JP7332355B2 - Media transport device - Google Patents

Description

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

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

JP 2007-251479 A JP-A-63-272727

However, in such an image reading apparatus, when the auxiliary tray on which the guides are formed is removed, the auxiliary tray must be stored separately, and when the guides are reused, the auxiliary tray must be attached. become necessary. That is, such an image reading apparatus has a problem that it takes time and effort to change the medium tray every time a medium having a different width is to be conveyed. In addition, the image reading device has a problem that the height of the device is high during use.

The disclosed technology has been made in view of this point, and is intended to facilitate the work of changing the medium tray so that media of various widths can be conveyed appropriately, and to reduce the height of the device during use. It is an object of the present invention to provide a reader.

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

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

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

An image reading apparatus according to embodiments 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. Also, in the following description, the same reference numerals are given to the same constituent elements, and overlapping explanations are omitted.

FIG. 1 is a perspective view showing an image reading apparatus 1 of Example 1. FIG. The image reading device 1 of Example 1 includes an image reading device main body 2 and a medium tray 3 . A paper feed port 5 and a discharge port 6 are formed in the image reading apparatus main body 2 . The medium tray 3 has a medium tray body 7 and a receipt guide 8 . The medium tray main body 7 is formed in a plate shape and has a main body mounting surface 11 formed thereon. The receipt guide 8 is formed in a plate shape and has an extension mounting surface 12 formed thereon.

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

The right side guide 14 is further formed with a substantially flat right contact surface 21 . The right contact surface 21 faces the same direction as the main body placement surface 11 faces. The left side guide 15 is further formed with a substantially flat left contact surface 22 . The left contact surface 22 faces in the same direction as the 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 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 supported by the image reading apparatus main body 2 so as to be rotatable about a medium tray main body rotating shaft 24 so as to be arranged at the deployed position or the retracted position. The medium tray main body rotating shaft 24 is arranged near the paper feed port 5 , parallel to the plane along the installation surface 23 , parallel to the plane along the main body mounting surface 11 , and perpendicular to the transport 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 arranged at the unfolded position. That is, the plane along the main body mounting surface 11 is inclined with respect to the plane along the mounting surface 23 when the medium tray main body 7 is arranged at the unfolded position. Further, part of the edge of the main body mounting surface 11 is arranged near the paper feed port 5 when the medium tray main body 7 is arranged at the unfolded position.

The media tray 3 further comprises support members 25 . FIG. 3 is an enlarged side view of the support member 25 of the image reading apparatus 1 according to the first embodiment. The support member 25 is supported by the medium tray main body 7 so as to be rotatable about a support member rotating shaft 26 so as to be arranged at the unfolded position or the folded position. The support member rotation axis 26 is parallel to the medium tray main 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 arranged at the unfolded position or the folded position with respect to the medium tray main body 7 . Specifically, the receipt guide 8 is rotatably supported by the support member 25 about a receipt guide rotation shaft 27 so as to be placed at the unfolded position or the folded position with respect to the support member 25 . The receipt guide rotation axis 27 is parallel to the support member rotation axis 26 , that is, parallel to the medium tray main body rotation axis 24 . When the support member 25 is at the unfolded position, the receipt guide 8 is at the unfolded position with respect to the medium tray main body 7 when the receipt guide 8 is at the unfolded position with respect to the support member 25 . placed. The receipt guide 8 can move from the unfolded position to the folded position with respect to the medium tray main body 7 when the medium tray main body 7 is arranged at the unfolded position. to the deployed position.

As shown in FIG. 2, when the receipt guide 8 is placed at the unfolded position with respect to the medium tray main body 7, the medium tray 3 has the main body placement surface 11 and the extension placement surface 12 aligned with each other. It is formed along two planes. That is, the extension mounting surface 12 is aligned with the main body mounting surface 11 when the receipt guide 8 is arranged at the unfolded position with respect to the medium tray main body 7 . When the medium tray main body 7 is arranged at the unfolded position and the receipt guide 8 is arranged at the unfolded position with respect to the medium tray main body 7 , the extension mounting surface 12 is fed from the main body mounting surface 11 . It is arranged on the far side from the paper mouth 5. - 特許庁

FIG. 4 is a perspective view showing the image reading apparatus 1 of the first embodiment when the receipt guide 8 is arranged at the folding position with respect to the medium tray main body 7. FIG. A large receipt insertion opening 31 and a small receipt insertion opening 32 are further formed on the back surface of the extension placement surface 12 of the receipt guide 8 . A large receipt right side guide surface 33 and a large receipt left side guide surface 34 are formed in the large receipt insertion slot 31 . 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 conveying direction 19 and substantially 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 . The plane along the large receipt left side guide surface 34 is parallel to the conveying direction 19 and substantially perpendicular to the 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 . 85 mm is exemplified as the width W1.

The small receipt insertion slot 32 is arranged farther from the receipt guide rotating shaft 27 than the large receipt insertion slot 31 . That is, when the medium tray main body 7 is arranged at the unfolded position and the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7, the small receipt insertion opening 32 is closed to the large receipt insertion opening. 31 is arranged on the side closer to the paper feed port 5 . A small receipt right side guide surface 35 and a small receipt left side guide surface 36 are formed in the small receipt insertion slot 32 . The small receipt right side guide surface 35 is generally flat. The plane along the small receipt right side guide surface 35 is parallel to the conveying direction 19 and perpendicular to the plane along the extension mounting 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 substantially perpendicular to a plane along the extension mounting 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 . 63 mm is exemplified as the width W2.

FIG. 5 is a side view showing the image reading apparatus 1 according to the first embodiment when the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7. FIG. The medium tray main body 7 and the receipt guide 8 overlap in a direction perpendicular to the plane along the main body mounting surface 11 when the receipt guide 8 is arranged in the folded position with respect to the medium tray main body 7. . The extension mounting surface 12 of the receipt guide 8 faces the main body mounting surface 11 of the medium tray main body 7 when the receipt guide 8 is arranged in the folded position with respect to the medium tray main body 7 . along another plane parallel to the plane along 11 . The right abutment surface 21 of the right side guide 14 and the left abutment surface 22 of the left side guide 15 are arranged to contact the receipt guide 8 when the receipt guide 8 is arranged in the folding position with respect to the medium 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 main body 7 and the receipt guide 8 when the receipt guide 8 is arranged in the folding position with respect to the medium tray main body 7 .

When the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7 , the width of the media tray 3 in the conveying direction 19 is the same as when the receipt guide 8 is arranged at the unfolded position with respect to the medium tray main body 7 . It is smaller than the span width in the transport direction 19 of the medium tray 3 when the medium tray 3 is closed. 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. That is, the width across the medium tray 3 in the conveying direction 19 (hereinafter referred to as “the length of the medium tray 3”) is the same as 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 of the support member 25 of the image reading apparatus 1 of the first embodiment when the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7. FIG. The support member 25 is arranged at the folded position with respect to the medium tray main body 7 when the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7 . The receipt guide 8 is arranged at the folding position with respect to the support member 25 when the receipt guide 8 is arranged at the folding position with respect to the medium tray main body 7 . That is, when the support member 25 is placed at the folded position, the receipt guide 8 is positioned relative to the medium tray body 7 when the receipt guide 8 is placed at the folded position with respect to the support member 25 . folded position.

The media tray 3 is formed with an opening 37 when the receipt guide 8 is arranged in the folded position with respect 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 supporting member rotating shaft 26 and the receipt guide rotating 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 through the opening 37 .

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

A medium 41 inserted from the large receipt insertion opening 31 is fed along the space 38 when the medium tray main body 7 is arranged at the unfolded position and the receipt guide 8 is arranged at the folded position. 5 and inserted into the paper feed port 5 of the image reading apparatus main body 2 . The large-sized receipt insertion opening 31 is formed so as to surround the medium 41, so that the medium 41 can be held so as not to fall even when the medium 41 has a tendency to bend.

The medium 42 inserted from the small receipt insertion opening 32 is fed along the space 38 when the medium tray main body 7 is arranged at the unfolded position and the receipt guide 8 is arranged at the folded position. 5 and inserted into the paper feed port 5 of the image reading apparatus main body 2 . The small receipt insertion slot 32 is formed so as to surround the medium 42, so that the medium 42 can be held so as not to fall even if the medium 42 has a tendency to bend.

The medium 43 inserted through the opening 37 is pushed along the main body placement surface 11 by its own weight when the medium tray main body 7 is arranged at the unfolded position and the receipt guide 8 is arranged at 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 apparatus main body 2 includes a conveying 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 a plurality of media inserted into the paper feed port 5 and transports the separated one medium. , from the outlet 6 . The reading unit captures an image of one medium conveyed by the conveying unit 45 .

FIG. 8 is a perspective view showing the image reading apparatus 1 of the first embodiment when the medium tray main body 7 is arranged at the retracted position. The medium tray main body 7 can be moved between the retracted position and the unfolded position without the receipt guide 8 interfering with the image reading apparatus main body 2 when the receipt guide 8 is arranged at the folded position with respect to the medium tray main body 7 . You can move between them properly. The medium tray main body 7 is arranged above the image reading device main body 2 so as to lie along another plane substantially parallel to the plane along the installation surface 23 when the medium tray main body 7 is arranged at the storage position. . The receipt guide 8 is arranged between the medium tray main body 7 and the image reading apparatus main body 2 when the medium tray main body 7 is arranged at the retracted position. At this time, since the length of the medium tray 3 is short, the medium tray 3 is arranged so as not to protrude from the top of the image reading apparatus main body 2 even when the image reading apparatus main body 2 is formed to be small. It can be suitably 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 the 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 at the unfolded position and places the receipt guide 8 at the unfolded position with respect to the medium tray main body 7 . Next, the user places a plurality of A4 sheets on the medium tray 3 so that both edges of the A4 sheets face the right side guide surface 16 and the left side guide surface 17, respectively. At this time, the image reading apparatus 1 can appropriately hold the A4 paper so that the A4 paper is not bent because the width of the medium tray 3 in the conveying direction 19 is large. A plurality of A4 sheets placed on the medium tray 3 are moved toward the paper feed port 5 along the main unit placement surface 11 by their own weight because the main unit placement surface 11 is inclined with respect to the installation surface 23 . It is moved and inserted into the paper feed port 5 . The user performs a predetermined operation on the image reading apparatus main body 2 after a plurality of A4 sheets are inserted into the paper feed port 5 .

When the 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 at the unfolded position and places the receipt guide 8 with respect to the medium tray main body 7 at the folded position. Next, the user moves the large receipt so that both side edges of the large receipt out of the plurality of receipts, the width of which is approximately equal to the width W1, face the large receipt right side guide surface 33 and the large receipt left side guide surface 34, respectively. is inserted into the large receipt insertion slot 31. After the large receipt is inserted into the large receipt insertion opening 31 , the user inserts the large receipt toward the back of the large receipt insertion opening 31 until the large receipt is inserted into the paper feed opening 5 of the image reading apparatus main body 2 . Insert more. A large receipt may have a crease. At this time, the image reading apparatus 1 properly inserts the large receipt into the large receipt insertion slot 31 so that even if the large receipt has a tendency to bend, the large receipt does not fall over. can hold.

Further, the user can move the small receipt so that both side edges of the small receipt out of the plurality of receipts, the width of which is approximately equal to the width W2, face the small receipt right side guide surface 35 and the small receipt left side guide surface 36, respectively. is inserted into the small receipt insertion slot 32. After the small receipt is inserted into the small receipt insertion slot 32 , the user slides 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 apparatus main body 2 . Insert more. A small receipt may have a crease. The image reading device 1 properly holds the small receipt so that the small receipt does not fall down even when the small receipt has a tendency to bend due to the small receipt being inserted into the small receipt insertion opening 32.例文帳に追加can be done. After inserting a plurality of receipts into the paper feed slot 5, the user performs a predetermined operation on the image reading apparatus main body 2. FIG.

When the user wants to read images on a plurality of media in which large receipts, small receipts, and A4 sheets are mixed, the user places the medium tray main body 7 in the unfolded position and folds the receipt guide 8 with respect to the medium tray main body 7. place in position. The user inserts the large receipt into the paper feed port 5 of the image reading apparatus main body 2 so that both edges of the large receipt face the large receipt right side guide surface 33 and the large receipt left side guide surface 34, respectively. A large receipt is inserted into the large receipt insertion slot 31 as shown. The user inserts the small receipt into the paper feed port 5 of the image reading apparatus main body 2 so that both edges of the small receipt face the small receipt right side guide surface 35 and the small receipt left side guide surface 36, respectively. The small receipt is inserted into the small receipt insertion slot 32 as shown. The user should insert the A4 paper so that both edges of the A4 paper face the right side guide surface 16 and the left side guide surface 17, respectively, and that the A4 paper is inserted into the paper feed opening 5 of the image reader main body 2. , A4 paper is inserted into the opening 37 . The user performs a predetermined operation on the image reading apparatus body 2 after inserting a plurality of media into the paper feed port 5 .

The image reading apparatus main body 2 separates one medium from a plurality of media inserted into the paper feed port 5 and conveys the separated one medium when a predetermined operation is performed. At this time, in the image reading apparatus 1, since the edges on both sides of the A4 paper face the right side guide surface 16 and the left side guide surface 17, respectively, the A4 paper is skewed when the A4 paper is conveyed. can be prevented from doing so. By preventing skewing of the A4 paper, the image reading apparatus 1 restricts the direction in which the A4 paper is conveyed to the conveying direction 19, and prevents the edges on both sides of the A4 paper from being inclined with respect to the conveying direction 19. To prevent. At this time, when the large receipt is conveyed, the image reading apparatus 1 has both edges of the large receipt opposed to the large receipt right side guide surface 33 and the large receipt left side guide surface 34, respectively. It is possible to prevent skewing of large receipts. The image reading apparatus 1 restricts the direction in which the large receipt is conveyed to the conveying direction 19 by preventing skewing of the large receipt, thereby preventing the edges on both sides of the large receipt from being inclined with respect to the conveying direction 19 . To prevent. At this time, when the small receipt is conveyed, the image reading apparatus 1 has both edges of the small receipt facing the small receipt right side guide surface 35 and the small receipt left side guide surface 36, respectively. It is possible to prevent small receipts from skewing. By preventing the skew of the small receipt, the image reading apparatus 1 restricts the direction in which the small receipt is conveyed to the conveying direction 19 and prevents the edges on both sides of the small receipt from being inclined with respect to the conveying direction 19 . To prevent.

The image reading device main body 2 captures an image of one medium that is conveyed. The image reading apparatus main body 2 ejects the imaged one medium from the ejection port 6 . When one medium is inserted into the paper feed port 5, the image reading apparatus main body 2 conveys one medium and executes the process of capturing an image once. When a plurality of media are inserted into the paper feed port 5, the image reading device main body 2 repeats the 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 the image reading device 1 of the first embodiment]
The image reading device 1 of Example 1 includes an image reading device body 2 , a medium tray body 7 and a receipt guide 8 . The image reading apparatus main body 2 is formed with a paper feed port 5, conveys a medium inserted into the paper feed port 5, and reads an image of the medium being conveyed. The medium tray main body 7 is formed with a main body placement surface 11 and is arranged so that the medium placed on the main body placement surface 11 is inserted into the paper feed port 5 . The receipt guide 8 is formed with an extension mounting surface 12 and a large receipt insertion opening 31, and is movably supported by the medium tray main body 7 so as to be arranged at 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 aligned with the main body placement surface 11 when the receipt guide 8 is arranged at the unfolded position. The large receipt insertion opening 31 is formed so that the medium inserted into the large receipt insertion opening 31 is inserted into the paper feed opening 5 when the receipt guide 8 is arranged at the folding position.

At this time, when the receipt guide 8 is arranged in the unfolded position, the image reading apparatus 1 properly adjusts the A4 paper so that the A4 paper does not fall down when the A4 paper is placed on the medium tray 3. can hold. Therefore, the image reading apparatus 1 can properly convey the A4 paper, and can properly read the image on the A4 paper. Further, the image reading apparatus 1 is configured such that when the receipt guide 8 is placed at the folding position and a large receipt is inserted into the large receipt insertion opening 31, the large receipt is properly positioned so as not to fall over. can hold. Therefore, the image reading apparatus 1 can appropriately convey a large receipt and appropriately read the image of the large receipt. Furthermore, in the image reading apparatus 1, when the receipt guide 8 is arranged at the folding position, the length of the medium tray 3 when folded is short, and the height of the apparatus during use can be reduced. Since the receipt guide 8 is not removed, the image reading apparatus 1 is different from other image reading apparatuses in which the receipt guide 8 is detachable. The work of changing the tray 3 can be facilitated.

Further, the receipt guide 8 of the image reading apparatus 1 of the first embodiment is further formed with a small receipt insertion opening 32 . The small receipt insertion opening 32 is formed so that a small receipt inserted into the small receipt insertion opening 32 is inserted into the paper feed opening 5 when the receipt guide 8 is arranged at 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. - 特許庁At this time, the image reading apparatus 1 can appropriately convey the small receipts so that the small receipts are not skewed by inserting the small receipts smaller in width than the large receipts into the small receipt insertion opening 32 .

Further, in the medium tray 3 of the image reading apparatus 1 of the first embodiment, when the receipt guide 8 is arranged at the folding position, the medium inserted into the large receipt insertion opening 31 is inserted into the small receipt insertion opening 32. and the medium tray main body 7. At this time, even when a small receipt is inserted into the small receipt insertion slot 32, the image reading apparatus 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 verified.

Further, the medium tray 3 of the image reading apparatus 1 of the first embodiment is inserted into the opening 37 formed between the medium tray main body 7 and the receipt guide 8 when the receipt guide 8 is arranged at the folding position. It is formed so that an A4 sheet to be loaded can be placed on the main body placement surface 11 . At this time, when the receipt guide 8 is arranged at the folding position and the large receipt is inserted into the large receipt insertion opening 31, the image reading apparatus 1 is operated by inserting the A4 paper into the opening 37. , can adequately hold both large receipts and A4 paper. By appropriately holding both the large receipt and the A4 paper, the image reading apparatus 1 can appropriately capture images of both the large receipt and the A4 paper.

The image reading apparatus 1 according to 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 arranged in the folding position. At this time, the image reading apparatus 1 moves the receipt guide 8 to the medium tray body so that the gap between the receipt guide 8 and the medium tray body 7 is not blocked when the receipt guide 8 is arranged at the folding position. 7 can be supported. The image reading device 1 prevents the medium from being prevented from being inserted into the paper feed port 5 by not closing the gap between the receipt guide 8 and the medium tray body 7, and inserts the medium into the paper feed port 5 appropriately. can do. Furthermore, the image reading apparatus 1 does not need to provide a separate member for preventing the gap from being clogged with the right side guide 14 and the left side guide 15, so that the number of parts can be reduced and the manufacturing cost can be reduced. .

Further, the medium tray main body 7 of the image reading device 1 of the first embodiment is rotatably supported by the image reading device main body 2 so as to be arranged at the unfolded position or the retracted position. The medium tray main body 7 is arranged such that the medium placed on the main body placement surface 11 is inserted into the paper feed port 5 when the medium tray main body 7 is arranged at the unfolded position. The receipt guide 8 is arranged between the medium tray main body 7 and the image reading apparatus main body 2 by arranging the medium tray main body 7 at the storage position when the receipt guide 8 is arranged at the folding position. . At this time, since the length of the medium tray 3 when folded is short, the image reading apparatus 1 holds the media so that the medium tray 3 does not protrude from the image reading apparatus main body 2 even if the image reading apparatus main body 2 is small. The tray 3 can be compactly stored in the image reading apparatus main body 2. - 特許庁The image reading device 1 can be stored in a small storage space by storing the medium tray 3 compactly in the image reading device body 2 .

By the way, the receipt guide 8 of the image reading apparatus 1 of the first embodiment described above is rotatably supported by the medium tray main body 7, and is supported by the medium tray main body 7 so as to be movable other than rotationally. may As shown in FIG. 9, the image reading apparatus 51 of the second embodiment is such that the medium tray 3 of the image reading apparatus 1 of the first embodiment is replaced with another medium tray 52, and the other parts are: It is the same as the image reading apparatus 1 of the first embodiment already described. FIG. 9 is a perspective view showing the image reading device 51 of the second embodiment. In the medium tray 52, the medium tray body 7, the receipt guide 8, and the support member 25 of the medium tray 3 described above are replaced with another medium tray body 53, the receipt guide 54, and the support member 55, respectively. , is the same as the medium tray 3 already described. Like the medium tray main body 7, the medium tray main body 53 is formed in a plate shape and has a main body mounting surface 11 formed thereon. The receipt guide 54 is formed in a plate shape and has an extension mounting surface 56 formed thereon. 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 supported by the image reading apparatus main body 2 so as to be rotatable about the medium tray main body rotating shaft 24 so as to be arranged at the unfolded position or the retracted position. The receipt guide 54 is supported by the support member 55 for translational movement via the support member 55 so as to be arranged in the extended position or the retracted position with respect to the medium tray body 53 . The medium tray 52 is formed such that when the receipt guide 54 is arranged in the extended position with respect to the medium tray main body 53, the main body mounting surface 11 and the extension mounting surface 56 are aligned with one plane. there is That is, the extension mounting surface 56 is aligned with the main body mounting surface 11 when the receipt guide 54 is arranged in the extended position with respect to the medium tray main body 53 . When the medium tray body 53 is at the unfolded position and the receipt guide 54 is at the extended position with respect to the medium tray body 53, the extension loading surface 56 is fed from the body loading surface 11. It is arranged on the far side from the paper mouth 5. - 特許庁

FIG. 11 is an enlarged side view of the support member 55 of the image reading apparatus 1 according to the second embodiment. The support member 55 is supported by the medium tray main body 53 so as to be rotatable about a support member rotating shaft 57 so as to be arranged at the extended position or the intermediate position. The support member rotation axis 57 is parallel to the medium tray main body rotation axis 24 . The receipt guide 54 is rotatably supported by the support member 55 about a receipt guide rotation shaft 58 so as to be positioned at the extended position or the retracted position with respect to the support member 55 . The receipt guide rotation axis 58 is parallel to the support member rotation axis 57 and parallel to the medium tray main body rotation axis 24 . When the support member 55 is positioned at the extended position, the receipt guide 54 is positioned at the extended position with respect to the medium tray body 53 when the receipt guide 54 is positioned at the extended position with respect to the support member 55 . placed.

FIG. 12 is an enlarged side view of the medium tray 52 when the support member 55 is placed in the middle position. The medium tray 52 has stoppers 61 . The stopper 61 is formed in a plate shape and fixed to the medium tray main body 53 . The receipt guide 54 is fixed to the support member 55 by coming into contact with the stopper 61 when arranged in the extended position with respect to the medium tray body 53 .

The receipt guide 54 is separated from the stopper 61 and released from being fixed to the support member 55 by rotating the support member 55 from the extended position toward the intermediate position. The receipt guide 54 rotates with respect to the support member 55 from the extended position toward the retracted position in conjunction with the rotation of the support member 55 from the extended position toward the intermediate position. The receipt guide 54 is arranged at the shortened position with respect to the support member 55 when the support member 55 is arranged at the intermediate position.

FIG. 13 is a side view showing the image reading device 51 of Example 2 when the support member 55 is arranged at the intermediate position. A rail 62 is further formed on the medium tray body 53 . The rails 62 are along straight lines parallel to the conveying direction 19 . The support member 55 is further supported by the medium tray body 53 via rails 62 so as to be translatable parallel to the transport direction 19 so as to be positioned at the intermediate position or the retracted position.

FIG. 14 is a side view showing the image reading device 51 of the second embodiment when the receipt guide 54 is arranged at 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 placement surface 11 when the receipt guide 54 is arranged in the retracted position with respect to the medium tray main body 53 . The extension mounting surface 56 faces the same direction as the main body mounting surface 11 when the receipt guide 54 is arranged in the retracted position with respect to the medium tray main body 53, and is a plane along the main body mounting surface 11. along another plane that is parallel to The right abutment surface 21 of the right side guide 14 and the left abutment surface 22 of the left side guide 15 are arranged in the receipt guide 54 when the receipt guide 54 is arranged in the retracted position with respect to the medium tray main body 53 . contact the rear surface of the extension mounting surface 56 of the . 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 in the retracted 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 arranged at the retracted position. The support member 55 is arranged at the retracted position when the receipt guide 54 is arranged at the retracted position with respect to the medium tray main body 53 . That is, the receipt guide 54 is arranged at the shortened position with respect to the support member 55 and fixed to the support member 55 when the support member 55 is arranged between the intermediate position and the shortened position. Therefore, the receipt guide 54 translates toward the retracted position as the support member 55 translates toward the retracted position. The receipt guide 54 is arranged at the contracted position by arranging the support member 55 at the contracted position.

FIG. 16 is a perspective view showing the image reading device 51 of the second embodiment when the receipt guide 54 is arranged at the retracted position. The width of the medium tray 52 in the conveying direction 19 when the receipt guide 54 is arranged at the shortened position with respect to the medium tray main body 53 is the same as when the receipt guide 54 is arranged at the extended position with respect to the medium tray main body 53 It is smaller than the span width in the transport direction 19 of the medium tray 52 when it is open. That is, the width across the medium tray 52 in the conveying direction 19 (hereinafter referred to as the “length of the medium tray 52”) is determined by moving the receipt guide 54 from the extended position to the shortened position with respect to the medium tray main body 53. shorten by

The media tray 52 is further formed with a space 63 and an opening 64 as shown in FIG. 14 when the receipt guide 54 is placed in the retracted position. A 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 apparatus main body 2 when the medium tray main body 53 is arranged at 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 the large receipt insertion slot 31 and to the outside via the small receipt insertion slot 32 .

The image reading device 51 can appropriately hold media of various widths, like the image reading device 1 of the first embodiment. That is, the image reading device 51 is configured so that the large receipt inserted from the large receipt insertion opening 31 does not fall when the receipt guide 54 is located at the retracted position while the medium tray main body 7 is located at the extended position. , can properly hold large receipts. When the medium tray main body 7 is arranged at the extended position and the receipt guide 54 is arranged at the retracted position, the image reading device 51 further prevents the small receipt inserted from the small receipt insertion slot 32 from falling. , can properly hold small receipts. The image reading device 51 can appropriately hold an A4 sheet inserted through the opening 64 when the medium tray main body 7 is arranged at the extended position and the receipt guide 54 is arranged at the retracted position. can. The image reading device 51 is arranged such that the A4 paper placed on the medium tray 3 is not bent when the medium tray body 7 is arranged at the unfolded position and the receipt guide 54 is arranged at the extended position. can be properly held. 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 in the same manner as the image reading device 1 of the first embodiment. 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 body 2 . By shortening the length of the medium tray 52 of the image reading device 51, 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 portion of the image reading apparatus main body 2 .

A mechanism for rotatably supporting the receipt guide 8 on the medium tray main body 7 is simpler than a mechanism for supporting the receipt guide 54 on the medium tray main body 53 for translational movement. Therefore, the image reading apparatus 1 of the first embodiment can be manufactured at a lower cost than the image reading apparatus 51 of the second embodiment.

By the way, although the image reading apparatuses 1 and 51 described above are provided with the large receipt insertion opening 31 and the small receipt insertion opening 32, only one of them may be provided. The image reading apparatuses 1 and 51 change the medium trays 3 and 52 so that media of various widths can be conveyed appropriately even if only one of the large receipt insertion slot 31 and the small receipt insertion slot 32 is provided. It is possible to facilitate the work to do so, and to reduce the height of the device when in use.

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

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

Claims (6)

a main body having a first insertion port and carrying a medium inserted into the first insertion port;
a medium tray body having a first placement surface and arranged such that a first medium placed on the first placement surface is inserted into the first insertion opening;
a support member movably supported by the medium tray body;
a guide formed with a second placement surface and a second insertion opening, and supported by the medium tray body via the support member so as to be movable so as to be arranged at a first position or a second position;
The second mounting surface is arranged on a side farther from the first insertion port than the first mounting surface when the guide is arranged at the first position, and is aligned with the first mounting surface,
The second insertion port allows the second medium inserted into the second insertion port to pass through the space between the medium tray body and the guide when the guide is arranged at the second position. formed to be inserted into the first insertion port ,
An opening is further formed to connect the space to the outside when the guide is positioned at the second position.
Media transport . The guide is rotatably supported by the medium tray body,
The medium transporting device according to claim 1, wherein the second mounting surface faces the first mounting surface when the guide is arranged at the second position. The guide is further formed with a third insertion opening,
The third insertion port is configured such that a third medium inserted into the third insertion port is inserted into the first insertion port when the guide is arranged at the second position. 3. The medium conveying device according to claim 1, wherein the width of the three insertion openings is smaller than the width of the second insertion opening. The third insertion opening is formed such that the second medium is arranged between the third medium and the medium tray body when the guide is arranged at the second position. 4. The medium transport device according to 3. Further comprising a side guide for regulating the direction in which the medium placed on the first placement surface is conveyed,
The medium transport according to any one of claims 1 to 4 , wherein the side guide is sandwiched between the guide and the medium tray body when the guide is arranged at the second position. Device. the media tray body is rotatably supported by the body so as to be positioned at 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 opening when the medium tray body is arranged at the third position. ,
The guide is positioned between the medium tray body and the main body by positioning the medium tray body at the fourth position when the guide is positioned at the second position. The media transport device according to any one of claims 1 to 5 .

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