CN102234031B - Paper feed mechanism and image forming device - Google Patents
Paper feed mechanism and image forming device Download PDFInfo
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- CN102234031B CN102234031B CN201110055039XA CN201110055039A CN102234031B CN 102234031 B CN102234031 B CN 102234031B CN 201110055039X A CN201110055039X A CN 201110055039XA CN 201110055039 A CN201110055039 A CN 201110055039A CN 102234031 B CN102234031 B CN 102234031B
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Abstract
The invention provides a paper feed mechanism and an image forming device, which can conduct smooth and reliable paper feeding and can inhibit noise generated by vibration due to paper separation of a paper feed roller and a separation portion. The paper feed mechanism comprises a separation portion and a paper feed roller abutting against the separation portion. Overlapped papers are separated between the separation portion and the paper feed roller and the papers are fed by means of the paper feed roller. The paper feed mechanism comprises a paper guiding plate which is supported by a paper feed roller supporting body and extends along the paper extending direction of the paper feed roller, a connection mechanism which connects the paper guiding plate and the paper feed roller supporting body at at least a part outside of the retaining portion of the paper feed supporting body. The connection mechanism enables the paper guiding plate to be movably connected to the paper feed supporting body. The connection mechanism comprises a portion connected to the paper feed supporting body of the paper guiding plate and an impact damping component installed between the paper feed roller supporting bodies.
Description
Technical field
The present invention relates to from stacked scraps of paper etc. (below, be referred to as " paper ") supply with the paper feed mechanism of paper, particularly relate to comprise separating component and with the intake roller of this separating component butt, and make this stacked paper separate the paper feed mechanism of supplying with this intake roller simultaneously between intake roller and this separating component.
Background technology
This paper feed mechanism is used in each field, for example, at duplicator, printer, facsimile machine, and with in the above-mentioned two or more image processing systems such as compounding machine that make up, be used for carrying out from the sheet stack that loading is contained in paper feed cassette etc. the situation of paper feed.
For this paper feed mechanism, exist the paper separating action of following intake roller and separating component to carry out can produce so-called stagnant cunning (stick slip), and produce thus little vibration, this little vibration sometimes is delivered to the meeting generation chatters such as intake roller supporting mass.
This respect, record in TOHKEMY 2003-155129 communique (JP2003-155129A): as with pickup roller (roller for picking up) (intake roller), loading being housed in paper on the base plate of by spring, being elected, rubbed with the hands while carrying out paper feed, prevent the method because of the stagnant sliding chatter that produces, the rotating shaft of pickup roller is arranged absorption, suppresses the limiting unit of the vibration of this rotating shaft.
Patent documentation 1: TOHKEMY 2003-155129 communique
For comprise separating component and with the intake roller of separating component butt, stacked paper is separated the paper feed mechanism of being supplied with by intake roller simultaneously between intake roller and separating component, there is as mentioned above the problem that produces chatter, in addition, sometimes also can hinder the paper feed action because of the paper bending in stacked sheet stack etc.
Summary of the invention
The inventor etc., in order to address this problem, attempt arranging the paper guided plate, and the intake roller supporting mass that this paper guided plate is supported intake roller keeps, and extends on the sheet transport direction of this intake roller conveyance of sheets.
Yet, when making the intake roller supporting mass keep such paper guided plate, follow the stagnant sliding vibration that produces of above-mentioned paper separating action, not only be delivered to the intake roller supporting mass and also be delivered to the paper guided plate, therefore can produce larger chatter as a whole.This noise only utilizes the vibration suppressing method of above-mentioned TOHKEMY 2003-155129 communique record to be difficult to suppress.
Therefore the first problem of the present invention is to provide a kind of paper feed mechanism, comprise separating component and in the face of the intake roller of this separating component, stacked paper is separated the paper feed mechanism of being supplied with by this intake roller simultaneously between this intake roller and this separating component, even paper slightly has the distortion such as bending, fluctuating etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and suppress to follow the vibration of the paper separating action that intake roller and separating component carry out and the noise that produces.
in addition, the second problem of the present invention is to provide a kind of image processing system, can utilize paper feed mechanism to supply with paper from overlapping sheet stack, and paper is passed through in passing the image pathway of image forming part, thereby form image on this paper, this paper feed mechanism comprises separating component and faces the intake roller of this separating component, stacked paper is separated supplied with by this intake roller simultaneously between this intake roller and this separating component, by this paper feed mechanism paper feed the time, even paper slightly has bending, rise and fall and wait distortion etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and the noise that suppresses to follow the vibration of the paper separating action that intake roller and separating component carry out and produce, so just paper feed and noise carry out image formation littlely swimmingly.
The present invention is in order to solve above-mentioned the first problem, a kind of paper feed mechanism is provided, comprise separating component and with the intake roller of this separating component butt, stacked paper is separated the paper feed mechanism of being supplied with by this intake roller simultaneously between this intake roller and this separating component, this paper feed mechanism comprises: the paper guided plate, its intake roller supporting mass that is supported above-mentioned intake roller keeps, and extends on the sheet transport direction of this intake roller conveyance of sheets; Connect mechanism, it keeps retaining part at least a portion in addition of above-mentioned paper guided plate at above-mentioned intake roller supporting mass, this paper guided plate and this intake roller supporting mass are linked, this connect mechanism be with above-mentioned paper guided plate with respect to the connect mechanism that above-mentioned intake roller supporting mass movably links, comprise the buffer unit of installing between part that intake roller supporting mass above-mentioned paper guided plate and above-mentioned links and this intake roller supporting mass.
According to paper feed mechanism of the present invention, owing to making the intake roller supporting mass keep the paper guided plate that extends along the sheet transport direction of intake roller conveyance of sheets, therefore, even paper slightly has the distortion such as bending, fluctuating etc., not affected by such distortion etc. and carry out smooth and easy, reliable paper feed.
In addition, connect mechanism is set, its at least a portion beyond the retaining part that is kept by above-mentioned intake roller supporting mass of above-mentioned paper guided plate, the connect mechanism that above-mentioned paper guided plate is movably linked with respect to above-mentioned intake roller supporting mass, because this connect mechanism movably links above-mentioned paper guided plate with respect to above-mentioned intake roller supporting mass, therefore the paper guided plate can vainly not move freely, and,, even the paper guided plate produces some bending and torsions a little, also can discharge (absorption) such bending etc. and carry out paper feed in movable range.
In addition, comprise the buffer unit of installing between part that intake roller supporting mass above-mentioned paper guided plate and above-mentioned links and this intake roller supporting mass due to this connect mechanism, therefore utilize this buffer unit can absorb at least the paper separating action of following intake roller and separating component and the part of the vibration that produces, therefore can suppress the noise that is caused by vibration.
In addition, connect mechanism can be also to allow the paper guided plate to move in the scope of predesignating with respect to the intake roller supporting mass, so that the paper guided plate can be with respect to intake roller supporting mass mobile parts vainly.
The retaining part that above-mentioned paper guided plate is kept by above-mentioned intake roller supporting mass, as long as can realize that the desired function of paper guided plate do not do particular restriction, as long as the movement of constraint paper guided plate within reason can be carried out swimmingly the paper guiding and get final product.For example, the paper guided plate can list the upstream-side-end in the sheet transport direction of above-mentioned intake roller conveyance of sheets, by cantilever support in above-mentioned intake roller supporting mass and the situation of to this intake roller side, extending.
The part that links with above-mentioned intake roller supporting mass that above-mentioned buffer unit can limit above-mentioned paper guided plate with respect to this intake roller supporting mass in the initial position near on the separating action direction (position while not yet supplying with paper feed).
In this case, under the state that the paper guided plate is kept by the intake roller supporting mass, during paper guided plate part that existence is biased in the mode near the intake roller supporting mass by elastic recovering force of paper guided plate self etc., compressed buffer unit in advance is installed between this part and intake roller supporting mass, the paper guided plate can be carried out the example of position limitation with respect to the intake roller supporting mass thus.
In addition,, buffer unit being connected with the part that adhesives etc. is connected with the paper guided plate with the intake roller supporting mass links and also with adhesives etc., with the intake roller supporting mass, being connected, the paper guided plate can be carried out position limitation etc. with respect to the intake roller supporting mass thus.
Above-mentioned connect mechanism, for example can be arranged between the supporting part and above-mentioned intake roller by above-mentioned intake roller supporting mass supporting of above-mentioned paper guided plate.
Simple example as above-mentioned connect mechanism, can list following mechanism, comprise stepped type bolt, this stepped type bolt can be embedded in the hole that forms on above-mentioned intake roller supporting mass with movable state, and connect this Kong Eryu and be threadedly engaged with in the face of the part that links with the intake roller supporting mass of the above-mentioned paper guided plate in this hole, above-mentioned buffer unit is installed between the part of this intake roller supporting mass and this paper guided plate.
The present invention is in order to solve above-mentioned the second problem, a kind of image processing system is provided, can utilize paper feed mechanism to supply with paper from overlapping sheet stack, and paper is passed through passing on the image pathway of image forming part, thereby form image on this paper, as this paper feed mechanism, adopt paper feed mechanism of the present invention.
According to this image processing system, the paper feed mechanism that the present invention relates to due to employing is as paper feed mechanism, therefore from this paper feed mechanism paper feed the time, even paper slightly has the distortion such as bending, fluctuating etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and suppress to follow the vibration of the paper separating action that intake roller and separating component carry out and produce noise, so just paper feed and noise carry out image formation littlely swimmingly.
As described above, can provide a kind of paper feed mechanism according to the present invention, comprise separating component and in the face of the intake roller of this separating component, stacked paper is separated the paper feed mechanism of being supplied with by this intake roller simultaneously between this intake roller and this separating component, even paper slightly has the distortion such as bending, fluctuating etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and suppress to follow the vibration of the paper separating action that intake roller and separating component carry out and the noise that produces.
in addition, according to the present invention, a kind of image processing system can be provided, can utilize paper feed mechanism to supply with paper from overlapping sheet stack, and paper is passed through passing on the image pathway of image forming part, thereby form image on this paper, this paper feed mechanism comprises separating component and faces the intake roller of this separating component, stacked paper is separated supplied with by this intake roller simultaneously between this intake roller and this separating component, by this paper feed mechanism paper feed the time, even paper slightly has bending, rise and fall and wait distortion etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and the noise that suppresses to follow the vibration of the paper separating action that intake roller and separating component carry out and produce, so just paper feed and noise carry out image formation littlely swimmingly.
Description of drawings
Fig. 1 means the figure that the summary of an example of the image processing system that the present invention relates to forms.
Fig. 2 means the figure of the example of the paper feed mechanism that the present invention relates to.
Fig. 3 observes the paper feed mechanism of Fig. 2 from top, represent the figure of the position relationship of each one.
Description of reference numerals:
10... printer; 11... image forming part; 12... paper supply unit; 13... image pathway; 131... registration roller; 113... fixing device; T... discharge pallet; 12A... paper feed mechanism; 121... intake roller; 121a... paper feed roll shaft; 122... separate roller; 122f... separate roller scaffold; 123... pickup roller; 124... intake roller supporting mass; 1241... stepped type bolt through hole; 125... pickup roller supporting mass; 126... paper guided plate; 127... tabular post; 128... shelf portion; 120... paper feeding cassette; SA... connect mechanism; Sp... spring; L... bar; Sc... stepped type bolt; Su... large-diameter portion; Sd... outer screw section; Ks... buffer unit; M... motor
The specific embodiment
Fig. 1 represents series connection (tandem) the formula color printer (color printer) as an example of the image processing system that the present invention relates to.
In addition, the image processing system that the present invention relates to is not limited to the tandem color printer, also go for (cycle) formula of so-called cycle (for example 4 periodics) color image forming device, black white image formation device, except printer, can also be applicable to duplicator, facsimile machine and with the compounding machine of the combination more than two in them etc.
The printer 10 that Fig. 1 represents has paper supply unit 12 and the image pathway 13 of image forming part 11, image forming part below.Image forming part 11 comprises intermediate transfer belt 111, this intermediate transfer belt 111 is wound onto by omitting on the illustrated d1 of driven roller with the drive division rotary actuation and opposed roll d2, and can be driven in rotation to counter clockwise direction α in figure, and in this image forming part 11, along this band, dispose in the following order on the band direct of travel: yellow image forms unit Y, magenta color image forms unit M, cyan image formation unit C and black image forms unit K.
Be responsible for image formation unit of all kinds, based on the image information from omitting illustrated image read-out, the image information of from omitting illustrated outer computer or outside facsimile machine etc., sending, form the electrostatic latent image corresponding with the color image of being responsible on photoreceptor PC by the electronic photo mode, utilize the color toner of being responsible for this sub-image to develop to form toner image to this sub-image, and can enough primary transfer roller tr that has applied the primary transfer bias voltage from omitting illustrated power supply, with this toner image primary transfer to being with on 111.
When carrying out image formation with image formation unit, can, with any one the formation black and white toner image in four image formation units, also can form coloured images with two above image formation units.In the situation that use two above image formation units, each color toner image that is formed by above-mentioned image formation unit on 111 superimposed moment by primary transfer to being with on 111.
Image forming part 11 also comprises: on the direction of rotation of intermediate transfer belt 111 in downstream side that black image forms unit K to the secondary transfer roller 112 of this band and be configured in fixing device 113 above secondary transfer roller 112.
As mentioned above, by primary transfer to the toner image with on 111, by be applied in the secondary transfer roller 112 of secondary transfer printing bias voltage from omitting illustrated power supply, by secondary transfer printing to the paper S that transports along image pathway 13.
Be used for paper supply unit 12 supplies of paper from illustrating in the back that image forms.Supply with from paper supply unit 12 paper that come and collide the registration roller 131 that is positioned at image pathway 13 porch and temporarily stop, and send into image pathway 13 at the moment that can form at the assigned position of the paper image roller 131 that is positioned in image forming part 13.
Like this, by secondary transfer printing to the toner image on paper, by fixing device 113 under the condition of heating pressurization by photographic fixing, and be discharged to together with paper and discharge pallet T.
Below, further illustrate paper supply unit 12.
In this embodiment, paper supply unit 12 comprises the paper feed mechanism 12A that is arranged on the printer main body side, and in the face of in the mode that can take out, paper feeding cassette 120 being installed in the box receiving portion of this paper feed mechanism 12A, is carrying out paper supply.
Load in advance the paper S that is housed in paper feeding cassette 120, because box 120 is installed on printer main body, therefore be subject to the effect of spring Sp described later (with reference to Fig. 3) from top and descend, and being picked up by the pickup roller 123 that contact with paper S and to intake roller 121 sides conveyings.At this moment, be directed by the paper guided plate 126 that remains in intake roller supporting mass 124.
, at this, adopted to the separate roller that is formed by friction means with intake roller rightabout rotary actuation, superficial layer as separating component, yet separating component can be also in the face of the tabular separating plate of intake roller etc.
Below, with reference to Fig. 2 and Fig. 3, paper feed mechanism 12A is further described.
Paper feed roll shaft 121a extends to the outside of supporting mass 124, can be supported in rotatably the framework F of printer main body.Drive by the driven motor M of axle 121a, intake roller 121 can counterclockwise be driven in rotation in Fig. 2.
Paper guided plate 126 is configured in the downside of intake roller supporting mass 124, and end 126e is crooked upward thereafter, and with bolt 124a, is fixed on intake roller supporting mass 124.
Like this, paper guided plate 126 is held in intake roller supporting mass 124 by end 126e thereafter.In addition, paper guided plate 126 also can link with mode and the supporting mass 124 that can rotate by hinged (hinge).
Paper guided plate 126 extends from end thereafter to intake roller 121 sides, and extends to the position that slightly surpasses intake roller 121.As shown in Figure 3, be formed with opening 126h on paper guided plate 126, pickup roller 123 and intake roller 121 can from this opening 126h be loaded the paper S that is housed in paper feeding cassette 120 and contact.
Paper guided plate 126 in its back-end between the 126e of section and intake roller 121 by connect mechanism SA and 124 links of intake roller supporting mass.Connect mechanism SA is the mechanism that paper guided plate 126 is movably linked in predetermined scope with respect to intake roller supporting mass 124.
Paper guided plate 126 has erects the tabular post 127 that arranges thereon, and tabular post 127 has the shelf portion 128 that is formed with bolt hole at its top.
Connect mechanism SA comprises: have the tabular post 127 of shelf portion 128, with stepped type bolt Sc and the buffer unit Ks of head.Stepped type bolt Sc movably is embedded in the hole 1241 that forms in the face of the part of the intake roller supporting mass 124 of shelf portion 128, and connects this hole 1241.Buffer unit Ks installs between intake roller supporting mass 124 and shelf portion 128 with the state that slightly compresses.
Stepped type bolt Sc comprises: the outer screw section Sd in the thin footpath of the large-diameter portion Su of lower head and large-diameter portion Su below, head is positioned at the top of intake roller supporting mass 124, and large-diameter portion Su is embedded in the hole 1241 of paper bowl supporting mass 124 and connects this hole 1241 with movable state.The shelf portion 128 of outer screw section Sd and above-mentioned paper guided plate side is threadedly engaged with fixing.Have gap between shelf portion 128 under this state and intake roller supporting mass 124, buffer unit Ks is inserted in this gap with the state that slightly compresses.Buffer unit Ks restriction shelf portion 128 with respect to intake roller supporting mass 124 at the initial position near on detaching direction, the original position while namely limiting paper feed mechanism 12A for paper feed.
As shown in Figure 3, embed helical spring Sp is arranged being projected on end outside intake roller supporting mass 124 of above-mentioned paper feed roll shaft 121a.Spring Sp is for pickup roller 123 is contacted with the paper S of the paper feeding cassette 120 that is installed on printer main body, and with intake roller supporting mass 124 parts of the application of force downwards centered by axle 121a.If with reference to Fig. 2, describe, spring Sp is the application of force downwards on the α direction.
Yet as Fig. 3 roughly represented, paper feeding cassette 120 under the state that not yet is installed on printer main body, was arranged at the printer main body side and is omitted illustrated spring energized bar L, and intake roller supporting mass 124 is elected upward centered by axle 121a.When paper feeding cassette 120 was installed on printer main body, box 120 contacted with this bar L, and removed the election of the supporting mass 124 that this bar carries out, thereby pickup roller 123 is contacted with paper S under the effect of the power of spring Sp.
According to paper feed mechanism 12A described above, owing to making intake roller supporting mass 124 keep the paper guided plate 126 that extends on the sheet transport direction of intake roller 121 conveyance of sheets,, even paper S slightly has the distortion such as bending, fluctuating etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed.
In addition, due to the connect mechanism SA that paper guided plate 126 and intake roller supporting mass 124 are linked being set, and connect mechanism SA movably links paper guided plate 126 in predetermined scope with respect to intake roller supporting mass 124, therefore paper guided plate 126 can vainly not move freely, and,, even paper guided plate 126 produces some bending and torsions a little, also can discharge (in other words, absorb) such bending etc. and carry out paper supply in movable range.
In addition, because connect mechanism SA comprises between paper guided plate 126 and shelf portion 128 that intake roller supporting mass 124 links and the buffer unit Ks between intake roller supporting mass 124, therefore utilize buffer unit Ks can absorb at least to follow the paper separating action that intake roller 121 and separate roller 122 carry out and therefore the part of the vibration that produces can suppress the generation of the noise that is caused by vibration.
Paper guided plate 126 126e of section in its back-end is held in intake roller supporting mass 124, and to intake roller 121 sides, extends, movement that therefore can constraint paper guided plate 126 within reason and carry out swimmingly the paper guiding.
Industrial practicality
The present invention can be used in the image processing system that a kind of paper feed mechanism is provided and has utilized this paper feed mechanism, even paper slightly has the distortion such as bending, fluctuating etc., also can not be subjected to the impact of such distortion etc. to carry out smooth and easy, reliable paper feed, and suppress to follow the vibration of the paper separating action that intake roller and separating component carry out and the noise that produces.
Claims (6)
1. paper feed mechanism, comprise separating component and with the intake roller of this separating component butt, stacked paper is separated supplied with by this intake roller simultaneously between this intake roller and this separating component, this paper feed mechanism is characterised in that, comprising:
The paper guided plate, its intake roller supporting mass that is supported above-mentioned intake roller keeps, and extends on the sheet transport direction of this intake roller conveyance of sheets;
Connect mechanism, its at least a portion beyond the retaining part that is kept by above-mentioned intake roller supporting mass of above-mentioned paper guided plate, link this paper guided plate and this intake roller supporting mass,
This connect mechanism be with above-mentioned paper guided plate with respect to the connect mechanism that above-mentioned intake roller supporting mass movably links, comprise the buffer unit of installing between part that intake roller supporting mass above-mentioned paper guided plate and above-mentioned links and this intake roller supporting mass.
2. paper feed mechanism according to claim 1, is characterized in that,
Upstream-side-end in the sheet transport direction of above-mentioned intake roller conveyance of sheets, above-mentioned paper guided plate is extended in above-mentioned intake roller supporting mass and to this intake roller side by cantilever support, and above-mentioned connect mechanism links at least a portion and above-mentioned intake roller supporting mass in the freely part beyond this cantilever support part of this paper guided plate.
3. paper feed mechanism according to claim 1, is characterized in that,
The part that links with above-mentioned intake roller supporting mass of the above-mentioned paper guided plate of above-mentioned buffer unit restriction with respect to this intake roller supporting mass at the initial position near on the separating action direction.
4. paper feed mechanism according to claim 1, is characterized in that,
Above-mentioned connect mechanism is arranged between the supporting part and above-mentioned intake roller by above-mentioned intake roller supporting mass supporting of above-mentioned paper guided plate.
5. paper feed mechanism according to claim 1, is characterized in that,
Above-mentioned connect mechanism comprises stepped type bolt, this stepped type bolt can be embedded in the hole that forms on above-mentioned intake roller supporting mass with movable state, and connect this Kong Eryu and be threadedly engaged with in the face of the part that links with the intake roller supporting mass of the above-mentioned paper guided plate in this hole, above-mentioned buffer unit is installed between this intake roller supporting mass and this paper guided plate part.
6. image processing system, can utilize paper feed mechanism to supply with paper from overlapping sheet stack, and paper is passed through passing on the image pathway of image forming part, form image thus on this paper, it is characterized in that, as this paper feed mechanism, adopt the described paper feed mechanism of any one in claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010102909A JP5007847B2 (en) | 2010-04-28 | 2010-04-28 | Paper feeding mechanism and image forming apparatus |
| JP2010-102909 | 2010-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102234031A CN102234031A (en) | 2011-11-09 |
| CN102234031B true CN102234031B (en) | 2013-11-13 |
Family
ID=44885232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110055039XA Active CN102234031B (en) | 2010-04-28 | 2011-03-07 | Paper feed mechanism and image forming device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5007847B2 (en) |
| CN (1) | CN102234031B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6269630B2 (en) * | 2015-09-29 | 2018-01-31 | コニカミノルタ株式会社 | Paper feeding device and image forming apparatus |
| CN111606087B (en) * | 2019-02-25 | 2021-07-20 | 深圳市亿和精密科技集团有限公司 | Automatic paper device of getting that lifts up |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003155129A (en) * | 2001-11-19 | 2003-05-27 | Murata Mach Ltd | Paper feed device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0729071Y2 (en) * | 1989-01-17 | 1995-07-05 | 株式会社リコー | Guide plate holding structure for paper feeder |
| JPH03124641A (en) * | 1989-10-06 | 1991-05-28 | Fujitsu Ltd | Paper guide device in feeder |
| JP3069394B2 (en) * | 1991-07-02 | 2000-07-24 | 株式会社リコー | Paper feeder |
-
2010
- 2010-04-28 JP JP2010102909A patent/JP5007847B2/en not_active Expired - Fee Related
-
2011
- 2011-03-07 CN CN201110055039XA patent/CN102234031B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003155129A (en) * | 2001-11-19 | 2003-05-27 | Murata Mach Ltd | Paper feed device |
Non-Patent Citations (3)
| Title |
|---|
| JP平2-94840U 1990.07.27 |
| JP平3-124641A 1991.05.28 |
| JP特开平5-8879A 1993.01.19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5007847B2 (en) | 2012-08-22 |
| JP2011230893A (en) | 2011-11-17 |
| CN102234031A (en) | 2011-11-09 |
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