CN101763001A - Paper feed tray fixing device and image forming device - Google Patents
Paper feed tray fixing device and image forming device Download PDFInfo
- Publication number
- CN101763001A CN101763001A CN200910258332A CN200910258332A CN101763001A CN 101763001 A CN101763001 A CN 101763001A CN 200910258332 A CN200910258332 A CN 200910258332A CN 200910258332 A CN200910258332 A CN 200910258332A CN 101763001 A CN101763001 A CN 101763001A
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- China
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- sheet feed
- feed stacker
- paper feed
- feed tray
- plane
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- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
Abstract
The invention provides a paper feed tray fixing device capable of setting relation between the arranged position of the paper feed tray and the extrusion force with relatively great freedom. The paper feed tray fixing device comprises a force applying unit for applying force in the reverse interpolation direction on the paper feed tray (19)interposed into the receiving position of the main body of the image forming device (260), a locking device (250) for selecting any one of the locking state for prohibiting the paper feed tray arranged on the receiving position from moving and the unlocking state for allowing the paper feed tray arranged on the receiving position to move. The force applying unit comprises a slope member (220) and a slope pressing member (240), wherein the slope member is arranged on the paper feed tray (210) and comprises a slope facing the interpolation direction and inclining downwards, the slope pressing portion comprises a roller (241) arranged on the main body of the image forming device (260) and in contact with the slope member (220), and a disk spring (442) causing the contact member to apply force to the slope portion.
Description
Technical field
The image processing system that the present invention relates to a kind of stationary installation of sheet feed stacker and have this stationary installation, this stationary installation have the application of force unit of the power of the anti-direction of insertion of sheet feed stacker effect of the reception position that is inserted into the image processing system main body, can select to forbid to be configured in the locking state that the sheet feed stacker of described reception position moves and allow to be configured in the latching system of any one state in the released state that the sheet feed stacker of described reception position moves.
Background technology
Be arranged on the sheet feed stacker that is used to hold publication grade of image processing systems such as duplicating machine,, need be positioned in the position of the regulation in the apparatus main body in order to guarantee that when forming image the image of publication grade is formed invariant position.Therefore, in reception position, sheet feed stacker is by spring or desire to apply force to the direction of insertion side towards the application of force unit such as control lever by the direction rotation of spring regulation, and the snap close structure that sheet feed stacker is fixed to the precalculated position is set sheet feed stacker is positioned, mouthful fly out from inserting to prevent sheet feed stacker to be ejected.When extracting the aforesaid sheet feed stacker that is positioned out in order to replenish purpose such as paper, will be arranged on the action that handle on the sheet feed stacker draws back etc. by the user, can remove above-mentioned latching system.
Fig. 5 illustrates the planimetric map of existing paper feed tray fixing device.The apparatus main body 100 of image processing system is provided with sheet feed stacker 110 on guide rail 101.Sheet feed stacker 110 is from inserting to the arrow A direction to inboard (upside among the figure) when front side (downside the figure).Configuration disc spring 102 is as application of force unit in the apparatus main body 100, and application of force unit applies acting force from the inboard to current side arrows B direction to the sheet feed stacker of inserting 110.And, configuration lock buckle device 120 on the sheet feed stacker 110, when sheet feed stacker 110 was inserted into the precalculated position, latching system 120 became locking state, and sheet feed stacker 110 is fixed on the precalculated position.In view of the above, sheet feed stacker 110 is fixed on the precalculated position in the apparatus main body 100.
Dispose open operation bar 121 on the latching system 120, when from apparatus main body 100 extraction sheet feed stacker 110, by operation open operation bar 121, latching system 120 becomes released state, sheet feed stacker 110 is in can be from the state of apparatus main body 100 disengagings, sheet feed stacker 110 is subjected to the acting force of disc spring 102, and the handle portion 111 of operator by drawing back sheet feed stacker 110 can be extracted sheet feed stacker 110 out from apparatus main body 100.
Putting down in writing paper feed in the open 2000-118738 communique of Jap.P., this paper feed is in order to apply the power towards current direction to sheet feed stacker, rear in sheet feed stacker is provided with spring, and this spring is withstood on the agent structure of duplicating machine near sheet feed stacker is positioned at reception position the time.
And, putting down in writing the paper feed that on sheet feed stacker, is provided with lock catch unit in No. 2831458 communique of Jap.P..
But, the stationary installation of existing sheet feed stacker, owing to merely utilize the structure of disc spring 102 from inboard extruding sheet feed stacker 110, perhaps by desiring to push from behind the structure of sheet feed stacker towards the control lever that rotates by the direction of spring regulation, therefore according to the characteristic of springs such as disc spring, can only obtain linearity (linear function) relation between sheet feed stacker position that operation sense is exerted an influence and the extruding force, no degree of freedom can be sayed.
Summary of the invention
The objective of the invention is to make the relation of sheet feed stacker position and extruding force to have bigger degree of freedom.
Paper feed tray fixing device of the present invention, comprise application of force unit to the power of the anti-direction of insertion of sheet feed stacker effect of the reception position that is inserted into the image processing system main body, selection is forbidden being configured in the locking state that the sheet feed stacker of described reception position moves and is allowed to be configured in the latching system of any one state in the released state that the sheet feed stacker of described reception position moves, described application of force unit comprises inclined plane part and inclined-plane extruder member, inclined plane part is configured in described sheet feed stacker and has towards described direction of insertion inclined downward, and the inclined-plane extruder member comprises the contact component that is configured in described image processing system main body and can contacts with the inclined-plane of described inclined plane part and makes described contact component apply the force application part of acting force to described inclined plane part.
In the stationary installation of described sheet feed stacker, described contact component is rotating roller shape parts.
In the stationary installation of described sheet feed stacker, described inclined plane part has different a plurality of inclined-planes, pitch angle.
Image processing system of the present invention has the stationary installation of above-mentioned sheet feed stacker.
According to paper feed tray fixing device of the present invention and image processing system, by disposing contact component being located on the inclined-plane of sheet feed stacker, produce the acting force that desire is extruded into sheet feed stacker in the place ahead with this, therefore can be according to the shape on inclined-plane, change the position and the relation of extruding between the power of sheet feed stacker, can have bigger degree of freedom to set magnitude relationship with respect to the mobile power of extruding of described sheet feed stacker.
Description of drawings
Fig. 1 is the sectional view of the image processing system of expression embodiment.
Fig. 2 a, 2b, 2c are the stationary installation of the sheet feed stacker of expression embodiment, wherein, Fig. 2 a is in the figure of sheet feed stacker of receiving state for expression, the figure of the sheet feed stacker that Fig. 2 b is drawn out of for expression, and Fig. 2 c is the position of expression sheet feed stacker and the chart of extruding the relation between the power of sheet feed stacker.
Fig. 3 a, 3b are the figure of the major part of the stationary installation of the sheet feed stacker of expression second embodiment, and wherein, Fig. 3 a is the position of expression sheet feed stacker and the chart of extruding the relation between the power of sheet feed stacker for the figure of the inclined plane part of expression formation stationary installation, Fig. 3 b.
Fig. 4 is the figure of the stationary installation of the sheet feed stacker of expression the 3rd embodiment.
Fig. 5 is the planimetric map of the existing paper feed tray fixing device of expression.
Main symbol description:
1 is image processing system, and 9 is light source, and 10 are contact glass, 11 is optical system, and 12 is photoreceptor, and 14 is imagescope, 15 are the transfer printing separated part, and 17 is fixing device, 19,20 is sheet feed stacker, 200 is stationary installation, and 210 is sheet feed stacker, and 220 is inclined plane part, 221 is the inclined-plane, and 240 is the inclined-plane extruder member, and 241 is roller (contact component), 242 is disc spring (extruder member), 250 is lock buckling part, and 251 is hook part, and 252 is operating portion, 253 is axle, 260 is apparatus main body (image processing system main body), and 261 is jut, and 300 is stationary installation, 321a, 321b is the inclined-plane, 400 is stationary installation, and 410 is the inclined-plane extruder member, and 411 is axle, 412 is arm member, and 413 is disc spring.
Preferred forms of the present invention
Below, based on description of drawings preferred forms of the present invention.
[embodiment]
Below, image processing system of the present invention is described.Fig. 1 is the sectional view of the image processing system of expression embodiment.This image processing system 1 will be configured in the reflected light that the original copy of contact on the glass 10 shone by light source 9 by optical system 11 and shine photoreceptor 12, the sub-image that is formed on this photoreceptor 12 with 14 pairs of imagescopes carries out video picture, and in transfer printing separated part 15 it is transferred on the publication grade, carry out photographic fixing with fixing device 17.In the drawings, 13 expressions make the charged charged device of photoreceptor 12,16 expressions are used to remove the clearing apparatus of the residual China ink of photoreceptor 12,18 expressions are used to carry out a pair of roller of the location of publication grade, 19 expressions are used to hold first sheet feed stacker of big publication grade, 20 expressions, second sheet feed stacker, 22 expression transport passage for transporting, the manual paper feeding portion of 23 expression printings, L1, L2, L3, L4 represent guide rail. Sheet feed stacker 19,20 is extracted to replenishes publication grade when the front side among the figure, is pushed into the inboard and is configured in preposition.
The following describes the stationary installation of the sheet feed stacker of embodiment.Because above-mentioned two sheet feed stacker 19,20 have identical structure, be that example describes only below therefore with a sheet feed stacker.Fig. 2 a, 2b, 2c are the stationary installation of the sheet feed stacker of expression embodiment, wherein, Fig. 2 a is in the figure of sheet feed stacker of receiving state for expression, the figure of the sheet feed stacker that Fig. 2 b is drawn out of for expression, and Fig. 2 c is the position of expression sheet feed stacker and the chart of extruding the relation between the power of sheet feed stacker.
The stationary installation 200 of present embodiment has following structure.Be fixed with guide rail (not shown) on the apparatus main body 260, sheet feed stacker 210 (19,20) can be slided along fore-and-aft direction (left and right directions among the figure) on guide rail.Sheet feed stacker 210 can be inserted along this guide rail, and is configured on the predetermined reception position.Sheet feed stacker 210 only is configured in predetermined reception position, could provide publication grade to image processing system.
As application of force unit, sheet feed stacker 210 has side (left side among the figure) within it and forms inclined plane part 220 that the pitch angle that inwards descends is the inclined-plane 221 of α, has inclined-plane extruder member 240 in the inboard of the described reception position of apparatus main body 260.Inclined-plane extruder member 240 has roller 241 and compressed disc spring 242, and roller 241 is the contact components when inserting sheet feed stacker 210, and disc spring 242 is the extruder members that push towards the below.When sheet feed stacker 210 is inserted into reception position, roller 241 contact inclined-planes 221, roller 241 is subjected to the acting force of disc spring 242 and pushes inclined-plane 221 when further inserting, and effect is extruded into power when front side (the arrow C direction among the figure) with sheet feed stacker 210 on the sheet feed stacker 210.
And,, dispose latching system 250 on the sheet feed stacker 210 as lock buckling part.This latching system 250 is that an end is formed with the parts that hook part 251, the other end are formed with operating portion 252, by axle 253 rotatable be mounted freely on sheet feed stacker 210 when front end one side (the right-hand member side among the figure).Be formed with jut 261 on the apparatus main body 260, when sheet feed stacker 210 was configured in the precalculated position, jut 261 blocked the hook part 251 of lock buckling part 250.According to this structure, by operating operation portion 252, latching system 250 can be selected to forbid to be configured in the locking state that the sheet feed stacker 210 of reception position moves and allow to be configured in any one state in the released state that the sheet feed stacker of described reception position moves.
When utilizing this stationary installation 200, be inserted into apparatus main body 260 and be configured under the state of predetermined reception position in sheet feed stacker 210, shown in Fig. 2 (a), the inclined-plane 221 of inclined plane part 220 is pushed by roller 241 and acting force that sheet feed stacker 210 is scheduled to is pressed towards and works as the front side, the hook part 251 of lock buckling part 250 is stuck in the jut 261 of apparatus main body 260 simultaneously, thereby makes sheet feed stacker 210 be positioned preposition.
In addition, when extracting sheet feed stacker 210 out,, remove the fastening state between hook part 251 and the jut 261 by the operating portion 252 of operation lock buckling part 250.In view of the above, sheet feed stacker 210 be subjected to being applied in inclined-plane 221 as the power of the extruding f of the component of the directed force F of roller 241 and trend towards the arrow C side.At this moment, owing to the directed force F of roller 241 can change along with the extraction action of sheet feed stacker 210, therefore extrude power f and also can change.Among Fig. 2 (c) this variation has been shown.
According to this example, the power of extruding of sheet feed stacker 210 can reduce with certain gradient along with the extraction action of sheet feed stacker 210, and disappears when roller 241 leaves inclined-plane 221.
Therefore, according to the stationary installation 200 of present embodiment, extrude power f and leave reception position along with sheet feed stacker 210 and reduce, and when roller 241 leaves inclined-plane 221, disappear.
The following describes the second embodiment of the present invention.Fig. 3 a, 3b are the figure of the major part of the stationary installation of the sheet feed stacker of expression second embodiment, and wherein, Fig. 3 a is the position of expression sheet feed stacker and the chart of extruding the relation between the power of sheet feed stacker for the figure of the inclined plane part of expression formation stationary installation, Fig. 3 b.In the stationary installation 300 of the sheet feed stacker of present embodiment, the dip plane that is configured in the inclined plane part 220 of sheet feed stacker is made of two of different gradients continuous inclined-plane 321a, 321b.In the present embodiment, the gradient of the inclined-plane 321a of sheet feed stacker 210 sides is greater than the gradient of the inclined-plane 321b of inboard.At this, the front side (right side among the figure) of working as of sheet feed stacker 210 is provided with the lock buckling part (not shown) identical with above-mentioned first embodiment.
According to present embodiment, the power of extruding of sheet feed stacker is except the acting force decision by the compression spring that pushes roller 241, and also the gradient by inclined- plane 321a, 321b is determined.Therefore, according to present embodiment, shown in Fig. 3 (b), at roller 241 during to inclined-plane 321a acting force, the power of extruding of sheet feed stacker 210 reduces with certain gradient, when roller 241 when inclined-plane 321b applies power, the power of extruding of sheet feed stacker 210 reduces with the gradient less than above-mentioned gradient, when roller 241 left inclined-plane 321b, the power of extruding disappeared.
At this,,, then has following effect if the power of extruding is set near the reception position of sheet feed stacker 210 big as each above-mentioned embodiment.Promptly, even the user is received into reception position to sheet feed stacker with excessive power, also can reduce the impact that is applied to sheet feed stacker or apparatus main body, can prevent that device structural body is damaged or the paper turmoil, can also pull out handle when removing the latching system of sheet feed stacker the user, because sheet feed stacker ejects with the good impetus at first, the therefore state that can allow the user feel that the latching system of sheet feed stacker is disengaged, sheet feed stacker is extruded at leisure then, can avoid bringing danger to the user.
The foregoing description is that the gradient with the power of extruding of sheet feed stacker becomes two sections example, therefore the situation that forms two sections gradients is illustrated, but can with variform the different inclined-plane of gradient be set at rake as required.And in the above-described embodiments, beveled becomes flat shape, but can also form curved surface.
The following describes the 3rd embodiment.Fig. 4 is the figure of the stationary installation of the sheet feed stacker of expression the 3rd embodiment.The stationary installation 400 of the sheet feed stacker of present embodiment is identical with the stationary installation of above-mentioned first embodiment, has inclined plane part 220 and lock buckling part 250 on sheet feed stacker 210.In the present embodiment, the roller 241 that contacts with the inclined-plane 221 of inclined plane part 220 with 410 extruding of inclined-plane extruder member.Inclined-plane extruder member 410 comprises arm member 412 and disc spring 413, one end axle support rollers 241 of arm member 412 so that roller 241 rotate freely, the other end is mounted freely on the apparatus main body 260 arm member 412 rotations by axle 411, and disc spring 413 is configured in above-mentioned arm member 412 between the Support Position of described axle 411 and roller 241.Disc spring 413 with by the state configuration upheld between arm member 412 and apparatus main body 260, be that the center applies acting force to arm member 412 and makes roller 241 press to inclined-plane 221 with axle 411.
According to present embodiment,, make the setting degree of freedom of the intensity etc. of disc spring 413 become big because therefore disc spring 413 the phenomenon that disc spring falls down can not take place with by the state configuration upheld.When as first and second embodiment, adopting direct use disc spring when roller applies the structure of acting force, fall down in order to prevent disc spring 242, have to use the height disc spring little with respect to the ratio of diameter, this is restricted the setting range of the power of extruding.And, with regard to direct use disc spring applies structure from power to roller,, also become crooked state easily even disc spring does not fall down, therefore be difficult to make the power of extruding stable.But the 3rd embodiment can prevent that this phenomenon from taking place.
In sum, according to the present invention, by disposing contact component being located on the inclined-plane of sheet feed stacker, produce the acting force that desire is extruded into sheet feed stacker in the place ahead with this, therefore can be according to the shape on inclined-plane, change the position of sheet feed stacker and extrude relation between the power, can have bigger degree of freedom to set magnitude relationship with respect to the power of extruding that moves of sheet feed stacker.
Claims (4)
1. paper feed tray fixing device, comprise application of force unit, select to forbid to be configured in the locking state that the sheet feed stacker of described reception position moves and allow to be configured in the latching system of any one state in the released state that the sheet feed stacker of described reception position moves the power of the anti-direction of insertion of sheet feed stacker effect of the reception position that is inserted into the image processing system main body, described paper feed tray fixing device is characterised in that
Described application of force unit comprises inclined plane part and inclined-plane extruder member, inclined plane part is configured in described sheet feed stacker and has towards described direction of insertion inclined downward, and the inclined-plane extruder member comprises the contact component that is configured in described image processing system main body and can contacts with the inclined-plane of described inclined plane part and makes described contact component apply the force application part of acting force to described inclined plane part.
2. the stationary installation of sheet feed stacker according to claim 1 is characterized in that, described contact component is rotating roller shape parts.
3. the stationary installation of sheet feed stacker according to claim 1 and 2 is characterized in that, described inclined plane part has different a plurality of inclined-planes, pitch angle.
4. an image processing system is characterized in that, has the stationary installation as any described sheet feed stacker in the claim 1 to 3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-325002 | 2008-12-22 | ||
| JP2008325002A JP5182585B2 (en) | 2008-12-22 | 2008-12-22 | Feed tray fixing device and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101763001A true CN101763001A (en) | 2010-06-30 |
| CN101763001B CN101763001B (en) | 2012-08-22 |
Family
ID=42494225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102583329A Active CN101763001B (en) | 2008-12-22 | 2009-12-10 | Paper feed tray fixing device and image forming device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5182585B2 (en) |
| CN (1) | CN101763001B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263878A (en) * | 2016-12-30 | 2018-07-10 | 虹光精密工业股份有限公司 | Paper tray drawer and multifunctional office machine applying same |
| CN108622683A (en) * | 2017-03-23 | 2018-10-09 | 精工爱普生株式会社 | Cover body, medium accepting box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5818421B2 (en) * | 2010-11-09 | 2015-11-18 | キヤノン株式会社 | Unit moving device and image forming apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS638675Y2 (en) * | 1977-02-24 | 1988-03-15 | ||
| JPS5570642A (en) * | 1978-11-24 | 1980-05-28 | Canon Inc | Casset mounting device |
| JPS5578635U (en) * | 1978-11-24 | 1980-05-30 | ||
| JP3296598B2 (en) * | 1992-08-28 | 2002-07-02 | 株式会社リコー | Paper feeder |
| JP3391159B2 (en) * | 1995-08-28 | 2003-03-31 | 富士通株式会社 | Media transport device |
| JPH09216738A (en) * | 1995-12-08 | 1997-08-19 | Ricoh Co Ltd | Image forming device |
| JP2003089439A (en) * | 2001-09-19 | 2003-03-25 | Konica Corp | Image forming device |
| JP4701103B2 (en) * | 2005-04-26 | 2011-06-15 | キヤノン株式会社 | Sheet feeding apparatus and image forming apparatus |
-
2008
- 2008-12-22 JP JP2008325002A patent/JP5182585B2/en active Active
-
2009
- 2009-12-10 CN CN2009102583329A patent/CN101763001B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263878A (en) * | 2016-12-30 | 2018-07-10 | 虹光精密工业股份有限公司 | Paper tray drawer and multifunctional office machine applying same |
| CN108263878B (en) * | 2016-12-30 | 2020-09-25 | 虹光精密工业股份有限公司 | Paper tray drawer and multifunctional office machine applying same |
| CN108622683A (en) * | 2017-03-23 | 2018-10-09 | 精工爱普生株式会社 | Cover body, medium accepting box |
| CN108622683B (en) * | 2017-03-23 | 2020-03-13 | 精工爱普生株式会社 | Cover body and medium storage box |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010143738A (en) | 2010-07-01 |
| CN101763001B (en) | 2012-08-22 |
| JP5182585B2 (en) | 2013-04-17 |
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