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Image forming device

A technology of image and recording devices, applied in printing devices, printing, etc., which can solve problems such as excessive torque of the drive device, damage, and shortened device life

Inactive Publication Date: 2008-08-06
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in such an elevating device for the table portion, since the arm extends relatively long from the support shaft portion, excessive torque may be applied to the arm itself, the support shaft portion, the motor, and other driving devices.
Doing so may cause deformation, damage, etc. of the arm or motor.
Therefore, there is a problem that the image quality is lowered or the life of the device is shortened.

Method used

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no. 1 approach

[0029] First, the structure of the image forming apparatus according to the embodiment of the present invention will be schematically described using FIG. 1 , and the image output operation will be described. FIG. 1 is a schematic front sectional view showing an inkjet printer 1 according to a first embodiment of the present invention.

[0030] The printer 1 includes: a recording device 20 installed inside a device main body 2 having a frame structure, and prints a color ink image on paper P (an example of a recording medium); a transport unit 30 is arranged below the recording device 20 opposite to , to transport the paper P; the lifting device 40 lifts the transport unit 30 up and down. In addition, the printer 1 also has: a paper feeding cassette 3 , a paper feeding device 4 , a paper feeding path 5 , a registration roller 6 , a drying device 7 , a discharge roller 8 , a discharge port 9 and a paper output tray 10 .

[0031] The paper feeding cassette 3 is arranged below t...

no. 2 approach

[0075] 11 is a schematic front sectional view of an ink jet printer 1A according to a second embodiment of the present invention. It differs from the first embodiment in that it has a guide mechanism 60, which is provided to prevent lateral displacement of the conveying unit 30 when the conveying unit 30 is raised and lowered. In FIG. 11 and FIGS. 12 to 19 , the same parts as those in FIGS. 1 to 10 described above are denoted by the same reference numerals, and description thereof will be omitted or simplified.

[0076] FIG. 12 is a perspective view of the conveying unit 30 and the lifting device 40 with the guide mechanism 60 .

[0077] FIG. 13 is a partial perspective view showing the guide mechanism 60 and its surroundings. In addition, FIG. 12 also shows a longitudinal portion of the shaft portion 42 of the eccentric cam 41 omitted in FIG. 2 and a gear mechanism 44 that transmits rotational force to the shaft portion 42 .

[0078] The guide mechanism 60 is a mechanism th...

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PUM

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Abstract

The present invention provides an image forming apparatus, comprising: a recording device that prints on a recording medium; a conveying unit that is arranged opposite to the recording device and arranged below the recording device to convey the recording medium; and a lifting device, Lifting the conveying unit; wherein, the lifting device includes an eccentric cam whose rotation axis is eccentric, the conveying unit has an abutting surface abutting on the peripheral surface of the eccentric cam, and is rotated by the eccentric cam And be lifted. Therefore, in the image apparatus, the conveying unit can be raised and lowered smoothly without generating an overload.

Description

technical field [0001] The present invention relates to image forming apparatuses typified by printers and copiers. Background technique [0002] Among image forming apparatuses, inkjet printers, especially home printers, have become popular in recent years. An inkjet printer is an image forming device that ejects ink from a plurality of nozzles included in a recording head as a recording device, and performs printing on paper or the like as a recording medium. Inkjet printers are popular because they are small, inexpensive, and have excellent quiet performance, and various manufacturers have recently offered various models. In addition, in recent years, inkjet printers corresponding to recording heads (line heads) having a length approximately the same as the width of paper perpendicular to the paper conveying direction and capable of high-speed printing of tens of sheets or more per minute have been developed. Ink printers, but the number of types of this model is small....

Claims

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Application Information

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IPC IPC(8): B41J13/00
Inventor 池田雅美辻菊之助
Owner KYOCERA DOCUMENT SOLUTIONS INC
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