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Lubricant applicator, image forming apparatus, and process cartridge

A technology for supplying device and lubricant, which is applied in the direction of electric recording process applying charge pattern, equipment for electric recording process applying charge pattern, electric recording technique, etc., can solve the problem of inability to detect lubricant, etc. Effect

Active Publication Date: 2014-02-12
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the lubricant adheres to the above-mentioned contact portion, even if the lubricant holding member 143 contacts the first electrode member 181 and the second electrode member 182, it may not be in a conductive state, and there is a possibility that the lubricant "nearly exhausted" may not be detected.

Method used

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  • Lubricant applicator, image forming apparatus, and process cartridge
  • Lubricant applicator, image forming apparatus, and process cartridge
  • Lubricant applicator, image forming apparatus, and process cartridge

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Embodiment Construction

[0046] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following embodiments, although various limitations are made to constituent elements, types, combinations, positions, shapes, quantities, relative arrangements, etc., these are only examples. , the present invention is not limited thereto.

[0047] An embodiment in which the present invention is applied to a printer as an electrophotographic image forming apparatus will be described.

[0048] figure 1 It is a schematic configuration diagram showing a printer according to an embodiment of the present invention.

[0049] In the printer 10 , an intermediate transfer belt 56 serving as an image carrier, that is, an intermediate transfer body, is provided approximately at the center thereof. The intermediate transfer belt 56 is made of a heat-resistant material such as polyimide or polyamide, and is an endless belt made of a substrate adjusted ...

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Abstract

A lubricant applicator includes a block of lubricant, a supply member contactable against the block of lubricant to scrape the block of lubricant, and a lubricant gauge including a first electrode and a second electrode. The lubricant gauge is electrically connected to the first electrode and the second electrode to detect whether an amount of lubricant remaining is less than a threshold value based on establishment of electrical continuity between the first electrode and the second electrode. One of the first electrode and the second electrode includes a projection projecting toward the other one of the first electrode and the second electrode.

Description

technical field [0001] The present invention relates to a lubricant supply device, an image forming device, and a process cartridge. Background technique [0002] In image forming devices such as printers, facsimile machines, and copiers, a lubricant supply device that supplies lubricant to the surface of an image carrier is provided to protect or reduce friction of an image carrier such as a photoreceptor or an intermediate transfer belt. , which is well known. [0003] If the image forming operation is performed in a state where the lubricant is depleted, the protective effect of the lubricant does not work, and therefore, the image carrier wears and deteriorates. Patent Document 1 describes a lubricant supply device that detects "near end" of lubricant. [0004] Figure 26 It is a schematic perspective view showing a lubricant "near-end" detecting unit of the lubricant supply device described in Patent Document 1. [0005] Such as Figure 26 As shown, the lubricant hol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G21/00G03G21/18G03G15/00
CPCG03G15/553G03G21/0094
Inventor 富田大辅新谷刚史工藤经生本城贤二羽鸟聪熊谷直洋藤森彰吉野薰畔柳雄太关秀康后藤良太
Owner RICOH KK
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