CN101654197B - Printing device with paging structure - Google Patents
Printing device with paging structure Download PDFInfo
- Publication number
- CN101654197B CN101654197B CN2008102136513A CN200810213651A CN101654197B CN 101654197 B CN101654197 B CN 101654197B CN 2008102136513 A CN2008102136513 A CN 2008102136513A CN 200810213651 A CN200810213651 A CN 200810213651A CN 101654197 B CN101654197 B CN 101654197B
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- paging
- slit
- sheets
- load
- carrying unit
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Abstract
The present invention discloses a printing device with a paging structure, which comprises a base, a first motor, a loading element, a paper taking arm, a swing arm and a paging spring. When a swing end of the paper taking arm moves a paged element, the paged element is supported against the paging spring, and the paging spring can enable the paged element to generate a friction force. By the friction force, a plurality of paged elements are in a relative motion state to achieve the paging aim.
Description
Technical field
The invention relates to a kind of type printer, refer to a kind of type printer especially with paging structure with double side printing function with paging structure.
Background technology
For data is exported and backed up, type printer commonly used includes chopping machine, duplicator, reaches facsimile apparatus etc. in the daily life.Wherein, these type printers all have detouchable and hold paper disc making things convenient for putting into of paper, and utilize and hold the paper that paper disc takes up and carry out the output of data.
Generally speaking, hold and be installed in plurality of sheets of paper on the paper disc and open, print with paper without interruption.Yet, in the process of printing, when type printer get the paper element transmission topmost during a piece of paper, if the paper that is close to does not below separate with uppermost paper, might cause the situation of paperboard to take place, interrupt and cause to print.Therefore, must develop and a kind of type printer that can paper without interruption,, avoid the situation of paperboard to take place smoothly every paper is separated.
In addition, when holding that paper disc is installed on type printer or when type printer unloads, the collision that must avoid getting the paper element Yu hold paper disc.And to get the paper element and hold the situation that paper disc bumps in order to solve, must make and get the paper element and can change the position along with holding moving of paper disc.
For these reasons,, and reach the effect of saving space and duplex printing simultaneously, need badly and develop a kind of type printer with paging structure with double side printing function for the situation of avoiding paperboard takes place.
Summary of the invention
Main purpose of the present invention provides a kind of type printer with paging structure, avoiding the generation of paperboard situation in the print procedure, and can carry out duplex printing simultaneously.
For reaching above-mentioned purpose, the invention provides a kind of type printer with paging structure, it comprises: a pedestal, one first motor, a load-carrying unit, are got paper arm, a swing arm and a paging spring.Wherein, first motor is a side that is positioned at pedestal; Load-carrying unit has a slide rail, and can plant or pull out in pedestal, and load-carrying unit is in order to be installed in a plurality of elements that are slit into sheets; Get the paper arm and be fixedly arranged on the strut bar, and an end of strut bar is connected with first motor, and a swinging end of getting the paper arm is to be positioned at the top that is slit into sheets element and to be slit into sheets element in order to move; And a sliding end of swing arm contacts with the slide rail of load-carrying unit; And the paging spring is arranged on the side of load-carrying unit.When load-carrying unit was pulled out in pedestal, the sliding end of swing arm moved along the slide rail of load-carrying unit; And when load-carrying unit was inserted in pedestal, the end face that the swinging end and of getting the paper arm is slit into sheets element contacted, and first motor drives the swinging end of getting the paper arm and be slit into sheets element to move by strut bar, and separated a plurality of elements that are slit into sheets by the paging spring.
Type printer with paging structure of the present invention, when the swinging end of getting the paper arm moves when being slit into sheets element, in being slit into sheets element and process that the paging spring pushes up mutually, the paging spring can make and be slit into sheets element and produce a friction force.Utilize this friction force, a plurality ofly be slit into sheets the state that can be in a relative motion between the element, and then reach the purpose of paging.
In the type printer with paging structure of the present invention, also comprise a bracing frame, this bracing frame is a side that is installed in load-carrying unit, to support the paging spring.
In the type printer with paging structure of the present invention, the axle center of paging spring and the angular range that is slit into sheets between the end face of element are between 165 degree between 150 degree.
In the type printer with paging structure of the present invention, the paging spring can be a coiling coil, and is preferably an extension spring.Wherein, the material of coiling coil can be steel wire rod or plastic wire.
Be preferably, the paging spring with type printer of paging structure of the present invention is that a STAINLESS STEEL WIRE is around the extension spring that is rolled into.
In the type printer with paging structure of the present invention, the coil pitch of paging spring and the ratio of coil outer diameter are below 1.25.In addition, the coil outer diameter d of paging spring and the ratio that is slit into sheets between the thickness t of element are preferably 1.25＜d/t＜3.75.
In the type printer with paging structure of the present invention, the swinging end of getting the paper arm is provided with one first roller, and wherein, this first roller is preferably a rubber roll.In addition, have the fold lines on the circumference of first roller,, make first roller be more prone to move and be slit into sheets element to increase by first roller and the friction force that is slit into sheets element.
In the type printer with paging structure of the present invention, get the paper arm and also can comprise a unidirectional rotation axle, utilize the unidirectional rotation axle to be fixedly arranged on the strut bar and get the paper arm, and the unidirectional rotation axle is in order to drive this first roller.
In the type printer with paging structure of the present invention, to get the paper arm and also can comprise a driving gear set, this driving gear set is positioned at first roller and unidirectional rotation between centers, and driving gear set contacts with first roller and unidirectional rotation axle.When first motor rotated the unidirectional rotation axle by strut bar, this unidirectional rotation axle just drove driving gear set and rotates, and driving gear set just drives the rotation of first roller, is slit into sheets element so that first roller can move.
In the type printer with paging structure of the present invention, the sliding end of swing arm is provided with one second roller, and this second roller slides along the slide rail of load-carrying unit.
In the type printer with paging structure of the present invention, also can comprise a link component, and get the two ends that paper arm and swing arm are arranged at link component respectively.So, when the sliding end of swing arm when the slide rail of load-carrying unit moves, get paper arm and swing arm and can move simultaneously.
In the type printer with paging structure of the present invention, also can comprise a upset assembly, this upset assembly is a side that is located at pedestal, and the upset assembly comprises at least one two-way roller and at least one movable thin slice, and the travel path that wherein is slit into sheets element is to be divided into one first path and one second path by movable thin slice.Be slit into sheets element when the swinging end of getting the paper arm moves, be slit into sheets element, and a bottom surface that is slit into sheets element contacts with a type element along first path movement; And by this two-way roller, make to be slit into sheets element along second path movement, and the end face that is slit into sheets element contacts with type element.
In the type printer with paging structure of the present invention, the movable thin slice of upset assembly can be designed to active switch, or passive type by weight be slit into sheets element thrust and do folding.
In the type printer with paging structure of the present invention, the two-way roller of upset assembly can be driven by first motor.
In addition, in the type printer with paging structure of the present invention, the upset assembly also can comprise one second motor, and two-way roller is driven by second motor.
Because in the type printer with paging structure of the present invention, getting paper arm and swing arm is the two ends that are arranged at link component respectively, therefore, and when load-carrying unit is pulled out in pedestal, the sliding end of swing arm utilizes link component to make to get the paper arm and swing arm can be synchronized with the movement when the slide rail of load-carrying unit moves.So, can avoid getting collision between paper arm and load-carrying unit.In addition, utilize the upset assembly set in the type printer of paging structure that has of the present invention, can reach the function of duplex printing.
Description of drawings
Fig. 1 is the birds-eye view of the type printer with paging structure of a preferred embodiment of the present invention.
Fig. 2 is the load-carrying unit of the type printer with paging structure of a preferred embodiment of the present invention and the scheme drawing of paper-fetching mechanism.
Fig. 3 is the paging spring and the effect scheme drawing that is slit into sheets element of the type printer with paging structure of a preferred embodiment of the present invention.
Fig. 4 is the scheme drawing of paper-fetching mechanism of the type printer with paging structure of a preferred embodiment of the present invention.
Fig. 5 A and Fig. 5 B are the load-carrying unit of the type printer with paging structure of a preferred embodiment of the present invention and the scheme drawing of the effect between swing arm.
Fig. 6 is the fragmentary cross-sectional view of the type printer with paging structure of a preferred embodiment of the present invention.
The specific embodiment
Fig. 1 is the birds-eye view that the present invention has the type printer of paging structure.As shown in Figure 1, the type printer of the present invention with paging structure comprises a pedestal 1, one first motor 2, a load-carrying unit 3 and a paper-fetching mechanism 4.Wherein, first motor 2 is positioned at a side of pedestal 1, and is connected with paper-fetching mechanism 4, gives paper-fetching mechanism 4 so that power to be provided.And load-carrying unit 3 can be planted or pull out in pedestal 1, and load-carrying unit 3 is in order to be installed in a plurality of element (not shown) that are slit into sheets.
Fig. 2 is the load-carrying unit of the type printer of the present invention with paging structure and the scheme drawing of paper-fetching mechanism, the relation of its expression load-carrying unit and paper-fetching mechanism when load-carrying unit is inserted in pedestal.As shown in Figure 2, the side of load-carrying unit 3 has a slide rail 32, and can be provided with a plurality of paging springs 31 on the side of load-carrying unit 3.In present embodiment, the side of load-carrying unit 3 is provided with a paging spring 31.Have in the type printer of paging structure in the present invention, paging spring 31 can be a coiling coil, is preferably an extension spring; And the material of paging spring 31 can be steel wire rod or plastic wire.In present embodiment, paging spring 31 is that STAINLESS STEEL WIRE is around the extension spring that is rolled into.In addition, be fixedly arranged on more on the load-carrying unit 3 in order to make paging spring 31, the type printer that the present invention has paging structure also comprises a bracing frame 33, and it is installed in a side of load-carrying unit 3, to support paging spring 31.
In addition, as shown in Figure 2, the paper-fetching mechanism 4 that the present invention has a type printer of paging structure comprises gets a paper arm 41 and a swing arm 42.Wherein, getting paper arm 41 is to be fixedly arranged on the strut bar 43, and paper-fetching mechanism 4 promptly utilizes an end of strut bar 43 to be connected with the first motor (not shown).In addition, a swinging end 411 of getting paper arm 41 is to be positioned at the top that is slit into sheets element 5 and to be slit into sheets element 5 in order to move.These are slit into sheets element 5 and then are separated from each other by paging spring 31.
Next, will illustrate how the paging spring will be slit into sheets element and separate.As shown in Figure 3, this has the paging spring and the effect scheme drawing that is slit into sheets element of the type printer of paging structure for the present invention, and it is the B-B ' section-drawing that hatching is done along Fig. 2.Wherein, the axle center 311 of paging spring 31 and be slit into sheets the angle theta scope of 51 of the end faces of element 5 can be between 150 degree between 165 degree.In present embodiment, the angle that axle center 311 and end face are 51 is 150 degree.In addition, the ratio of the coil pitch of paging spring 31 and coil outer diameter can be 1.25 or below.In present embodiment, the ratio of coil pitch p and coil outer diameter d is 1.25.Moreover, reaching best in order to make paging spring 31 separate the effect that is slit into sheets element 5, the coil outer diameter d of paging spring 31 and the ratio that is slit into sheets between the thickness t of element 5 are 1.25＜d/t＜3.75.
(not shown) when being slit into sheets element 5 and being positioned on the load-carrying unit, being slit into sheets element 5 can push up mutually with paging spring 31, and gets first set on the swinging end of the paper arm roller 414 and understand and contact with the end face 51 that is slit into sheets element 5.In the process that prints,,, therefore can drive and be slit into sheets element 5 and produce side forces because paging spring 31 is to replace mutually with being slit into sheets element 5 when first roller 414 moves when being slit into sheets element 5.By this side force, can make a plurality of being slit into sheets between the element 5 be in relative motion, and then reach the purpose of paging.
Next, will do more detailed description for the paper-fetching mechanism 4 of Fig. 2.As shown in Figure 4, this has the scheme drawing of paper-fetching mechanism of the type printer of paging structure for the present invention.Wherein, the swinging end 411 of getting paper arm 41 is provided with one first roller 414, and this first roller 414 is preferably a rubber roll.In addition, get paper arm 41 and also comprise a unidirectional rotation axle 412, get paper arm 41 and utilize unidirectional rotation axle 412 to be fixedly arranged on the strut bar 43.Moreover, to get paper arm 41 and also comprise a driving gear set 413, this driving gear set 413 is positioned at 412 on first roller 414 and unidirectional rotation axle, and driving gear set 413 contacts with first roller 414 and unidirectional rotation axle 412.Wherein, driving gear set 413 can comprise at least one power wheel, in present embodiment, driving gear set 413 comprises first power wheel 4131, second power wheel 4132, the 3rd power wheel 4133, the 4th power wheel 4134, the 5th power wheel 4135 and the 6th power wheel 4136, and these power wheels are meshing with each other each other.In addition, first power wheel 4131 of driving gear set 413 is to be fixed on the unidirectional rotation axle 412, and the 6th power wheel is to be fixed on first roller 414.
Next, the relativity when describing type printer that the present invention has paging structure in detail and print.At first, please refer to Fig. 1, Fig. 2 and Fig. 4, when printing, provide a power, and rotate unidirectional rotation axle 412 by strut bar 43 with strut bar 43 bonded assemblys first motor 2.Because first power wheel 4131 is fixed on the unidirectional rotation axle 412, so the power that first motor 2 is provided can be by strut bar 43 and unidirectional rotation axle 412, transmission is sent to the 6th power wheel 4136 by intermeshing second power wheel 4132, the 3rd power wheel 4133, the 4th power wheel 4134 and the 5th power wheel 4135 by first power wheel 4131 more in regular turn from first power wheel 4131.Then because the 6th power wheel 4136 is fixed on first roller 414, so the power that is transmitted by driving gear set 413 can further make first roller 414 rotate, with mobile contact with first roller 414 be slit into sheets element 5.In addition, in order to increase by first roller 414 and to be slit into sheets the friction force of 5 of elements, helping first roller 414 to move to be slit into sheets element 5, circumference that can first roller 414 is provided with the fold lines.
Refer again to Fig. 4, the type printer that the present invention has paging structure also comprises a link component 44, are the two ends that are arranged at link component 44 respectively and get paper arm 41 with swing arm 42, and strut bar 43 is sheathed in the link component 44.Because getting paper arm 41 is two ends of being fixed in link component 44 with swing arm 42,, then gets paper arm 41 and can move simultaneously with swing arm 42 therefore by the setting of link component 44.In addition, the sliding end 421 of swing arm 42 also is provided with one second roller 422, and the sliding end 421 of swing arm 42 contacts (as shown in Figure 2) with the slide rail 32 of load-carrying unit 3.
Fig. 5 A and Fig. 5 B are the load-carrying unit of the type printer of the present invention with paging structure and the scheme drawing of the effect between swing arm, wherein Fig. 5 A is the action diagram between load-carrying unit and swing arm when load-carrying unit is inserted in pedestal, and Fig. 5 B is the action diagram between load-carrying unit and swing arm when load-carrying unit is pulled out in pedestal.At this, please also refer to Fig. 2, Fig. 4 and Fig. 5 A.When load-carrying unit 3 was inserted in the pedestal (not shown), a sliding end 421 of swing arm 42 contacted with the slide rail 32 of load-carrying unit 3.In addition, the second set roller 422 can slide along the slide rail 32 of load-carrying unit 3 on the sliding end 421 of swing arm 42.By the relative motion of 32 of second roller 422 and slide rails, can reduce the friction force that load-carrying unit 3 is planted or pulled out 42 of when pedestal (not shown) load-carrying units 3 and swing arm.
Moreover, will plant or when pulling out pedestal, the relativity between swing arm and slide rail is done a detailed description to load-carrying unit.Shown in Fig. 5 A, when load-carrying unit 3 was inserted in the pedestal (not shown), the pulley 422 of swing arm 42 was slide rail 32 lowermost ends that are positioned at load-carrying unit 3.Owing to get paper arm 41 and utilize the link component (not shown) to be connected with swing arm 42, therefore the relative position of getting paper arm 41 and swing arm 42 can't change, can deadweight hang down so get the swinging end 411 of paper arm 41, and first pulley 414 of getting paper arm 41 just can be slit into sheets the element (not shown) and contact.When load-carrying unit 3 was pulled out the pedestal (not shown), shown in Fig. 5 B, the pulley 422 of swing arm 42 can move along the slide rail 32 of load-carrying unit 3, and up is raised up to vertex along slide rail 32.Simultaneously, because of the relative position of getting paper arm 41 and swing arm 42 can't change, therefore, the swinging end 411 of getting paper arm 41 also up rises along with swing arm 42, makes the height of getting paper arm 41 surpass the height H of load-carrying unit 3.Because the height of getting paper arm 41 surpasses the height H of load-carrying unit 3, thus when with load-carrying unit 3 when the pedestal (not shown) is pulled out, can avoid load-carrying unit 3 and get the situation generation that paper arm 41 collides.When load-carrying unit 3 was inserted in pedestal relatively, also the pulley 422 because of swing arm 42 was in slide rail 32 vertexs, can avoid load-carrying unit 3 and the situation of getting 41 collisions of paper arm to take place equally.
Fig. 6 is the fragmentary cross-sectional view that the present invention has the type printer of paging structure, and it is the A-A ' section-drawing that hatching is done along Fig. 1.Have in the type printer of paging structure in the present invention, also comprise a upset assembly, it is located at a side of pedestal 1, and the upset assembly comprises at least one two- way roller 72,73 and at least one movable thin slice 71.Wherein, the folding by movable thin slice 71 can be to be divided into one first path 81 and one second path 82 with the travel path that is slit into sheets the element (not shown).
In addition, the two-way roller of the present invention with type printer of paging structure can be driven by first motor.Perhaps, the upset assembly that the present invention has the type printer of paging structure also comprises one second motor, and two-way roller is driven by second motor.In present embodiment, two-way roller 72,73rd is driven by the first motor (not shown).And having the movable thin slice of the type printer of paging structure, the present invention can be designed to and two- way roller 72,73 turn to the active switch of cooperation (to close second path 82 during unlatching, be the state of closing first path 81 when closing), or passive type by weight be slit into sheets element thrust and do folding.In present embodiment, the weight that movable thin slice 71 is utilizations itself be slit into sheets element thrust and do folding.
When first roller 414 of getting paper arm 41 moves when being slit into sheets the element (not shown), can make many to be slit into sheets the element (not shown) and to separate by paging structure 31.Carry out first page when printing when being slit into sheets the element (not shown), utilize the thrust that is slit into sheets the element (not shown), movable thin slice 71 upwards can be opened, make to be slit into sheets the element (not shown) and to advance along first path 81.And utilize two-way roller 72 according to anticlockwise motion, can contact to print with type element 11 being slit into sheets element (not shown) forward impelling, making the bottom surface (not shown) that is slit into sheets element.If when desiring to carry out second page of printing (reverse side printing), 72 on two-way roller is docile and obedient clockwise and is rotated, and then being slit into sheets the element (not shown) can advance backward.At this moment, movable thin slice 71 utilizes the weight of itself to close downwards, makes to be slit into sheets the element (not shown) and to be able to advance along second path 82.Behind second path 82 of passing through, can will be slit into sheets the upset of element (not shown), make be slit into sheets element the end face (not shown) up.At this moment, two-way roller 72 will be returned to anticlockwise motion, so just can will be slit into sheets element (not shown) forward impelling and contact to carry out second page of printing with type element 11.It should be noted that the type printer with paging structure of the present invention, its paper enters and exports all the position in the same side, so the type printer with paging structure of the present invention is the type printer that goes out before a kind of the advancing.
In sum, the type printer with paging structure of the present invention utilizes the paging spring to be slit into sheets element one side force to provide, and reaches the effect of paging.In addition, utilize connection unit with swing arm with get the paper arm and maintain a fixed position, make when load-carrying unit is planted or pulled out in pedestal, be unlikely to make and get the situation generation that collision is arranged between paper arm and the carrier.In addition, because of the type printer with paging structure of the present invention also comprises a upset assembly, make it can reach the function of duplex printing.Moreover, because the type printer with paging structure of the present invention enters and be output as the same side because of paper,, so can reach the effect that reduces the device body volume so be the type printer that goes out before a kind of the advancing.
The foregoing description only has been convenience explanation and the instantiation enumerated, and the interest field that the present invention advocated is from should being as the criterion with the application's claim institute restricted portion, but not only limits to the foregoing description.
Claims (9)
1. type printer with paging structure comprises:
One pedestal;
One first motor is positioned at a side of this pedestal;
One load-carrying unit has a slide rail, and can plant or pull out in this pedestal, and this load-carrying unit is in order to be installed in a plurality of elements that are slit into sheets;
One gets the paper arm, be fixedly arranged on the strut bar, and an end of this strut bar is connected with this first motor, and this swinging end of getting the paper arm is to be positioned at this top that is slit into sheets element and to be slit into sheets element in order to move this;
One swing arm, a sliding end of this swing arm contacts with this slide rail of this load-carrying unit; And
One paging spring is arranged on the side of this load-carrying unit;
Wherein, when this load-carrying unit was pulled out in this pedestal, this sliding end of this swing arm moved along this slide rail of this load-carrying unit; When this load-carrying unit is inserted in this pedestal, the end face that this this swinging end and one of getting the paper arm is slit into sheets element contacts, and this first motor drives this this swinging end of getting the paper arm by this strut bar and is slit into sheets element to move this, and separates these by this paging spring and be slit into sheets element.
2. the type printer with paging structure according to claim 1 is characterized in that also comprising a bracing frame, and it is installed in a side of this load-carrying unit, to support this paging spring.
3. the type printer with paging structure according to claim 1 is characterized in that the angular range between the axle center of this paging spring and this end face that this is slit into sheets element is between 165 degree between 150 degree.
4. the type printer with paging structure according to claim 1 is characterized in that this paging spring is a coiling coil.
5. the type printer with paging structure according to claim 1 is characterized in that the coil pitch of this paging spring and the ratio of coil outer diameter are below 1.25.
6. the type printer with paging structure according to claim 1 is characterized in that the coil outer diameter d of this paging spring and the ratio between this thickness t that is slit into sheets element are 1.25＜d/t＜3.75.
7. the type printer with paging structure according to claim 1, it is characterized in that this gets the paper arm and also comprise a unidirectional rotation axle, this is got the paper arm and utilizes this unidirectional rotation axle to be fixedly arranged on this strut bar, and this unidirectional rotation axle is in order to drive the swinging end that this gets the paper arm.
8. the type printer with paging structure according to claim 1 is characterized in that this sliding end of this swing arm is provided with one second roller, and this second roller is along this slide rail slip of this load-carrying unit.
9. the type printer with paging structure according to claim 1, it is characterized in that also comprising a upset assembly, be located at a side of this pedestal, and this upset assembly comprises at least one two-way roller and at least one movable thin slice, and wherein this travel path that is slit into sheets element is divided into one first path and one second path by this activity thin slice; Be slit into sheets element when this this swinging end of getting the paper arm moves this, this is slit into sheets element is along this first path movement, and this bottom surface that is slit into sheets element contacts with a type element; And, make this be slit into sheets element, and this this end face that is slit into sheets element contact with this type element along second path movement by this two-way roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102136513A CN101654197B (en) | 2008-08-19 | 2008-08-19 | Printing device with paging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102136513A CN101654197B (en) | 2008-08-19 | 2008-08-19 | Printing device with paging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101654197A CN101654197A (en) | 2010-02-24 |
| CN101654197B true CN101654197B (en) | 2011-07-20 |
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ID=41708696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102136513A Expired - Fee Related CN101654197B (en) | 2008-08-19 | 2008-08-19 | Printing device with paging structure |
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| Country | Link |
|---|---|
| CN (1) | CN101654197B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6366370B2 (en) * | 2014-06-04 | 2018-08-01 | キヤノン株式会社 | RECORDING DEVICE, RECORDING DEVICE CONTROL METHOD, PROGRAM, AND STORAGE MEDIUM |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660823A (en) * | 1984-11-13 | 1987-04-28 | Tokyo Electric Co., Ltd. | Sheet feeding device for business machine |
| US5775688A (en) * | 1995-12-26 | 1998-07-07 | Brother Kogyo Kabushiki Kaisha | Paper feed device |
| JP2003040472A (en) * | 2001-07-31 | 2003-02-13 | Ricoh Co Ltd | Paper feeding mechanism and image forming device provided with the same |
-
2008
- 2008-08-19 CN CN2008102136513A patent/CN101654197B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660823A (en) * | 1984-11-13 | 1987-04-28 | Tokyo Electric Co., Ltd. | Sheet feeding device for business machine |
| US5775688A (en) * | 1995-12-26 | 1998-07-07 | Brother Kogyo Kabushiki Kaisha | Paper feed device |
| JP2003040472A (en) * | 2001-07-31 | 2003-02-13 | Ricoh Co Ltd | Paper feeding mechanism and image forming device provided with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101654197A (en) | 2010-02-24 |
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