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Blade for OA equipment

A blade and long plate technology, applied in the field of OA blade, can solve the problems of developer contamination, development image deterioration, developer waste, etc., and achieve the effects of preventing developer leakage, deterioration and pollution.

Active Publication Date: 2014-12-10
株式会社アーケム
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if a restricted part of the developer moves to the back side of the blade for OA (that is, the downstream side in the flow direction of the developer) (hereinafter, this state is referred to as "developer leakage"), it will Causes deterioration of developed images, contamination of developer, or waste of developer

Method used

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  • Blade for OA equipment
  • Blade for OA equipment
  • Blade for OA equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Note that, in the following embodiments, a developing blade will be described as an example, but an applicable blade for OA is not limited to the illustrated blade.

[0035] figure 1 This is a diagram schematically showing a state where the OA squeegee is attached to the OA device. figure 2 It is a plan view showing the OA squeegee according to this embodiment.

[0036] The squeegee 1 for OA includes: a metal plate 2 formed of a thin, long plate; and a rubber member 3 formed of an elastic member and arranged on a part of one surface 2 a of the metal plate 2 . For the material of the rubber member 3, preferably, thermosetting rubber materials can be used, such as: two-component curable polyurethane, fluororubber, neoprene and liquid silicone rubber, but from the viewpoint of superior productivity, it is desirable to use liquid silicone ...

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PUM

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Abstract

A blade for OA equipment, comprising seal members arranged adjacent to both sides of an elastic member, wherein the blade is adapted to be able to reliably prevent an image development agent from leaking.  A blade (1) for OA equipment, wherein an elastic member (3) with which a contacting body makes contact is provided on a long plate (2) so as to extend in the longitudinal direction (LD) and wherein seal members are arranged adjacent to both sides of the elastic member so as to extend in the longitudinal direction.  The elastic member is provided with projections (PR) projecting toward the seal members from side surfaces (SF) of the elastic member which face the seal members and extending in the thickness direction (ZD).

Description

technical field [0001] The present invention relates to a squeegee for OA having an elastic member made of a rubber material or the like followed on one surface side of a plate material formed of a thin, long metal plate or the like. Background technique [0002] In electrophotographic type or electrostatic recording type image forming apparatuses (hereinafter, collectively referred to as “OA apparatuses”) such as copiers, facsimile machines, and printers, various blades are used, including: A developing blade of a certain amount, which is supplied by rotation of a developing roller coated with developer on the outer circumference; a cleaning blade for cleaning a photosensitive drum or a belt; and a transfer blade, etc. These squeegees are called squeegees for OA, and will be described below. [0003] For the above-mentioned scraper for OA, a scraper for OA in which a rubber member is attached to a long sheet made of metal or the like along the length direction of the sheet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00G03G15/08G03G21/10
CPCG03G15/0812G03G21/0017
Inventor 后藤泰平
Owner 株式会社アーケム