TWI262166B - Automatic document feeder - Google Patents

Abstract

An automatic document feeder assembled in an office machine comprising a splitter, a roller, a slit, and a supporter is provided. The splitter is placed at a paper inlet of the office machine. The roller is placed above the support for driving the documents supported by the supporter. The slit is placed above the splitter and parallel to an upper surface of the splitter. The supporter is tilted interposed between the splitter and the roller with a front end attached on the splitter. In addition, a bump is formed beside the supporter and sliding in the slit to maintain the tilted angle of the supporter.

Description

1262166 V. Technical Field [Technical Field] The present invention relates to a paper feeder structure having a paper separation function, in particular, a paper feed roller having a fixed paper plate pressed onto a paper feed tray to perform a paper separation function The feeder structure. [Prior Art], Press, for the early computer users, the scanner is a rare device. Due to the high price of the early scanners, the operation is not = digital video! Processing work. Then ^ with the number = market. In the past: number: ten!! f: f or the easy-to-use scanner influx into the system, one of the indispensable parts. The computer can be distinguished from △, ί, where the platform is a personal studio: S〇H 〇 f 2 ^ j two main modes. In the platform scanning industry, the scanning paper, books or other scanning machines to be scanned - a small photocopying machine, sweeping the seedlings... With the scanning placed on the flat glass to enter the i-dimensional object, you can use the platform type. In addition to photos, books, etc. can also be scanned using the platform scan ^, three-dimensional relative to the platform-style sweeping into the cry. Initial scanning of a large amount of paper; ‘氏: The main function of the two-scan scanner is to improve the multi-page continuous sweep h.

--- Lost. However, the paper feed page

I 1262166 V. INSTRUCTIONS (2) The scanner is limited by its design, and it cannot be used as a platform scanner, aiming at a nailed document or photo, and also in order to improve the platform scanning. Dimensional objects. In addition to this, the platform scanner is connected to the automatic ^^ scanning speed, and some designs are proposed for scanning purposes, so that scanning large texts (J ADF) to achieve multiple pages of continuousness. It is worth noting that since = is easy. The piece feeds into the scanner. Therefore, the 1 machine a paper is fed into the scanner by friction, so as to reduce the focus. The first priority is to make the paper one by one. =^ The possibility of paper jam. Please refer to the item H0, wherein the paper feeding plate 120 is used to feed the paper board 120 and a paper feeding roller wheel 140 for the use of the paper 200, and the paper feeding roller is used for the gamma movement. The paper 2〇〇 is fed into the scanning crying one by one. The shaft is connected to a base 16〇, and its front end is adjacent to a Μ' Μ & 180 ° ten = anti-zero ^ / square, and in the paper feed The vermiculite between the pallet 1 2 0 and the base 1 60 has [shrinkage through 190 to provide a positive force to drive the paper feed tray 120 into the paper feed roller 140. Please take the first picture And the second figure, showing the relative position of the paper feed tray 120 and the paper feed roller 14 in the paper feeder state and the full paper state. As shown in the first figure, in the empty paper state, The angle between the paper feed tray 丨2 〇 and the split paperboard 180 is D1, and the length of the compression spring 190 is t丨. However, as shown in the second figure, in the full paper state, the paper feed tray The angle between the plate 丨 2 〇 corresponding to the dividing cardboard 180 is increased to D2, and the length of the compression spring 19 降低 is reduced to t2.

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V. INSTRUCTIONS In general, the positive force between the paper feed plate and the wheel and the paper feed plate, the angle, and the paper feed roll. When the paper feed tray and the split paperboard are lost:: Yes: the paper-cut effect produces a buckling effect, and the paper cannot be effectively separated. The j-piece is not easy to produce an excessively large angle between the bends, except that it is easy to cause the paper to feed the paper tray and The divided cardboard pieces cannot be rolled down smoothly. $夕卜, :,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, In addition, it will affect the scrolling of the paper, Ϊίΐ: 卜, 隹 f want to put the paper 2 〇 0 in front of the front of the feeder tray 12 of the first figure, so that the paper feeding tray 120 and the paper feeding, Gap, to insert into the paper... # π crying surname 1 pallet 1 2 〇 and the paper feed roller 1 40. The same, if you want to remove the paper from this f,, 4w... structure, you must also press the paper The pallet 120 pulls out the paper by taking out the paper, & or by external force. However, since the paper feeding tray 1 20 is deep into the feeder structure, the user is not easy to press the paper feeding tray 1 20 The crotch part is used to insert or remove the paper. Moreover, it is easy to cause the paper to be damaged if the paper is strongly inserted or pulled out. There are 4 monitors here. The paper feed plate must be as close as possible to the angle of the cardboard and compressed. The length of the spring is kept at a constant value to ensure consistent and effective paper separation in the case of different paper counts.

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V. INSTRUCTION OF THE INVENTION (4) The main object of the present invention is to provide a shortcoming of the paper feed tray and the paperboard in the conventional paper feeder structure of the paper feeder, so as to improve the paper feeding stability of the paper feeder structure. A purpose is to provide a paper feeder roller that does not provide a stable point in the conventional feeder structure of the feeder to provide a stable paper separation effect. Another object of the present invention is to provide a paper feeder user who presses the paper feed tray to separate from the paper feed roller for ease of removal. The piece of the invention comprises a part, wherein the front end of the paper feeding tray has a further extending end which is moved toward the extending portion and the upper part of the separating paperboard is separated from the cardboard, and the plate is slanted & slid For the side, the lower end of the lower end is fed with a paper roll on the paperboard of the hair feeder, which is located above, and is inserted into the separation paper to extend on the slippery paper piece, and the paper feed is pressed to separate the wheel from the top. The structure is equipped with a paper feed roller machine paper to drive the paper chute to the 77 paperboard and the upper surface of the feed plate. The dimensional pick-up is placed on the split cardboard pallet to the inverted edge of the raised cardboard. The e-pieces and spirits can be placed between a transaction, a chute and the entrance of the town, and fed into the parallel paper-feeding roller of the transaction machine, and the paper feed tray is fed in, and the paper tray is fed. Side. When it is centered, it is rotated to take the removal and set by the following structure to improve the angle unsustainability. The structure is designed to improve the lack of friction and the structure is convenient for the Tienan paper machine to be fed into the paper feed tray. And the paper feed roller. The chute is also located on the upper surface of the board. And the inclination angle of the side of the paper tray. The board has a paper tray and then rotates. At the same time, the paper tray is moved to the right to the details of the invention and 1262166. 5. The invention is further understood. [Embodiment] -r = According to Fig. 5, the paper feeder structure 3 of the present invention is not in the case of a better example. The paper feeder structure 3 can be placed on a machine such as a scanner and a facsimile machine, and the clothes are placed on the shirt P machine. The purpose of the operation is continued. The paper feeding machine 2 of the present invention; 3: the feeding bag 38., a locking paper roller 34. ' _ chute 36 〇 plate shrinking elastic. Its wide distribution cardboard 3_ is located in the feeding two board 1 That is, the feeding device feeds the inlet. The paper feeding roller 340 is located above the extension plate 380. The moving paper member 2〇〇 moves downward, and the feeding chutes are fed one by one. And it goes toward the upper surface of the cardboard board 38〇a. The paper feed tray 32 is inserted obliquely between the paperboards/paper feed rollers 340 and has an angle A with the paperboard 38(). The front end of the pallet 32 〇, "surface 380a, 1 and its side is inside the two-knife cardboard. Another ice p ^ ^ ^ protrusion 322 is slid into the chute 360 ^ The spring 39 〇 is connected to the upper portion of the paper feed tray 32 乂, the 4 pallets 3 2 0 and the paper feed roller 3 4 G contact position p 邛 G into L pushes the upper portion of the paper feed tray 320 upward Move left, i is to push the paper feed tray 320 to the paper feed roller 34 (). It is noted that the compression magazine 39 0 is applied to the knife of the paper feed tray 32 to form a torque T drive. The paper feeding plate 3 2 0 is opposite to the paper feeding roller 1262166. 5. The invention (6) 3 4 0 rotates, and at the same time, the front end of the paper feeding plate 3 2 0 a is pressed against the upper surface of the paperboard 3 8 0 In addition, since the protrusion 32 2 of the side of the paper feeding plate 3 2 0 is slid into the sliding groove 36 0 , and the direction of the sliding groove 360 is parallel to the upper surface 380 a of the partial cardboard, it is ensured The inclination angle A of the paper feed tray 3 2 0 is maintained constant. ” Referring to the fourth figure, a schematic view of another embodiment of the paper feeder structure of the present invention is shown. Compared with the paper feeder structure in the third figure, this implementation For example, a tension spring 307 is added, which is installed in the chute 360 and is connected to the protrusion 322 on the side of the paper feed tray 320. The extension spring 370 is The deficiencies of the aforementioned compression springs 390 are compensated to provide a force N to ensure that the paper feed trays 320 can continue to abut the paper feed rollers 3 & 在 during the paper feed. Although in this embodiment a The extension spring 37〇, however, is not limited thereto, and the elastic member such as the compression spring or the twisted spring can be used as long as it is sufficient to provide the force N so that the paper feed tray 320 can be continuously engaged to the paper feed roller 34. The extension magazine 3 7 in the embodiment of the Fig. 4 is installed in the chute 360, and is not _ 亜, Φ s /, .^ π , 0 00 is not connected to the side of the paper feed tray 320 The raised edge 322. As long as the connection position between the extension and the paper feed plate 320 is made, it is located at the paper feed tray 32〇 and the paper feed roller 34. By this, this stretched magazine 7η@^1 罝 罝 卜 u 八 八 八 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也 也The torque T of the paper feed plate 32 makes the translation of the inlet and the plate 30 2 smoother. Referring to Fig. 5A, there is no further example of the yoke of the feeder structure of the present invention, which aims to improve the convenience of the embodiment of the paper in the third embodiment. Compared with the 进 进 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The lower extension is engaged with the side edge 38〇b of the partial paperboard. As shown in the fifth drawing 8, when the paper piece is to be placed or taken out, the outer end force F can be applied to the rear end 32 of the paper feeding tray. . Since the projection 3 2 2 of the side of the paper feed tray 3 2 is restrained in a chute 36 0 , the paper feed tray 32 is pivoted with the projection 322 as the center. The rotational movement of the paper feed tray 320 causes the lower end 324a of the extension portion to press against the side edge 38〇b of the paperboard, and the paper feed tray 320 is moved to the right to separate from the paper feed roller 340. Therefore, the user only needs to press the rear end of the paper feed tray 3 2 0 b to drive the paper feed tray 3 2 分离 apart from the paper feed roller 340 to facilitate the insertion or removal of the paper. It is to be noted that, as shown in Fig. 5B, a compression spring 390 is attached to the upper portion of the paper feed tray 32''. While the front end 320b of the paper feed tray is pressed to take out or put in the paper piece, the dust reduction spring 390 (the length of which is shortened from t3 to t4) is also compressed, and an elastic inner energy can be stored at this pressure = =90. After the paper is placed or removed, the external force f is removed, and the 逍1 is replaced by kinetic energy, which drives the rear end of the paper feed tray 3 2 0 b to move to the left, so that you break down - M疚 to the fifth In the figure A, the position of the paper feed tray 320 is inclined. In summary, please refer to the second town of Zhaozhao, , . In the paper feeder structure of the present invention, the inclination angle of the paper feed tray 3 20 is 〇 a, and the front end 32 〇 a of the pallet is maintained at an angle. At the same time, due to the same position of the paper feeding member, the paper roller 340 which is provided with the setting is pressed against the paper feeding and paper separating effect of the paper. In addition, please

Page 12 1262166 V. Invention Description 18:) Referring to Figures 1 and 2, in the traditional feeder structure 1 ,, it is difficult to press the front end of the paper feed tray 1 2 0, so that the paper feed roller 1 4 0 Separated from the paper feed tray 120, and often the paper piece 200 must be inserted or pulled with brute force. On the contrary, referring to Figs. 5A and B, in the feeder structure 300 of the present invention, the paper piece can be easily inserted or taken out only by pressing the rear end of the paper feed tray 3 2 0 b. The above description of the present invention is intended to be illustrative of the present invention and not to limit the scope of the present invention, and those skilled in the art will recognize that such modifications and adjustments may be made without departing from the scope of the invention. Without departing from the spirit and scope of the invention.

Page 13 1262166 Brief description of the diagram Brief description of the diagram: The first diagram is a schematic cross-sectional view of a typical feeder structure, and the feeder structure is empty paper. The second drawing is a schematic cross-sectional view of the feeder structure of the first figure in a full paper state. The third drawing is a schematic cross-sectional view of a preferred embodiment of the feeder structure of the present invention. Figure 4 is a schematic cross-sectional view showing another embodiment of the feeder structure of the present invention. Figure 5A is a schematic cross-sectional view showing still another embodiment of the feeder structure of the present invention. Fig. 5B is a paper feed plate of Fig. 5A, the rear end of which is pulled downward to insert a cross-sectional view of the paper. Description of the figure: Feeder structure 1 0 0, 3 0 0 Feed tray 1 2 0,3 2 0 Feed roller 1 40, 340 Split cardboard 1 8 0,3 8 0 Base 1 6 0 Stretching magazine 3 7 0 Chute 360 Compression magazine 3 9 0 Extension 3 2 4 Raised 322

Page 14 1262166 Schematic description of the paper Paper 2 0 0

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Claims (1)

1262166 Patent application scope The scope of the patent scope includes: a feeder structure, which is installed in a transaction machine to feed paper, the paper feeding paper feeding roller is located at the paper feeding inlet of the transaction machine; Above the sub-board, the paper is fed into the transaction machine; the chute is located above the sub-board, and the trough is oriented approximately parallel to the upper surface of the sub-board; and a paper feed tray is located on the sub-board Between the paper feed roller and the paper feed roller, the front end of the feed plate is coupled to the upper surface of the paperboard, and the paper feed plate has a protrusion that slides in the slide to maintain the paper feed plate. The paper tray is tilted 2. The pieces are angled. If the patent is applied, the slipper is placed on the pallet. 3. If the patent application is a feeder structure of the extension spring range, the paper feeder structure further includes an elastic groove and is connected to the projection to provide a force to The paper feed roller. The paper feeder structure of the second aspect, wherein the elastic member is a paper feeder structure, wherein the elastic member is a twisted spring. The paper feeder structure of claim 1, wherein the paper feed holder is located below the paper feed tray and the paper feed roller contact position, as in the feeder structure of claim 1 The paper feed tray includes an extension portion extending downwardly to the side of the paperboard, when Page 16 1262166 々"_Purchase scope The rear end of the paper feed tray is pulled downward, the paper feed tray is rotated around the protrusion, and the lower end of the extension is pressed against the point The side of the paperboard moves the paper feed tray to the right to be separated from the paper feed roller to facilitate the placement of the paper. 7. The paper feeder structure of claim 6, further comprising a compression spring coupled to the paper feed tray to urge the rear end of the paper feed tray to move upward to restore the original angle of inclination. Page 17