JP2021046326A - Sheet tray and image formation device - Google Patents

Abstract

To provide a sheet tray and an image formation device capable of suppressing deterioration of strength of a first tray even having a constitution where one of a first rotational tray and a second rotational tray rotates interlocking with the rotation of the other.SOLUTION: A first link member 101 and a second link member 105 are provided integrally with a first rotational tray 14 and a second rotational tray 15, respectively. A long hole 106 extending in an extending direction of the second link member 105 is formed in the second link member 105, and a columnar part 102 formed at the first link member 101 is engaged with the long hole 106. Thereby, when the first rotational tray 14 rotates, the columnar part 102 of the first link member 101 pressurizes the periphery of the long hole 106 of the second link member 105, and the second rotational tray 15 rotates in a direction opposite to the first rotational tray 14. Meanwhile, when the second rotational tray 15 rotates, the first rotational tray 14 rotates in a direction opposite to the second rotational tray 15.SELECTED DRAWING: Figure 5

Description

The present invention relates to a sheet tray that supports a sheet and an image forming apparatus that includes the sheet tray.

In an image forming apparatus such as a printer or a copier, a sheet such as paper is conveyed along a transport path from a sheet tray that supports the sheet, and an image forming unit provided in the middle of the transport path displays an image on the sheet being conveyed. It is formed.

As an example of a sheet tray, a first tray and a second tray are provided, and the tray area (the area of the surface supporting the sheet) can be expanded by pulling out the second tray from the state where it overlaps the first tray. is there. Further, in such a configuration, in order to further expand the tray area, it has been proposed to provide two receiving levers at the tip of the second tray (see, for example, Patent Document 1).

In the configuration of this proposal, two receiving levers are provided symmetrically and rotatably with respect to each other in the width direction of the seat (horizontal direction of the seat tray). The rotation shaft of each receiving lever is arranged at the center of the second tray in the left-right direction. Each receiving lever has a large number of teeth around the rotation axis, and the teeth of each receiving lever mesh with each other. As a result, when one receiving lever is rotated, the other receiving lever rotates in the direction opposite to the rotation direction of the one receiving lever in conjunction with the rotation.

Japanese Unexamined Patent Publication No. 5-278868

If the rotation axis of each receiving lever cannot be arranged at the center of the second tray in the left-right direction due to layout restrictions, the distance between the rotation axes of each receiving lever becomes large, and the portion where the teeth are formed in each receiving lever. The diameter of the (gear part) becomes large. Therefore, when the second tray is stored so as to overlap the first tray, the central portion in the left-right direction of the first tray must be largely cut out so that each gear portion does not interfere with the first tray. The strength of the tray is reduced.

An object of the present invention is a sheet capable of suppressing a decrease in the strength of the first tray while having a configuration in which the other rotates in conjunction with the rotation of one of the first rotating tray and the second rotating tray. It is to provide a tray and an image forming apparatus.

In order to achieve the above object, the sheet tray according to one aspect of the present invention is formed with a first surface extending in both the first direction and the second direction parallel to the first direction, along the first surface. A first tray having a first guide portion extending in the first direction and a second surface extending parallel to the first surface are formed, and the second guide portion has a second guide portion that engages with the first guide portion. Slides with respect to the first guide portion so that the second surface overlaps the first surface in a direction orthogonal to the first surface, and the slide storage position and the slide storage position are used to obtain the first surface and the second surface. A second tray that is displaced to a drawer position that is pulled out to one side in the first direction so that the overlap is reduced, and a second tray that is provided on the second surface side with respect to the second tray, and is provided at the center and one end of the second tray in the second direction. It is pivotally supported by a first rotation shaft extending in a parallel direction at a position between the first rotation shaft and the second surface, which is longer than the distance from the first rotation shaft to one end edge of the second tray in the first direction. It has a first parallel surface that extends in parallel, and due to rotation around the first rotation axis, the first parallel surface overlaps with the second surface in the direction orthogonal to the first rotation storage position and the first parallel. A first rotating tray that is displaced to a first deployment position that extends in a direction intersecting the second direction so that the overlap between the surface and the second surface is reduced, and a first rotating tray that is provided on the second surface side with respect to the second tray. It is pivotally supported by a second rotation axis extending in a parallel direction at a position between the center and the other end of the second tray in the second direction, and one end of the second tray from the second rotation axis in the first direction. It has a second parallel plane that is longer than the distance to the edge and extends parallel to the second plane, and the second parallel plane is orthogonal to the second plane due to rotation about the second rotation axis. A second rotation tray that is displaced to an overlapping second rotation storage position and a second deployment position that extends in a direction intersecting the second direction so that the overlap between the second parallel surface and the second surface is reduced, and the first A first link member that is provided integrally with the rotating tray and extends from the first rotating tray toward the second rotating tray in a state where the first rotating tray is located at the first rotating storage position. A second link member that is provided integrally with the second rotation tray and extends from the second rotation tray toward the first rotation tray in a state where the second rotation tray is located at the second rotation storage position. The first link member is formed with a columnar portion protruding in a parallel direction, the second link member is formed with an elongated hole extending in the extending direction of the second link member, and the columnar portion is long. Engages in the hole.

According to this configuration, the second guide portion of the second tray slides with respect to the first guide portion of the first tray, so that the second tray is displaced to the slide storage position and the drawer position. When the second tray is located at the slide storage position, the first surface of the first tray and the second surface of the second tray largely overlap in the orthogonal direction orthogonal to the first surface. When the second tray is located in the drawer position, the overlap between the first surface and the second surface is smaller than in the slide storage position, and the area of the first and second surfaces viewed in the orthogonal direction is expanded. To do.

Further, a first rotating tray and a second rotating tray are provided on the second surface side of the second tray. The first rotating tray is pivotally supported by a first rotating shaft extending in an orthogonal direction at a position between the center and one end of the second tray in the second direction, and the second rotating tray is the second tray of the second tray. It is pivotally supported by a second rotating shaft extending in the orthogonal direction at a position between the center and the other end in the two directions. Further, the first rotating tray has a first parallel surface that is longer than the distance from the first rotating axis to one end edge of the second tray in the first direction and extends in parallel with the second surface. The second rotating tray has a second parallel surface that is longer than the distance from the second rotating shaft to one end edge of the second tray in the first direction and extends parallel to the second surface.

The first rotation tray is displaced to the first rotation storage position and the first deployment position by rotation about the first rotation axis. In the state where the first rotation tray is located at the first rotation storage position, the first parallel surface largely overlaps with the second surface in the direction orthogonal to the second surface. In the state where the first rotating tray is located at the first unfolding position, the overlap between the first parallel surface and the second surface is smaller than that at the first rotating storage position, and the first parallel surface and the second surface are smaller. The area seen in the orthogonal direction expands. Further, the second rotation tray is displaced to the second rotation storage position and the second deployment position by the rotation about the second rotation shaft. In the state where the second rotation tray is located at the second rotation storage position, the second parallel surface largely overlaps with the second surface in the direction orthogonal to the second surface. In the state where the second rotating tray is located at the second unfolding position, the overlap between the second parallel surface and the second surface is smaller than that at the second rotating storage position, and the second parallel surface and the second surface The area seen in the orthogonal direction expands.

Therefore, the second tray is pulled out from the unused state in which the second tray, the first rotating tray, and the second rotating tray are located at the slide storage position, the first rotation storage position, and the second rotation storage position, respectively. By displacing the first rotating tray and the second rotating tray to the first unfolding position and the second unfolding position, respectively, the first surface, the second surface, the first parallel surface, and the second parallel surface are displaced. The area seen in the orthogonal direction can be enlarged. As a result, the first tray, the second tray, and the first tray are in the used state in which the second tray, the first rotating tray, and the second rotating tray are located at the drawer position, the first unfolding position, and the second unfolding position, respectively. The moving tray and the second rotating tray can stably support a long sheet in the first direction.

The first link member and the second link member are integrally provided with the first rotation tray and the second rotation tray, respectively. In a state where the first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively, the first link member and the second link member are the second rotation tray and the second rotation tray, respectively. 1 Extend toward the rotating tray. The second link member is formed with an elongated hole extending in the extending direction of the second link member, and the columnar portion formed in the first link member is engaged with the elongated hole. Therefore, when the first rotating tray rotates, the columnar portion of the first link member presses the peripheral edge of the elongated hole of the second link member, and the second rotating tray rotates in the direction opposite to that of the first rotating tray. To do. On the other hand, when the second rotating tray rotates, the peripheral edge of the elongated hole of the second link member presses the columnar portion of the first link member, and the first rotating tray rotates in the opposite direction to the second rotating tray. To do. Therefore, by rotating one of the first rotation tray and the second rotation tray, the other can be rotated.

Moreover, in a state where the first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively, the first link member and the second link member are the second rotation trays, respectively. And since it extends toward the first rotating tray, the size of the first link member and the second link member in the first direction can be reduced. Therefore, when the first tray is cut out so that the first link member and the second link member do not interfere with the first tray when the second tray is located at the slide storage position, the size of the cutout portion may be small. , It is possible to suppress a decrease in the strength of the first tray.

The present invention can be realized not only in the form of a sheet tray, but also in the form of an image forming apparatus including, for example, a sheet tray.

That is, the image forming apparatus according to another aspect of the present invention includes a sheet tray that supports the sheet and an image forming portion that forms an image on the sheet conveyed from the sheet tray, and the sheet tray is provided in the first direction and. A first tray having a first surface extending in both directions orthogonal to the first direction and extending in the first direction along the first surface, and a first tray extending parallel to the first surface. The two surfaces are formed and have a second guide portion that engages with the first guide portion, and the second guide portion slides with respect to the first guide portion so that the second surface is first with respect to the first surface. A second tray that is displaced from the slide storage position that overlaps in the orthogonal direction orthogonal to the first surface and the drawer position that is pulled out to one side in the first direction so that the overlap between the first surface and the second surface becomes smaller. And, which is provided on the second surface side with respect to the two trays and is pivotally supported by a first rotation shaft extending in a parallel direction at a position between the center and one end of the second tray in the second direction, and the first rotation. It has a first parallel plane that is longer than the distance from the shaft to one end edge of the second tray in the first direction and extends parallel to the second plane, and by rotation about the first rotation shaft. The first rotation storage position where the first parallel surface overlaps in the direction orthogonal to the second surface, and the first deployment extending in the direction intersecting the second direction so that the overlap between the first parallel surface and the second surface becomes small. A second rotating tray that is displaced to a position and a second that is provided on the second surface side with respect to the second tray and extends in a parallel direction at a position between the center and the other end of the second tray in the second direction. It has a second parallel plane that is pivotally supported by the rotation shaft and extends parallel to the second plane and is longer than the distance from the second rotation shaft to one end edge of the second tray in the first direction. By rotating around the two rotation axes, the overlap between the second parallel plane and the second plane so that the second parallel plane overlaps the second plane in the direction orthogonal to the second rotation storage position and the overlap between the second parallel plane and the second plane become smaller. A second rotation tray that is displaced to a second deployment position extending in a direction intersecting the second direction and a first rotation tray are provided integrally, and the first rotation tray is positioned at the first rotation storage position. The first link member extending from the first rotation tray toward the second rotation tray and the second rotation tray are provided integrally with the second rotation tray, and the second rotation tray is in the second rotation storage position. It is provided with a second link member extending from the second rotation tray toward the first rotation tray in the state of being located in the first link member, and the first link member is formed with a columnar portion projecting in a parallel direction, and a second columnar portion is formed. The link member is formed with an elongated hole extending in the extending direction of the second link member, and the columnar portion is engaged with the elongated hole.

According to the present invention, it is possible to suppress a decrease in the strength of the first tray while having a configuration in which the other rotates in conjunction with the rotation of one of the first rotating tray and the second rotating tray.

It is a perspective view seen from the left front side of the printer which concerns on one Embodiment of this invention. It is a perspective view seen from the upper right side of the multi-purpose tray, the cover tray is opened, the first slide tray is located in the exposed position, the second slide tray is located in the drawer position, the first rotating tray and the second rotation tray. Indicates a state in which the moving tray is located at the first unfolding position and the second unfolding position, respectively. It is a side view of the multi-purpose tray, the cover tray is opened, the first slide tray is located in the exposed position, the second slide tray is located in the drawer position, and the first rotating tray and the second rotating tray are the first, respectively. Indicates a state of being located at the 1st unfolding position and the 2nd unfolding position. It is sectional drawing of the multi-purpose tray at the cutting plane line AA shown in FIG. It is a perspective view seen from the lower right side of the multi-purpose tray, the cover tray is opened, the first slide tray is located in the exposed position, the second slide tray is located in the drawer position, and the first rotating tray and the second slide tray are located. Indicates a state in which the rotating tray is located at the first unfolding position and the second unfolding position, respectively. It is a plan view seen from the lower side of the multipurpose tray with the cover removed, the second slide tray is located at the drawer position, and the first rotating tray and the second rotating tray are at the first unfolding position, respectively. And the state where it is located in the second unfolding position is shown. It is a perspective view seen from the lower right side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray, the 2nd slide tray is located at the drawer position, and the 1st rotation tray and Indicates a state in which the second rotation tray is located at the first rotation storage position and the second rotation storage position, respectively. It is a perspective view seen from the upper left side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray, the 2nd slide tray is located at the slide storage position, and the 1st rotation tray and Indicates a state in which the second rotation tray is located at the first rotation storage position and the second rotation storage position, respectively. It is a perspective view seen from the lower right side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray, the 2nd slide tray is located at the slide storage position, and the 1st rotation tray The state in which the second rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively, is shown. It is a perspective view seen from the lower right side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray with the cover removed, and the 2nd slide tray is positioned at the drawer position. The state in which the first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively, is shown. It is a plan view seen from the lower side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray with the cover removed, and the 2nd slide tray is located at the drawer position. , The first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively. It is a perspective view seen from the lower right side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray and the 2nd rotation tray with the cover removed, and the 2nd slide tray is positioned at the drawer position. The state in which the first rotating tray and the second rotating tray are located at the first unfolding position and the second unfolding position, respectively, is shown. It is a perspective view seen from the lower right side of the multipurpose tray with the cover removed, the second slide tray is located in the middle between the drawer position and the slide storage position, and the first rotation tray and the second slide tray. Indicates a state in which the moving tray is located at the first unfolding position and the second unfolding position, respectively. It is a perspective view seen from the lower right side of the 1st slide tray, the 2nd slide tray, the 1st rotation tray, and the 2nd rotation tray which concerns on a modification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

<Image forming device>
As shown in FIG. 1, the printer 1 which is an example of the image forming apparatus includes a housing 2 having a substantially rectangular parallelepiped shape.

A paper feed tray 3 is provided at the bottom of the housing 2. The paper feed tray 3 can support a plurality of sheets in a stacked state. A multi-purpose tray 4 (an example of a seat tray) is provided on the front surface of the housing 2. The multi-purpose tray 4 is closed along the front surface of the housing 2 (the position shown by the solid line in FIG. 1) and the position where the multi-purpose tray 4 is laid down and opened toward the front side from that position (shown by the alternate long and short dash line in FIG. 1). It is provided so that it can be displaced to and from the position). The multi-purpose tray 4 can support a plurality of sheets in a laminated state in an open state. A paper output tray 5 is formed on the upper surface of the housing 2. The sheets supported by the paper feed tray 3 or the multi-purpose tray 4 are fed one by one from the paper feed tray 3 or the multi-purpose tray 4 into the housing 2, and the inside of the housing 2 is directed toward the output tray 5. Be transported. While the sheet is conveyed in the housing 2, an image (color image or monochrome image) is formed on the sheet by the image forming unit 6 housed in the housing 2. The image forming method by the image forming unit 6 may be an electrophotographic method or an inkjet method. The sheet on which the image is formed is ejected onto the output tray 5.

The front side on which the multipurpose tray 4 is provided is defined as the "front side" of the printer 1, and the opposite side is defined as the "rear side". Then, the "upper side", "lower side", "left side", and "right side" of the printer 1 are defined based on the state in which the printer 1 placed on the horizontal plane is viewed from the "front side". The direction used in the following description is the direction in which the cover tray 11 (see FIG. 2) of the multipurpose tray 4 is opened, and the direction is indicated by an arrow in each figure.

<Multi-purpose tray>
As shown in FIG. 2, the multipurpose tray 4 includes a cover tray 11, a first slide tray 12 (an example of a first tray), a second slide tray 13 (an example of a second tray), and a first rotating tray 14. And a second rotating tray 15.

<Cover tray>
The cover tray 11 is a base end portion of the multipurpose tray 4. As shown in FIGS. 2 and 3, the cover tray 11 is formed on the outer tray 21A and the outer tray 21A whose outer surface forms a part of the front surface (front surface) of the housing 2 at the position where the multipurpose tray 4 is closed. On the other hand, it is provided with an inner tray 21B that is stacked with a gap on the inner surface side thereof.

The outer tray 21A has a substantially rectangular plate shape. As shown in FIG. 4, a left swing shaft portion 22 and a right swing shaft portion 23 are formed at the end portion of the outer tray 21A on the base end side (rear side when the multipurpose tray 4 is open). Has been done. The left swing shaft portion 22 and the right swing shaft portion 23 project from the left side surface to the left side and from the right side surface to the right side of the outer tray 21A, respectively. Since the left swing shaft portion 22 and the right swing shaft portion 23 are rotatably held by the housing 2, the cover tray 11 is swingably supported by the housing 2 in a cantilevered state.

As shown in FIG. 2, a left guide rail 24 and a right guide rail 25 are formed on the inner surface of the outer tray 21A at a central portion in the left-right direction. The left guide rail 24 and the right guide rail 25 are provided on the left and right sides of the outer tray 21A with the center in the left-right direction, respectively, and have ridges that are parallel to each other and extend in a direction orthogonal to the left-right direction (front-back direction). I'm doing it.

As shown in FIG. 4, a plurality of regulating portions 26 and 27 are formed at the upper ends of the left guide rail 24 and the right guide rail 25 at intervals in the front-rear direction. The regulating portions 26 and 27 project to the left from the left guide rail 24 and to the right from the right guide rail 25, respectively, and extend in the front-rear direction.

Plate-shaped end regulating portions 28 and 29 extending in the front-rear direction are formed at the left end portion and the right end portion of the outer tray 21A. There is a gap between the inner surface of the outer tray 21A and the edge restricting portions 28 and 29.

As shown in FIG. 2, the inner tray 21B has a substantially rectangular plate shape smaller than the outer tray 21A.

The inner tray 21B is formed with guide grooves 31 and 32 extending in the left-right direction penetrating in the thickness direction on both left and right sides sandwiching the central portion in the left-right direction. A pair of seat width guides 33 are provided on the inner tray 21B. The pair of seat width guides 33 are configured so as to be close to / separated from each other along the guide grooves 31 and 32 with the same amount of movement with respect to the center between them. The distance between the pair of seat width guides 33 is adjusted according to the width of the seats supported on the multipurpose tray 4 in the left-right direction. Then, the sheet is inserted between the pair of sheet width guides 33 from the front side, and is placed on the multipurpose tray 4 with reference to the center.

Of the pair of seat width guides 33, only the right side seat width guide 33 is shown in FIG. 2, and the left side seat width guide 33 is not shown. Further, in FIG. 2, a state in which the seat width guide 33 on the right side is arranged at the right end and a state in which the seat width guide 33 is arranged at the center side end are both shown by solid lines.

<1st slide tray>
As shown in FIG. 2, the first slide tray 12 has a substantially rectangular plate shape smaller than the cover tray 11. Central guide portions 41 and 42 (an example of the first guide portion) are provided at the central portion of the first slide tray 12 in the left-right direction. As shown in FIG. 4, the central guide portions 41 and 42 are formed in a cross-sectional shape (substantially U-shaped cross section) that covers the left guide rail 24 and the right guide rail 25 of the cover tray 11 from the left and right sides and the upper side, respectively. There is. As a result, the first slide tray 12 is accommodated between the outer tray 21A and the inner tray 21B (see FIG. 2) while the central guide portions 41 and 42 are guided by the left guide rail 24 and the right guide rail 25, respectively. It is slidable between the accommodating position and the exposed position exposed from the cover tray 11 at a position in front of the accommodating position.

Further, the central guide portions 41 and 42 are formed with regulated portions 43 and 44, respectively. Regardless of the position of the first slide tray 12 in the front-rear direction (slide direction) with respect to the cover tray 11, the regulated portion 43 faces any of the regulated portions 26 of the left guide rail 24 from below, and the regulated portion 44 faces the regulated portion 44. Faces any of the regulating portions 27 of the right guide rail 25 from below. Further, the left end portion and the right end portion of the first slide tray 12 are inserted between the inner surface of the outer tray 21A and the end restricting portions 28 and 29, respectively. Therefore, the regulation portions 26 and 27 of the outer tray 21A face the regulated portions 43 and 44 from the upper side, respectively, and the end regulation portions 28 and 29 of the outer tray 21A are on the upper side at the left end portion and the right end portion of the first slide tray 12, respectively. Facing from. As a result, the first slide tray 12 is prevented from being separated upward from the outer tray 21A.

Further, a plurality of regulating portions 61 and 62 (an example of the first regulating portion) are formed at the upper ends of the central guide portions 41 and 42 at intervals in the front-rear direction. The regulating portions 61 and 62 project to the left from the central guide portion 41 and to the right from the central guide portion 42, respectively, and extend in the front-rear direction.

A left guide portion 63 and a right guide portion 64 (an example of the first guide portion) are provided at the left end portion and the right end portion of the first slide tray 12, respectively. The left guide portion 63 has a substantially L-shaped cross section that rises upward from the first slide tray 12 and bends and extends to the right. The right guide portion 64 has a substantially L-shaped cross section that rises upward from the first slide tray 12 and bends and extends to the left.

<2nd slide tray>
As shown in FIG. 2, the second slide tray 13 has a substantially rectangular plate shape having a size smaller than that of the first slide tray 12. As shown in FIG. 4, central guide portions 71 and 72 (an example of the second guide portion) are provided at the central portion of the second slide tray 13 in the left-right direction. The central guide portions 71 and 72 are formed in a cross-sectional shape (substantially U-shaped cross section) that covers the central guide portions 41 and 42 of the first slide tray 12 from the left and right sides and the upper side, respectively. Further, a left guide portion 73 and a right guide portion 74 (an example of the second guide portion) are provided at the left end portion and the right end portion of the second slide tray 13, respectively. The left guide portion 73 and the right guide portion 74 have a plate shape extending in the left-right direction and the front-rear direction, and the upper surface 75 (an example of the first surface) of the first slide tray 12, the left guide portion 63, and the right guide portion 64, respectively. It's in between. As a result, the central guide portions 71 and 72 are guided to the central guide portions 41 and 42, respectively, and the left guide portion 73 and the right guide portion 74 are guided to the left guide portion 63 and the right guide portion 64, respectively, while the second slide tray is guided. The overlap between the lower surface 76 and the upper surface 75 of the first slide tray 12 becomes smaller from the slide storage position where the lower surface 76 of 13 (an example of the second surface) overlaps the upper surface 75 of the first slide tray 12 and the slide storage position. It is possible to slide between the drawer position and the drawer position pulled out to the front side.

Further, regardless of the position of the second slide tray 13 in the front-rear direction (slide direction) with respect to the first slide tray 12 in which the regulated portions 77 and 78 are formed in the central guide portions 71 and 72, respectively, the regulated portion is regulated. 77 faces any of the regulating portions 61 of the first slide tray 12 from below, and the regulated portion 78 faces any of the regulating portions 62 of the first slide tray 12 from below. Therefore, the regulation portions 61 and 62 of the first slide tray 12 face the regulated portions 77 and 78 from above, respectively, and the left guide portion 63 of the first slide tray 12 faces the left end portion and the right end portion of the second slide tray 13, respectively. And the right guide portion 64 faces from above. As a result, the second slide tray 13 is prevented from being separated upward from the first slide tray 12.

<Rotating tray>
As shown in FIGS. 2, 5 and 6, the first rotating tray 14 and the second rotating tray 15 sandwich the central guide portions 71 and 72 at the front end of the second slide tray 13 in the left-right direction. It is provided symmetrically and is rotatably supported on the lower surface 76 of the second slide tray 13.

Specifically, the first rotating tray 14 and the second rotating tray 15 have a plate shape extending in one direction. As shown in FIG. 6, the front end portion of the lower surface 76 of the second slide tray 13 has a first rotation shaft at a position equal to the left side from the central guide portion 41 and the right side from the central guide portion 42, respectively. The 81 and the second rotating shaft 82 are formed.

The first rotating tray 14 on the left side is rotatably supported on the lower surface 76 of the second slide tray 13 by inserting the first rotating shaft 81 with play at one end. The upper surface 83 of the first rotating tray 14 (an example of the first parallel surface; see FIG. 2) extends parallel to the lower surface 76 of the second slide tray 13, and extends in the longitudinal direction from the center of the first rotating shaft 81. 2 It has a dimension D2 longer than the distance D1 in the front-rear direction between the slide tray 13 and the front end edge. Then, the first rotation tray 14 extends to the left from the first rotation shaft 81 due to rotation about the first rotation shaft 81, and the upper surface 83 extends from the lower side to the lower surface 76 of the second slide tray 13. It is possible to displace the overlapping first rotation storage position and the first deployment position extending from the first rotation shaft 81 to the left front side so that the overlap between the upper surface 83 and the lower surface 76 is reduced.

The second rotating tray 15 on the right side is rotatably supported on the lower surface 76 of the second slide tray 13 by inserting the second rotating shaft 82 with play at one end. The upper surface 84 of the second rotating tray 15 (an example of the second parallel surface; see FIG. 2) extends parallel to the lower surface 76 of the second slide tray 13, and extends in the longitudinal direction to the center of the second rotating shaft 82 and the second. 2 It has a dimension D2 longer than the distance D1 in the front-rear direction between the slide tray 13 and the front end edge. Then, the second rotation tray 15 extends to the right from the second rotation shaft 82 due to rotation about the second rotation shaft 82, and the upper surface 84 extends from the lower side to the lower surface 76 of the second slide tray 13. It is possible to displace the overlapping second rotation storage position and the second deployment position extending to the right front side from the second rotation shaft 82 so that the overlap between the upper surface 84 and the lower surface 76 is reduced.

Wall-shaped portions 85 and 86 are formed so as to project downward along the front end edges of the first rotating tray 14 and the second rotating tray 15, respectively.

As shown in FIG. 5, covers 91 and 92 are attached to the lower surface 76 of the second slide tray 13, and the first rotating tray 14 and the second rotating tray 15 are respectively the second slide tray 13. It is sandwiched between the lower surface 76 and the covers 91 and 92. The covers 91 and 92 have a symmetrical structure. In a state where the first rotation tray 14 and the second rotation tray 15 are located at the first rotation storage position and the second rotation storage position, respectively, as shown in FIG. 7, the wall-shaped portions 85 and 86 are the second. 2 The cover 91 and 92 abut on the front edge of the slide tray 13 and cover almost the entire area of the first rotating tray 14 excluding the wall-shaped portion 85 and the portion of the second rotating tray 15 excluding the wall-shaped portion 86, respectively. Almost the entire area is covered.

A first link member 101 having a substantially rectangular plate shape, which is narrower than the first rotating tray 14, is provided integrally with the first rotating tray 14 on the left side. With the first rotation tray 14 located at the first rotation storage position, the first link member 101 extends from the right end of the first rotation tray 14 to the right side toward the second rotation tray 15. .. Further, as shown in FIG. 6, the first link member 101 is attached to the first rotation shaft 81 in a direction orthogonal to the longitudinal direction of the first link member 101 and parallel to the upper surface 83 of the first rotation tray 14. On the other hand, the first rotating tray 14 is displaced to the opposite side to the front end edge. Therefore, in the state where the first rotation tray 14 is located at the first rotation storage position, the first link member 101 is displaced rearward with respect to the first rotation shaft 81.

A columnar columnar portion 102 is formed at the end of the first link member 101 on the second rotation tray 15 side. The columnar portion 102 projects downward from the lower surface of the first link member 101. A notch 103 recessed from the front end edge to the rear side is formed in the central portion of the front end portion of the first slide tray 12 in the left-right direction. The columnar portion 102 extends to a position in the notch 103 that faces the front end edge 104 in the front-rear direction.

Further, a second link member 105 having a substantially rectangular plate shape narrower than the second rotating tray 15 is provided integrally with the second rotating tray 15 on the right side. With the second rotation tray 15 located at the second rotation storage position, the second link member 105 extends from the left end of the second rotation tray 15 to the left side toward the first rotation tray 14. .. Further, the second link member 105 has a second rotation tray 15 with respect to the second rotation shaft 82 in a direction orthogonal to the longitudinal direction of the second link member 105 and parallel to the upper surface 84 of the second rotation tray 15. It is offset to the opposite side of the front edge of. Therefore, in the state where the second rotation tray 15 is located at the second rotation storage position, the second link member 105 is displaced rearward with respect to the second rotation shaft 82, and the first rotation tray 14 and the first rotation tray 14 and the second. The first link member 101 and the second link member 105 are located on a straight line extending in the left-right direction in a state where the two rotation trays 15 are located at the first rotation storage position and the second rotation storage position, respectively.

The second link member 105 is formed with an elongated hole 106 extending in the longitudinal direction of the second link member 105 (extending direction with respect to the second rotating tray 15). The elongated hole 106 has a width larger than the diameter of the columnar portion 102 in the direction orthogonal to the longitudinal direction, and the columnar portion 102 is inserted through the elongated hole 106 and is provided so as to be movable in the elongated hole 106. ing.

<Tray operation>
As shown in FIGS. 8 and 9, the second slide tray 13 is located in the slide storage position, and the first rotation tray 14 and the second rotation tray 15 are in the first rotation storage position and the second rotation, respectively. In the non-used state located in the stowed position, the columnar portion 102 abuts on the front edge 104 of the first slide tray 12, as shown in FIG. 9, and as shown in FIG. 8, the first rotating shaft 81 and The second rotation shaft 82 overlaps the first slide tray 12 in the vertical direction.

When using the multi-purpose tray 4, that is, when supporting the sheet on the multi-purpose tray 4, the cover tray 11 (see FIG. 2) is opened with respect to the housing 2 (see FIG. 1), and the first The slide tray 12 is slidably displaced from the accommodation position to the exposed position. Then, as shown in FIGS. 10 and 11, the second slide tray 13 is slidably displaced from the slide storage position to the drawer position.

After that, the first rotation tray 14 is rotationally displaced from the first rotation storage position to the first deployment position, or the second rotation tray 15 is rotated from the second rotation storage position to the second deployment position. It is dynamically displaced. When the first rotation tray 14 is rotationally displaced, the columnar portion 102 of the first link member 101 presses the peripheral edge of the elongated hole 106 of the second link member 105, and the second rotation tray 15 rotates first. It rotates at the same angle as the tray 14 in the opposite direction. On the other hand, when the second rotating tray 15 is rotationally displaced, the peripheral edge of the elongated hole 106 of the second link member 105 presses the columnar portion 102 of the first link member 101, and the first rotating tray 14 is second. It rotates at the same angle in the direction opposite to that of the rotating tray 15. Therefore, when the first rotation tray 14 is rotationally displaced to the first deployment position, the second rotation tray 15 is rotationally displaced to the second deployment position, and the second rotation tray 15 is rotated to the second deployment position. When it is dynamically displaced, the first rotation tray 14 is rotationally displaced to the first deployment position. As a result, as shown in FIG. 12, the second slide tray 13 is located at the drawer position, and the first rotating tray 14 and the second rotating tray 15 are located at the first unfolding position and the second unfolding position, respectively. It will be in use. In this usage state, the length of the first link member 101 and the second link member 105 in the longitudinal direction, the position of the elongated hole 106, and the position of the elongated hole 106 so that the columnar portion 102 is located at the center of the second slide tray 13 in the left-right direction. The length in the longitudinal direction and the position of the columnar portion 102 are designed.

When the second slide tray 13 is slid toward the slide storage position while the first rotating tray 14 and the second rotating tray 15 are positioned at the first unfolding position and the second unfolding position, respectively, from the used state, FIG. As shown in 13, the columnar portion 102 of the first link member 101 comes into contact with the front end edge 104 of the first slide tray 12 during the slide.

When the second slide tray 13 is further slid toward the slide storage position, the columnar portion 102 is pushed forward by the front end edge 104 of the first slide tray 12, and the first rotating tray 14 is moved from the first unfolded position. It rotates toward the first rotation storage position. Along with the rotation of the first rotation tray 14, the columnar portion 102 presses the peripheral edge of the elongated hole 106 of the second link member 105, and the second rotation tray 15 moves from the second deployment position to the second rotation storage position. Rotate toward. Then, when the second slide tray 13 reaches the slide storage position, the first link member 101 and the second link member 105 overlap each other and extend in a straight line in the left-right direction. Return to the unused state of the moving tray 14 and the second rotating tray 15.

<Effect>
As described above, the central guide portions 71 and 72, the left guide portion 73 and the right guide portion 74 of the second slide tray 13 are the central guide portions 41 and 42, the left guide portion 63 and the right guide portion of the first slide tray 12, respectively. By sliding with respect to 64, the second slide tray 13 is displaced to the slide storage position and the drawer position. When the second slide tray 13 is located at the slide storage position, the upper surface 75 of the first slide tray 12 and the lower surface 76 of the second slide tray 13 largely overlap in the vertical direction. When the second slide tray 13 is located at the drawer position, the overlap between the upper surface 75 and the lower surface 76 is smaller than that at the slide storage position, and the first slide tray 12 and the second slide tray 13 are viewed in the vertical direction. The area is expanded.

Further, a first rotating tray 14 and a second rotating tray 15 are provided on the lower surface 76 side of the second slide tray 13. The first rotation tray 14 is pivotally supported by a first rotation shaft 81 extending in the vertical direction at a position between the center and the left end in the left-right direction of the second slide tray 13, and the second rotation tray 15 is a second. 2 The slide tray 13 is pivotally supported by a second rotation shaft 82 extending in the vertical direction at a position between the center and the right end in the left-right direction. Further, the first rotating tray 14 has an upper surface 83 which is longer than the distance D1 in the front-rear direction between the center of the first rotating shaft 81 and the front end edge of the second slide tray 13 and extends in parallel with the lower surface 76. The second rotating tray 15 has an upper surface 84 that is longer than the distance D1 in the front-rear direction between the center of the second rotating shaft 82 and the front end edge of the second slide tray 13 and extends parallel to the lower surface 76. are doing.

The first rotation tray 14 is displaced to the first rotation storage position and the first deployment position by rotation about the first rotation shaft 81. In the state where the first rotation tray 14 is located at the first rotation storage position, the upper surface 83 of the first rotation tray 14 largely overlaps the lower surface 76 of the second slide tray 13 in the vertical direction. In the state where the first rotating tray 14 is located in the first unfolding position, the overlap between the upper surface 83 and the lower surface 76 is smaller than that in the first rotating storage position, and the upper surface 83 and the lower surface 76 are viewed in the vertical direction. The area is expanded. Further, the second rotation tray 15 is displaced to the second rotation storage position and the second deployment position by the rotation about the second rotation shaft 82. In the state where the second rotation tray 15 is located at the second rotation storage position, the upper surface 84 of the second rotation tray 15 largely overlaps the lower surface 76 of the second slide tray 13 in the vertical direction. In the state where the second rotating tray 15 is located at the second unfolding position, the overlap between the upper surface 84 and the lower surface 76 is smaller than that at the second rotating storage position, and the upper surface 84 and the lower surface 76 are viewed in the vertical direction. The area is expanded.

Therefore, the second slide tray 13, the first rotation tray 14, and the second rotation tray 15 are located in the slide storage position, the first rotation storage position, and the second rotation storage position, respectively, from the unused state. The slide tray 13 is displaced to the drawer position, and the first rotating tray 14 and the second rotating tray 15 are displaced to the first unfolding position and the second unfolding position, respectively, whereby the first slide tray 12 and the second slide tray are displaced. 13. The area of the first rotating tray 14 and the second rotating tray 15 as viewed in the vertical direction can be enlarged. As a result, in the used state where the second slide tray 13, the first rotating tray 14, and the second rotating tray 15 are located at the drawer position, the first unfolding position, and the second unfolding position, respectively, the first slide tray 12, the first slide tray 12, and the second. The two slide tray 13, the first rotating tray 14, and the second rotating tray 15 can stably support a long sheet in the front-rear direction.

The first link member 101 and the second link member 105 are integrally provided with the first rotation tray 14 and the second rotation tray 15, respectively. In a state where the first rotation tray 14 and the second rotation tray 15 are located at the first rotation storage position and the second rotation storage position, respectively, the first link member 101 and the second link member 105 are subjected to the second rotation, respectively. It extends toward the moving tray 15 and the first rotating tray 14. The second link member 105 is formed with an elongated hole 106 extending in the extending direction of the second link member 105, and the columnar portion 102 formed in the first link member 101 is engaged with the elongated hole 106. are doing. Therefore, when the first rotation tray 14 rotates, the columnar portion 102 of the first link member 101 presses the peripheral edge of the elongated hole 106 of the second link member 105, and the second rotation tray 15 presses the first rotation tray. It rotates in the opposite direction to 14. On the other hand, when the second rotating tray 15 rotates, the peripheral edge of the elongated hole 106 of the second link member 105 presses the columnar portion 102 of the first link member 101, and the first rotating tray 14 presses the second rotating tray. It rotates in the direction opposite to 15. Therefore, by rotating one of the first rotating tray 14 and the second rotating tray 15, the other can be rotated.

Moreover, in a state where the first rotation tray 14 and the second rotation tray 15 are located at the first rotation storage position and the second rotation storage position, respectively, the first link member 101 and the second link member 105 are second, respectively. Since the two rotating trays 15 and the first rotating tray 14 extend toward the first rotating tray 14, the size of the first link member 101 and the second link member 105 in the front-rear direction can be reduced. Therefore, when the notch 103 is provided in the first slide tray 12 so that the first link member 101 and the second link member 105 do not interfere with the first slide tray 12 when the second slide tray 13 is located at the slide storage position. In addition, the size of the notch 103 may be small, and it is possible to suppress a decrease in the strength of the first slide tray 12.

The first link member 101 and the second link member 105 are positioned in a straight line with the first rotation tray 14 and the second rotation tray 15 located at the first rotation storage position and the second rotation storage position, respectively. It is formed to do. Further, in a state where the first link member 101 is formed to be narrower than the first rotation tray 14 and the first rotation tray 14 is located at the first rotation storage position, the first link member 101 is in the front-rear direction. The length is smaller than the length of the first rotating tray 14 in the front-rear direction. Further, in a state where the second link member 105 is formed narrower than the second rotation tray 15 and the second rotation tray 15 is located at the second rotation storage position, the front-rear direction of the second link member 105 Is smaller than the length of the second rotating tray 15 in the front-rear direction. Therefore, in a state where the first rotation tray 14 and the second rotation tray 15 are located at the first rotation storage position and the second rotation storage position, respectively, the front-rear direction of the first link member 101 and the second link member 105. The size of the can be made even smaller. As a result, the size of the notch 103 can be made smaller, and the decrease in the strength of the first slide tray 12 can be further suppressed.

In a state where the first rotating tray 14 and the second rotating tray 15 are located at the first unfolding position and the second unfolding position, respectively, the columnar portion 102 is located at the center of the second slide tray 13 in the left-right direction. Further, the columnar portion 102 projects downward from the lower surface of the first link member 101 and extends to a position facing the front end edge 104 of the first slide tray 12 in the front-rear direction.

As a result, when the second slide tray 13 is slid from the drawer position to the slide storage position while the first rotation tray 14 and the second rotation tray 15 are positioned at the first deployment position and the second deployment position, respectively. In the middle of the slide, the columnar portion 102 of the first link member 101 can be brought into contact with the front end edge 104 of the first slide tray 12. After that, when the second slide tray 13 is further slid toward the slide storage position, the columnar portion 102 is pushed forward by the front end edge 104 of the first slide tray 12, and the first rotating tray 14 is first deployed. It rotates from the position to the first rotation storage position, and accordingly, the second rotation tray 15 rotates from the second deployment position to the second rotation storage position. Therefore, the second slide tray 13, the first rotating tray 14, and the second rotating tray 15 are transitioned from the used state to the non-used state by one operation of displacing the second slide tray 13 from the drawer position to the slide storage position. be able to.

Further, the multi-purpose tray 4 is provided with covers 91 and 92, and the first rotating tray 14 and the second rotating tray 15 are located at the first unfolding position and the second unfolding position, respectively. Each part of the 1-rotating tray 14 and the 2nd rotating tray 15 is sandwiched between the 2nd slide tray 13 and the covers 91 and 92. Therefore, the strength of the first rotating tray 14 and the second rotating tray 15 is increased, and it is possible to prevent the first rotating tray 14 and the second rotating tray 15 from bending and deforming downward.

Further, the first link member 101 and the second link member 105 are in a state where the first rotation tray 14 and the second rotation tray 15 are located at the first rotation storage position and the second rotation storage position, respectively. It is displaced in the front-rear direction with respect to the first rotation shaft 81 and the second rotation shaft 82. Therefore, by operating (rotating) one of the first rotating tray 14 and the second rotating tray 15, the other can be smoothly rotated.

<Modification example>
Although one embodiment of the present invention has been described above, the present invention can also be implemented in other embodiments.

For example, as shown in FIG. 14, a slit 201 extending in the left-right direction may be formed at the front end portion of the first slide tray 12, and a columnar portion 102 may be fitted into the slit 201. ..

In this configuration, when the second slide tray 13 is slid toward the drawer position from the unused state, the columnar portion 102 comes into contact with the peripheral edge of the slit 201, and the displacement of the columnar portion 102 is restricted. Therefore, as the second slide tray 13 slides, a force that pushes the columnar portion 102 from the peripheral edge of the slit 201 to the rear side acts, and the force causes the first rotation integrally with the first link member 101. The tray 14 rotates from the first rotation storage position to the first deployment position. When the 1-rotation tray 14 rotates, the columnar portion 102 of the 1st link member 101 presses the peripheral edge of the elongated hole 106 of the 2nd link member 105, and the 2nd rotation tray 15 moves toward the second deployment position. 1 Rotates at the same angle as the rotating tray 14. Therefore, the second slide tray 13, the first rotating tray 14, and the second rotating tray 15 are changed from the unused state to the used state by one operation of displacing the second slide tray 13 from the slide storage position to the drawer position. be able to.

Further, in the above-described embodiment, the printer 1 is taken up as an example of the image forming apparatus, but the image forming apparatus to which the present invention is applied is not limited to the single-function printer 1, and has an image forming function and an image reading function. It may be a facsimile device or a multifunction device.

The device to which the present invention is applied is not limited to an image forming device, and the present invention can be applied to various devices including a sheet tray that supports a sheet.

In addition, various design changes can be made to the above-mentioned configuration within the scope of the matters described in the claims.

1: Printer 4: Multipurpose tray 6: Image forming unit 12: 1st slide tray 13: 2nd slide tray 14: 1st rotating tray 15: 2nd rotating tray 41, 42: Central guide part 63: Left guide Part 64: Right guide part 71, 72: Center guide part 73: Left guide part 74: Right guide part 75: Bottom surface 76: Top surface 81: First rotation shaft 82: Second rotation shaft 83, 84: Top surface 91, 92: Cover 101: First link member 102: Columnar part 104: Front end edge 105: Second link member 106: Long hole 201: Slit D1: Distance D2: Dimensions

In order to achieve the above object, the sheet tray according to one aspect of the present invention has a first tray having a first surface and a second surface, and the second surface is the same as the first surface. Displaced from the slide storage position that overlaps in the orthogonal direction orthogonal to the first surface and the drawer position that is pulled out from the slide storage position to one side of the first direction so that the overlap between the first surface and the second surface becomes small. A first rotating storage position having a second tray and a first upper surface, and the first upper surface overlapping the second surface in the direction perpendicular to the second surface, and an overlap between the first upper surface and the second surface. It has a first rotating tray that is rotatably supported by the second tray and a second upper surface, which is rotatably supported by the first deployment position that is displaced to the one side in the first direction so as to reduce the size. On the one side of the first direction so that the overlap between the second upper surface and the second surface is reduced between the second rotation storage position where the second upper surface overlaps the second surface in the orthogonal direction. A second rotating tray rotatably supported by the second tray at the displaced second deployment position and the first rotating tray are integrally provided, and the first rotating tray is the first rotating tray. A first link member extending from the first rotation tray toward the second rotation tray in a state of being positioned at the one rotation storage position is provided integrally with the second rotation tray, and the second rotation tray is provided. and a second link member extending toward the first rotating tray from said second pivot tray in a state where the second rotating tray is positioned at the second rotation stowed position, the first link member has a columnar portion at the extending distal end side, the second link member has an elongated hole extending in the extending direction, the columnar portion is engaged with the elongated hole.

Therefore, the second tray is pulled out from the unused state in which the second tray, the first rotating tray, and the second rotating tray are located at the slide storage position, the first rotation storage position, and the second rotation storage position, respectively. It is displaced in, by displacing the first rotating tray and the second rotational tray to the first deployed position and a second deployed position, respectively, a first surface, a second surface, a first upper surface and a second upper surface The area seen in the orthogonal direction can be enlarged. As a result, the first tray, the second tray, and the first tray are in the used state in which the second tray, the first rotating tray, and the second rotating tray are located at the drawer position, the first unfolding position, and the second unfolding position, respectively. The moving tray and the second rotating tray can stably support a long sheet in the first direction.

That is, the image forming apparatus according to another aspect of the present invention includes a sheet tray that supports the sheet and an image forming portion that forms an image on the sheet conveyed from the sheet tray, and the sheet tray has a first surface. A slide storage position having a first tray having a tray and a second surface, and the second surface overlapping the first surface in a direction orthogonal to the first surface, and the first surface from the slide storage position. It has a second tray that is displaced to a drawer position that is pulled out to one side in the first direction so that the overlap with the second surface is reduced, and a first upper surface, and the first upper surface is relative to the second surface. Rotates to the first rotation storage position that overlaps in the orthogonal direction and the first deployment position that is displaced to the one side in the first direction so that the overlap between the first upper surface and the second surface becomes smaller. A first rotating tray that is pivotally supported by the second tray, and a second rotating storage position that has a second upper surface and the second upper surface overlaps the second surface in the direction orthogonal to the second surface. The second time, which is rotatably supported by the second tray to the second deployment position displaced to the one side in the first direction so that the overlap between the second upper surface and the second surface is reduced. The moving tray and the first rotating tray are provided integrally with the first rotating tray, and the first rotating tray is moved from the first rotating tray to the second rotating tray in a state where the first rotating tray is located at the first rotating storage position. The first link member extending toward the direction and the second rotation tray are provided integrally with the second rotation tray, and the second rotation tray is located at the second rotation storage position. a second link member extending toward the first rotating tray, wherein the first link member has a columnar portion at the extending distal end, said second link member includes extending direction has a long hole extending in the columnar portion is engaged with the elongated hole.

Claims (12)

A first tray having a first surface extending in both the first direction and the second direction orthogonal to the first direction and extending in the first direction along the first surface, and a first tray.
A second surface extending parallel to the first surface is formed, has a second guide portion that engages with the first guide portion, and the second guide portion slides with respect to the first guide portion. The overlap between the first surface and the second surface is reduced from the slide storage position where the second surface overlaps the first surface in the direction orthogonal to the first surface and the slide storage position. A second tray that is displaced to a drawer position that is pulled out to one side in the first direction,
It is provided on the second surface side with respect to the second tray, and is pivotally supported by a first rotation shaft extending in the parallel direction at a position between the center and one end of the second tray in the second direction. It has a first parallel surface that is longer than the distance from the first rotation axis to the one-sided edge of the second tray in the first direction and extends parallel to the second surface, and the first parallel surface is provided. Due to the rotation about the moving axis, the first rotation storage position where the first parallel surface overlaps the second surface in the direction perpendicular to the second surface and the overlap between the first parallel surface and the second surface are formed. A first rotating tray that is displaced to a first deployment position that extends in a direction intersecting the second direction so as to be smaller.
It is provided on the second surface side with respect to the second tray, and is pivotally supported by a second rotation shaft extending in the orthogonal direction at a position between the center and the other end of the second tray in the second direction. The second having a second parallel surface that is longer than the distance from the second rotation shaft to the one-sided edge of the second tray in the first direction and extends parallel to the second surface. The second rotation storage position where the second parallel surface overlaps the second surface in the direction perpendicular to the second surface due to rotation about the rotation axis, and the overlap between the second parallel surface and the second surface. A second rotating tray that is displaced to a second deployment position that extends in a direction intersecting the second direction so that
It is provided integrally with the first rotation tray, and extends from the first rotation tray toward the second rotation tray in a state where the first rotation tray is located at the first rotation storage position. 1st link member to be
It is provided integrally with the second rotation tray, and extends from the second rotation tray toward the first rotation tray in a state where the second rotation tray is located at the second rotation storage position. With a second link member
The first link member is formed with a columnar portion projecting in the orthogonal direction.
The second link member is formed with an elongated hole extending in the extending direction of the second link member.
The columnar portion is a sheet tray that is engaged with the elongated hole. The sheet tray according to claim 1.
In the state where the first rotation tray is located at the first rotation storage position, the length of the first link member in the first direction is larger than the length of the first rotation tray in the first direction. In a state where the second rotation tray is small and is located at the second rotation storage position, the length of the second link member in the first direction is the length of the second rotation tray in the first direction. A sheet tray that is smaller than the size. The sheet tray according to claim 1 or 2.
The second guide portions are provided at both ends and a central portion of the second tray in the second direction.
The first rotation shaft and the second rotation shaft are arranged on one end side and the other end side in the second direction with respect to the second guide portion in the central portion in the second direction, respectively. , Sheet tray. The sheet tray according to any one of claims 1 to 3.
A sheet tray in which the first rotation shaft and the second rotation shaft overlap the first surface in the direction orthogonal to the first surface in a state where the second tray is located at the slide storage position. The sheet tray according to any one of claims 1 to 4.
In a state where the first rotating tray and the second rotating tray are located at the first unfolding position and the second unfolding position, respectively, the columnar portion is located at the center of the second tray in the second direction. , The length of the first link member and the second link member, the position of the elongated hole and the length in the extending direction, and the position of the columnar portion are designed. The sheet tray according to any one of claims 1 to 5.
The columnar portion is a sheet tray that protrudes from the second surface in the orthogonal direction toward the first surface. The sheet tray according to claim 6.
A sheet tray in which the columnar portion extends to a position facing the one end edge of the first tray in the first direction and the first direction. The sheet tray according to claim 7.
The first link member and the second link member are aligned with each other in a state where the first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively. A seat tray that is formed to be located in. The sheet tray according to claim 8.
A slit extending in the second direction is formed at the end of the first tray on one side of the first direction.
The columnar portion is a sheet tray fitted in the slit. The sheet tray according to any one of claims 1 to 9.
A sheet tray that is attached to the second tray and further includes a cover that sandwiches the first rotating tray and the second rotating tray with the second surface. The sheet tray according to any one of claims 1 to 10.
The first link member and the second link member are in a state where the first rotation tray and the second rotation tray are located at the first rotation storage position and the second rotation storage position, respectively. A seat tray that is displaced in the first direction with respect to the first rotation shaft and the second rotation shaft. A seat tray that supports the seat and
An image forming portion for forming an image on a sheet conveyed from the sheet tray is provided.
The image forming apparatus, wherein the sheet tray is the sheet tray according to any one of claims 1 to 11.

Images