WO2014162850A1 - 用紙搬送装置 - Google Patents
用紙搬送装置 Download PDFInfo
- Publication number
- WO2014162850A1 WO2014162850A1 PCT/JP2014/056957 JP2014056957W WO2014162850A1 WO 2014162850 A1 WO2014162850 A1 WO 2014162850A1 JP 2014056957 W JP2014056957 W JP 2014056957W WO 2014162850 A1 WO2014162850 A1 WO 2014162850A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- downstream
- guide member
- upstream
- roller pair
- paper
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/36—Article guides or smoothers, e.g. movable in operation
- B65H5/38—Article guides or smoothers, e.g. movable in operation immovable in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2220/00—Function indicators
- B65H2220/09—Function indicators indicating that several of an entity are present
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
- B65H2404/611—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel
- B65H2404/6111—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel and shaped for curvilinear transport path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
Definitions
- the present invention relates to a sheet conveying apparatus, and more particularly to a sheet conveying apparatus provided with an upstream roller pair and a downstream roller pair for conveying a sheet.
- a sheet conveying apparatus including an upstream roller pair and a downstream roller pair for conveying a sheet is known.
- Such a sheet conveying apparatus is disclosed in, for example, Japanese Patent No. 3453508.
- Japanese Patent No. 3453508 discloses a sheet material conveying device (paper conveying device) provided with a sheet material conveying portion composed of a pair of rollers for nipping and conveying a sheet material (paper).
- paper conveying device paper conveying device
- a sheet material conveying portion composed of a pair of rollers for nipping and conveying a sheet material (paper).
- one sheet material conveying unit is provided on each of the upstream side and the downstream side in the conveying direction of the sheet material.
- the tangents of the roller pairs constituting the upstream sheet material conveying unit and the tangents of the roller pairs constituting the downstream sheet material conveying unit intersect each other. Is arranged.
- the sheet material conveyance path is configured to bend between the upstream sheet material conveyance unit and the downstream sheet material conveyance unit.
- an upper guide and a downstream guide unit for guiding the sheet material along the conveyance direction are provided between the upstream sheet material conveyance unit and the downstream sheet material conveyance unit.
- the upper guide and the downstream guide portion are formed so as to extend linearly in parallel to the tangent line of the roller pair constituting the upstream and downstream sheet material conveying portions, respectively.
- the vicinity of the end portion and the vicinity of the upstream end portion of the downstream guide portion are fixed in contact with each other.
- the paper conveyance path is curved in a curved shape.
- the upper guide and the downstream guide are formed so as to extend linearly in parallel to the tangent lines of the upstream and downstream roller pairs, respectively, Since the vicinity of the downstream end of the upper guide and the vicinity of the upstream end of the linear downstream guide are fixed in contact with each other, the sheet conveyance path is curved in a curved shape. As a result, there is a problem that it is difficult to reduce the size of the apparatus while smoothly transporting the paper.
- the present invention has been made to solve the above-described problems, and one object of the present invention is to provide a paper transport device that can reduce the size of the device while transporting paper smoothly. Is to provide.
- a paper transport device is arranged to sandwich paper, and an upstream roller pair and a downstream roller for transporting the sandwiched paper in a predetermined transport direction A pair, and an upstream guide member and a downstream guide member that are disposed in the vicinity of the upstream roller pair and the downstream roller pair and are spaced apart from each other and guide the sheet along the transport direction.
- the arrangement positions of the upstream guide member and the downstream guide member with respect to the upstream roller pair and the downstream roller pair are set so as to include at least one of the above.
- the upstream guide member disposed so as to cross the tangent line of the upstream roller pair and the tangent line of the downstream roller pair are crossed.
- the sheet conveyance path can be easily curved into a curved surface (curved shape).
- the paper transport path is folded back while smoothly transporting the paper along the curved transport path. Miniaturization can be achieved.
- the upstream guide member and the downstream guide member are mutually connected. Unlike the case of contact, there is no need to extend the downstream end of the upstream guide member and the upstream end of the downstream guide member to a position where they come into contact with the downstream guide member and the upstream guide member, respectively. Therefore, the length of each of the upstream guide member and the downstream guide member can be shortened, and this can also reduce the size of the apparatus.
- the upstream guide member is preferably disposed so as to cross the tangent line of the upstream roller pair extending along the conveying direction, and the downstream roller pair extending along the conveying direction.
- the downstream guide member is arranged so as to cross the tangent line.
- the upstream guide member is arranged so as to cross at least the tangent of the upstream roller pair extending along the conveying direction, and at least the upstream guide member is the upstream side. It is arranged so as to extend in the direction intersecting the transport direction in the vicinity of the roller pair.
- at least the upstream guide member is disposed so as to cross the tangent line of the upstream roller pair, and therefore, the upstream guide member easily and reliably curves the paper conveyance path into a curved surface. Can be made. This makes it possible to easily and reliably reduce the size of the apparatus while transporting the paper smoothly.
- the upstream guide member is preferably disposed downstream of the upstream roller pair and outside of the conveying direction, and the downstream guide member is The upstream guide member is disposed on the upstream side with respect to the downstream roller pair and on the outer side with respect to the conveying direction, and the upstream end portion of the downstream guide member is adjacent to the downstream end portion of the upstream guide member. It is arrange
- the vicinity of the downstream end of the upstream guide member and the vicinity of the upstream end of the downstream guide member are spaced apart from each other so as not to overlap each other. According to this configuration, the vicinity of the upstream end portion of the downstream guide member can be surely arranged outside the vicinity of the downstream end portion of the upstream guide member in the transport direction. Even when the transport path is curved into a curved surface, a paper jam occurs because the leading edge of the paper transported downstream from the upstream guide member contacts the vicinity of the upstream edge of the downstream guide member. Can be reliably suppressed.
- the downstream side of the upstream guide member The vicinity of the end and the vicinity of the upstream end of the downstream guide member are spaced apart from each other so as not to overlap each other. According to this configuration, unlike the case where the vicinity of the downstream end of the upstream guide member and the vicinity of the upstream end of the downstream guide member are arranged at a large distance, It is possible to suppress the formation of a large gap between the vicinity of the downstream end and the vicinity of the upstream end of the downstream guide member.
- the leading edge of the sheet conveyed downstream from the upstream guide member is located in the gap between the vicinity of the downstream end of the upstream guide member and the vicinity of the upstream end of the downstream guide member. It is possible to easily suppress the occurrence of a paper jam due to the intrusion.
- the downstream guide member is downstream of the upstream guide member.
- a first inclined surface is formed on the surface on the downstream guide member side in the vicinity of the end portion on the side so as to be inclined away from the vicinity of the upstream end portion of the downstream guide member, and upstream of the downstream guide member.
- a second inclined surface is formed on the surface on the upstream guide member side in the vicinity of the end portion on the side so as to be inclined away from the vicinity of the downstream end portion of the upstream guide member.
- the upstream edge part vicinity of a downstream guide member is upstream more reliably. It can arrange
- the upstream guide member is It arrange
- the upstream guide member has at least an upstream roller pair whose downstream side extends in the conveyance direction with respect to the upstream roller pair. It is arranged to cross the tangent line.
- the sheet conveyance path can be curved in a curved surface (curved shape) on the downstream side with respect to the upstream roller pair, so that the sheet is between the upstream roller pair and the downstream roller pair. Can be prevented from traveling in a direction deviating from the original transport direction. Accordingly, it is possible to suppress the occurrence of a paper jam even when the paper conveyance path is curved in a curved shape.
- the downstream guide member is It arrange
- the downstream guide member has at least a downstream roller pair whose upstream side extends in the conveyance direction with respect to the downstream roller pair. It is arranged to cross the tangent line.
- the sheet conveyance path can be curved in a curved surface (curved shape) on the upstream side with respect to the downstream roller pair, so that the sheet is between the upstream roller pair and the downstream roller pair. Can be prevented from traveling in a direction deviating from the original transport direction. Accordingly, it is possible to suppress the occurrence of a paper jam even when the paper conveyance path is curved in a curved shape.
- the vicinity of the downstream end portion of the upstream guide member is preferably formed to be tapered toward the downstream side in the conveying direction. If comprised in this way, since it can suppress that the thickness of an upstream guide member becomes large in the edge part vicinity of the downstream of an upstream guide member, size reduction of an apparatus can be achieved further.
- the paper conveyance device preferably further includes a printing unit for printing an image on the paper, and the downstream roller pair contacts a surface opposite to the side on which the image of the paper is printed.
- a discharge roller that is rotatable in the direction of discharging the paper
- a driven roller that is arranged to contact the surface on which the image of the paper is printed and rotates in accordance with the discharge roller.
- the roller is arranged so as to be orthogonal to the paper, and includes a thin disk member having an uneven outer peripheral portion.
- the paper conveyance device preferably further includes a printing unit for printing an image on the paper, and the downstream roller pair contacts a surface opposite to the side on which the image of the paper is printed.
- a discharge roller that is rotatable in the direction of discharging the paper
- a driven roller that is arranged to contact the surface on which the image of the paper is printed and rotates in accordance with the discharge roller.
- the downstream guide member disposed in the vicinity of the roller and the driven roller is disposed on the upstream side of the discharge roller and the driven roller and on the side opposite to the side on which the printing unit is disposed. If comprised in this way, a sheet
- an intermediate member that is disposed inside the conveyance direction and includes a curved surface portion that is curved in a curved shape along the conveyance direction, and the sheet is conveyed along the curved surface portion of the intermediate member.
- the intermediate member is integrally formed with a downstream guide member disposed in the vicinity of the discharge roller and the driven roller. If comprised in this way, the conveyance path
- the paper conveyance device further includes a reading unit for performing image reading processing on the paper, and the downstream guide member disposed on the downstream side of the reading unit is provided on the downstream side of the reading unit.
- the downstream guide member disposed on the downstream side of the reading unit is provided on the downstream side of the reading unit.
- the paper transport device preferably further includes an intermediate member that is disposed on the inner side with respect to the transport direction and includes a curved surface portion curved in a curved shape along the transport direction, and the paper is a curved surface of the intermediate member It is comprised so that it may be conveyed along a part and the upstream guide member and the downstream guide member are arrange
- the curved surface portion of the intermediate member can more reliably curve the paper transport path in a curved surface (curved shape), so that the paper can be smoothly fed along the curved transport path. It is possible to reduce the size of the apparatus by turning back the sheet conveyance path while conveying the sheet.
- the sheet can be guided from the inside in the transport direction by the curved surface portion of the intermediate member, and the sheet can be guided from the outside in the transport direction by the upstream guide member and the downstream guide member. By guiding, the sheet can be reliably conveyed.
- the curved surface portion is preferably provided at least between the upstream roller pair and the downstream roller pair in the transport direction. According to this configuration, the sheet conveyance path can be curved in a curved surface (curved shape) more reliably between the upstream roller pair and the downstream roller pair.
- the upstream roller pair and the downstream roller pair is disposed at a position corresponding to the curved surface portion. According to this configuration, even when the sheet conveyance path is curved in a curved shape (curved shape) by the curved surface portion, the upstream roller pair and the downstream roller pair disposed at positions corresponding to the curved surface portion. The sheet can be reliably conveyed by at least one of them.
- the upstream roller pair and the downstream roller pair both rotate with the driving roller that can rotate in the direction of conveying the sheet and the driving roller.
- the driving roller of the upstream roller pair and the driving roller of the downstream roller pair are both disposed inward with respect to the conveying direction, and are driven by the driven roller and the downstream roller pair of the upstream roller pair. Both rollers are arranged on the outside in the transport direction.
- FIG. 1 is a block diagram illustrating a configuration of an inkjet multifunction peripheral including a printer unit and a scanner unit according to an embodiment of the present invention. It is the model which showed the internal structure of the printer part by one Embodiment of this invention.
- FIG. 3 is an enlarged perspective view illustrating a discharge roller pair of a printer unit according to an embodiment of the present invention. It is the schematic diagram which showed the internal structure of the scanner part by one Embodiment of this invention.
- an inkjet multifunction peripheral 1000 including a printer unit 100 and a scanner unit 200 will be described.
- the printer unit 100 and the scanner unit 200 are both examples of the “paper transport device” in the present invention.
- the inkjet multifunction peripheral 100 includes a printer unit 100 having an image reading function and a scanner unit 200 having an image printing function.
- a printer unit 100 having an image reading function As shown in FIG. 1, the inkjet multifunction peripheral 100 includes a printer unit 100 having an image reading function and a scanner unit 200 having an image printing function.
- a specific internal configuration of the printer unit 100 according to an embodiment of the present invention will be described with reference to FIGS.
- the printer unit 100 includes an inkjet printing unit 1 for performing an image printing process on the paper S.
- the printer unit 100 is disposed in the vicinity of the paper feeding unit 151, and feeds the paper S 2 for feeding the paper S and the paper S fed by the paper feeding roller 2 to the printing unit 1 side.
- a discharge roller pair 5 for discharging the paper S after printing which is disposed in the vicinity of the discharge unit 152.
- the printer unit 100 includes two auxiliary rollers 6 and 7 disposed before and after the printing unit 1 (between the printing unit 1 and the transport roller pair 4 and between the printing unit 1 and the discharge roller pair 5). Is provided.
- the sheet feeding roller 2, the conveying roller pair 3, 4, the discharge roller pair 5, and the auxiliary rollers 6 and 7 have a curved surface (curve) in which the conveying path of the sheet S is inside the printer unit 100 (the left portion in FIG. 2). Are arranged so as to be bent (see a one-dot chain line with an arrow in FIG. 2). Note that the printing unit 1 is disposed outside the sheet S in the transport direction.
- the conveying roller pairs 3 and 4 and the discharge roller pair 5 are respectively driven by rotations of driving rollers 3a, 4a and 5a which are driven by a motor (not shown) as a power source, and driving rollers 3a, 4a and 5a. And rotating driven rollers 3b, 4b and 5b.
- the drive roller 5a is an example of the “discharge roller” in the present invention.
- the transport roller pair 3 is configured to sandwich the paper S transported from the upstream side (paper feed roller 2 side) and transport the paper S to the downstream side (transport roller pair 4 side).
- the transport roller pair 4 is configured to sandwich the paper S transported from the upstream side (transport roller pair 3 side) and transport the paper S to the downstream side (discharge roller pair 5 side).
- the discharge roller pair 5 is configured to sandwich and discharge the sheet S conveyed from the upstream side (conveyance roller pair 4 side). That is, the conveyance roller pair 3 is an example of the “upstream roller pair” in the present invention in relation to the conveyance roller pair 4, and the conveyance roller pair 4 is in the relationship with the conveyance roller pair 3 in the present invention. It is an example of a “downstream roller pair”.
- the conveyance roller pair 4 is an example of the “upstream roller pair” in the present invention in relation to the discharge roller pair 5, and the discharge roller pair 5 is in the relationship with the conveyance roller pair 4 in the present invention. It is an example of a “downstream roller pair”.
- guide members 8 and 9 for guiding the paper S along the conveyance direction are arranged near the conveyance roller pairs 3 and 4, respectively.
- a guide portion 10 for guiding the paper S along the transport direction (discharge direction) is also disposed in the vicinity of the upstream side of the discharge roller pair 5.
- the printing unit 1 is disposed on the downstream side of the conveying roller pair 4 and the guide member 9 and on the upstream side of the discharge roller pair 5 and the guide unit 10.
- the guide members 8 and 9 and the guide portion 10 are arranged so as to be separated from each other along the conveyance direction of the paper S.
- the guide member 8 is an example of the “upstream guide member” in the present invention in relation to the guide member 9, and the guide member 9 is in the “downstream guide” in the present invention in relation to the guide member 8. It is an example of “member”. Further, the guide member 9 is an example of the “upstream guide member” of the present invention in relation to the guide portion 10, and the guide portion 10 is related to the “downstream guide of the present invention in relation to the guide member 9. It is an example of “member”.
- the guide member 8 extends from the vicinity of the driven roller 3a of the pair of transport rollers 3 in a direction along the transport direction of the sheet S (see a one-dot chain line with an arrow in FIG. 2) (a direction from the lower left to the upper right in FIG. 2). Is formed. Further, the guide member 8 is in the vicinity of the upstream conveying roller pair 3 in a direction (crossing direction) substantially perpendicular to the conveying direction of the sheet S (see the alternate long and short dashed line with an arrow in FIG. 2) (lower right in FIG. 2). In the direction from the top to the left). Further, the guide member 9 extends in the direction along the conveyance direction of the sheet S (the direction from the upper left to the lower right in FIG.
- the guide unit 10 is provided with intermediate members 11 (drive rollers 3a, 4a, and 5a) disposed in the vicinity of the center of the printer unit 100 in the vertical direction (Z direction) and inside the transport direction of the paper S.
- the intermediate member 11 is integrated with the intermediate member 11 so as to protrude from the corner 11a near the drive roller 5a of the discharge roller pair 5 in the member) in the direction along the transport direction of the sheet S (the direction from the lower left to the upper right in FIG. 2). Is formed.
- the intermediate member 11 is provided with a curved surface portion 11b that extends from the vicinity of the paper feed roller 2 to the vicinity of the conveyance roller pair 4 through the conveyance roller pair 3 and is curved in a curved shape (curved shape). . That is, the curved surface portion 11b is formed at least between the conveying roller pair 3 and the conveying roller pair 4, and the conveying roller pair 3 is disposed at a position corresponding to the curved surface portion 11b.
- the transport path of the paper S is curved (curved) inside the printer unit 100 (the left portion in FIG. 2) and is folded back. (Refer to the one-dot chain line with an arrow in FIG. 2).
- the guide member 8 crosses the tangent line 11 (see the thick dotted line in FIG. 2) of the conveyance roller pair 3 extending along the conveyance direction of the paper S (see the dashed line with the arrow in FIG. 2).
- the guide member 9 is disposed so as to cross the tangent line 12 (see the thick dotted line in FIG. 2) of the conveyance roller pair 4 extending along the conveyance direction of the sheet S.
- the guide unit 10 is disposed so as not to intersect the tangent line 13 (see the thick dotted line in FIG. 2) of the discharge roller pair 5 extending along the conveyance direction of the paper S.
- the tangent line 11 of the transport roller pair 3 and the tangent line 12 of the transport roller pair 4 intersect each other.
- the guide member 8 is disposed on the downstream side with respect to the transport roller pair 3 and on the outer side with respect to the transport direction of the paper S (see the one-dot chain line with an arrow in FIG. 2). . Further, the guide member 9 is disposed on the outer side with respect to the transport direction of the paper S so as to straddle both the upstream side and the downstream side with respect to the transport roller pair 4. Further, the vicinity of the upstream end portion 9 a of the guide member 9 is arranged outside the vicinity of the downstream end portion 8 a of the guide member 8 in the transport direction of the paper S.
- the guide unit 10 is disposed on the inner side with respect to the transport direction of the paper S. That is, the guide unit 10 is disposed on the side opposite to the printing unit 1 disposed on the outer side with respect to the transport direction of the paper S.
- the vicinity of the downstream end portion 8a of the guide member 8 and the vicinity of the upstream end portion 9a of the guide member 9 are arranged so as not to overlap each other. That is, as shown in FIG. 2, a thin dotted line l4 extending in the vertical direction (Z direction) through the vicinity of the end portion 8a on the downstream side of the guide member 8 and the vicinity of the end portion 9a on the upstream side of the guide member 9 It is configured to be separated from the thin dotted straight line 15 extending in the vertical direction through the horizontal direction (X direction) with a predetermined distance D1.
- the vicinity of the downstream end portion 8a of the guide member 8 and the vicinity of the upstream end portion 9a of the guide member 9 are arranged so as to be separated from each other at positions close to each other.
- an inclined surface 8b is formed on the surface of the guide member 9 near the downstream end portion 8a of the guide member 8 so as to be inclined away from the vicinity of the upstream end portion 9a of the guide member 9.
- an inclined surface 9 b is formed on the surface on the guide member 8 side in the vicinity of the upstream end portion 9 a of the guide member 9 so as to be separated from the vicinity of the downstream end portion 8 a of the guide member 8.
- the vicinity of the downstream end portion 8 a of the guide member 8 is formed so as to taper so that the thickness decreases in the transport direction of the paper S.
- the inclined surfaces 8b and 9b are examples of the “first inclined surface” and the “second inclined surface” in the present invention, respectively.
- the discharge roller pair 5 is disposed so as to be in contact with the back surface S1 (see FIG. 2) opposite to the side on which the image of the paper S is printed.
- the driving roller 5a is configured to include a cylindrical member 50a (see FIG. 3) having a side surface in surface contact with the back surface S1 of the paper S.
- the driven roller 5b of the discharge roller pair 5 disposed so as to come into contact with the surface S2 (see FIG. 2) on the side on which the image of the sheet S is printed is disposed so as to be orthogonal to the sheet S.
- the cylindrical member 50a included in the drive roller 5a is formed to extend in a direction (Y direction) orthogonal to the paper S discharge direction. Further, the two disk members 50b included in the driven roller 5b are disposed so as to be separated from each other with a gap D2 in the Y direction. The distance D2 in the Y direction between the two disk members 50b included in the driven roller 5b is smaller than the length L in the Y direction of the columnar member 50a included in the drive roller 5a. As shown in FIG. 2, the auxiliary roller 7 disposed between the printing unit 1 and the discharge roller pair 5 also has an uneven outer peripheral portion with a sharp tip, like the driven roller 5 b of the discharge roller pair 5.
- the scanner unit 200 includes a reading unit 21 for performing image reading processing on the paper S.
- the scanner unit 200 is disposed in the vicinity of the paper feed unit 251, and feeds the paper S fed by the paper feed roller 22 to the reading unit 1 side.
- the sheet feeding roller 22, the conveying roller pair 23, 24, and the discharging roller pair 25 are such that the conveying path of the sheet S is curved (curved) inside the scanner unit 200 (the left portion in FIG. 4). It arrange
- the reading unit 21 is disposed on the outer side with respect to the conveyance direction of the paper S.
- the conveyance roller pair 23 and 24 and the discharge roller pair 25 are respectively driven by rotation of drive rollers 23a, 24a and 25a which are driven by a motor (not shown) as a power source, and drive rollers 23a, 24a and 25a. And rotating driven rollers 23b, 24b and 25b.
- the transport roller pair 23 is configured to sandwich the paper S transported from the upstream side (paper feed roller 22 side) and transport the paper S to the downstream side (transport roller pair 24 side).
- the transport roller pair 24 is configured to sandwich the paper S transported from the upstream side (transport roller pair 23 side) and transport the paper S to the downstream side (discharge roller pair 25 side).
- the discharge roller pair 25 is configured to sandwich and discharge the sheet S conveyed from the upstream side (conveyance roller pair 24 side). That is, the transport roller pair 23 is an example of the “upstream roller pair” of the present invention in relation to the transport roller pair 24, and the transport roller pair 24 is related to the transport roller pair 23 in the present invention. It is an example of a “downstream roller pair”.
- the conveyance roller pair 24 is an example of the “upstream roller pair” in the present invention in relation to the discharge roller pair 25, and the discharge roller pair 25 is in the relationship with the conveyance roller pair 24 in the present invention. It is an example of a “downstream roller pair”.
- guide members 26 and 27 for guiding the sheet S along the transport direction are disposed in the vicinity of the pair of transport rollers 23 and 24, respectively.
- a guide member 28 for guiding the sheet S along the transport direction is also disposed in the vicinity of the upstream side of the discharge roller pair 25.
- These guide members 26, 27 and 28 are arranged so as to be separated from each other along the transport direction of the paper S.
- the reading unit 21 is disposed downstream of the conveying roller pair 24 and the guide member 27 and upstream of the discharge roller pair 25 and the guide member 28.
- the guide member 26 is an example of the “upstream guide member” in the present invention in relation to the guide member 27, and the guide member 27 is in the “downstream guide in the present invention in relation to the guide member 26. It is an example of “member”.
- the guide member 27 is an example of the “upstream guide member” of the present invention in relation to the guide member 28, and the guide member 28 is the “downstream guide of the present invention in relation to the guide member 27. It is an example of “member”.
- the guide members 26 and 27 are both intermediate members 29 (drive rollers 23 a, 24 a and 25 a are arranged in the vicinity of the center in the vertical direction (Z direction) of the scanner unit 200 and inside the transport direction of the paper S. It is arrange
- the conveyance path of the sheet S is curved in a curved surface (curved shape) inside the scanner unit 200 (the left portion in FIG. 4) and is folded back. (Refer to a two-dot chain line with an arrow in FIG. 4).
- the guide member 26 is in a direction (upper right in FIG. 4) along the transport direction of the sheet S (see the two-dot chain line with an arrow in FIG. 4) so as to face the outer surface of the intermediate member 29 in the vicinity of the drive roller 23a. In the direction from the left to the lower left).
- the guide member 27 has a portion 27a extending in a direction along the transport direction of the sheet S (a direction from the lower right to the upper left in FIG. 4) so as to face the outer surface of the intermediate member 29 in the vicinity of the drive roller 24a. It is formed to have.
- the guide member 28 is arrange
- the guide member 28 is formed on the outer surface of the intermediate member 29 in the vicinity of the driving roller 25a so as to extend in the direction along the transport direction of the paper S (the direction from the lower left to the upper right in FIG. 4).
- the guide member 26 is formed so as to extend over both the upstream side and the downstream side with respect to the transport roller pair 23, and the downstream side of the transport roller pair 23 is the sheet S. It is arranged so as to cross the tangent line l6 (see the thick dotted line in FIG. 4) of the conveyance roller pair 23 extending along the conveyance direction (see the two-dot chain line with an arrow in FIG. 4).
- the guide member 27 is formed so as to extend over both the upstream side and the downstream side with respect to the transport roller pair 24, and the upstream side with respect to the transport roller pair 24 extends along the transport direction of the sheet S. It is arranged so as to cross the tangent line 17 (refer to the thick dotted line in FIG. 4) of the conveying roller pair 24.
- the guide member 28 is disposed so as to cross a tangent line 18 (see a thick dotted line in FIG. 4) of the discharge roller pair 25 extending along the transport direction of the paper S.
- the guide members 26 and 27 are both disposed outside the sheet S transport direction (see the two-dot chain line with the arrow in FIG. 4).
- the vicinity of the upstream end portion 27 a of the guide member 27 is arranged outside the vicinity of the downstream end portion 26 a of the guide member 26 in the transport direction of the paper S.
- the guide member 28 is disposed on the inner side with respect to the transport direction of the paper S. That is, the guide member 28 is disposed on the side opposite to the reading unit 21 disposed on the outer side with respect to the transport direction of the paper S.
- the vicinity of the downstream end portion 26a of the guide member 26 and the vicinity of the upstream end portion 27a of the guide member 27 are arranged so as not to overlap each other. That is, as shown in FIG. 4, a thin dotted line l9 extending in the horizontal direction (X direction) through the vicinity of the end portion 26a on the downstream side of the guide member 26 and the vicinity of the end portion 27a on the upstream side of the guide member 27 It is configured to be separated from the thin dotted straight line l10 extending in the X direction through the vertical direction (Z direction) with a predetermined distance D3.
- the vicinity of the end portion 26a on the downstream side of the guide member 26 and the vicinity of the end portion 27a on the upstream side of the guide member 27 are arranged so as to be separated from each other at positions close to each other. Further, the vicinity of the downstream end portion 26 a of the guide member 26 is formed so as to taper so that the thickness decreases in the conveyance direction of the paper S.
- the drive rollers 23a, 24a, and 25a are all provided on the inner side with respect to the conveyance direction of the sheet S, and the driven rollers 23b, 24b, and 25b are both disposed on the outer side with respect to the conveyance direction of the sheet S. Is provided.
- the guide members 8 and 9 of the printer unit 100 are respectively connected to the tangent line 11 of the conveyance roller pair 3 and the tangent line 12 of the conveyance roller pair 4 (see the thick dotted line in FIG. 2).
- the guide members 26, 27, and 28 of the scanner unit 200 are respectively connected to the tangent line 16 of the conveyance roller pair 23, the tangent line 17 of the conveyance roller pair 24, and the tangent line 18 of the discharge roller pair 25 (thick dotted lines in FIG. 4). (See reference).
- the conveyance path of the sheet S in the printer unit 100 see FIG.
- the conveyance path of the paper S in the scanner unit 200 can be curved into a curved surface (curved shape).
- the conveyance path of the paper S is folded back while smoothly conveying the paper S along the curved conveyance path. Accordingly, the size of the inkjet multifunction peripheral 1000 including the printer unit 100 and the scanner unit 200 can be reduced.
- the guide members 8 and 9 of the printer unit 100 (the guide members 26 and 27 of the scanner unit 200) so as to be separated from each other, the vicinity of the end portion 8a (26a) on the downstream side of the guide member 8 (26).
- the downstream end portion 8a (26a) of the guide member 8 (26) and the guide member 9 (27 ) Upstream end portion 9a (27a) does not need to be extended to a position where it comes into contact with guide member 9 (27) and guide member 8 (26), respectively, so that guide member 8 (26) and guide member 9
- Each length of (27) can be shortened, and this also reduces the size of the inkjet multifunction peripheral 1000 including the printer unit 100 and the scanner unit 200. Rukoto can.
- the guide member 8 is disposed so as to cross the tangent line 11 of the transport roller pair 3 extending along the transport direction of the sheet S, and the guide member 8 is in the vicinity of the transport roller pair 3.
- the vicinity of the upstream end portion 9 a of the guide member 9 of the printer unit 100 (the vicinity of the upstream end portion 27 a of the guide member 27 of the scanner unit 200) is connected to the guide member 8. It is arranged outside the vicinity of the downstream end portion 8a (the vicinity of the downstream end portion 26a of the guide member 26). Accordingly, the vicinity of the upstream end portion 9a (27a) of the guide member 9 (27) is different from the case where the vicinity of the downstream end portion 8a (26a) of the guide member 8 (26) is disposed. The leading edge of the sheet S conveyed downstream from the guide member 8 (26) comes into contact with the vicinity of the upstream end 9a (27a) of the guide member 9 (27). Proceeding in a direction deviating from the transport direction can be suppressed. As a result, it is possible to suppress the occurrence of a paper jam even when the conveyance path of the paper S is curved in a curved shape.
- the vicinity of the upstream end portion 9a (the vicinity of the upstream end portion 27a of the guide member 27) is disposed so as not to overlap each other.
- the vicinity of the upstream end portion 9a (27a) of the guide member 9 (27) can be surely arranged outside the vicinity of the downstream end portion 8a (26a) of the guide member 8 (26).
- the vicinity of the upstream end portion 9a (the vicinity of the upstream end portion 27a of the guide member 27) is arranged at a position close to each other so as not to overlap each other.
- the vicinity of the downstream end portion 8a (26a) of the guide member 8 (26) and the vicinity of the upstream end portion 9a (27a) of the guide member 9 (27) are arranged at a large distance from each other.
- an inclined surface 9b is formed on the surface of the guide member 8 near the upstream end portion 9a of the guide member 9 so as to be inclined away from the vicinity of the downstream end portion 8a of the guide member 8. .
- the guide member 26 is formed so as to span both the upstream side and the downstream side with respect to the transport roller pair 23, so that the upstream side with respect to the transport roller pair 23. Since the sheet S can be guided both on the downstream side and the downstream side, the sheet S can be reliably conveyed.
- the guide member 26 is disposed so that the downstream side with respect to the conveyance roller pair 23 crosses the tangent line 16 of the conveyance roller pair 23 extending along the conveyance direction of the sheet S. Since the conveyance path of the sheet S can be curved (curved) on the downstream side with respect to the conveyance roller pair 23, the sheet S is originally conveyed between the conveyance roller pair 23 and the conveyance roller pair 24. Proceeding in a direction deviating from the direction can be suppressed. Thereby, even when the conveyance path of the sheet S is curved into a curved surface, it is possible to suppress the occurrence of a paper jam.
- the guide member 27 is formed so as to extend over both the upstream side and the downstream side with respect to the transport roller pair 24, so that the upstream side with respect to the transport roller pair 24. Since the sheet S can be guided both on the downstream side and the downstream side, the sheet S can be reliably conveyed.
- the guide member 27 is disposed so that the upstream side with respect to the transport roller pair 24 crosses the tangent line 17 of the transport roller pair 24 extending along the transport direction of the sheet S. Since the conveyance path of the sheet S can be curved (curved) on the upstream side with respect to the conveyance roller pair 24, the sheet S is originally conveyed between the conveyance roller pair 23 and the conveyance roller pair 24. Proceeding in a direction deviating from the direction can be suppressed. Thereby, even when the conveyance path of the sheet S is curved into a curved surface, it is possible to suppress the occurrence of a paper jam.
- the thickness of the vicinity of the downstream end portion 8a of the guide member 8 and the vicinity of the downstream end portion 26a of the guide member 26 decreases toward the conveyance direction of the sheet S. It forms so that it may become.
- the driven roller 5b of the discharge roller pair 5 arranged so as to contact the surface S2 (see FIG. 2) on the side on which the image of the paper S is printed has a sharp tip.
- a thin disk member 50b (see FIG. 3) having an uneven outer peripheral portion is included. This reduces the contact area between the driven roller 5b and the surface S2 on the side on which the image of the paper S is printed, unlike the case where the driven roller 5b is configured by a thick disk member having no irregularities on the outer periphery. Therefore, it is possible to suppress the quality of the image from being degraded by rubbing the driven roller 5 on the surface S2 on the side where the image of the paper S is printed.
- the guide portion 10 formed in the vicinity of the upstream side of the discharge roller pair 5 (the driving roller 5a and the driven roller 5b) is disposed on the outer side with respect to the conveyance direction of the sheet S. It is arranged on the opposite side (inner side) from the printed part 1. Thereby, the sheet S can be guided toward the driving roller 5a while suppressing the surface of the sheet S on which the image is printed from coming into contact with the guide unit 10.
- the guide portion 10 formed in the vicinity of the discharge roller pair 5 (the driving roller 5a and the driven roller 5b) is replaced with the discharge roller pair 5 in the intermediate member 11 having the curved surface portion 11b.
- the intermediate member 11 is integrally formed so as to protrude and extend in a direction along the transport direction of the paper S from the corner portion 11a in the vicinity of the drive roller 5a. Thereby, the conveyance path of the paper S can be more reliably curved into a curved surface (curved shape) by the curved surface portion 11 b of the intermediate member 11.
- the guide member 28 formed in the vicinity of the upstream side of the discharge roller pair 25 (the driving roller 25a and the driven roller 25b) is disposed outside the sheet S conveyance direction.
- the reading unit 21 is arranged so as to cross the tangent line 18 of the discharge roller pair 25 extending along the conveyance direction of the paper S.
- the intermediate member 11 having the curved surface portion 11b is arranged on the inner side in the transport direction of the paper S, and the guide members 8 and 9 are both outside the transport direction of the paper S. To place. Accordingly, the curved surface portion 11b of the intermediate member 11 can more reliably bend the conveyance path of the sheet S into a curved surface (curved shape), so that the sheet S can be smoothly moved along the curved conveyance path. It is possible to reduce the size of the inkjet multifunction peripheral 1000 by turning the conveyance path of the paper S while conveying it.
- the sheet S can be guided from the inner side with respect to the transport direction by the curved surface portion 11b of the intermediate member 11, and the sheet S can be guided from the outer side with respect to the transport direction by the guide members 8 and 9, the sheet S can be guided on both sides.
- the sheet S can be reliably conveyed by guiding from the beginning.
- the intermediate member 29 having the curved surface portion 29 a is disposed inside the transport direction of the paper S, and the guide members 26 and 27 are both outside the transport direction of the paper S. To place.
- the curved surface portion 29a of the intermediate member 29 can more reliably bend the conveyance path of the sheet S into a curved surface (curved shape), so that the sheet S can be smoothly moved along the curved conveyance path. It is possible to reduce the size of the inkjet multifunction peripheral 1000 by turning the conveyance path of the paper S while conveying it.
- the sheet S can be guided from the inner side with respect to the transport direction by the curved surface portion 29a of the intermediate member 29, and the sheet S can be guided from the outer side with respect to the transport direction by the guide members 26 and 27.
- the sheet S can be reliably conveyed by guiding from the beginning.
- the curved surface portion 11b is formed at least between the conveying roller pair 3 and the conveying roller pair 4, and the curved surface portion 29a is formed at least by the conveying roller pair 23 and the conveying roller pair 24.
- the conveyance path of the sheet S is curved in a curved surface (curved shape) more reliably between the conveyance roller pair 3 and the conveyance roller pair 4 and between the conveyance roller pair 23 and the conveyance roller pair 24. Can do.
- the transport roller pair 3 is disposed at a position corresponding to the curved surface portion 11b, and the transport roller pairs 23 and 24 are disposed at a position corresponding to the curved surface portion 29a.
- the conveyance roller pairs 3 and 23 disposed at positions corresponding to the curved surface portions 11b and 29a. And 24, the sheet S can be reliably conveyed.
- the drive rollers 3a, 4a, and 5a are both provided inward with respect to the transport direction of the paper S, and the driven rollers 3b, 4b, and 5b are both transported of the paper S. Provide outside with respect to the direction.
- the driving rollers 3a, 4a, and 5a are disposed on the inner side where the intermediate member 11 is provided. Since there is no need to provide a drive mechanism for driving 4a and 5a, it is possible to prevent the inkjet multifunction peripheral 1000 from becoming large.
- the drive rollers 23a, 24a, and 25a are all provided inside the conveyance direction of the paper S, and the driven rollers 23b, 24b, and 25b are both conveyed of the paper S. Provide outside with respect to the direction.
- the driving rollers 23a, 24a, and 25a are disposed on the inner side where the intermediate member 29 is provided, so that the driving rollers 23a, 24a, and 25a and the driving roller 23a are disposed on the outer side in the conveyance direction of the sheet S.
- 24a and 25a need not be provided with a drive mechanism or the like, and the increase in size of the inkjet multifunction peripheral 1000 can be suppressed.
- the printer unit and the scanner unit included in the inkjet multifunction peripheral are shown as an example of the paper conveyance device of the present invention, but the present invention is not limited to this.
- the present invention can also be applied to a general paper conveying apparatus such as a scanner apparatus and a printer apparatus that operate independently without being included in a multifunction peripheral.
- the guide members 8 and 9 are arranged so as to cross the tangent line 11 of the conveyance roller pair 3 and the tangent line 12 of the conveyance roller pair 4 (see the thick dotted line in FIG. 2), while the guide portion 10 is disposed.
- the printer unit 100 is shown so as not to intersect the tangent line 13 (see the thick dotted line in FIG. 2) of the discharge roller pair 5, the present invention is not limited to this.
- all of the guide members 8, 9 and the guide portion 10 may be arranged so as to cross the tangents 11, 12, and 13 respectively.
- only the guide member 8 may be disposed so as to cross the tangent line 11, and the guide member 9 and the guide portion 10 may be disposed so as not to intersect the tangent lines 12 and 13, respectively.
- the guide members 26, 27 and 28 are respectively connected to the tangent line 16 of the transport roller pair 23, the tangent line 17 of the transport roller pair 24, and the tangent line 18 of the discharge roller pair 25 (thick dotted lines in FIG. 4).
- the scanner unit 200 is shown so as to cross the reference), the present invention is not limited to this. In the present invention, only the guide member 26 may be disposed so as to cross the tangent line l6, and the guide members 27 and 28 may be disposed so as not to intersect the tangent lines l7 and l8, respectively.
- the vicinity of the upstream end portion 9a of the guide member 9 is closer to the conveyance direction of the paper S than the vicinity of the downstream end portion 8a of the guide member 8 (see the one-dot chain line with arrows in FIG. 2).
- the printer unit 100 arranged on the outside is shown, the present invention is not limited to this.
- the vicinity of the downstream end portion 8 a of the guide member 8 and the vicinity of the upstream end portion 9 a of the guide member 9 may be arranged at the same position with respect to the transport direction of the paper S.
- the vicinity of the upstream end portion 27a of the guide member 27 is closer to the conveyance direction of the paper S than the vicinity of the downstream end portion 26a of the guide member 26 (see the two-dot chain line with arrows in FIG. 4).
- the present invention is not limited to this.
- the vicinity of the downstream end portion 26 a of the guide member 26 and the vicinity of the upstream end portion 27 a of the guide member 27 may be arranged at the same position with respect to the transport direction of the paper S.
- the printer unit 100 is illustrated in which the vicinity of the downstream end portion 8a of the guide member 8 and the vicinity of the upstream end portion 9a of the guide member 9 are arranged so as not to overlap each other.
- the invention is not limited to this.
- the vicinity of the downstream end portion 8 a of the guide member 8 and the vicinity of the upstream end portion 9 a of the guide member 9 may be arranged to overlap each other.
- the scanner unit 200 in which the vicinity of the downstream end portion 26a of the guide member 26 and the vicinity of the upstream end portion 27a of the guide member 27 are arranged so as not to overlap each other is shown.
- the present invention is not limited to this.
- the vicinity of the end portion 26a on the downstream side of the guide member 26 and the vicinity of the end portion 27a on the upstream side of the guide member 27 may be arranged so as to overlap each other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
Description
3、23 搬送ローラ対(上流側ローラ対)
3a、4a、23a、24a 駆動ローラ
3b、4b、23b、24b 従動ローラ
4、24 搬送ローラ対(上流側ローラ対、下流側ローラ対)
5、25 排出ローラ対(下流側ローラ対)
5a 駆動ローラ(排出ローラ)
5b 従動ローラ
50b 円板部材
8、26 ガイド部材(上流側ガイド部材)
8b 傾斜面(第1傾斜面)
9、27 ガイド部材(上流側ガイド部材、下流側ガイド部材)
9b 傾斜面(第2傾斜面)
10 ガイド部(下流側ガイド部材)
11、29 中間部材
11b、29a 曲面部
21 読取部
28 ガイド部材(下流側ガイド部材)
100 プリンタ部(用紙搬送装置)
200 スキャナ部(用紙搬送装置)
S 用紙
Claims (20)
- 用紙(S)を挟持するように配置され、挟持した用紙を所定の搬送方向に搬送するための上流側ローラ対(3、23)および下流側ローラ対(4、24)と、
前記上流側ローラ対および前記下流側ローラ対の近傍において互いに離間するように配置され、前記用紙を前記搬送方向に沿ってガイドするための上流側ガイド部材(8、26)および下流側ガイド部材(9、27)とを備え、
前記搬送方向に沿って延びる前記上流側ローラ対の接線(l1、l6)を横切るように前記上流側ガイド部材が配置された構造と、前記搬送方向に沿って延びる前記下流側ローラ対の接線(l2、l8)を横切るように前記下流側ガイド部材が配置された構造との少なくとも一方を含むように、前記上流側ローラ対および前記下流側ローラ対に対する前記上流側ガイド部材および前記下流側ガイド部材の配置位置が設定されている、用紙搬送装置(100、200)。 - 前記搬送方向に沿って延びる前記上流側ローラ対の接線を横切るように前記上流側ガイド部材が配置されているとともに、前記搬送方向に沿って延びる前記下流側ローラ対の接線を横切るように前記下流側ガイド部材が配置されている、請求項1に記載の用紙搬送装置。
- 少なくとも前記搬送方向に沿って延びる前記上流側ローラ対の接線を横切るように前記上流側ガイド部材が配置された構造であり、少なくとも前記上流側ガイド部材が前記上流側ローラ対の近傍において前記搬送方向に交差する方向に延びるように配置されている、請求項1または2に記載の用紙搬送装置。
- 前記上流側ガイド部材は、前記上流側ローラ対に対して下流側で、かつ、前記搬送方向に対して外側に配置されているとともに、前記下流側ガイド部材は、前記下流側ローラ対に対して上流側で、かつ、前記搬送方向に対して外側に配置されており、
前記下流側ガイド部材の上流側の端部近傍は、前記上流側ガイド部材の下流側の端部近傍よりも前記搬送方向に対して外側に配置されている、請求項1または2に記載の用紙搬送装置。 - 前記上流側ガイド部材の下流側の端部近傍と、前記下流側ガイド部材の上流側の端部近傍とは、互いにオーバーラップしないように離間して配置されている、請求項4に記載の用紙搬送装置。
- 前記上流側ガイド部材の下流側の端部近傍と、前記下流側ガイド部材の上流側の端部近傍とは、互いにオーバーラップしないように、互いに近傍の位置で離間して配置されている、請求項5に記載の用紙搬送装置。
- 前記上流側ガイド部材の下流側の端部近傍の前記下流側ガイド部材側の表面には、前記下流側ガイド部材の上流側の端部近傍から離れるように傾斜する第1傾斜面(8b)が形成されているとともに、
前記下流側ガイド部材の上流側の端部近傍の前記上流側ガイド部材側の表面には、前記上流側ガイド部材の下流側の端部近傍から離れるように傾斜する第2傾斜面(9b)が形成されている、請求項4に記載の用紙搬送装置。 - 前記上流側ガイド部材(26)は、前記上流側ローラ対に対して上流側と下流側との両方にまたがるように配置されている、請求項4に記載の用紙搬送装置。
- 前記上流側ガイド部材は、少なくとも前記上流側ローラ対に対して下流側が前記搬送方向に沿って延びる前記上流側ローラ対の接線を横切るように配置されている、請求項8に記載の用紙搬送装置。
- 前記下流側ガイド部材(27)は、前記下流側ローラ対に対して上流側と下流側との両方にまたがるように配置されている、請求項4に記載の用紙搬送装置。
- 前記下流側ガイド部材は、少なくとも前記下流側ローラ対に対して上流側が前記搬送方向に沿って延びる前記下流側ローラ対の接線を横切るように配置されている、請求項10に記載の用紙搬送装置。
- 前記上流側ガイド部材の下流側の端部近傍は、前記搬送方向の下流側に向かって先細るように形成されている、請求項1または2に記載の用紙搬送装置。
- 前記用紙に画像を印刷するための印刷部(1)をさらに備え、
前記下流側ローラ対は、前記用紙の前記画像が印刷された側とは反対側の面に接触するように配置され、前記用紙を排出する方向に回転可能な排出ローラ(5a)と、前記用紙の前記画像が印刷された側の面に接触するように配置され、前記排出ローラに伴って回転する従動ローラ(5b)とを含み、
前記従動ローラは、前記用紙に対して直交するように配置され、凹凸形状の外周部を有する薄肉状の円板部材(50b)を含むように構成されている、請求項1または2に記載の用紙搬送装置。 - 前記用紙に画像を印刷するための印刷部をさらに備え、
前記下流側ローラ対は、前記用紙の前記画像が印刷された側とは反対側の面に接触するように配置され、前記用紙を排出する方向に回転可能な排出ローラと、前記用紙の前記画像が印刷された側の面に接触するように配置され、前記排出ローラに伴って回転する従動ローラとを含み、
前記排出ローラおよび前記従動ローラの近傍に配置される前記下流側ガイド部材(10)は、前記排出ローラおよび前記従動ローラの上流側で、かつ、前記印刷部が配置された側とは反対側に配置されている、請求項1または2に記載の用紙搬送装置。 - 前記搬送方向に対して内側に配置され、前記搬送方向に沿って曲面状に湾曲した曲面部(11b)を含む中間部材(11)をさらに備え、
前記用紙は、前記中間部材の曲面部に沿うように搬送されるように構成されており、
前記中間部材には、前記排出ローラおよび前記従動ローラの近傍に配置される前記下流側ガイド部材(10)が一体的に形成されている、請求項14に記載の用紙搬送装置。 - 前記用紙に対して画像読み取り処理を行うための読取部(21)をさらに備え、
前記読取部の下流側に配置された前記下流側ガイド部材(28)は、前記読取部の下流側に配置された前記下流側ローラ対(25)の上流側で、かつ、前記読取部が配置された側とは反対側に配置されているとともに、前記搬送方向に沿って延びる前記下流側ローラ対の接線を横切るように配置されている、請求項1または2に記載の用紙搬送装置。 - 前記搬送方向に対して内側に配置され、前記搬送方向に沿って曲面状に湾曲した曲面部(11b、29a)を含む中間部材(11、29)をさらに備え、
前記用紙は、前記中間部材の曲面部に沿うように搬送されるように構成されており、
前記上流側ガイド部材および前記下流側ガイド部材は、前記搬送方向に対して外側に配置されている、請求項1または2に記載の用紙搬送装置。 - 前記曲面部は、前記搬送方向の前記上流側ローラ対(23)と前記下流側ローラ対(24)の間に少なくとも設けられている、請求項17に記載の用紙搬送装置。
- 前記上流側ローラ対および前記下流側ローラ対のうち少なくともいずれか一方(3)は、前記曲面部に対応する位置に配置されている、請求項17に記載の用紙搬送装置。
- 前記上流側ローラ対および前記下流側ローラ対は、共に、前記用紙を搬送する方向に回転可能な駆動ローラ(3a、4a、23a、24a)と、前記駆動ローラに伴って回転する従動ローラ(3b、4b、23b、24b)とを含み、
前記上流側ローラ対の前記駆動ローラおよび前記下流側ローラ対の前記駆動ローラは、共に前記搬送方向に対して内側に配置されており、前記上流側ローラ対の前記従動ローラおよび前記下流側ローラ対の前記従動ローラは、共に、前記搬送方向に対して外側に配置されている、請求項17に記載の用紙搬送装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112015024950A BR112015024950A2 (pt) | 2013-04-01 | 2014-03-14 | dispositivo de transporte de folha de papel |
CN201480020139.0A CN105121319A (zh) | 2013-04-01 | 2014-03-14 | 纸张搬运装置 |
EP14779369.9A EP2982630A1 (en) | 2013-04-01 | 2014-03-14 | Paper sheet conveyance device |
US14/871,334 US20160016742A1 (en) | 2013-04-01 | 2015-09-30 | Paper Sheet Conveyance Device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-076180 | 2013-04-01 | ||
JP2013076180A JP2014201369A (ja) | 2013-04-01 | 2013-04-01 | 用紙搬送装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/871,334 Continuation US20160016742A1 (en) | 2013-04-01 | 2015-09-30 | Paper Sheet Conveyance Device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014162850A1 true WO2014162850A1 (ja) | 2014-10-09 |
Family
ID=51658151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/056957 WO2014162850A1 (ja) | 2013-04-01 | 2014-03-14 | 用紙搬送装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160016742A1 (ja) |
EP (1) | EP2982630A1 (ja) |
JP (1) | JP2014201369A (ja) |
CN (1) | CN105121319A (ja) |
BR (1) | BR112015024950A2 (ja) |
WO (1) | WO2014162850A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH069101A (ja) * | 1992-06-25 | 1994-01-18 | Canon Inc | シート搬送ガイド |
JP2001233490A (ja) * | 2000-02-24 | 2001-08-28 | Murata Mach Ltd | 自動シート搬送装置 |
JP3453508B2 (ja) | 1998-02-20 | 2003-10-06 | キヤノン株式会社 | シート材搬送装置及び画像形成装置 |
JP2003337452A (ja) * | 2002-05-21 | 2003-11-28 | Funai Electric Co Ltd | レーザープリンタ |
JP2008056458A (ja) * | 2006-09-01 | 2008-03-13 | Funai Electric Co Ltd | インクジェットプリンタの排紙機構 |
JP2010006508A (ja) * | 2008-06-25 | 2010-01-14 | Brother Ind Ltd | 原稿搬送装置 |
JP2012001316A (ja) * | 2010-06-17 | 2012-01-05 | Brother Industries Ltd | 画像記録装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7212321B2 (en) * | 2000-06-13 | 2007-05-01 | Nisca Corporation | Simple and compact automatic document feed device containing a single adjusting unit |
JP3971993B2 (ja) * | 2001-12-28 | 2007-09-05 | 富士フイルム株式会社 | シート体用搬送装置および放射線画像読取装置 |
JP2008024445A (ja) * | 2006-07-21 | 2008-02-07 | Konica Minolta Business Technologies Inc | 画像形成システム、中継搬送装置及び画像形成システムの設置方法 |
US8544840B2 (en) * | 2007-04-30 | 2013-10-01 | Hewlett-Packard Development Company, L.P. | Automatic document feeder |
JP4835737B2 (ja) * | 2009-08-31 | 2011-12-14 | ブラザー工業株式会社 | シート給送装置及びそれを用いた画像読取装置。 |
JP5510636B2 (ja) * | 2009-10-20 | 2014-06-04 | セイコーエプソン株式会社 | 被搬送材搬送装置及び画像処理装置 |
US8210515B2 (en) * | 2009-11-12 | 2012-07-03 | Nisca Corporation | Document transport apparatus |
JP5504889B2 (ja) * | 2009-12-29 | 2014-05-28 | ブラザー工業株式会社 | 画像記録装置 |
JP2011156736A (ja) * | 2010-01-29 | 2011-08-18 | Brother Industries Ltd | 画像記録装置 |
JP5562182B2 (ja) * | 2010-09-06 | 2014-07-30 | キヤノン株式会社 | 画像記録装置及びその制御方法 |
JP2012180176A (ja) * | 2011-03-01 | 2012-09-20 | Seiko Epson Corp | 媒体搬送装置、スキャナ装置、記録装置 |
US8613440B2 (en) * | 2011-07-11 | 2013-12-24 | Hewlett-Packard Development Company, L.P. | Automatic document feeder |
JP6050635B2 (ja) * | 2012-08-27 | 2016-12-21 | ゼロックス コーポレイションXerox Corporation | 原稿読取装置 |
JP6372223B2 (ja) * | 2014-07-28 | 2018-08-15 | 富士ゼロックス株式会社 | 記録シートの搬送装置及び画像読取装置 |
-
2013
- 2013-04-01 JP JP2013076180A patent/JP2014201369A/ja active Pending
-
2014
- 2014-03-14 CN CN201480020139.0A patent/CN105121319A/zh active Pending
- 2014-03-14 EP EP14779369.9A patent/EP2982630A1/en not_active Withdrawn
- 2014-03-14 WO PCT/JP2014/056957 patent/WO2014162850A1/ja active Application Filing
- 2014-03-14 BR BR112015024950A patent/BR112015024950A2/pt not_active IP Right Cessation
-
2015
- 2015-09-30 US US14/871,334 patent/US20160016742A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH069101A (ja) * | 1992-06-25 | 1994-01-18 | Canon Inc | シート搬送ガイド |
JP3453508B2 (ja) | 1998-02-20 | 2003-10-06 | キヤノン株式会社 | シート材搬送装置及び画像形成装置 |
JP2001233490A (ja) * | 2000-02-24 | 2001-08-28 | Murata Mach Ltd | 自動シート搬送装置 |
JP2003337452A (ja) * | 2002-05-21 | 2003-11-28 | Funai Electric Co Ltd | レーザープリンタ |
JP2008056458A (ja) * | 2006-09-01 | 2008-03-13 | Funai Electric Co Ltd | インクジェットプリンタの排紙機構 |
JP2010006508A (ja) * | 2008-06-25 | 2010-01-14 | Brother Ind Ltd | 原稿搬送装置 |
JP2012001316A (ja) * | 2010-06-17 | 2012-01-05 | Brother Industries Ltd | 画像記録装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2014201369A (ja) | 2014-10-27 |
EP2982630A1 (en) | 2016-02-10 |
CN105121319A (zh) | 2015-12-02 |
BR112015024950A2 (pt) | 2017-07-18 |
US20160016742A1 (en) | 2016-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5814166B2 (ja) | 媒体供給装置 | |
JP6057528B2 (ja) | シート搬送装置、画像読取装置、画像形成装置、及び、ガイドの製造方法 | |
CN104444477B (zh) | 一种纸罐机中纸张的输送装置 | |
US10647133B2 (en) | Medium transporting device and recording apparatus | |
JP6265386B2 (ja) | 十字型デュプレクサを有するプリンタ | |
WO2014162850A1 (ja) | 用紙搬送装置 | |
JP2016108064A (ja) | 印刷装置 | |
CN105813961B (zh) | 片材输送装置和图像形成装置 | |
US10023410B2 (en) | Sheet conveying apparatus | |
JP2014172749A (ja) | 用紙搬送装置 | |
JP6350788B2 (ja) | 媒体搬送装置及び記録装置 | |
JP2019171636A (ja) | 媒体搬送装置 | |
JP2018203533A (ja) | 記録装置 | |
JP2007161348A (ja) | 印刷装置の用紙搬送機構 | |
JP5308924B2 (ja) | 用紙搬送機構 | |
JPH0624830Y2 (ja) | 画像形成装置の原稿搬送シート | |
JP6341161B2 (ja) | 画像形成装置 | |
JP2022149571A (ja) | 搬送機構 | |
JP5868362B2 (ja) | 媒体載置装置及び画像形成装置 | |
JP2019043694A (ja) | 媒体給送装置、画像読取装置、記録装置 | |
JP2012210987A (ja) | 用紙搬送装置 | |
JP5896383B2 (ja) | 紙幣搬送装置 | |
JP5935564B2 (ja) | 搬送装置、画像形成装置 | |
JP2013049148A (ja) | 記録装置 | |
JP2001310837A (ja) | シート給送装置及びこのシート給送装置を用いた画像記録装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14779369 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2014779369 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014779369 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112015024950 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112015024950 Country of ref document: BR Kind code of ref document: A2 Effective date: 20150929 |