Paper feeding mechanism

a feeding mechanism and paper technology, applied in the direction of transportation and packaging, thin material processing, article separation, etc., can solve the problems of unsatisfactory paper feeding and folding, increase manufacturing cost, etc., and achieve the effect of reducing volume, eliminating ineffective component force, and smoothly feeding paper

Inactive Publication Date: 2008-02-14
LITE ON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012]The paper feeding mechanism disclosed in the present invention has a reduced volume and can be applied to a narrow space and provide a normal force between the paper and the driven roller. The normal force can completely act on the driven roller, so as to achieve a close contact between the driven roller and the active roller and eliminate the ineffective component force. Further, the driven roller is characterized by bumps disposed thereon, which is advantageous for arranging paper to smoothly feeding the paper. Moreover, the parts are simple, thus saving the material and assembling processes. Therefore, the present invention has an advantage of low cost.

Problems solved by technology

The conventional art cannot effectively reduce the volume to be adapted to a narrow space, and a component force is generated from the normal force, such that the normal force cannot completely act on the driven roller, thus resulting in an unsmooth paper feeding and folding paper.
Moreover, the installation is inconvenient and the parts are complicated, so that the manufacturing cost increases.

Method used

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Experimental program
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first embodiment

[0023]Please refer to FIG. 4 of an exploded structural view of a paper feeding mechanism 10 according to the present invention. As shown in FIG. 4, the paper feeding mechanism 10 includes a driven roller 11, an active roller 12, and a base 50. The base 50 has a driven roller 11 and a driven roller shaft 14. The driven roller 11 and the active roller 12 are disposed in correspondence with each other. The driven roller shaft 14 is disposed in the rotational axial direction of the driven roller 11 and passes through the driven roller 11, and a transmission shaft 13 passes through the active roller 12.

[0024]Further, two shafts 15 adjacent to one side of the driven roller shaft 14 are joined with the base 50. One of the two opposite ends of each shaft 15 is a free end, and the other is fixed on the base 50. Moreover, the shafts 15 are parallel to the axial direction of the driven roller shaft 14.

[0025]The paper feeding mechanism 10 also has a plurality of torsion elements 30 disposed bet...

second embodiment

[0028]Please refer to FIG. 6 of a combined structural view of the paper feeding mechanism 10 according to the present invention. As shown in FIG. 6, the two opposite ends of the shaft 15A are joined with the base 50, and a plurality of torsion elements 30 is coaxially connected to the shaft 15A.

[0029]Please refer to FIG. 7 of a schematic view of a position of a stopper according to the present invention. As shown in FIG. 7, a stopper 53 is further disposed on the base 50 of the present invention in a limited position adjacent to the driven roller shaft 14. When the driven roller 11 presses against the active roller 12, the driven roller 11 can only move in the limited position. The stopper 53 can confine the driven roller 11 moving within a limited range. The stopper 53 and the base 50 are integrated into one piece.

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PUM

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Abstract

A paper feeding mechanism includes a base, a driven roller, an active roller, a shaft, and a plurality of torsion elements. The shaft is disposed on the base, and the torsion elements are coaxially connected to the shaft with a first and a second force arm pressing against the rotational axial position of the driven roller and the base respectively. The torsion elements provide a normal force to the driven roller, so that the driven roller may press against the active roller constantly.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This non-provisional application claims priority under 35 U.S.C. §119(a) on Patent Application No(s). 095214058 filed in Taiwan, R.O.C. on Aug. 9, 2006, the entire contents of which are hereby incorporated by reference.BACKGROUND OF THE INVENTION[0002]1. Field of Invention[0003]The present invention relates to a paper feeding mechanism of a peripheral, and more particularly, to a paper feeding mechanism capable of providing a normal force to press and pick up paper.[0004]2. Related Art[0005]Generally speaking, the operation of an office relies much on the use of paper, for example, business letters and various documents, so a paper feeding mechanism of a peripheral such as a printer, plotter, fax, scanner, copier, multi function peripheral (MFP) is required to facilitate the scan, print, copy, or fax of paper. Considering the high demand for paper, the output quality and operating efficiency are always the key issue of development for the...

Claims

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Application Information

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IPC IPC(8): B65H5/06
CPCB65H5/025B65H2601/324B65H2402/545B65H2402/54
Inventor LIU, CHUN-LIANGLIU, JEN-CHIEH
Owner LITE ON TECH CORP
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