CN113844193A - Page turning mechanism and document forward and backward page turning mechanism - Google Patents
Page turning mechanism and document forward and backward page turning mechanism Download PDFInfo
- Publication number
- CN113844193A CN113844193A CN202111169331.4A CN202111169331A CN113844193A CN 113844193 A CN113844193 A CN 113844193A CN 202111169331 A CN202111169331 A CN 202111169331A CN 113844193 A CN113844193 A CN 113844193A
- Authority
- CN
- China
- Prior art keywords
- page turning
- document
- conveying
- separation
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
- B42D9/04—Leaf turners
Landscapes
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
The invention discloses a document page turning mechanism and a document forward and backward page turning mechanism, which comprise a channel switching component, a carrying channel, a carrying component and a separating component; the conveying assembly is suitable for conveying documents in the conveying channel and conveying the documents from at least a first position to a switching position and a second position; the lane switching assembly is adapted to be actuated to have at least a separating position and a carrying position: the path switching assembly is adapted to be actuated to a separating position to cause an end of the document in the carrying path to be directed to the separating assembly when the document is conveyed from the first position to the switching position, after which the separating assembly is adapted to be actuated to extract separated pages of the document from the document to be separated from other pages of the document. The automatic page turning device can realize page turning one by one, can avoid the problems of page turning failure, multiple page turning, missing page turning and the like, realizes efficient and stable automatic page turning of multiple pages, and is particularly suitable for automatic page turning of multiple pages of documents and certificates.
Description
Technical Field
The invention relates to a document page turning mechanism and a document forward and backward page turning mechanism.
Background
At present, under the scenes of printing, scanning and the like of preprinted documents, certificates and the like, the action of page turning of multiple pages is complex, the influence factors are multiple, no suitable device is available at present for realizing stable and efficient automatic page turning, so that the scene operation is mostly finished manually, and the automation realization difficulty is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a document page turning mechanism which can realize page turning one by one, can avoid the problems of page turning failure, multiple page turning, page missing and the like, realizes efficient and stable automatic page turning of multiple pages and is particularly suitable for automatic page turning of multiple pages of documents and certificates.
In order to solve the technical problems, the technical scheme of the invention is as follows: a document page turning mechanism comprises a channel switching component, a conveying channel, a conveying component and a separating component; wherein the content of the first and second substances,
the carrying assembly is suitable for conveying documents in the carrying channel and conveying the documents from at least a first position to a switching position and a second position;
the lane switching assembly is adapted to be actuated to have at least a separating position and a carrying position:
the path switching assembly is adapted to be actuated to a separating position when the document is conveyed from the first position to the switching position so that an end of the document in the carrying path is guided to the separating assembly, after which the separating assembly is adapted to be actuated to extract separated pages of the document from the document to separate from other pages of the document;
when the separated pages are extracted from the document by the separating assembly, the channel switching assembly is operated to the conveying position, then the conveying assembly conveys the document from the switching position to the second position, in the conveying process, the separated pages are turned over under the clamping of the separating assembly, and the turned separated pages are dragged to the document from the separating assembly under the driving of the conveying assembly.
Further, there is provided a concrete structure of a passage switching assembly including a swing plate hinged on a certain fixing member, the swing plate being adapted to be driven to swing so as to have a separating position and a carrying position.
Further, a specific structure of the conveying assembly is provided, the conveying assembly comprises at least one conveying roller group, the conveying roller group comprises a pair of conveying rollers which are arranged oppositely up and down and are suitable for being driven to rotate, and an area formed between the pair of conveying rollers forms a part of the conveying channel.
Further, a specific structure of a separation assembly is provided, wherein the separation assembly comprises an extraction roller and a separation roller group; wherein the content of the first and second substances,
the separation roller group comprises a pickup roller and a separation roller which are oppositely arranged and form a separation channel therebetween, and the separation roller is provided with a torque limiter;
the pick-up roller is adapted to press the end of the document when the passage switching assembly is actuated to the separation position, and is adapted to be driven to rotate to convey the end separated sheet or the separated sheets together with at least one sheet therebelow to the separation passage;
the pickup roller is suitable for being driven to rotate in the same direction as the extraction roller;
the separation roller is suitable for being driven to rotate in the same direction as the extraction roller when no paper sheet exists in the separation channel;
the separation roller group is adapted to separate a separation sheet from a sheet conveyed into the separation path.
Further, in order to realize the extraction and separation of the paper pages, the friction coefficients between the extraction roller, the pickup roller and the separation roller and the paper pages are all mu 1;
the coefficient of friction between the paper sheets is μ 2;
the friction coefficient between the document and the channel switching assembly is mu 3; wherein the content of the first and second substances,
μ1＞μ3＞μ2。
further, the pressure welding force provided by the separation roller and the pickup roller to the paper pages in the separation channel is F; the limiting torque provided by the torque limiter on the separating roller is T0, and the radius of the separating roller is r; wherein the content of the first and second substances,
Fμ1＞T0/r＞Fμ2。
further, the carrying assembly comprises two carrying roller sets, namely a first carrying roller set and a tail carrying roller set, and the separating assembly is arranged above an area between the first carrying roller set and the tail carrying roller set.
The invention also provides a document forward and backward page turning mechanism, which comprises a forward document page turning mechanism and a backward document page turning mechanism; wherein the content of the first and second substances,
the forward document page turning mechanism and the reverse document page turning mechanism both use document page turning mechanisms;
the conveying assemblies in the forward document page turning mechanism and the reverse document page turning mechanism comprise two conveying roller sets, namely a first conveying roller set and a tail conveying roller set respectively, and the corresponding separating assemblies are arranged above the areas between the corresponding first conveying roller set and the corresponding tail conveying roller set;
the forward document page turning mechanism is arranged in one direction, and the reverse document page turning mechanism is arranged in the opposite direction.
Further, the first carrying roller group of the forward document page turning mechanism and the reverse document page turning mechanism shares one.
After the technical scheme is adopted, the text in the conveying channel is guided to the separating assembly through the channel switching assembly, the separating page is extracted and separated from the text through the separating assembly and then is switched to the original conveying direction through the channel switching assembly, in the conveying process, the separating page is turned over under the clamping of the separating assembly, and the turned separating page is dragged to the document from the separating assembly under the driving of the conveying assembly so as to complete the page turning action; in addition, if the next page needs to be turned, the turned document is only required to be reversely conveyed to the original position through the carrying assembly, and the page turning of the second page is continued through the steps; secondly, the invention also arranges two sets of text page turning mechanisms which are respectively a forward text page turning mechanism and a reverse text page turning mechanism, and uses the first conveying roller together, and arranges the two sets of conveying rollers symmetrically by taking the searching and conveying roller as the symmetry, thus realizing free page turning of the forward pages of the texts through the forward text page turning mechanism and free page turning of the reverse pages of the texts through the reverse text page turning mechanism.
Drawings
FIG. 1 is a first schematic view of the page turning process of the page turning mechanism for documents according to the present invention;
FIG. 2 is a second schematic view of the page turning mechanism of the present invention;
FIG. 3 is a third schematic view of the page turning process of the page turning mechanism of the document of the present invention;
FIG. 4 is a fourth schematic view of the page turning mechanism of the present invention;
FIG. 5 is a fifth schematic view of the page turning mechanism of the present invention;
FIG. 6 is a schematic structural view of a separator assembly of the present invention;
FIG. 7 is a first schematic view of the separation assembly of the present invention;
FIG. 8 is a second schematic view of the rotation of the separator assembly of the present invention;
FIG. 9 is a schematic structural view of the document forward and backward page turning mechanism of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 8, a document page turning mechanism comprises a channel switching assembly 1, a conveying channel, a conveying assembly and a separating assembly 3; wherein the content of the first and second substances,
the carrying assembly is adapted to convey documents 10 in the carrying passage from at least a first position to a switching position and a second position;
the lane switching assembly 1 is adapted to be actuated to have at least a separating position and a carrying position:
when the document 10 is conveyed from the first position to the switching position, the passage switching member 1 is adapted to be actuated to the separating position so that the end of the document 10 in the carrying passage is guided to the separating member 3, after which the separating member 3 is adapted to be actuated to extract the separated sheet 10a of the document 10 from the document 10 to be separated from the other sheets of the document 10;
when the separated sheet 10a is extracted from the document 10 by the separating assembly 3, the channel switching assembly 1 is operated to the conveying position, then the conveying assembly conveys the document 10 from the switching position to the second position, in the conveying process, the separated sheet 10a is turned over under the clamping of the separating assembly 3, and the turned separated sheet 10a is dragged from the separating assembly 3 to the document 10 under the driving of the conveying assembly.
As shown in FIGS. 1-5, the channel switching assembly 1 includes, but is not limited to, the following structures: the aisle switch module 1 includes a swing plate 11 hinged on a certain fixed member, and the swing plate 11 is adapted to be driven to swing so as to have a separation position and a carrying position.
In this embodiment, the swing of the swing plate 11 can be driven by a motor through a transmission pair, or can be driven by a link mechanism, or of course, can be in other structural forms;
specifically, as shown in fig. 1 to 5, the conveying unit includes at least one conveying roller group including a pair of conveying rollers 21 disposed opposite to each other in the vertical direction and adapted to be driven to rotate, and a region formed between the pair of conveying rollers 21 constitutes a part of the conveying path.
The pair of conveying rollers 21 can be driven by a motor through a transmission pair, which is a mechanism well known to those skilled in the art, and the description thereof is omitted here for brevity.
In the present embodiment, as shown in fig. 6, the separation assembly 3 includes, but is not limited to, the following structure, the separation assembly 3 includes an extraction roller 31 and a separation roller group; wherein the content of the first and second substances,
the separation roller group comprises a pickup roller 32 and a separation roller 33 which are oppositely arranged and form a separation channel therebetween, and a torsion limiter is arranged on the separation roller 33;
the pick-up roller 31 is adapted to press the end of the document 10 when the passage switching assembly 1 is actuated to the separation position, and is adapted to be driven to rotate to convey the end separated sheet 10a or the separated sheet 10a together with at least one sheet thereunder to the separation passage;
the pickup roller 32 is adapted to be driven to rotate in the same direction as the pickup roller 31;
the separation roller 33 is adapted to be driven to rotate in the same direction as the extraction roller 31 when there is no sheet in the separation path;
the separation roller group is adapted to separate the separation sheet 10a from the sheet conveyed into the separation path.
Specifically, the friction coefficients between the extracting roller 31, the pickup roller 32, and the separating roller 33 and the paper sheet are all μ 1;
the coefficient of friction between the paper sheets is μ 2;
the coefficient of friction between the document 10 and the channel switching assembly 1 is μ 3; wherein mu 1 & gt mu 3 & gt mu 2.
In the present embodiment, the swing plate 11 provides the document 10 with a crimping force N; the extraction force N mu 1 > N mu 3 > N mu 2 of the extraction roller 31, and the relationship can ensure that the sheet to be separated or the sheet together with the lower layer can be smoothly conveyed to the separation channel under the action of the extraction roller 31.
More specifically, the pressure contact force between the separation roller 33 and the pickup roller 32 to the sheet in the separation passage is F;
the limit torque provided by the torque limiter on the separation roller 33 is T0, when the external force is greater than T0, the separation roller 33 rotates to follow the external force, and the radius of the separation roller 33 is r; wherein the content of the first and second substances,
Fμ1＞T0/r＞Fμ2。
there are the following cases where the sheet enters the separation path:
1. only the separated sheet 10a enters the separation path between the pickup roller 32 and the separation roller 33, and since F μ 1 > T0/r, even if the separation roller 33 is driven counterclockwise, the pickup roller 32 applies a larger conveyance force to the sheet than the resistance of the torque limiter, and the separation roller 33 turns to follow the pickup roller 32 to rotate clockwise, and conveys the separated sheet to the right, as shown in fig. 7.
2. When the separated sheet 10a enters the separation passage between the pickup roller 32 and the separation roller 33 together with the lower sheets, the force relationship is F μ 1 > T0/r > F μ 2, and the friction force between the sheets is smaller than the resistance provided by the torque limiter, so the separation roller 33 keeps rotating in the original direction (counterclockwise), and the separation roller 33 will convey the lower sheet of the separated sheet 10a in the reverse direction as shown in FIG. 8 until the last sheet (separated sheet 10a), and the separated sheet 10a is conveyed to the right according to the first condition, and the separated sheet 10a is separated.
In the present embodiment, as shown in fig. 1 to 6, the conveying means includes two conveying roller sets, a leading conveying roller set 22 and a trailing conveying roller set 23, and the separating means 3 is provided above the region between the leading conveying roller set 22 and the trailing conveying roller set 23.
In this embodiment, the rotation of the pick-up roller, the pickup roller 32 and the separation roller 33 can be directly or indirectly driven by a motor and a transmission pair, and the driving and rotating manner of the rollers is well known to those skilled in the art, and therefore, the detailed description thereof is omitted.
As shown in fig. 1 to 5, the whole working process of the document page turning mechanism of the embodiment is as follows:
transporting the document 10 to the switching position by the transporting means;
the swing plate 11 as a lower rail lifts up the end of the document and is pressed against the pick-up roller 31 of the separation unit 3;
the separation component 3 separates the separation page 10a from the remaining pages;
after the separation page 10a is separated, the swing plate 11 falls down, except that the separation page 10a is clamped and held by the separation assembly, other pages fall back to the conveying channel, the conveying assembly continues to convey the document 10 to the right, and the subsequent page turning action is completed.
Example two
As shown in FIG. 7, a document page turning mechanism includes a forward document page turning mechanism and a reverse document page turning mechanism; wherein the content of the first and second substances,
the forward document page turning mechanism and the reverse document page turning mechanism both use the document page turning mechanism in the first embodiment;
the conveying components in the forward document page turning mechanism and the reverse document page turning mechanism comprise two conveying roller sets, namely a first conveying roller set 22 and a tail conveying roller set 23, and the corresponding separating component 3 is arranged above a region between the corresponding first conveying roller set 22 and the corresponding tail conveying roller set 23;
the forward document page turning mechanism is arranged in one direction, and the reverse document page turning mechanism is arranged in the opposite direction;
the first carrier roller group 22 of the forward and reverse document leafing mechanisms shares one.
Specifically, in the present embodiment, the forward direction document page turning mechanism and the reverse direction document page turning mechanism are symmetrically provided with the first carrier roller group 22 as symmetry.
Therefore, the free page turning of the front page of the text can be realized through the forward text page turning mechanism, and the free page turning of the back page of the text can be realized through the reverse text page turning mechanism.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A document page turning mechanism is characterized by comprising a channel switching component (1), a conveying channel, a conveying component and a separating component (3); wherein the content of the first and second substances,
the carrying assembly is suitable for conveying documents (10) in the carrying channel and at least from a first position to a switching position and a second position;
the channel switching assembly (1) is adapted to be actuated to have at least a separating position and a handling position:
-when the document (10) is conveyed from the first position to the switching position, the channel switching assembly (1) is adapted to be actuated to a separating position such that the end of the document (10) in the carrying channel is directed to a separating assembly (3), after which the separating assembly (3) is adapted to be actuated to extract a separated sheet (10a) of the document (10) from the document (10) to be separated from other sheets of the document (10);
when the separation page (10a) is extracted from the document (10) by the separation assembly (3), the channel switching assembly (1) is operated to a conveying position, then the conveying assembly conveys the document (10) from the switching position to a second position, in the conveying process, the separation page (10a) is turned over under the clamping of the separation assembly (3), and the turned separation page (10a) is dragged from the separation assembly (3) to the document (10) under the driving of the conveying assembly.
2. The page turning mechanism of claim 1,
the channel switching assembly (1) comprises a swinging plate (11) hinged on a certain fixed part, and the swinging plate (11) is suitable for being driven to swing so as to have a separation position and a carrying position.
3. The page turning mechanism of claim 1,
the conveying assembly comprises at least one conveying roller group, the conveying roller group comprises a pair of conveying rollers (21) which are arranged oppositely up and down and are suitable for being driven to rotate, and an area formed between the pair of conveying rollers (21) forms a part of a conveying channel.
4. The mechanism for turning pages of documents according to claim 1, characterized in that said separation assembly (3) comprises an extraction roller (31) and a set of separation rollers; wherein the content of the first and second substances,
the separation roller group comprises a pickup roller (32) and a separation roller (33) which are oppositely arranged and form a separation channel therebetween, and a torsion limiter is arranged on the separation roller (33);
the pick-up roller (31) is adapted to press the end of the document (10) when the passage switching assembly (1) is actuated to the separation position, and is adapted to be driven in rotation to convey the end separated sheet (10a) or the separated sheet (10a) together with at least one sheet underlying it to the separation passage;
the pickup roller (32) is suitable for being driven to rotate in the same direction as the extraction roller (31);
the separation roller (33) is suitable for being driven to rotate in the same direction as the extraction roller (31) when no paper sheet exists in the separation channel;
the separation roller group is suitable for separating a separation sheet (10a) from a sheet conveyed into the separation channel.
5. The page turning mechanism of claim 4,
the friction coefficients between the extraction roller (31), the pickup roller (32) and the separation roller (33) and the paper pages are all mu 1;
the coefficient of friction between the paper sheets is μ 2;
the coefficient of friction between the document (10) and the channel switching assembly (1) is μ 3; wherein the content of the first and second substances,
μ1＞μ3＞μ2。
6. the page turning mechanism of claim 5,
the pressure welding force provided by the separation roller (33) and the pickup roller (32) to the paper pages in the separation channel is F;
the limiting torque provided by the torque limiter on the separating roller (33) is T0, and the radius of the separating roller (33) is r; wherein the content of the first and second substances,
Fμ1＞T0/r＞Fμ2。
7. the page turning mechanism of claim 3,
the conveying assembly comprises two conveying roller sets, namely a first conveying roller set (22) and a tail conveying roller set (23), and the separating assembly (3) is arranged above an area between the first conveying roller set (22) and the tail conveying roller set (23).
8. A positive and negative page turning mechanism for documents is characterized by comprising a positive page turning mechanism and a negative page turning mechanism; wherein the content of the first and second substances,
said forward and reverse document leafing mechanisms each using the document leafing mechanism of any one of claims 1 to 6;
the conveying components in the forward document page turning mechanism and the reverse document page turning mechanism comprise two conveying roller sets, namely a first conveying roller set (22) and a tail conveying roller set (23), and the corresponding separating component (3) is arranged above a region between the corresponding first conveying roller set (22) and the corresponding tail conveying roller set (23);
the forward document page turning mechanism is arranged in one direction, and the reverse document page turning mechanism is arranged in the opposite direction.
9. The document forward and reverse page turning mechanism of claim 8,
the first carrying roller group (22) of the forward document page turning mechanism and the reverse document page turning mechanism shares one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169331.4A CN113844193B (en) | 2021-10-08 | 2021-10-08 | Page turning mechanism and document forward and backward page turning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111169331.4A CN113844193B (en) | 2021-10-08 | 2021-10-08 | Page turning mechanism and document forward and backward page turning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113844193A true CN113844193A (en) | 2021-12-28 |
| CN113844193B CN113844193B (en) | 2022-05-20 |
Family
ID=78977718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111169331.4A Active CN113844193B (en) | 2021-10-08 | 2021-10-08 | Page turning mechanism and document forward and backward page turning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113844193B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228358A (en) * | 2022-01-14 | 2022-03-25 | 江苏万佳科技开发股份有限公司 | Automatic page turning device and stamping machine equipment comprising same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700497A (en) * | 1985-12-20 | 1987-10-20 | Ncr Corporation | Automatic document page turning apparatus |
| JPH06135180A (en) * | 1992-10-27 | 1994-05-17 | Juki Corp | Apparatus for detection of inferiority in turning over of passbook |
| CN1371811A (en) * | 2001-02-27 | 2002-10-02 | 株式会社日立制作所 | Paging device and method thereof |
| JP2004082515A (en) * | 2002-08-27 | 2004-03-18 | Toshiba Tec Corp | Page turning apparatus and booklet printer |
| CN1886269A (en) * | 2003-12-26 | 2006-12-27 | 富士通先端科技株式会社 | Passbook page turn over operation control method and device |
| CN102054309A (en) * | 2009-11-10 | 2011-05-11 | 日立欧姆龙金融系统有限公司 | Deposit book collecting device and cash banding machine |
| JP2012221232A (en) * | 2011-04-08 | 2012-11-12 | Toshiba Corp | Booklet processing apparatus |
| CN204172499U (en) * | 2013-10-01 | 2015-02-25 | 东芝泰格有限公司 | Printing device |
-
2021
- 2021-10-08 CN CN202111169331.4A patent/CN113844193B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700497A (en) * | 1985-12-20 | 1987-10-20 | Ncr Corporation | Automatic document page turning apparatus |
| JPH06135180A (en) * | 1992-10-27 | 1994-05-17 | Juki Corp | Apparatus for detection of inferiority in turning over of passbook |
| CN1371811A (en) * | 2001-02-27 | 2002-10-02 | 株式会社日立制作所 | Paging device and method thereof |
| JP2004082515A (en) * | 2002-08-27 | 2004-03-18 | Toshiba Tec Corp | Page turning apparatus and booklet printer |
| CN1886269A (en) * | 2003-12-26 | 2006-12-27 | 富士通先端科技株式会社 | Passbook page turn over operation control method and device |
| CN102054309A (en) * | 2009-11-10 | 2011-05-11 | 日立欧姆龙金融系统有限公司 | Deposit book collecting device and cash banding machine |
| JP2012221232A (en) * | 2011-04-08 | 2012-11-12 | Toshiba Corp | Booklet processing apparatus |
| CN204172499U (en) * | 2013-10-01 | 2015-02-25 | 东芝泰格有限公司 | Printing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228358A (en) * | 2022-01-14 | 2022-03-25 | 江苏万佳科技开发股份有限公司 | Automatic page turning device and stamping machine equipment comprising same |
| CN114228358B (en) * | 2022-01-14 | 2024-04-26 | 江苏万佳科技开发股份有限公司 | Automatic page turning device and stamping machine equipment comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113844193B (en) | 2022-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100528716C (en) | Sheet feeding apparatus and image forming apparatus | |
| CN113844193B (en) | Page turning mechanism and document forward and backward page turning mechanism | |
| US20210084186A1 (en) | Image reading apparatus | |
| US4705265A (en) | Automatic sheet feeding apparatus | |
| US7302222B2 (en) | Automatic document feeder (ADF) with a releasing device | |
| JP4497214B2 (en) | Document feeder | |
| CN102167236A (en) | Sheet feeding apparatus, document reading apparatus and method for feeding sheet | |
| JP2009001395A (en) | Sheet stacking device and sheet processing device | |
| JP4417278B2 (en) | Document feeder | |
| JP2000072267A (en) | Paper feeding device | |
| JPH0125000Y2 (en) | ||
| TW536517B (en) | An automatic paper feeder | |
| JP2001071664A (en) | Device and method for turning page of booklet-like medium | |
| JPH09328233A (en) | Paper conveying device | |
| JP4139248B2 (en) | Separation conveyance type document reading device with manual feed function | |
| JPS61140436A (en) | Document feed mechanism | |
| JPH012943A (en) | Paper sheet separation device | |
| WO2024019750A1 (en) | Shutter structure for sheet feeding apparatus | |
| CN1307057C (en) | Recording medium feeding system and method | |
| JPH0248974A (en) | Automatic paper-feeding mechanism | |
| JPH02295832A (en) | Automatic paper sheet feeding device | |
| JPH0513591Y2 (en) | ||
| JPH07187428A (en) | Reverse roller type separation device | |
| JPH0281693A (en) | Automatic turning over of page | |
| JPH021292Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |