CN1178795C - Paper pickup device in paper feeding cassette - Google Patents
Paper pickup device in paper feeding cassette Download PDFInfo
- Publication number
- CN1178795C CN1178795C CNB981246737A CN98124673A CN1178795C CN 1178795 C CN1178795 C CN 1178795C CN B981246737 A CNB981246737 A CN B981246737A CN 98124673 A CN98124673 A CN 98124673A CN 1178795 C CN1178795 C CN 1178795C
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- China
- Prior art keywords
- axle
- sheet feed
- feed cassette
- groove
- curved slot
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
- B65H1/266—Support fully or partially removable from the handling machine, e.g. cassette, drawer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/12—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
A paper pick-up device in a paper feeding cassette has a knock-up plat and a compressed coil spring under the knock-up plate for pressing up the knock-up plate and providing a paper pick-up force. To enable papers of different sizes and, thus, different weights to be reliably picked up at least one adjustable pressing means is installed inside the frontal section of the paper feeding cassette for adding an adjustable pressure to the upward pressure exerted by the compressed coil spring.
Description
Technical field
The present invention relates to the sheet feed cassette in a kind of laser printer (LBP) that utilizes the electrostatic development method, relate in particular to a kind of paper twisting device, this device can keep a stacker always to be in the position that can have been rubbed with the hands.
Background technology
Electrostatic development is generally used on chopping machine, duplicator, LBP, the facsimile apparatus etc.Said apparatus is equipped with the sheet feed cassette that is used to hold plurality of sheets of paper, and sheet feed cassette has paper twisting device, and this paper twisting device can keep a stacker always to be in the position that can have been rubbed with the hands.
Fig. 1 is the transparent view of traditional sheet feed cassette.As shown in Figure 1, traditional sheet feed cassette is universal, comprises in guide plate 201 and the guide plate 202 at least one, and above-mentioned guide plate is used to adjust the position of the paper with different length and width, so that hold the paper of different size.Sheet feed cassette 200 comprises a top board 203 that is used for loaded paper, and this top board 203 is flexiblely being supported by one or more coil compression springs 204.This coil compression springs 204 is upwards being pressed top board 203, so that make the paper on the top board 203 be in the position that can have been rubbed with the hands.Under the effect of pickup roller (not shown) and pointer (not shown), paper interior many is conducted to the registration roller (not shown) from top board 203.When pickup roller rotated, uppermost paper and pickup roller were kept in touch and are transferred by the friction force between paper and the pickup roller in the stacker.
In said structure, sheet feed cassette 200 is supplied with the paper of various sizes (as A4 size, letter size, OHP film size) as recording medium.Various paper are size, thickness difference not only, and its weight also is inequality.
The mechanism of rubbing the paper position with the hands is set utilizes one or two the compressed wind spring under the top board 203 to carry out, this mechanism can not handle the paper that varies in weight.In addition, according to the kind difference of paper, different loads is applied on the general sheet feed cassette that can hold 500 paper at most.A4 paper is compared with A6 paper, and A6 paper is applied to load on the paper disc and is greater than A4 paper and is applied to load on the paper disc.The difference of paper-rubbing force causes paper supply to become unreliable.
Japanese patent application JP-A-9-30663 discloses a kind of paper feed, but it and fail to address the above problem.
Summary of the invention
Therefore, one object of the present invention is to provide the paper twisting device in a kind of sheet feed cassette, and this device can have been rubbed the paper of different size, Different Weight with the hands reliably.
Another object of the present invention is to provide the paper twisting device in a kind of sheet feed cassette, and this device can be controlled the size of paper-rubbing force amount.
Another object of the present invention is to provide the paper twisting device in a kind of sheet feed cassette, just can control the size of this device paper-rubbing force by the shirtsleeve operation user.
According to the paper twisting device in a kind of sheet feed cassette that has a top board of the present invention, comprising: a coil compression springs of being located under the top board, this wind spring are used for upwards having pressed top board and paper-rubbing force being provided; A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge; A curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette; An axle, the curved slot on the front portion that is arranged in sheet feed cassette is inserted at its two ends highlightedly; A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge; An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region; A link, these parts extend to certain-length from every end of hinge axis along the direction perpendicular to accessory plate, are provided with drive part at this ends; An elastomeric element, the one end links to each other with each end of axle, and its other end links to each other with the drive part of each link, so that there are tensile force to each other in axle and link.
Another kind has the paper twisting device in the sheet feed cassette of top board according to the present invention, and comprising: be located at the coil compression springs under the top board, this wind spring is used for upwards having pressed top board and paper-rubbing force being provided; First curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette; An axle, the curved slot on the front portion that is arranged in sheet feed cassette is inserted at its two ends highlightedly; A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge; An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region; A link, these parts extend to certain-length from every end of hinge axis along the direction perpendicular to accessory plate, are provided with first drive part on an end of these parts, are provided with second drive part on the other end of these parts; One first elastomeric element, the one end links to each other with every end of axle, and its other end links to each other with first drive part of each link, so that there are tensile force to each other in axle and link; Second curved slot, this groove are formed on each sidewall of sheet feed cassette; A fixed parts that is positioned at sheet feed cassette; A lever, this lever are bent to two parts, and a lever end of lever is inserted in second groove highlightedly, and another lever end rotatably is connected with fixed parts by hinge; A near brake equipment that is located at second groove, this device is used to stop the motion of lever end; One second elastomeric element, the one end links to each other with second drive part of an adaptor union, and its other end links to each other with lever end, so that there are tensile force to each other in axle and link.
According to of the present invention another have paper twisting device in the sheet feed cassette of top board, comprising: a coil compression springs of being located under the top board, this wind spring are used for upwards having pressed top board and paper-rubbing force being provided; First curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette; A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge; An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region; A front portion that is arranged on sheet feed cassette is used for upwards having pressed the device of accessory plate, to increase the upward pressure of coil compression springs.
By the reference accompanying drawing most preferred embodiment of the present invention is given after the detailed explanation, it is clearer that above-mentioned purpose of the present invention and advantage will become.
Description of drawings
Fig. 1 is the transparent view of traditional sheet feed cassette;
Fig. 2 is the transparent view of the sheet feed cassette in one embodiment of the present of invention;
Fig. 3 is the perspective illustration of the paper twisting device in one embodiment of the present of invention;
Fig. 4 is the partial side view of the paper twisting device in one embodiment of the present of invention, is used to explain the position of axle when tension coil springs is not strained;
Fig. 5 is the partial side view of the paper twisting device in one embodiment of the present of invention, is used to explain the position of axle when tension coil springs is strained;
Fig. 6 is the transparent view of the sheet feed cassette in an alternative embodiment of the invention;
Fig. 7 is the perspective illustration of the paper twisting device in the second embodiment of the present invention;
Fig. 8 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the position of axle, lever when first tension coil springs and second tension coil springs are not all strained;
Fig. 9 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the only position of axle, lever when first tension coil springs is strained;
Figure 10 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the position of axle, lever when first tension coil springs and second tension coil springs are all strained.
The specific embodiment
Below, with reference to accompanying drawing, most preferred embodiment of the present invention is given detailed explanation.It should be noted that same in the accompanying drawings Reference numeral represents same parts, simultaneously for make theme of the present invention clear for the purpose of, omit the known correlation function among the present invention or the detailed description of structure.
Fig. 2 is the transparent view of the sheet feed cassette in one embodiment of the present of invention; Fig. 3 is the perspective illustration of the paper twisting device in one embodiment of the present of invention.
With reference to Fig. 2, paper twisting device is arranged in the front portion 14 of sheet feed cassette 10, and top board 13 is installed on the bottom surface of sheet feed cassette 10 and can be with respect to a sideway swivel of sheet feed cassette 10.One or more guide plate parts 11 and guide plate parts 12 are installed in the sheet feed cassette 10, these guide plate parts 11, guide plate parts 12 can be respectively along the paper supply direction, move perpendicular to the paper supply direction, so that adjust the position of paper respectively with different length, width.
Curved slot 16 is formed on the front portion of each sidewall 15 of sheet feed cassette 10, so that axle 20 is inserted wherein movably.Be formed with a pan on a side of each curved slot 16, this hole is used to insert hinge axis 30.The both ends of curved slot 16 are round shape, and this circle diameter is greater than the width of curved slot 16, so that with axle 20 location.
Referring now to accompanying drawing 3, rotatably extend by the pan on the paper twisting device at the two ends of hinge axis 30.Be provided with an accessory plate 31 below the top board 13,30 extensions of this accessory plate 31 along the paper supply direction from hinge axis.Link 32 is from the both ends vertical extent of hinge axis 30, and this link 32 upwards exerts pressure for accessory plate 31 as a lever, and this link 32 is formed with a drive part 33 at the one end.That is, accessory plate 31, link 32 and drive part 33 all form as a whole with hinge axis 30.
In the curved slot 16 on the two side 15 of the sheet feed cassette 10 that the axle insertion of certain-length is shown in Figure 2, extend by curved slot 16 at the two ends of axle 20 simultaneously.For preventing that axle 20 breaks away from from curved slot 16, be formed with the fitting recess 21 of certain depth on the excircle of each end of axle 20, axle 20 is fixed in the curved slot 16.Therefore, axle 20 can move along curved slot 16 under user's operation.
Elastomeric element links to each other the end of axle 20 with the drive part 33 of link 32, so that there are tensile force to each other in axle 20 and link 32.In the present invention, tension coil springs 40 is used as this elastomeric element.
In above-mentioned paper twisting device, the user moves along the direction shown in Fig. 3 arrow A axle 20 in curved slot 16, thereby changes the tensile force that is applied to the tension coil springs 40 on the link 32.Therefore, accessory plate 31 gives that top board 13 applied upward pressure with respect to the lower end of link 32 form one hinge axis 30, change with the direction shown in the arrow B of Fig. 3.
Fig. 4 is the partial side view of the paper twisting device among first embodiment of the present invention, is used to explain the position of axle when tension coil springs is not strained;
As shown in Figure 4, when axle 20 was in a position of the curved slot 16 on the sidewall of sheet feed cassette, this stacker had been forced down top board 13, but not tension and have only the upwarding pressure of pressure spring (not shown) under the top board 13 to be applied on the top board 13 of tension coil springs 40.In this case, the paper load is less.
Fig. 5 is the partial side view of the paper twisting device among first embodiment of the present invention, is used to explain the position of axle when tension coil springs is strained.
As shown in Figure 5, when axle 20 was in the b position of curved slot 16, this stacker had been forced down top board 13.Like this, link 32 moves around hinge axis 30, and tension coil springs 40 exists certain tensile force.Like this, pressure spring is by accessory plate 31 coping 13 upwards.In this case, the paper load is bigger.
In the first embodiment of the present invention, accessory plate upwards exerts pressure for top board 13 with a step.
In the second embodiment of the present invention, by two elastic components, preferably tension coil springs is divided two step work to accessory plate at least.
Fig. 6 is the transparent view of the sheet feed cassette among second embodiment of the present invention; Fig. 7 is the perspective illustration of the paper twisting device among second embodiment of the present invention.
As shown in Figure 6, paper twisting device is arranged in the front portion 114 of sheet feed cassette 100, and top board 113 is installed on the bottom surface of sheet feed cassette 100 and can be with respect to a sideway swivel of sheet feed cassette 100.One or more guide plate members 111 and guide plate member 112 are installed in the sheet feed cassette 100, this guide plate member l11, guide plate member 112 can be respectively along the paper supply direction, move perpendicular to the paper supply direction, so that adjust the position of paper respectively with different length, width.
The locking device 170 that will have definite shape is arranged on the top of second groove 117, to guarantee that this locking device 170 covers the bottom of second groove 117 around hinge axis 171 rotations, when locking device 170 covered the bottom of locking device 170, drg 173 limited the rotation of locking device 170 from second groove, 117 lower process.Be that being provided with of locking device 170 used so that it can freely move around hinge axis 171, and it is fixing to be braked device 173, and the part cover second groove 117.Operate for the convenience of the user, be provided with knob 172 on the outside face of locking device 170 highlightedly.
Referring now to accompanying drawing 7, rotatably extend by the pan on the paper twisting device at the two ends of hinge axis 130.Be provided with an accessory plate 131 below the top board 13,130 extensions of this accessory plate 131 along the paper supply direction from hinge axis.Link 132 is from each end vertical extent at the both ends of hinge axis 130, this link 132 upwards exerts pressure for accessory plate 131 as a lever, and this link 132 is formed with one first drive part 133 and second drive part 134 that extends from first drive part 133 at the one end.That is, accessory plate 131, link 132 and first drive part 133, second drive part 134 all form as a whole with hinge axis 130.
First elastomeric element links to each other the end of axle 120 with first drive part 133 of each link 132, so that there are tensile force to each other in axle 120 and link 132.In the present invention, tension coil springs 140 is used as this first elastomeric element.
One side of accessory plate 131 is provided with a lever 150, and this lever 150 becomes two parts with certain angular bend.One end 151 of lever 150 inserts in second groove 117 highlightedly, and the other end 152 of lever 150 rotatably is connected with fixed parts 160.Therefore, lever end 151 is with respect to lever end 152 rotations.The lever end 151 and the lever end 152 of lever 150 have round section, so that move or rotation.
Second elastomeric element links to each other lever end 151 with second drive part 134 of link 132, so that there are tensile force to each other in lever 150 and link 132.This second elastomeric element is tension coil springs preferably, referring to following second tension coil springs 141 that is used as second elastomeric element.
In above-mentioned paper twisting device, the user moves along the direction shown in the arrow A of Fig. 7 axle 120 in first groove 116, thereby changes the tensile force that is applied to the tension coil springs 40 on the link 32.Simultaneously, when the lever end 151 that protrudes in second groove 117 when the direction shown in the arrow C of Fig. 7 moves, the tensile force that is applied on the link 132 changes once more.Like this, accessory plate 131 variation that imposes on the upward pressure that top board 113 applies can divide two steps to carry out along the direction shown in the arrow B of Fig. 7.
Fig. 8 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the position of axle and lever when first tension coil springs and second tension coil springs are not all strained;
As shown in Figure 8, when axle 120 is in a position of first groove 116 on the sidewall of sheet feed cassette and lever end 151 when being in the c position of second groove 117, this stacker has been forced down top board 113, but first tension coil springs 140 and second tension coil springs 141 all are not in tension and only have upwarding pressure of the pressure spring be located under the top board 113 (not shown go out) to be applied on the top board 113.In this case, the paper load is less.
Fig. 9 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the only position of axle and lever when first tension coil springs is strained.
As shown in Figure 9, when axle 20 is in the b position of first groove 116 and lever end 151 when being in the c position of second groove 117, this stacker has been forced down top board 113, like this, link 132 moves around hinge axis 130, and only first tension coil springs 140 exists certain tensile force.Like this, on the basis that upwards pressure of pressure spring, accessory plate 131 enriches certain power to top board 113.In this case, the paper load is loaded greater than the paper among Fig. 8.
Figure 10 is the partial side view of the paper twisting device in the second embodiment of the present invention, is used to explain the position of axle and lever when first tension coil springs and second tension coil springs are all strained.
As shown in figure 10, when axle 20 is in the b position of first groove 116 and lever end 151 when being in the d position of second groove 117, this stacker has been forced down top board 113. like this, and first tension coil springs 140 and second tension coil springs 141 are applied with tensile force for simultaneously link 132.Like this, accessory plate 131 power that imposes on top board 113 is greater than the power that accessory plate 131 among Fig. 9 imposes on top board 113.In this case, the paper load is loaded greater than the paper among Fig. 9.
In Figure 10, when lever end 151 when move the d position of second groove 117, this lever end 151 promotes an end of locking devices 170, locking device 170 is around hinge axis 171 rotations then.At last, lever end 151 is set at the d position of second groove 117, and when the motion of locking device 170 was subjected to the restriction of drg 173, locking device 170 turned back to its initial position.Lever end 151 is in this position under the restriction of locking device 170 and drg 173, be subjected to the tensile force of second tension coil springs 141 simultaneously.On the other hand, for lever end 151 being moved to the c position of second groove 117, the user can utilize knob 172 with the certain angle of locking device 170 left-hand revolutions.Then, under the tensile force effect of second tension coil springs 141, lever end 151 is moved to the c position of second groove 117, and second tension coil springs 141 is recovered relaxed state.
In the second embodiment of the present invention, the user just can increase the pressure that imposes on top board 113 by the axle 120 that inserts highlightedly in first groove 116 is reached the control of passing through the lever end 151 of second groove 117 highlightedly.
As mentioned above, the invention has the advantages that: the user can control paper-rubbing force according to the paper payload of different size in the sheet feed cassette of LBP and quantity.
Though the present invention is had been described in detail with reference to embodiment, above-mentioned only is example.Therefore, to those skilled in the art, within protection scope of the present invention, also have many distortion.
Claims (21)
1. the paper twisting device in the sheet feed cassette that has a top board comprises:
A coil compression springs of being located under the top board, this wind spring are used for upwards having pressed top board and paper-rubbing force being provided;
A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge;
A curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette;
An axle, the curved slot on the front portion that is arranged in sheet feed cassette is inserted at its two ends highlightedly;
A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge;
An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region;
A link, these parts extend to certain-length from every end of hinge axis along the direction perpendicular to accessory plate, are provided with drive part at this ends;
An elastomeric element, the one end links to each other with each end of axle, and its other end links to each other with the drive part of each link, so that there are tensile force to each other in axle and link.
2. paper twisting device according to claim 1, wherein this elastomeric element is a tension coil springs.
3. paper twisting device according to claim 1 wherein for preventing that axle breaks away from from curved slot, is formed with the fitting recess of certain depth on the excircle of each end of edge axle.
4. paper twisting device according to claim 1, wherein the both ends of curved slot are round shape, this circle diameter greater than the width of curved slot, so that axle easily can be moved and is fixed in the groove.
5. the paper twisting device in the sheet feed cassette that has a top board comprises:
Be located at the coil compression springs under the top board, this wind spring is used for upwards having pressed top board and paper-rubbing force being provided;
First curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette;
An axle, the curved slot on the front portion that is arranged in sheet feed cassette is inserted at its two ends highlightedly;
A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge;
An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region;
A link, these parts extend to certain-length from every end of hinge axis along the direction perpendicular to accessory plate, are provided with first drive part on an end of these parts, are provided with second drive part on the other end of these parts;
One first elastomeric element, the one end links to each other with every end of axle, and its other end links to each other with first drive part of each link, so that there are tensile force to each other in axle and link;
Second curved slot, this groove are formed on each sidewall of sheet feed cassette;
A fixed parts that is positioned at sheet feed cassette;
A lever, this lever are bent to two parts, and a lever end of lever is inserted in second groove highlightedly, and another lever end rotatably is connected with fixed parts by hinge;
A near brake equipment that is located at second groove, this device is used to stop the motion of lever end;
One second elastomeric element, the one end links to each other with second drive part of an adaptor union, and its other end links to each other with lever end, so that there are tensile force to each other in axle and link.
6. paper twisting device according to claim 5, wherein this first, second elastomeric element is tension coil springs.
7. paper twisting device according to claim 5 wherein for preventing that axle breaks away from from first curved slot, is formed with the fitting recess of certain degree of depth on the excircle of each end of edge axle.
8. paper twisting device according to claim 5, wherein the both ends of first curved slot are round shape, this circle diameter greater than the width of first curved slot, so that axle easily can be moved and is fixed in first groove.
9. paper twisting device according to claim 5, wherein brake equipment comprises:
A locking device, this locking device are installed in the top of second groove on the sidewall of sheet feed cassette by hinge, be used for covering partly second groove; With
A drg of giving prominence to from second groove below is used to limit the rotation of locking device.
10. paper twisting device according to claim 9, wherein this locking device comprises a knob, this knob outwards is arranged on the outside face of locking device highlightedly, so that the user operates.
11. the paper twisting device in the sheet feed cassette that has a top board comprises:
A coil compression springs of being located under the top board, this wind spring are used for upwards having pressed top board and paper-rubbing force being provided;
First curved slot, this groove is formed at the front portion of each sidewall of sheet feed cassette;
A hinge axis, this rotatably is connected on the two side of sheet feed cassette by hinge;
An accessory plate of being located under the top board, this accessory plate is from the extension of hinge axial region;
A front portion that is arranged on sheet feed cassette is used for upwards having pressed the device of accessory plate, to increase the upward pressure of coil compression springs.
12. paper twisting device according to claim 11, wherein this pressure device comprises:
A curved slot, this groove are formed on the front portion of each sidewall of sheet feed cassette;
An axle, the curved slot on the front portion that is arranged in sheet feed cassette is inserted at its two ends highlightedly;
A link, these parts are provided with a drive part along perpendicular to the every end extension from hinge axis of the direction of accessory plate on an end of these parts;
One first elastomeric element, the one end links to each other with every end of axle, and its other end links to each other with the drive part of each link, so that there are tensile force to each other in axle and link.
13. paper twisting device according to claim 12, wherein this elastomeric element is a tension coil springs.
14. paper twisting device according to claim 12 wherein for preventing that axle breaks away from from this curved slot, is formed with the fitting recess of certain depth on the excircle of each end of edge axle.
15. paper twisting device according to claim 12, wherein the both ends of this curved slot form round shape, this circle diameter greater than the width of this curved slot, so that axle easily can be moved and is fixed in this groove.
16. paper twisting device according to claim 11, wherein this pressure device comprises:
First curved slot, this groove are formed on the front portion of each sidewall of sheet feed cassette;
An axle, the curved slot on the front portion that is positioned at sheet feed cassette is inserted at its two ends highlightedly;
A link, these parts extend along the direction perpendicular to accessory plate from every end of hinge axis, are provided with one first drive part on an end of these parts, and the other end is provided with one second drive part;
One first elastomeric element, the one end links to each other with every end of axle, and its other end links to each other with first drive part of each link, so that there are tensile force to each other in axle and link;
Second curved slot, this groove are formed on the sidewall of sheet feed cassette;
A fixed parts that is positioned at sheet feed cassette;
A lever, this lever are bent to two parts, and an end of lever inserts in second groove highlightedly, and another lever end rotatably is connected with fixed parts by hinge;
A near brake equipment that is located at second groove, this device is used to stop the motion of lever end;
One second elastomeric element, the one end links to each other with second drive part of an adaptor union, and its other end links to each other with lever end, so that there are tensile force to each other in axle and link.
17. paper twisting device according to claim 16, wherein this first, second elastomeric element is a tension coil springs.
18. paper twisting device according to claim 16 wherein for preventing that axle breaks away from from this first curved slot, is formed with the fitting recess of certain depth on the excircle of each end of edge axle.
19. paper twisting device according to claim 16, wherein the both ends of this first curved slot all form round shape, this circle diameter greater than the width of this first curved slot, so that axle easily can be moved and is fixed in this first groove.
20. paper twisting device according to claim 16, wherein brake equipment comprises:
A locking device, this locking device are installed in the top of second groove on the sidewall of sheet feed cassette by hinge, be used for covering partly second groove;
A drg of giving prominence to from second groove below, this drg is used to limit the rotation of locking device.
21. paper twisting device according to claim 20, wherein this locking device comprises a knob, and this knob outwards is arranged on the outside face of locking device highlightedly, so that the user operates.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR27888/1997 | 1997-10-08 | ||
| KR27888/97 | 1997-10-08 | ||
| KR2019970027888U KR200186325Y1 (en) | 1997-10-08 | 1997-10-08 | Paper pick-up unit for paper cassette |
| KR30916/97 | 1997-11-03 | ||
| KR30916/1997 | 1997-11-03 | ||
| KR2019970030916U KR200189812Y1 (en) | 1997-11-03 | 1997-11-03 | Pick-up device for paper cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1222450A CN1222450A (en) | 1999-07-14 |
| CN1178795C true CN1178795C (en) | 2004-12-08 |
Family
ID=34380444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981246737A Expired - Fee Related CN1178795C (en) | 1997-10-08 | 1998-10-08 | Paper pickup device in paper feeding cassette |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0908405B1 (en) |
| CN (1) | CN1178795C (en) |
| DE (1) | DE69814284T2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408023A (en) * | 2011-06-10 | 2012-04-11 | 刘安成 | Paper separation incline |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785952A (en) * | 2012-08-20 | 2012-11-21 | 天津光电通信技术有限公司 | Paper bin structure for left-side feeding of office equipment |
| CN103660618B (en) * | 2013-11-21 | 2015-10-21 | 浙江大学 | Convenience paper extractor |
| CN109703214A (en) * | 2019-02-26 | 2019-05-03 | 天津光电通信技术有限公司 | A kind of laser printer paper storehouses of plain type adjust automatically paper type |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04286550A (en) * | 1991-03-11 | 1992-10-12 | Canon Inc | Sheet material feeding device |
| JPH07206180A (en) * | 1994-01-18 | 1995-08-08 | Canon Inc | Sheet feed device and image forming device |
| JP3375027B2 (en) * | 1995-07-21 | 2003-02-10 | 株式会社リコー | Paper feeder in image forming apparatus |
-
1998
- 1998-10-08 CN CNB981246737A patent/CN1178795C/en not_active Expired - Fee Related
- 1998-10-08 DE DE69814284T patent/DE69814284T2/en not_active Expired - Lifetime
- 1998-10-08 EP EP98119052A patent/EP0908405B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408023A (en) * | 2011-06-10 | 2012-04-11 | 刘安成 | Paper separation incline |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0908405A1 (en) | 1999-04-14 |
| EP0908405B1 (en) | 2003-05-07 |
| CN1222450A (en) | 1999-07-14 |
| DE69814284D1 (en) | 2003-06-12 |
| DE69814284T2 (en) | 2003-11-13 |
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Granted publication date: 20041208 Termination date: 20101008 |