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Paper loading device

A loading device and paper technology, applied in stack receiving device, transportation and packaging, thin material handling, etc., can solve the problems of difficulty in setting the setting position of tension spring 121, high price, etc.

Active Publication Date: 2015-04-08
RISO KAGAKU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Therefore, in the case of a large amount of movement when the paper feeding table 101 that can load multiple sheets is raised and lowered, the spring length of the tension spring 121 is naturally longer than the moving amount when the paper feeding table 101 is raised and lowered, making it difficult to set the tension. The installation position of the spring 121 and the installation position of the tension spring 121 cause a problem of increasing the size of the paper feeding device 100 for an image forming apparatus or a stencil printing machine not shown in the figure.
[0013] Furthermore, in the technical idea disclosed in Patent Document 1, when the paper feeding table 101 side and the tension spring 121 side are connected, since the driving chain 115 or the return sprocket 116 or the driving sprocket 120 is used, the image forming apparatus may also be generated. The problem that the price of the paper feeding device 100 is high

Method used

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Embodiment approach

[0038] Such as Figure 1 ~ Figure 3 As shown, in the paper loading device (paper feeding device) 10 of the present invention, the paper loading platform (paper feeding platform) 11 for loading the paper P can be lifted up and down according to the loading amount of the paper P by the lifting mechanism 20. It is installed on one side surface 1a of an image forming apparatus 1 such as a printing apparatus or a copying machine.

[0039] The above-mentioned paper loading table 11 is formed in a rectangular shape using a rigid metal material or resin material capable of loading one type of paper P with different external dimensions, for example, about 4,000 sheets, and the front end 11b side of the paper loading table 11 enters to form an image. It is formed in the opening 1b of one side surface 1a of the device 1 .

[0040] On the upper surface 11a of the paper loading table 11, a pair of left and right guide rails 12L, 12R (only figure 1 (shown) are arranged at intervals so as...

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Abstract

The device (10) has a rack (21R) which is attached to image forming apparatus (1) along up-down direction. A gear (29a) is rotationally driven by a drive source (24) meshed on rack and is attached to a paper loading table (11). A pulley outer peripheral portion is rotationally driven with gear. A wire (30R) is stuck to vicinity of pulley outer peripheral portion. One end of wire is provided with an extension spring (35R) latched by a fixing portion. The amount of winding of wire is set greater than length of extension spring during raising / lowering of paper loading table.

Description

technical field [0001] The present invention relates to a paper loading device, wherein a paper loading platform for loading paper can be arranged in an image forming device so as to be lifted up and down by a lifting mechanism. Background technique [0002] Generally, an image forming apparatus such as a printing apparatus for printing images or characters on paper or a copying machine for copying images or characters on paper is provided with a paper loading device having a paper loading table for loading paper. [0003] This paper loading device has various structural forms. As an example, it is a paper feeding device for an image forming device, which is arranged on one side of a stencil printing machine. Directional lift (for example, refer to Patent Document 1). [0004] In the paper feeding device for an image forming apparatus disclosed in Patent Document 1, a paper feeding unit is provided on one side of a stencil printing machine not shown, and a paper feeding uni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H31/18
Inventor 增田直哉青木和之
Owner RISO KAGAKU CORP