Paper materials feeding method and its apparatus and image forming apparatus

A paper material and feeding technology, applied in the direction of printing device, electric recording technology using charge pattern, equipment for electric recording technology using charge pattern, etc., can solve the problem of large feeding device, large diameter of paper feeding roller 154, difficult Device miniaturization, etc.

Inactive Publication Date: 2003-08-20
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, in order to achieve the above conditions, the outer circumference of the paper feed roller 154 must be in contact with both the above-mentioned pressure contact parts A and B at the same time. The problem of miniaturization of the whole device

Method used

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  • Paper materials feeding method and its apparatus and image forming apparatus
  • Paper materials feeding method and its apparatus and image forming apparatus
  • Paper materials feeding method and its apparatus and image forming apparatus

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Embodiment Construction

[0344] Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings. figure 1 is a schematic longitudinal sectional view of the paper supply device according to the first embodiment of the present invention, figure 2 is an exploded oblique view showing its overall composition, image 3 is enlarged figure 1 Partial illustration.

[0345] first refer to figure 1 and figure 2 The overall configuration of the paper supply device of the present invention will be described. A case 11 is detachably attached to a shallow box-shaped apparatus body 10 provided with low-height walls around it through a side opening 10b. Inside the box 11, there is provided a bottom plate 1 as a paper material placing part, which can be placed such as figure 1 As shown in the plurality of sheets of paper 2, one end of the base plate 1 is freely supported by the support shaft 1a, and the compression spring 3 is connected with the box 11. Th...

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Abstract

The invention relates to a method and apparatus for feeding sheet materials, which is implemented by separating a plurality of sheet materials loaded in a sheet materials loading part from uppermost sheet material by one and carrying them, and to an image forming device having the apparatus for feeding sheet materials. The inventive objective is to reliably prevent the sheet materials not to be fed or to fed repeatly by providing each term for the sheet materials not to be fed or to fed repeatly. A feeding roller 4 is turned around to carry the sheet materials 2 loaded on a loading plate 1 to toward a separation unit, for the leading edge of the sheet materials 2 to be collided with a tapered face 6a of taper member 6, and subsequently forwarding the uppermost 2a of the loaded sheet materials by way of a nip forming portion N, while other underlying sheet materials are halted by the taper member 6 owning to smaller frictional forces there between. For various similar sheet materials, the sheet materials not to be fed or to fed repeatly are able to be prevented yet, and abnormal noise is also prevented, a plurality of sheet materials are separated one by one to be carried.

Description

technical field [0001] The present invention relates to a sheet material supply method and device for separating, feeding and conveying sheet materials placed on a sheet loading member one by one from the uppermost sheet material, and a device provided with the sheet material supply device. image forming device. Background technique [0002] In the past, regarding the paper supply method of separating the placed paper from the uppermost paper one by one to the image forming unit, for example, Patent Document 1 (JP-A-10-139197) and Patent Document 1 have been proposed. 2 (Japanese Unexamined Patent Publication No. 8-91612), there is a claw separation method in which the claw members push both ends in the width direction of the front end of the paper supply direction to separate them, and a separation pad method in which the friction members are pressed against the separation paper, A barrier separation method that separates the paper against a fixed inlet member having an in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H3/06B65H3/52
CPCB65H2301/42324B65H3/5223B65H3/06B65H3/56
Inventor 富樫利史竹平修野中学
Owner RICOH KK
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