Maintenance mechanism for inkjet printer
A technology of inkjet printers and components, which is applied in the field of maintenance mechanisms, and can solve problems such as the difficulty of compacting the width of the device, poor cleaning of the nozzle surface, etc.
Inactive Publication Date: 2007-09-05
SHARP KK
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Problems solved by technology
[0012] In such a structure, for example, when the upper left protrusion of the claw member 57 is arranged at the same position as the wiper 54 in the left-right direction of the figure, the claw member 57 is once positioned on the base member 55 during the operation of the wiper. The slide member 56 is locked near the middle of the guide hole 55b, but thereafter, before the wiper 54 wipes the entire nozzle surfaces of the ink cartridges 51, 51, the protrusion 52a of the bracket 52 cooperates with the protrusion of the claw member 57, and the lock is released. Locked, therefore, the wiper 54 descends obliquely downward and leftward together with the slide member 56, and as a result, there is a possibility that the cleaning of the nozzle surface may be poor.
[0013] Then, adopt the structure of the above-mentioned conventional maintenance mechanism that pivotally supports the claw member 57 with the slide member 56, since the claw member 57 is located on the side of the paper conveyance area more than the wiper 54 during printing, therefore, it is necessary to separate the paper conveyance area from the wiper 54. The interval setting of the wiper 54 is wide, and as a result, as mentioned above, it is very difficult to compact the width of the device.
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[0044] Next, the maintenance mechanism of the inkjet head according to the embodiment of the present invention will be described in detail with reference to the drawings. In addition, the present invention is not limited thereto.
[0045] FIG. 1 is a schematic diagram of a basic configuration of a carriage and a maintenance mechanism of an inkjet printer according to an embodiment of the present invention. Fig. 1 (a) is the plan view that accommodates the carriage of the ink cartridge with printing head and the maintenance mechanism that makes printing head wipe and cap, and Fig. 1 (b) is the sectional view of A-A part of Fig. 1 (a), Fig. 1(c) is a sectional view of part B-B of Fig. 1(a). In addition, FIG. 2 is a side view of the bracket and the maintenance mechanism shown in FIG. 1 .
[0046]In FIGS. 1 and 2 , 1 is an ink cartridge integrally formed with a single-pen printing head (not shown), and 2 is a carriage for transporting the ink cartridge 1 formed of synthetic resi...
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A maintenance mechanism for an ink jet printer is configured in such a manner that a claw member (7) for locking a slide member (6) during wiping operation is swingably supported on a base member which is fixed to an apparatus body so that the claw member (7) does not move to the left and right, and the claw member (7) is forced downward by guided projecting parts (6d) provided on the slide member (6) during a print job so that the claw member (7) does not interfere with a carriage (2) which moves back and forth along a main scanning direction across a printing area.
Description
technical field [0001] The present invention relates to a maintenance mechanism for an inkjet printer in which an ink cartridge is mounted on a carriage. Background technique [0002] Conventionally, inkjet printers of this type in which ink cartridges are mounted on a carriage are equipped with a maintenance mechanism that performs a wiping operation for cleaning the print head of the ink cartridge and a capping operation for preventing the print head from drying. [0003] As a conventional example of such an inkjet printer maintenance mechanism, a movable frame for wiping and a lever for locking the forward movement position of the movable frame are respectively provided as separate parts, and are attached via a support shaft as a connecting member. The rod on the movable frame locks the movable frame in its forward movement position through its forward and reverse rotation movement, or releases the lock (see, for example, JP-A-05-096740). [0004] However, the maintenanc...
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IPC IPC(8): B41J2/165
Inventor 上栫秀夫河合良一
Owner SHARP KK