TWI232179B - Diverter and image forming apparatus utilizing the same - Google Patents

Abstract

A diverter and an image forming apparatus utilizing the same. The diverter directs media within an image forming apparatus along one of media paths. The image forming apparatus includes a first duplex unit, a second duplex unit, and an actuator. The actuator is disposed at one side of the first duplex unit and also disposed on the same side of the second duplex unit. The actuator contacts the first and second duplex units simultaneously to control the moving directions thereof.

Description

1232179 V. Description of the invention (1) The technical field to which the invention belongs-In particular: The invention relates to a printer with a paper separation and reversing device, and relates to a paper separation and reversal with simple operation and low cost. The prior art is described with reference to Fig. 1 '. Fig. 1 shows a conventional paper separating and reversing device applied to business machines such as photocopiers, facsimiles, and printers (disclosed in U.S. Patent No. 6,572,105). A conventional paper diverting device 10 includes a pair of actuators (not shown in the figure), an inlet 12, an upper and a lower duplex unit. 13, 14, and plural exits 17, 18, 19 ,. The upper and lower separators 13, 14 and 14 respectively include upper and lower switching arms 15 and 16 respectively. The upper switchover arm 1 5 'is located on one side of the switchover device 丨 〇, and the lower splitter 14 and lower switchover arm 16 are located relative to the upper switchover arm 1 5 'The other side. The paper X enters the separating and reversing device 丨 0 from the entrance 1 2 ′ along the P direction. The paper separation and reversing device 10 'of the printer can provide three selection directions of the printed paper X to the exits 17', 18 ', and 19', as shown by the arrows a, b, and c in Figure 1, You can switch between these three paper output directions A, b, and C according to actual needs. The A direction is the preset paper output direction. The paper X passes through the upper separator 13 'from the a direction and enters the output tray (not shown in the figure). The b direction is sent to the multifunctional paper processing device (not shown). (Pictured), generally used for printing a large number of paper, the paper will fall into the optional tray (t ray),

0535-A20360TW (Nl); F03095; YUCHIA.ptd page 5 1232179

堉 mai read Figure 3A Π, which is in a state of no movement. In the formula, 'two ejecting meters pass, this is the paper output direction A: ,,, and the sheet x can be seen from above the upper separator 13'. Figure 3B, ♦ i, interest π,

Rotate the push rod 2Γ upward, and when the mechanism U is actuated, the cam: the lower switching arm 16, at this time, up and down; push down the separator 14 by the chin, the π and the separator 13 that separate the paper are lifted The paper silver xp knife paper is 14 through the second paper ejection side,., Zhang Xyou § ejection mechanism on the right side, as the upper switching arm of the master 13, (not shown ^ 'ejection mechanism ", Press down "with or without", on the separator 11, was lifted m

1232179

Sheet X passes through the gap between the upper separator 13 and the lower separator 14, as shown by the arrow C in the case 3C. Therefore, the conventional paper separation and reversing device 10 needs to be provided with an ejection mechanism 11 on each side to realize switching between the paper separation and reversal of the printer between the two paper discharge directions. However, 'Because the conventional paper separation and reversing device 10' requires one ejection mechanism 11 'on one side, this printer also needs to use two transmission devices (not shown). Set a transmission device and connect the cam 22 on the left side of 1 to move the push rod 21 upwards, and set another transmission device on the right side of the paper separation and reversing device ^ and connect the cam 22 on the right side to make the two 21 directions Move down to generate thrust in opposite directions. Therefore, the known paper separation and reversing device needs to use a complex combination of components, resulting in difficult assembly and increased manufacturing costs. Therefore, the purpose of the present invention is to provide a printer with a paper separation and reversing device, which can solve the above-mentioned problems and provide a printer that can save assembly time and components with a reversible device. Kawamori-the first "paper separation element" transport: to the printer with a paper separation and reversing device is placed in the -ii :: and: paper element and a pusher. The pusher is provided with a paper separating element and an early side of the -A β cow and abuts the position of the second paper separating element. The 7G piece of the first paper separation is controlled manually, and in the present invention, the first paper separation element includes a first switching arm,

1232179 V. Description of the invention (4) Second, the paper element includes a second switch arm, the first switch and the push rod are located on the same side, and the push rod abuts the first switch arm. In the present invention, the push rod further includes a Slotted switching arm. The part is accommodated in the slot, and the first switching arm is abutted against the second push rod. In the present invention, the printer further includes a protrusion and a pin. At the bottom, the putter can be switched between the abutment of the putter and a third position by the rotation of the cam, where the second position is between the second and second positions, and when pushed The rod is located at the lowest in the first series. In the present invention, the position of the push rod is again in the present invention. The first paper separating element can be moved between the first and the first sinking position, and the second element two—the upward and downward positions and a second sinking position. Move between the second up and down days], the first paper-separating element is located at the first sinking position; the first position is the first sinking position, and the object is located at the second position by the first paper separation knife 7G Temple, the first paper separation element is located on the first face; when pushing a paper separation element is located at the second upward position and the lower part passes through; when the push rod is located at the third position of the four y two paper separation elements A lift position and a second paper separation element position =-the paper separation element is located at the * th = element and the second paper separation element at the sinking position 'makes the object again in the present invention, the first switch to the top of the push rod, the first Two switching arms have two second! : Protrusion, abutting on the < hole, so that the cam pushes against the first and second parts via the push rod, and passes through the slot at the-position, the "first-projection portion abuts :: the exit portion; when the push rod position is located at The upper end of the slot; turn the second protrusion to move the pusher up to the first

〇535-A20360TW (Nl); F03095; YUCHIA.ptd Page 8 1232179 V. Description of the invention (5) _________ at the end of the slot. When moving to the second position, the position of the second protrusion is again in the present invention, J groove and-positioning element, shell ::: dagger-shell, push rod further includes _ extension, by passing the positioning element through a The extension part extends to the inside of the housing so that the push rod can only follow the sliding pattern: ㈢ to connect the push rod and the extension part, and in the present invention, f is printed: = moves. Move the cam. " The printer further includes a driving device for connecting and driving the inkjet printer. The present invention further provides a kind of direction: a printer. 1 Carrying direction 'paper separation and reversing device includes "; clothing setting" can be switched-transfer of objects: pieces and-push rods. Pusher: Paper element,-A single side of the second paper-splitting piece and abuts against the first-= first paper-splitting component and the second paper-splitting element control the first paper-, paper-, and:-$ components and: The paper separation element is to make the position of the above-mentioned and its components of the present invention. It is easy to understand. Here are a few specific =, characteristics and advantages can be more clearly explained in detail. Only the examples' are used in conjunction with the accompanying drawings. Implementation Modes The specific examples are described below for a detailed description. In this embodiment, the contents of various forms that cannot be found on the x day are added. At the same time, the present invention can also be applied to other printers, such as photocopiers, fax machines, feeding devices, or paper feeding mechanisms. Installed /, complete service machines, etc. 0535-A20360TW (Nl); F03095; YUCHIA.ptd page 1232179

Fig. 4 is a schematic view of a printer 100 having a sheet-reversing device according to the present invention. The printer 100 includes a housing 30, a paper separating and reversing device 10, and a driving device 7F (not shown). The paper separating and reversing device 10 and the driving device are respectively disposed in the housing 30. Inside. The paper separation and reversing device 10 is used to distribute the conveying direction of objects such as paper. It should be noted that the present invention mainly proposes improvements for the paper separation and reversing device 10 of the printer. For the sake of convenience and clear description, other devices of the printer are omitted from the drawings. Fig. 5A shows the paper separation and reversing device of the printer of the present invention, and the group of people does not think of it. Fig. 5B shows the paper separation and reversal device of the printer of the present invention, which is not intended to be disassembled. . As can be seen from Figures 5A and 5B, the paper separation and reversing device 10 includes a frame $ 25, an ejection mechanism 11 and first and second duplex unit elements 13'14 o the first The two-part paper element 1 3, 1 4 includes first and second switching arms 15 and 16 respectively. The frame 25 includes at least two holes, the same as 251 and 252, and the holes 251 and 252 respectively correspond to the first and second switching arms / 15, 16. When the combination is performed, the first and second switching arms 15, 16 It is rotatably disposed in the holes 2 5 1 and 2 5 2 so that the first and second paper separating elements 13 and 14 are fixed on the frame 25. The ejection mechanism 11 is composed of a push rod 21 and a ~ Λ_ wheel 22, which are located on the same side as the first and second switching arms 15 and 16 on the frame 25 and the side 2 5 5. In addition, it can be seen from the combination diagram in FIG. 5A that the first switching arm abuts against the top 214 of the push rod 21. The push rod 21 includes a slot 21 1 and at least

1232179 V. Description of the invention (7) Paper element 1 3, 1 4 for inserting the second tiller element 1 4 is composed of the first and the second, and is movably arranged at and out of the outlet 17, 18, 19 The three selection ports 1 2 enter the paper reversing device 1 〇, one of the rows, 18, and 19 is out of the direction. The cam 2 2 is connected to the bottom drive of the push rod 2 丨 (not shown). Through the push rod 2 1 One sliding slot 212 stays at three different heights, wherein the slot 211 is the second switching arm 16. The first and second switching arms 15, 16 and the ejection mechanism η frame 25 form a direction of the entrance 12. As mentioned above, the paper can be exported from the paper after printing 1 7 as shown in Figures 6A-1 to 6C-2. 215. The connecting portion 221 of the cam 22 and the driver drive the cam 22 to rotate to make it in position. (As shown in the 6th and 6B-2) between the first and first paper 6A_1 and 6A-2, and the first switch, the second position and the third position (the component is the reference position (the 6A-1 , 6A-2 Figure wheel 22 and putter 21 are not necessarily the starting position at the lowest position, so they are not limited to three positions. Therefore, putter 21 can be shown in a first position), a second position (As shown in Figure 6B-1 in the third position (as shown in Figures 6C-1 and 6C-2 (Figures 6B-1, 6B-2) the height is located in Figures 6C-1, 6C-2), And if the first position is compared with the second and third positions, the first) is the lowest, that is, the first position is the state when it is convex. It should be noted that the first position can be converted from the second position to Sequence of the first position change. As shown in Figures 6A-1 and 6A-2, when the putter 21 is located in the first position, 'in this example' the first position is the preset starting position, and the second switch The second protruding portion 161 of the arm 16 is located at the uppermost end in the slot 211, and the first 1232179 invention description (8) The protruding portion 151 is pressed against the push rod, and the separating elements 13, 14 are respectively located at the first, younger brother One is recited by the upper surface of the first paper separating element 13, "A", at 4 o'clock, the paper points to the arrow. 丨 ... The paper advances as shown in the square A and ㈣. When the above moves to the first position, the temple, the pusher 21 pushes the first protrusion of the first switching arm = the part 151 ′, the first protruding part 151 is rotated, and the first paper separation το piece 1 is linked by the first switching arm 15 3, so that the first separation element 丨 3 is located in the first upward position, and at the same time, the second projection 丨 6 of the switching arm 丨 6 i is located in the slot 2 丨 丨 the middle gate keeps the first separation Element 1 4 is also located in the second upward position, and it is attached to the second separating element 1 3, so both of them face upward at the same time, so that the paper passes under the second separating element 14 and the paper advances. The course is shown by the arrow in the direction of B. When the cam 22 continues to rotate and the push rod 21 continues to move upward to the third position, the second protruding portion of the second switching arm 16 is located at the bottom of the slot 2 The part 'makes the first separating element 13 up and the second separating element 14 sink, and the paper is divided by the first separating element 13 and the second separating element. Passing between 14 and 4, the forward path of the paper is shown by the arrow in the direction C. Furthermore, 'the casing 30 of the present invention has an extension 31, and this extension 31 extends toward the inside of the casing 30, And the push rod 21 has a slide slot 21 2 and a positioning element 4 0 (for example, a screw), and the positioning element 40 passes through the slide slot 2 1 2 to connect the push rod 21 and the extension portion 31, In this way, the push rod 21 can only move along the extending direction of the sliding slot 21 2. In other words, this design allows the push rod 21 to move only in a direction perpendicular to the axis of the switching arms 15 and 16.

〇535-A20360TWF (Nl); F03095; YUCHIA.ptd Page 12 1232179 V. Description of the invention (9) In order to prevent the putter 21 from producing as described above, the connection to the protruding portions 1 5 1, 1 6 1 Set the angle, and stop the separation of the paper reversing element by using a top to reach the reversing device, and low-manufactured in addition to the size and cut, although used to limit the spirit and protection of the scope described After the mechanism and learning, due to the result 0, the scope of the present invention of the arm change of the slotted rod 21 is within the scope of the present invention. The apparent displacement is maintained by the push of the wheel 22. The three can be known. The printing mechanism is equivalent to the printer's pusher 21, and the corresponding paper is output. The invention is simple in the paper, and the internal drive is installed by two paper cutting elements. The cut between the three provides the same purpose in three paper-out sides. This direction switching operation makes the set driving arm changer 1 5 1 4 separately or sink the paper reversing direction. The invention becomes even bigger in size, the angle of the switching arm is related to the length and the rising distance, so the present invention does not Limit angle and length and cam size. Several preferred embodiments have been disclosed above. Anyone skilled in the art can make some modifications and retouching without any break / off, because the scope of the attached patent application is defined as the cam 2 2 ′, 16 Turning the device to the existing position suddenly, only cutting and improving the paper separation is simple, easy, and the cam is reduced in size and the slot is not deviated from the present invention.

1232179_ Brief description of the diagram. Figure 1 shows a schematic side view of a conventional paper separation and reversing device, and Figure 2 shows a perspective view of a conventional paper separation and reversing device. Figure 3 A shows a conventional paper reversing device. A side view of the paper ejection direction in the A direction; FIG. 3B shows a side view of the paper ejection device in the conventional direction according to the direction of B; Fig. 4 is a schematic diagram of a printer with a paper separating and reversing device according to the present invention; Fig. 5 A is a diagram showing the combination of a paper separating and reversing device of a printer according to the present invention; and Fig. 5B is a schematic showing the present invention. It is not intended that the paper separation and reversing device of the printer is exploded. Figure 6 A -1 is a schematic diagram showing the first position of the paper separation and reversing device of the printer of the present invention; Figure 6A-2 is a diagram showing this The side view of the first position of the paper reversing device of the printer of the invention; Figure δβ-1 is a diagram showing the first position of the paper reversing device of the printer of the invention; Section 6B-2 The figure shows the side view of the first position of the paper separation and reversing device of the printer of the present invention. It is intended that the first and the first figure are schematic diagrams showing the third position of the paper separation and reversing device of the printer of the present invention;

0535-A20360TWF (Nl); F03095; YUCHIA.ptd P.14 1232179 Brief description of drawings Figures 6C-2 are schematic side views showing the third position of the sheet-feeding redirection device of the printer of the present invention; and Fig. 7 is a partial schematic view showing a printer of the present invention. DESCRIPTION OF SYMBOLS 1 0 '~ paper separation reversing device, 1 Γ ~ ejection mechanism, 1 2' ~ entrance, 1 3 '~ upper paper separator, 14' ~ lower paper separator, 1 5 '~ upper switching arm, 1 6 '~ Lower switching arm, 17', 18 ', 19' ~ Exit, 2 0 '~ Paper tray, 2 Γ ~ Push rod, 22' ~ Cam, X ~ Paper, 1 0 ~ Paper reversing device, 11 ~ Ejection mechanism, 1 2 ~ inlet, _ 1 3 ~ first separating element, 1 4 ~ second separating element, 1 5 ~ first switching arm, 1 6 ~ second switching arm,

0535-A20360TW (Nl); F03〇95; YUCHIA.ptd Page 15 1232179 The drawings briefly explain 17, 18, 19 ~ exit, 2 1 ~ putter, 22 ~ cam, 2 5 ~ frame, 30 ~ housing, 4 0 ~ screw, 1 0 0 ~ printer, 1 5 1 ~ first protrusion, 1 6 1 ~ second protrusion, 2 11 ~ slotted hole, 2 1 2 ~ slot, 2 2 1 ~ connection , 2 5 1, 2 5 2 ~ holes.

0535-A20360TW (Nl); F03095; YUCHIA.ptd Page 16

Claims (1)

1232179 VI. Scope of patent application 1 · One object for switching includes:-First to second pusher with paper separation and transfer side paper separation element Paper separation element, which is set on the printer to the device, the paper separation g The direction of the device can be directed, the printer package with the separation and reversing device on the side of the early side and abuts the patent of the first paper separation%, the first bracket and the second are located at the same time to control the 2 · 如Form application machine, in which the separating element package arm and the pusher arm. 3. If the application machine, where Gona is put in the slot, the putter can be changed ', and when it is low. 4 · If the application machine, the rotation of the more wheel makes the position between the May patent fan, the pusher hole, and the first position of the second position push rod is located in the patent fan, including a convex pusher can be replaced 〇; And the positions of the first and second paper separating elements of the first and second paper separating elements. The printing and separating element with the separating and reversing device described in item 1 includes a first switching arm, the second switching arm, the first switching arm, the second switching side, and the pusher The print on the paper switching device described in item 2 of the first switching circle further includes a slot. The second switching arm is close to the top of the push rod. When the height of the cut μ between the second position and a third position is at the first position of the first and third positions, the position of the putter is the paper-reversing reversal split described in item 2 most The wheel abuts the bottom of the putter, in the-position, the second position 1232179 5. Patent application scope 5: The printer with paper separation and reversing arrangement as described in item 4 of the patent application scope, wherein the first paper separation element 4 is between a first upright position and a first sinking position Move, the second paper separating element can be moved between a second upper, second, and second sinking position. When the pusher is located at the first position, the first paper separating element is at the first sinking position and the The second paper separation element 4 is located at the second sinking position of the first paper separation element, and when the object is passed from the upper surface of the first paper separation element to the second position, the first paper separation element ψ ΌΛ ^ Clock position and the second paper separation element is located on the second upside position so that the object passes under the second paper separation element; when the pusher position ^ ^ the ^ position, the first paper separation element is located on the The first upward position and the second paper separating element are located in the second sinking position, so that the object passes between the first trowel, the fan, and the second paper separating element.矣 She knows the print of the paper separation and reversing device described in item 5 of the patent scope ^ wherein the first switching arm has a first protruding portion, and the second switching arm has a first adjacent to the hole stem. Two protrusions pass through the slot, and the cam ^ is pushed against the first and second protrusions through the push rod: top, when the first protrusion is placed against the push rod, The push pin is located at an end above the slot hole; when the cam rotates on the slot hole and moves to the second position, the second protruding portion is a position portion. ^ The first position is that the second protruding portion is located at the lower end of the slot hole.7. According to the patent application model machine, which further includes a printing body with a paper separation and reversing device as described in item 4 of the case, the The putter further includes a chute and a positioning element 1232179, the scope of the patent application is six violations --------------- The shell has a piece that passes through the sliding sample 3 i and extends to the inside of the shell Γ The pusher can only move along the Yan: Λ connects the putter and the extension to make the 8. Ruzhi straight: move in the extension direction. The τ patent range flute meter, which further includes a printing device with a paper separation and reversing device as described in item 1 9 · As applicable * i drive device, connect and drive the cam. The printer, the printing device with the paper separation and reversing device described in item I 0, such as Ψ t _ He Mo printer.丄 υ • That is the τ 4 patent log printer, the printer A has the paper separation and reversal of Pei Zhizhi as described in item 1 ah sentence-laser printer reprint. 1 II · An eight-cylinder | clothes micro «direction, including: /, knife, ,, and s direction changing device, which can switch the transfer side of an object-a first paper separation element; a second paper separation element; and one or two = Lever, which is arranged on one side of the first paper separating element and the second paper separating element, and abuts against the first paper separating element and the second paper separating element, and simultaneously controls the first paper separating element and The position of the second separating element. From 1 2 · According to the paper separation and reversing device described in item 11 of the patent application, the first paper separation element includes a first switching arm, and the second paper separation element includes a second switching arm. The first switching arm, the second switching arm, and the lever are located on the same side, and the push rod abuts against the first switching arm. Push 13. The paper reversing device as described in item 12 of the patent application range, wherein the push rod further includes a slot, the second switching arm is partially received in the slot, and the first The switching arm is close to the top of the push rod, and the push rod can be switched between a first position, a second position, and a third position. 0535-A20360TWF (Nl); F03095; YUCHIA.ptd Page 19 1232179 The height of the two positions is between the first and third positions. When the putter is at the first position, the position of the putter is the lowest. Against! ^ \ 4. Red paper towel please use the paper reversing device as described in item 12 of the patent scope, and it also includes a cam and abuts the bottom of the putter. # The rotation of the side cam enables the 4 push cups to switch between the first position and the second position. The position of the second position of Xia and Jidi \ 5 · The paper separation and reversal as described in item 14 of the scope of patent application, during the process, the first paper separation element can be placed in a first upward position and a one: Between the second paper-splitting element and the second paper-sinking element, the second paper-splitting element can move between the second sinking position and the second sinking position. When the pusher is in the first position, the second paper-splitting element is located in the first sinking position. Position and the second paper separation element 'bit 5: the second sinking position, the object passed by the upper surface of the first paper separation element when the pusher is located in the second position, the first paper separation element It is located at the third upward position and the second paper separating element is located at the second upward position, so that the object passes under the first paper separating element of the Hai Hai; when the push rod is located at the third position, the first A paper separation element is located in the first upward position and the second paper separation element is located in the second sunk position, so that the object passes between the first paper separation element and the second paper separation element. 1 6 · The paper separation and reversing device according to item 15 of the scope of patent application, wherein the first switching arm has a first protruding portion, which is close to the top portion of the push rod, and the second switching arm A second protruding portion is passed through the slot hole, so that the cam is pushed against the first and first dog-out portions via the push rod. When the push rod is located in the first position, the first protruding portion is pressed against Leaning against the top of the push rod, the second protruding portion is located at the end above the slot; when the cam rotates to make the push rod 0535-A20360TW (Nl); F03095; YUCHlA.ptd Page 20 1232179 When the cam moves upward to the middle position of the second position; when the cam continues; rotation ::: protrusion position> When the slot is in the third position, the second C push rod continues to move up to the ° The bottom end of the slot. 0535-A20360TW (Nl); F0309i); YUCHIA.ptd page 21 ____ ^