 22A and the outer wall portion 11A is hidden. Thereby, when the reading device 10 is rotated from the open state to the closed state, it is possible to prevent an object from being caught between the reading device 10 and the side wall 22A.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment. About a concrete structure, it can change suitably in the range which does not deviate from the meaning of this invention.

  In the said embodiment, although the wall part 11 was formed so that both the side surface of the left-right direction outer side and inner side surface of the guide 200 might be covered, this invention is not limited to this. For example, the wall 11 may have only the outer wall 11 </ b> A and may be formed so as to cover only the outer side surface of the guide 200 in the left-right direction.

  In the embodiment, the outer wall portion 11A is provided up to the rear end portion of the reading device 10, but the present invention is not limited to this. For example, the outer wall portion 11A may be provided only in a range overlapping the guide 200 when viewed from the left-right direction.

  In the embodiment, the wall portion 11 covers the first inner wall portion 11B and the second inner wall portion 11C formed so as to cover the side surface on the inner side in the left-right direction of the guide 200 and to expose the rear end portion of the guide 200. However, the present invention is not limited to this. For example, the wall portion may have an inner wall portion formed so as to expose the front end portion of the guide 200.

  In the embodiment, the guide 200 is a separate component from the reading device 10 and is attached to the reading device 10, but the present invention is not limited to this. For example, the guide may be integrally formed on the lower surface of the reading device 10.

DESCRIPTION OF SYMBOLS 1 Multifunction device 2 Case 2A Rotating shaft part 4 Image forming part 7 Fixing device 10 Reading device 11 Wall part 11A Outer wall part 11B First inner wall part 21 Side frame 22 Side cover 22C Support shaft 100 Arm 120 First connecting part 130 2nd connection part 131 Engagement protrusion 200 Guide

Claims (7)

A housing having a pair of frames opposed to each other with the image forming unit interposed therebetween, and a cover covering an outer surface of the frame disposed on one side with respect to the image forming unit;
A reading device provided above the housing and rotatable in an open state and a closed state with respect to the housing;
An arm that is disposed on the one side with respect to the image forming unit, one end of which is rotatably connected to the housing, and the other end of which is slidably connected to the reading device;
A guide that is provided in the reader and supports the other end of the arm in a slidable manner,
The reading device has a wall portion that covers at least the outer side surface in the facing direction of the pair of frames of the guide,
The image forming apparatus, wherein the wall portion overlaps the cover when viewed from the facing direction when the reading device is in the closed state. A shaft support for rotatably supporting the reader;
The image forming apparatus according to claim 1, wherein the wall portion extends from a position covering the guide to an end portion on the shaft support portion side.   The image forming apparatus according to claim 1, wherein the cover includes a support portion that rotatably supports one end portion of the arm.   The image forming apparatus according to claim 3, wherein the support portion is provided outside the one side frame in the facing direction. A fixing device disposed between the pair of frames;
5. The image forming apparatus according to claim 1, wherein the guide overlaps with the fixing device when viewed from the facing direction when the reading device is in the closed state. 6. The wall portion has an inner wall portion covering an inner side surface in the facing direction of the guide,
The said inner wall part is formed so that the one end part of the said guide in the sliding movement direction of the other end part of the said arm with respect to the said guide may be exposed. The image forming apparatus described in the item. The wall portion has an inner wall portion covering an inner side wall in the facing direction of the guide,
The inner wall portion slides at the other end portion of the arm when the reading device is rotated toward the open state from a position covering the other end portion of the arm when the reading device is in the closed state. And the end on the downstream side in the slide movement direction is disposed at a position on the upstream side in the slide movement direction from the position covering the other end of the arm when the reading device is in the open state. The image forming apparatus according to claim 1, wherein the image forming apparatus is an image forming apparatus.

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