JP2023153236A - Medium transport device - Google Patents

Abstract

To provide a medium transport device that facilitates the process of changing media trays so that media of various widths can be properly transported, and reduces the height thereof when in use.SOLUTION: An image reading device 1 includes: an image reading device main body 2, which is formed with a paper feed port 5 and transports a medium inserted into the paper feed port 5; a media tray main body 7, which has formed thereon a main body placing surface 11 and arranged so that a medium 43 placed on the main body placing surface 11 is inserted into the paper feed port 5; and a receipt guide 8, which has formed thereon an extension placing surface 12 and a large receipt insertion port 31 and supported by the media tray main body 7 in a movable manner so as to be placed in the extended or folded position. When the receipt guide 8 is positioned in the folded position, the large receipt insertion opening 31 is formed so that a medium 41 inserted into the large receipt insertion opening 31 is inserted into the paper feed opening 5 through a space 38 between the media tray main body 7 and the receipt guide 8, and an opening 37 connecting the space 38 to the outside is further formed.SELECTED DRAWING: Figure 7

Description

The technology of the present disclosure relates to an image reading device.

An image reading device is known in which a medium tray is provided with a plurality of guides having different widths (see Patent Documents 1 and 2). Such an image reading device can appropriately convey a plurality of media having different widths, and can appropriately read images of a plurality of media having different widths.

Japanese Patent Application Publication No. 2007-251479 Japanese Unexamined Patent Publication No. 63-272727

However, such image reading devices require work such as storing the auxiliary tray separately when the auxiliary tray on which multiple guides are formed is removed, or attaching the auxiliary tray when using the multiple guides again. It becomes necessary. That is, such an image reading apparatus has a problem in that it is necessary to change the medium tray every time a medium of a different width is to be conveyed, which is time-consuming. Further, the image reading device has a problem in that the height of the device is high when in use.

The disclosed technology has been developed in view of these points, and is an image that facilitates the work of changing the media tray so that media of various widths can be appropriately conveyed, and reduces the height of the device during use. The purpose is to provide a reading device.

A medium transport device according to an aspect of the present disclosure includes a main body in which a first insertion port is formed and that transports a medium inserted into the first insertion port, and a first mounting surface, and the first mounting surface a medium tray main body disposed so that a first medium placed on the medium tray is inserted into the first insertion port; a support member movably supported by the medium tray main body; and a guide movably supported by the medium tray body via the support member so as to be disposed at a first position or a second position. The second placement surface is disposed on a side farther from the first insertion port than the first placement surface when the guide is placed in the first position, and is aligned with the first placement surface. There is. The second insertion opening is configured such that when the guide is placed in the second position, the second medium inserted into the second insertion opening is inserted into the second insertion opening through a space between the medium tray body and the guide. It is formed to be inserted into the first insertion port.

The disclosed image reading device can facilitate changing the media tray so that media of various widths can be appropriately conveyed, and can reduce the height of the device during use.

FIG. 1 is a perspective view showing an image reading device according to a first embodiment. FIG. 2 is a side view of the image reading device according to the first embodiment. FIG. 3 is an enlarged side view showing the support member of the image reading device according to the first embodiment. FIG. 4 is a perspective view showing the image reading device of the first embodiment when the receipt guide is placed in the folded position with respect to the medium tray main body. FIG. 5 is a side view showing the image reading device of the first embodiment when the receipt guide is placed in the folded position with respect to the medium tray main body. FIG. 6 is an enlarged side view showing the support member of the image reading device according to the first embodiment when the receipt guide is placed in the folded position with respect to the medium tray main body. FIG. 7 is a cross-sectional view of the image reading device according to the first embodiment when the medium tray main body is placed in the unfolded position and the receipt guide is placed in the folded position with respect to the medium tray main body. FIG. 8 is a perspective view showing the image reading device of the first embodiment when the medium tray main body is placed in the storage position. FIG. 9 is a perspective view showing an image reading device according to the second embodiment. FIG. 10 is a side view showing an image reading device according to the second embodiment. FIG. 11 is an enlarged side view showing the support member of the image reading device according to the second embodiment. FIG. 12 is an enlarged side view of the media tray when the support member is placed in an intermediate position. FIG. 13 is a side view showing the image reading device of the second embodiment when the support member is disposed at an intermediate position. FIG. 14 is a side view showing the image reading device of the second embodiment when the receipt guide is placed in the retracted position. FIG. 15 is an enlarged side view of the support member when the receipt guide is placed in the retracted position. FIG. 16 is a perspective view of the image reading device according to the second embodiment when the receipt guide is placed in the retracted position.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An image reading device according to an embodiment disclosed in the present application will be described below with reference to the drawings. Note that the technology of the present disclosure is not limited by the following description. In addition, in the following description, the same components are given the same reference numerals and redundant explanations will be omitted.

FIG. 1 is a perspective view showing an image reading device 1 according to a first embodiment. The image reading device 1 of the first embodiment includes an image reading device main body 2 and a medium tray 3. The image reading device main body 2 has a paper feed port 5 and a paper discharge port 6 formed therein. The medium tray 3 includes a medium tray body 7 and a receipt guide 8. The medium tray main body 7 is formed into a plate shape, and has a main body mounting surface 11 formed therein. The receipt guide 8 is formed into a plate shape, and has an extension placement surface 12 formed therein.

The media tray 3 further includes a right side guide 14 and a left side guide 15. The right side guide 14 has a generally flat right side guide surface 16 formed therein. The right side guide 14 is arranged and supported by the medium tray body 7 so that the plane along the right side guide surface 16 is generally perpendicular to the plane along the main body mounting surface 11. The left side guide 15 is formed with a left side guide surface 17 that is generally flat. The left side guide 15 is arranged so that the left side guide surface 17 faces the right side guide surface 16, and is supported by the medium tray body 7. At this time, the conveyance direction 19 is parallel to a plane along the main body mounting surface 11, parallel to a plane along the right side guide surface 16, and parallel to a plane along the left side guide surface 17. .

The right side guide 14 further includes a generally flat right abutment surface 21 . The right contact surface 21 faces the same direction as the main body mounting surface 11 faces. The left side guide 15 further includes a left abutment surface 22 that is generally flat. The left contact surface 22 faces in the same direction as the main body mounting surface 11 faces. The plane along the left contact surface 22 and the plane along the right contact surface 21 are along one plane that is parallel to the plane along the main body mounting surface 11.

FIG. 2 is a side view showing the image reading device 1 of the first embodiment. The image reading device main body 2 is placed on an installation surface 23 on which the image reading device 1 is installed. The medium tray main body 7 is rotatably supported by the image reading device main body 2 about a medium tray main body rotation shaft 24 so as to be placed in the unfolded position or the stored position. The media tray main body rotation axis 24 is arranged near the paper feed port 5, is parallel to a plane along the installation surface 23, parallel to a plane along the main body mounting surface 11, and perpendicular to the conveyance direction 19. The main body placement surface 11 faces obliquely upward when the installation surface 23 is along a horizontal plane and the medium tray main body 7 is placed in the unfolded position. That is, the plane along the main body mounting surface 11 is inclined with respect to the plane along the installation surface 23 when the medium tray main body 7 is placed in the unfolded position. Furthermore, a part of the edge of the main body placement surface 11 is arranged near the paper feed port 5 when the medium tray main body 7 is arranged in the unfolded position.

Media tray 3 further includes a support member 25 . FIG. 3 is an enlarged side view showing the support member 25 of the image reading device 1 according to the first embodiment. The support member 25 is rotatably supported by the medium tray body 7 about a support member rotation shaft 26 so as to be placed in the unfolded position or the folded position. Support member rotation axis 26 is parallel to media tray body rotation axis 24 . The receipt guide 8 is rotatably supported by the support member 25 via the support member 25 so as to be placed in the unfolded position or the folded position with respect to the medium tray main body 7 . Specifically, the receipt guide 8 is supported by the support member 25 so as to be rotatable about the receipt guide rotation shaft 27 so that the receipt guide 8 is placed in the unfolded position or the folded position with respect to the support member 25. Receipt guide rotation axis 27 is parallel to support member rotation axis 26 , that is, parallel to media tray body rotation axis 24 . When the support member 25 is arranged in the unfolded position, the receipt guide 8 is in the unfolded position with respect to the media tray body 7 when the receipt guide 8 is arranged in the unfolded position with respect to the support member 25. Placed. The receipt guide 8 can be moved from the unfolded position to the folded position with respect to the media tray body 7 when the media tray body 7 is placed in the unfolded position, and is in the folded position with respect to the media tray body 7. It can be moved from to the expanded position.

In the media tray 3, when the receipt guide 8 is placed in the unfolded position with respect to the media tray main body 7, the main body placement surface 11 and the extension placement surface 12 are aligned as shown in FIG. It is formed along two planes. That is, the extension placement surface 12 is aligned with the main body placement surface 11 when the receipt guide 8 is placed in the unfolded position with respect to the medium tray main body 7 . The extension placement surface 12 is used for feeding from the main body placement surface 11 when the medium tray body 7 is placed in the unfolded position and the receipt guide 8 is placed in the unfolded position with respect to the media tray body 7. It is arranged on the side far from the paper opening 5.

FIG. 4 is a perspective view showing the image reading device 1 of the first embodiment when the receipt guide 8 is placed in the folded position with respect to the medium tray body 7. As shown in FIG. A large receipt insertion opening 31 and a small receipt insertion opening 32 are further formed on the back side of the extension mounting surface 12 of the receipt guide 8. The large receipt insertion slot 31 is formed with a large receipt right side guide surface 33 and a large receipt left side guide surface 34. The large receipt right side guide surface 33 is generally flat. A plane along the large receipt right side guide surface 33 is parallel to the conveyance direction 19 and approximately perpendicular to a plane along the extension placement surface 12 . The large receipt left side guide surface 34 is generally flat and faces the large receipt right side guide surface 33. A plane along the large receipt left side guide surface 34 is parallel to the conveyance direction 19 and approximately perpendicular to a plane along the extension placement surface 12 . The width W1 of the large receipt insertion slot 31 is equal to the distance between the large receipt right side guide surface 33 and the large receipt left side guide surface 34. An example of the width W1 is 85 mm.

The small receipt insertion slot 32 is arranged on the side farther from the receipt guide rotation shaft 27 than the large receipt insertion slot 31. That is, the small receipt insertion slot 32 is inserted into the large receipt insertion slot when the medium tray main body 7 is placed in the unfolded position and the receipt guide 8 is placed in the folded position with respect to the medium tray main body 7. 31 closer to the paper feed port 5. The small receipt insertion opening 32 is formed with a small receipt right side guide surface 35 and a small receipt left side guide surface 36. The small receipt right side guide surface 35 is generally flat. A plane along the small receipt right side guide surface 35 is parallel to the conveying direction 19 and perpendicular to a plane along the extension placement surface 12. The small receipt left side guide surface 36 is generally flat and faces the small receipt right side guide surface 35. A plane along the small receipt left side guide surface 36 is parallel to the conveying direction 19 and approximately perpendicular to a plane along the extension placement surface 12. The width W2 of the small receipt insertion slot 32 is equal to the distance between the small receipt right side guide surface 35 and the small receipt left side guide surface 36, and is smaller than the width W1 of the large receipt insertion slot 31. An example of the width W2 is 63 mm.

FIG. 5 is a side view showing the image reading device 1 of the first embodiment when the receipt guide 8 is placed in the folded position with respect to the medium tray body 7. As shown in FIG. The medium tray main body 7 and the receipt guide 8 overlap in a direction perpendicular to the plane along the main body placement surface 11 when the receipt guide 8 is arranged in the folded position with respect to the medium tray main body 7. . The extension placement surface 12 of the receipt guide 8 faces the body placement surface 11 of the media tray body 7 when the receipt guide 8 is placed in the folded position with respect to the media tray body 7, and the extension placement surface 12 faces the body placement surface 11 of the media tray body 7. along another plane that is parallel to the plane along 11. The right contact surface 21 of the right side guide 14 and the left contact surface 22 of the left side guide 15 are the contact surfaces of the receipt guide 8 when the receipt guide 8 is placed in the folded position relative to the media tray body 7. It contacts the extension mounting surface 12. That is, the right side guide 14 and the left side guide 15 are sandwiched between the medium tray body 7 and the receipt guide 8 when the receipt guide 8 is arranged in the folded position with respect to the medium tray body 7.

The width across the conveyance direction 19 of the media tray 3 when the receipt guide 8 is arranged in the folded position with respect to the media tray main body 7 is the same as that when the receipt guide 8 is arranged in the unfolded position with respect to the media tray main body 7. It is smaller than the width across the conveyance direction 19 of the media tray 3 when The width across the medium tray 3 in the transport direction 19 indicates the distance between two planes perpendicular to the transport direction 19 when the medium tray 3 is sandwiched between the two planes. In other words, the width across the medium tray 3 in the conveyance direction 19 (hereinafter referred to as the "length of the medium tray 3") is the width of the medium tray 3 when the receipt guide 8 moves from the unfolded position to the folded position with respect to the medium tray main body 7. Shorten by moving.

FIG. 6 is an enlarged side view showing the support member 25 of the image reading device 1 of the first embodiment when the receipt guide 8 is placed in the folded position with respect to the medium tray body 7. As shown in FIG. The support member 25 is arranged in the folded position with respect to the media tray body 7 when the receipt guide 8 is arranged in the folded position with respect to the media tray body 7. The receipt guide 8 is arranged in the folded position relative to the support member 25 when the receipt guide 8 is arranged in the folded position relative to the media tray body 7 . That is, when the support member 25 is placed in the folded position, the receipt guide 8 is placed in the folded position with respect to the support member 25, and the receipt guide 8 and placed in the folded position.

The media tray 3 is formed with an opening 37 when the receipt guide 8 is placed in the folded position relative to the media tray body 7. The opening 37 is formed between the medium tray body 7 and the receipt guide 8, and between the support member rotation shaft 26 and the receipt guide rotation shaft 27. The opening 37 forms one end of a space 38 surrounded by the medium tray body 7, the receipt guide 8, the right side guide 14, and the left side guide. That is, the space 38 is connected to the outside via the opening 37.

FIG. 7 is a cross-sectional view showing the image reading device 1 of the first embodiment when the medium tray body 7 is placed in the unfolded position and the receipt guide 8 is placed in the folded position with respect to the medium tray body 7. It is. The other end of the space 38 opposite to the one end where the opening 37 is formed is located when the medium tray main body 7 is placed in the unfolded position and when the receipt guide 8 is placed in the folded position. It is connected to the paper feed port 5 of the image reading device main body 2. The space 38 is further connected to the outside via a large receipt insertion port 31 and to the outside via a small receipt insertion port 32.

The medium 41 inserted from the large receipt insertion slot 31 is inserted into the paper feed slot along the space 38 when the medium tray main body 7 is placed in the unfolded position and the receipt guide 8 is placed in the folded position. 5, and is inserted into the paper feed port 5 of the image reading device main body 2. Since the large receipt insertion slot 31 is formed to surround the medium 41, it is possible to hold the medium 41 so that the medium 41 does not fall over even if the medium 41 has a tendency to bend.

The medium 42 inserted from the small receipt insertion slot 32 is inserted into the paper feed slot along the space 38 when the medium tray main body 7 is placed in the unfolded position and the receipt guide 8 is placed in the folded position. 5, and is inserted into the paper feed port 5 of the image reading device main body 2. Since the small receipt insertion slot 32 is formed to surround the medium 42, it is possible to hold the medium 42 so that the medium 42 does not fall over even if the medium 42 has a tendency to bend.

The medium 43 inserted through the opening 37 moves along the main body placement surface 11 due to its own weight when the medium tray main body 7 is placed in the unfolded position and the receipt guide 8 is placed in the folded position. It moves toward the paper feed port 5 and is inserted into the paper feed port 5 of the image reading device main body 2 .

The image reading device main body 2 includes a transport section 45, and further includes a reading section and an operation section (not shown). When the user performs a predetermined operation on the operation unit, the transport unit 45 separates one medium from the plurality of media inserted into the paper feed port 5 and transports the separated one medium. , is discharged from the discharge port 6. The reading unit captures an image of one medium transported by the transport unit 45.

FIG. 8 is a perspective view showing the image reading device 1 of the first embodiment when the medium tray main body 7 is placed in the storage position. The media tray main body 7 can be moved between the storage position and the unfolded position without the receipt guide 8 interfering with the image reading device main body 2 when the receipt guide 8 is placed in the folded position with respect to the media tray main body 7. be able to move appropriately between The medium tray main body 7 is arranged above the image reading device main body 2 so as to be along another plane that is generally parallel to the plane along the installation surface 23 when the medium tray main body 7 is placed in the storage position. . The receipt guide 8 is disposed between the medium tray body 7 and the image reading device body 2 when the medium tray body 7 is placed in the storage position. At this time, since the length of the medium tray 3 is short, the medium tray 3 can be attached to the image reading apparatus so that it does not protrude from the top of the image reading apparatus main body 2 even when the image reading apparatus main body 2 is formed in a small size. It can be appropriately stored in the upper part of the main body 2. The image reading device 1 can be stored in a small space by storing the medium tray 3 in the upper part of the image reading device main body 2.

[Operation of image reading device 1]
When a user wants to read images on a plurality of A4 sheets using the image reading device 1, the user places the medium tray main body 7 in the unfolded position and arranges the receipt guide 8 in the unfolded position with respect to the medium tray main body 7. Next, the user places the plurality of A4 sheets on the media tray 3 so that both edges of the plurality of A4 sheets face the right side guide surface 16 and the left side guide surface 17, respectively. At this time, the image reading device 1 can appropriately hold the A4 paper so that the A4 paper does not bend because the width across the medium tray 3 in the conveyance direction 19 is large. Since the main body placement surface 11 is inclined with respect to the installation surface 23, the plurality of A4 sheets placed on the media tray 3 are moved toward the paper feed port 5 along the main body placement surface 11 due to their own weight. The paper is moved and inserted into the paper feed slot 5. After a plurality of A4 sheets are inserted into the paper feed port 5, the user performs a predetermined operation on the image reading device main body 2.

When a user wants to read images of a plurality of receipts using the image reading device 1, the user places the medium tray main body 7 in the unfolded position and places the receipt guide 8 in the folded position with respect to the medium tray main body 7. Next, the user moves the large receipt so that the edges on both sides of the large receipt whose width is approximately equal to the width W1 of the plurality of receipts face the large receipt right side guide surface 33 and the large receipt left side guide surface 34, respectively. into the large receipt insertion slot 31. After the large receipt is inserted into the large receipt insertion slot 31, the user pushes the large receipt toward the back of the large receipt insertion slot 31 until the large receipt is inserted into the paper feed slot 5 of the image reading device main body 2. Insert more. Large receipts may be bent. At this time, the image reading device 1 properly handles the large receipt so that it does not fall over even if the large receipt has a tendency to bend due to being inserted into the large receipt insertion slot 31. can be retained.

The user further arranges the small receipt so that the edges on both sides of the small receipt whose width is approximately equal to the width W2 of the plurality of receipts face the small receipt right side guide surface 35 and the small receipt left side guide surface 36, respectively. into the small receipt insertion slot 32. After the small receipt is inserted into the small receipt insertion slot 32, the user pushes the small receipt toward the back of the small receipt insertion slot 32 until the small receipt is inserted into the paper feed slot 5 of the image reading device main body 2. Insert more. Small receipts may be bent. The image reading device 1 can appropriately hold the small receipt so that it does not fall over even if the small receipt has a tendency to bend due to the small receipt being inserted into the small receipt insertion slot 32. I can do it. After a plurality of receipts are inserted into the paper feed port 5, the user performs a predetermined operation on the image reading device main body 2.

When the user wants to read images of multiple media including large receipts, small receipts, and A4 paper, the user places the media tray body 7 in the unfolded position and folds the receipt guide 8 with respect to the media tray body 7. place in position. The user inserts the large receipt into the paper feed port 5 of the image reading device main body 2 so that the edges on both sides of the large receipt face the large receipt right side guide surface 33 and the large receipt left side guide surface 34, respectively. Insert the large receipt into the large receipt insertion slot 31. The user inserts the small receipt into the paper feed port 5 of the image reading device main body 2 so that the edges on both sides of the small receipt face the small receipt right side guide surface 35 and the small receipt left side guide surface 36, respectively. Insert the small receipt into the small receipt insertion slot 32 as shown in FIG. The user inserts the A4 paper into the paper feed port 5 of the image reading device main body 2 so that the edges on both sides of the A4 paper face the right side guide surface 16 and the left side guide surface 17, respectively. , insert an A4 sheet of paper into the opening 37. After the plurality of media are inserted into the paper feed port 5, the user performs a predetermined operation on the image reading device main body 2.

When a predetermined operation is performed, the image reading device main body 2 separates one medium from a plurality of media inserted into the paper feed port 5, and transports the separated medium. At this time, since the edges on both sides of the A4 paper face the right side guide surface 16 and the left side guide surface 17, the image reading device 1 is configured to prevent the A4 paper from tilting when the A4 paper is conveyed. It is possible to prevent this from occurring. By preventing the A4 paper from being skewed, the image reading device 1 regulates the direction in which the A4 paper is transported to the transport direction 19 and prevents the edges on both sides of the A4 paper from being inclined with respect to the transport direction 19. To prevent. At this time, since the edges on both sides of the large receipt face the large receipt right side guide surface 33 and the large receipt left side guide surface 34, when the large receipt is conveyed, the image reading device 1 It is possible to prevent large receipts from being skewed. By preventing the large receipt from being skewed, the image reading device 1 regulates the direction in which the large receipt is transported to the transport direction 19 and prevents the edges on both sides of the large receipt from being inclined with respect to the transport direction 19. To prevent. At this time, since the edges on both sides of the small receipt face the small receipt right side guide surface 35 and the small receipt left side guide surface 36, when the small receipt is conveyed, the image reading device 1 It is possible to prevent small receipts from being skewed. By preventing the small receipt from being skewed, the image reading device 1 regulates the direction in which the small receipt is transported to the transport direction 19 and prevents the edges on both sides of the small receipt from being inclined with respect to the transport direction 19. To prevent.

The image reading device main body 2 captures an image of one medium being transported. The image reading device main body 2 discharges the imaged medium from the discharge port 6. The image reading device main body 2 executes the process of conveying one medium and capturing an image once when one medium is inserted into the paper feed port 5. When a plurality of media are inserted into the paper feed port 5, the image reading device main body 2 repeatedly executes a process of transporting one medium and capturing an image. The number of times the process is repeated is equal to the number of media inserted into the paper feed port 5.

[Effects of image reading device 1 of Example 1]
The image reading device 1 according to the first embodiment includes an image reading device main body 2, a medium tray main body 7, and a receipt guide 8. The image reading device main body 2 has a paper feed port 5 formed therein, transports a medium inserted into the paper feed port 5, and reads an image on the medium being transported. The medium tray body 7 has a body placement surface 11 formed therein, and is arranged so that the medium placed on the body placement surface 11 is inserted into the paper feed port 5 . The receipt guide 8 is formed with an extension placement surface 12 and a large receipt insertion opening 31, and is movably supported by the medium tray body 7 so as to be placed in the unfolded position or the folded position. The extension placement surface 12 is arranged on the side farther from the paper feed port 5 than the main body placement surface 11 and is lined up with the main body placement surface 11 when the receipt guide 8 is placed in the unfolded position. The large receipt insertion port 31 is formed so that the medium inserted into the large receipt insertion port 31 is inserted into the paper feed port 5 when the receipt guide 8 is placed in the folding position.

At this time, when the receipt guide 8 is placed in the unfolded position and the A4 paper is placed on the media tray 3, the image reading device 1 properly moves the A4 paper so that the A4 paper does not fall over. can be retained. Therefore, the image reading device 1 can appropriately convey the A4 paper, and can appropriately read the image on the A4 paper. Furthermore, when the receipt guide 8 is placed in the folding position and a large receipt is inserted into the large receipt insertion slot 31, the image reading device 1 is configured to properly hold the large receipt so that the large receipt does not fall over. can be retained. Therefore, the image reading device 1 can appropriately convey the large-sized receipt and can appropriately read the image of the large-sized receipt. Further, in the image reading device 1, when the receipt guide 8 is placed in the folding position, the length of the medium tray 3 when folded is short, and the height of the device during use can be reduced. Since the receipt guide 8 is never removed, the image reading device 1 is more flexible than other image reading devices in which the receipt guide 8 is removable so that media of various widths can be conveyed appropriately. The task of changing the tray 3 can be facilitated.

Further, the receipt guide 8 of the image reading device 1 of the first embodiment is further formed with a small receipt insertion slot 32 . The small receipt insertion port 32 is formed so that the small receipt inserted into the small receipt insertion port 32 is inserted into the paper feed port 5 when the receipt guide 8 is placed in the folding position. The width W2 of the small receipt insertion slot 32 is smaller than the width W1 of the large receipt insertion slot 31. At this time, the image reading device 1 can appropriately convey the small receipt by inserting the small receipt, which is smaller in width than the large receipt, into the small receipt insertion slot 32 so that the small receipt does not travel diagonally.

Further, in the medium tray 3 of the image reading device 1 of the first embodiment, when the receipt guide 8 is placed in the folding position, the medium inserted into the large receipt insertion opening 31 is inserted into the small receipt insertion opening 32. It is formed so as to be placed between the medium and the medium tray body 7. At this time, even when a small receipt is inserted into the small receipt insertion slot 32, the image reading device 1 makes it easy to see the large receipt insertion slot 31 and easily determine whether or not a large receipt is inserted into the large receipt insertion slot 31. can be confirmed.

Further, the medium tray 3 of the image reading device 1 of the first embodiment is inserted into the opening 37 formed between the medium tray body 7 and the receipt guide 8 when the receipt guide 8 is placed in the folded position. The A4 paper sheet is placed on the main body placement surface 11. At this time, when the receipt guide 8 is placed in the folding position and the large receipt is inserted into the large receipt insertion slot 31, the image reading device 1 detects that the A4 paper is inserted into the opening 37. , can properly hold both large receipts and A4 paper. The image reading device 1 can appropriately capture images of both the large receipt and the A4 paper by appropriately holding both the large receipt and the A4 paper.

The image reading device 1 of the first embodiment further includes a right side guide 14 and a left side guide 15 that regulate the direction in which the medium placed on the main body placement surface 11 is conveyed. The right side guide 14 and the left side guide 15 are sandwiched between the receipt guide 8 and the medium tray body 7 when the receipt guide 8 is placed in the folded position. At this time, the image reading device 1 moves the receipt guide 8 to the media tray body so that the gap between the receipt guide 8 and the media tray body 7 is not closed when the receipt guide 8 is placed in the folded position. 7 can be supported. The image reading device 1 prevents the medium from being inserted into the paper feed port 5 due to the gap between the receipt guide 8 and the medium tray body 7 not being closed, and properly inserts the medium into the paper feed port 5. can do. Furthermore, in the image reading device 1, there is no need to provide separate members for the right side guide 14 and the left side guide 15 to prevent the gaps from being blocked, and the number of parts and manufacturing costs can be reduced. .

Further, the medium tray main body 7 of the image reading apparatus 1 of the first embodiment is rotatably supported by the image reading apparatus main body 2 so as to be placed in the unfolded position or the stored position. The medium tray main body 7 is arranged so that the medium placed on the main body mounting surface 11 is inserted into the paper feed port 5 when the medium tray main body 7 is arranged in the unfolded position. The receipt guide 8 is disposed between the medium tray body 7 and the image reading device body 2 when the receipt guide 8 is placed in the folding position and the medium tray body 7 is placed in the storage position. . At this time, since the length of the medium tray 3 when folded is short, the image reading apparatus 1 is designed to prevent the medium tray 3 from protruding from the image reading apparatus main body 2 even if the image reading apparatus main body 2 is small. The tray 3 can be stored compactly in the image reading device main body 2. The image reading device 1 can be stored in a small storage space by compactly storing the medium tray 3 in the image reading device main body 2.

Incidentally, the receipt guide 8 of the image reading device 1 of the first embodiment described above is rotatably supported by the medium tray body 7, but is not supported by the medium tray body 7 so as to be movable other than rotation. It's okay. In the image reading device 51 of the second embodiment, as shown in FIG. 9, the medium tray 3 of the image reading device 1 of the first embodiment described above is replaced with another medium tray 52, and the other parts are as follows. This is the same as the image reading device 1 of the first embodiment described above. FIG. 9 is a perspective view showing an image reading device 51 according to the second embodiment. In the medium tray 52, the medium tray main body 7, receipt guide 8, and support member 25 of the previously described medium tray 3 are replaced with another medium tray main body 53, a receipt guide 54, and a support member 55, respectively, and the other parts are , is the same as the medium tray 3 described above. The medium tray main body 53 is formed into a plate shape, like the medium tray main body 7, and has a main body mounting surface 11 formed therein. The receipt guide 54 is formed into a plate shape, and has an extension placement surface 56 formed therein. A large receipt insertion opening 31 and a small receipt insertion opening 32 are further formed in the extension placement surface 56 of the receipt guide 54.

FIG. 10 is a side view showing the image reading device 51 of the second embodiment. Like the medium tray main body 7, the medium tray main body 53 is rotatably supported by the image reading device main body 2 about the medium tray main body rotation shaft 24 so as to be placed in the unfolded position or the stored position. The receipt guide 54 is supported by the support member 55 for translational movement via the support member 55 such that the receipt guide 54 is placed in an extended position or a retracted position with respect to the media tray body 53 . The media tray 52 is formed such that the main body placement surface 11 and the extension placement surface 56 lie along one plane when the receipt guide 54 is placed in the extended position with respect to the media tray body 53. There is. That is, the extension placement surface 56 is aligned with the main body placement surface 11 when the receipt guide 54 is placed in the extended position relative to the media tray body 53. The extension placement surface 56 is used for feeding from the main body placement surface 11 when the medium tray main body 53 is placed in the unfolded position and the receipt guide 54 is placed in the extended position with respect to the medium tray main body 53. It is arranged on the side far from the paper opening 5.

FIG. 11 is an enlarged side view showing the support member 55 of the image reading device 1 according to the second embodiment. The support member 55 is supported by the medium tray body 53 so as to be rotatable about a support member rotation shaft 57 so as to be placed at the extended position or an intermediate position. Support member rotation axis 57 is parallel to media tray body rotation axis 24 . The receipt guide 54 is rotatably supported by the support member 55 about a receipt guide rotation shaft 58 so that the receipt guide 54 is placed in the extended position or the shortened position with respect to the support member 55. Receipt guide rotation axis 58 is parallel to support member rotation axis 57 and parallel to media tray body rotation axis 24 . The receipt guide 54 is in the extended position with respect to the media tray body 53 when the support member 55 is located in the extended position and the receipt guide 54 is in the extended position with respect to the support member 55. Placed.

FIG. 12 is an enlarged side view of the media tray 52 when the support member 55 is placed in an intermediate position. Media tray 52 includes a stopper 61 . The stopper 61 is formed into a plate shape and is fixed to the medium tray body 53. Receipt guide 54 is fixed to support member 55 by contacting stopper 61 when placed in the extended position relative to media tray body 53 .

When the support member 55 rotates from the extended position toward the intermediate position, the receipt guide 54 separates from the stopper 61 and is released from being fixed to the support member 55. The receipt guide 54 rotates relative to the support member 55 from the extended position toward the shortened position in conjunction with the rotation of the support member 55 from the extended position toward the intermediate position. The receipt guide 54 is placed in the retracted position with respect to the support member 55 when the support member 55 is placed in the intermediate position.

FIG. 13 is a side view showing the image reading device 51 of the second embodiment when the support member 55 is arranged at an intermediate position. A rail 62 is further formed on the medium tray body 53. The rail 62 is along a straight line parallel to the conveyance direction 19. The support member 55 is further supported by the media tray body 53 via a rail 62 so as to be movable in translation parallel to the transport direction 19 so as to be disposed in an intermediate or retracted position.

FIG. 14 is a side view showing the image reading device 51 of the second embodiment when the receipt guide 54 is placed in the retracted position. The medium tray main body 53 and the receipt guide 54 overlap in a direction perpendicular to the plane along the main body mounting surface 11 when the receipt guide 54 is arranged in the shortened position with respect to the medium tray main body 53. The extension placement surface 56 is a plane that faces the same direction as the main body placement surface 11 faces when the receipt guide 54 is arranged in the shortened position with respect to the media tray main body 53, and is a plane along the main body placement surface 11. along another plane that is parallel to . The right abutting surface 21 of the right side guide 14 and the left abutting surface 22 of the left side guide 15 are defined as the right abutting surface 21 of the right side guide 14 and the left abutting surface 22 of the left side guide 15. comes into contact with the back surface of the extension mounting surface 56 of. That is, the right side guide 14 and the left side guide 15 are sandwiched between the medium tray main body 53 and the receipt guide 54 when the receipt guide 54 is arranged at the shortened position with respect to the medium tray main body 53.

FIG. 15 is an enlarged side view showing the support member 55 when the receipt guide 54 is placed in the retracted position. The support member 55 is placed in the retracted position when the receipt guide 54 is placed in the retracted position with respect to the media tray body 53. That is, the receipt guide 54 is arranged at the retracted position relative to the support member 55 and is fixed to the support member 55 when the support member 55 is located between the intermediate position and the retracted position. Therefore, the receipt guide 54 is translated toward the contracted position as the support member 55 is translated toward the contracted position. The receipt guide 54 is placed in the retracted position by placing the support member 55 in the retracted position.

FIG. 16 is a perspective view showing the image reading device 51 of the second embodiment when the receipt guide 54 is placed in the retracted position. The width across the conveyance direction 19 of the media tray 52 when the receipt guide 54 is disposed in the shortened position with respect to the media tray body 53 is the same as that when the receipt guide 54 is disposed in the extended position with respect to the media tray body 53. It is smaller than the width across the conveyance direction 19 of the media tray 52 when That is, the width across the media tray 52 in the conveyance direction 19 (hereinafter referred to as "the length of the media tray 52") is determined by the movement of the receipt guide 54 from the extended position to the shortened position with respect to the media tray main body 53. By doing so, it is shortened.

The media tray 52 is further defined with a space 63 and an opening 64, as shown in FIG. 14, when the receipt guide 54 is placed in the retracted position. The space 63 is surrounded by the medium tray body 53, the receipt guide 54, the right side guide 14, and the left side guide. One end of the space 38 is connected to the paper feed port 5 of the image reading device main body 2 when the medium tray main body 53 is placed in the unfolded position. The opening 64 is connected to the other end of the space 63 opposite to the one end connected to the paper feed port 5 . As shown in FIG. 16, the space 38 is further connected to the outside via a large receipt insertion port 31 and to the outside via a small receipt insertion port 32.

The image reading device 51 can appropriately hold media of various widths, similar to the image reading device 1 of the first embodiment described above. That is, the image reading device 51 prevents the large receipt inserted from the large receipt insertion slot 31 from falling down when the medium tray main body 7 is placed in the unfolded position and the receipt guide 54 is placed in the retracted position. , can hold large receipts properly. The image reading device 51 further prevents the small receipt inserted from the small receipt insertion slot 32 from falling over when the medium tray main body 7 is placed in the unfolded position and the receipt guide 54 is placed in the retracted position. , can hold small receipts properly. The image reading device 51 can further appropriately hold the A4 paper inserted through the opening 64 when the medium tray main body 7 is placed in the expanded position and the receipt guide 54 is placed in the retracted position. can. The image reading device 51 prevents the A4 paper placed on the media tray 3 from being bent when the receipt guide 54 is disposed in the extended position when the media tray main body 7 is disposed in the unfolded position. can be held properly. By appropriately holding media of various widths, the image reading device 51 can appropriately convey media of various widths similarly to the image reading device 1 of the first embodiment described above. It is possible to appropriately capture an image of a medium with a wide width.

The image reading device 51 can shorten the length of the medium tray 52 similarly to the image reading device 1 of the first embodiment described above. The height of the image reading device 51 during use can be reduced by shortening the length of the medium tray 52. The medium tray 52 can be stored in the upper part of the image reading device main body 2 . In the image reading device 51, the length of the medium tray 52 is shortened so that the medium tray 52 does not protrude from the top of the image reading device main body 2 even when the image reading device main body 2 is formed in a small size. , the medium tray 52 can be appropriately stored in the upper part of the image reading apparatus main body 2.

The mechanism for rotatably supporting the receipt guide 8 on the medium tray body 7 is simpler than the mechanism for supporting the receipt guide 54 on the medium tray body 53 so as to be translationally movable. Therefore, the image reading device 1 of the first embodiment can be manufactured at a lower cost than the image reading device 51 of the second embodiment.

By the way, although the image reading devices 1 and 51 described above are provided with the large receipt insertion slot 31 and the small receipt insertion slot 32, only one of them may be provided. The image reading devices 1 and 51 change the media trays 3 and 52 so that media of various widths can be conveyed appropriately even when only one of the large receipt insertion slot 31 and the small receipt insertion slot 32 is provided. The height of the device during use can be reduced.

Although the embodiments have been described above, the embodiments are not limited to the contents described above. Furthermore, the above-mentioned components include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those that are in a so-called equivalent range. Furthermore, the aforementioned components can be combined as appropriate. Furthermore, at least one of various omissions, substitutions, and modifications of the components can be made without departing from the gist of the embodiments.

1: Image reading device 2: Image reading device main body 3: Media tray 5: Paper feed slot 7: Media tray main body 8: Receipt guide 11: Main body placement surface 12: Extension placement surface 14: Right side guide 15: Left side Guide 19: Conveyance direction 31: Large receipt insertion slot 32: Small receipt insertion slot 37: Opening 38: Space 51: Image reading device 52: Media tray 53: Media tray body 54: Receipt guide 56: Extension placement surface 64: Aperture

The technology of the present disclosure relates to a medium transport device.

The disclosed technology has been made in view of these points, and provides a medium that facilitates the work of changing the media tray so that media of various widths can be appropriately conveyed, and that reduces the height of the device during use. The purpose is to provide a conveyance device.

A medium transport device according to an aspect of the present disclosure includes a main body in which a first insertion port is formed, a main body for transporting a medium to be inserted into the first insertion port, and a first placement surface, and is in a deployed position or a storage position. a media tray body movably supported by the main body so as to be disposed, a second placement surface and a second insertion opening, and when the media tray body is disposed in the expanded position, a guide movably supported by the media tray body so as to be disposed in a first position or a second position. The second placement surface is configured to move the first insertion surface from the first placement surface when the medium tray main body is placed in the deployed position and the guide is placed in the first position. It is arranged on the side far from the mouth and is lined up with the first placement surface. The media tray body and the media tray body are arranged on the first placement surface when the media tray body is placed in the expanded position and the guide is placed in the first position. The tray is formed such that a loaded first medium is inserted into the first insertion slot, and the medium tray main body is placed in the expanded position, and the guide is placed in the second position. the second medium inserted into the second insertion port is inserted into the first insertion port when the guide is placed in the second position; The main body is configured to be movable from the deployed position to the stored position .

The disclosed media transport device can facilitate changing media trays to appropriately transport media of various widths, and can reduce the height of the device in use.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An image reading device equipped with a medium conveyance device according to an embodiment disclosed in the present application will be described below with reference to the drawings. Note that the technology of the present disclosure is not limited by the following description. In addition, in the following description, the same components are given the same reference numerals and redundant explanations will be omitted.

Claims (6)

a main body formed with a first insertion port and configured to transport a medium to be inserted into the first insertion port;
a medium tray body formed with a first placement surface and arranged so that the first medium placed on the first placement surface is inserted into the first insertion slot;
a support member movably supported by the media tray body;
a guide formed with a second placement surface and a second insertion port, and movably supported by the medium tray main body via the support member so as to be disposed at a first position or a second position;
the second placement surface is arranged on a side farther from the first insertion port than the first placement surface when the guide is placed at the first position, and is aligned with the first placement surface;
The second insertion opening is configured such that when the guide is placed at the second position, the second medium inserted into the second insertion opening passes through a space between the medium tray body and the guide. formed to be inserted into the first insertion port,
The media transport device further includes an opening connecting the space to the outside when the guide is placed in the second position. the guide is rotatably supported by the media tray body;
The medium transport device according to claim 1, wherein the second placement surface faces the first placement surface when the guide is placed at the second position. The guide further includes a third insertion port,
The third insertion port is configured such that when the guide is placed at the second position, a third medium inserted into the third insertion port is inserted into the first insertion port, and The medium transport device according to claim 1 or 2, wherein the width of the third insertion port is smaller than the width of the second insertion port. The third insertion opening is formed such that when the guide is placed in the second position, the second medium is placed between the third medium and the medium tray body. 3. The medium transport device according to 3. further comprising a side guide that regulates the direction in which the medium placed on the first placement surface is conveyed;
Media transport according to any one of claims 1 to 4, wherein the side guide is sandwiched between the guide and the media tray body when the guide is disposed in the second position. Device. the media tray body is rotatably supported by the body so as to be disposed in a third position or a fourth position;
The medium tray body is arranged such that the medium placed on the first placement surface is inserted into the first insertion slot when the medium tray body is placed in the third position. ,
The guide is disposed between the media tray body and the main body by disposing the media tray body in the fourth position when the guide is disposed in the second position. The medium transport device according to any one of claims 1 to 5.

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