Sheet Conveyance Device and Image Forming Apparatus That Promptly Reduces Generation of Electromotive Force during Jam Process
US-2015378300-A1 · Dec 31, 2015 · US
Image forming apparatus
US8998196B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8998196-B2 |
| Application number | US-201414307967-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 18, 2014 |
| Priority date | Jul 6, 2012 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
Official abstract text for this publication.
An image forming apparatus includes a first roller to come into contact with a first side of a recording medium and a second roller and a third roller to come into contact with a second side of the recording medium opposite the first side. Each of the first roller, the second roller, and the third roller includes a plurality of increased diameter portions and a plurality of decreased diameter portions alternately arranged in an axial direction of each of the first roller, the second roller, and the third roller to produce an uneven outer circumferential surface thereof. The increased diameter portions of the first roller overlap the increased diameter portions of each of the second roller and the third roller, respectively, with a clearance therebetween.
First claim
Opening claim text (preview).
What is claimed is: 1. An image forming apparatus comprising: a first roller to come into contact with a first side of a recording medium that bears an image to convey the recording medium; a second roller disposed opposite the first roller; and a third roller disposed opposite the first roller and aligned with the second roller in a recording medium conveyance direction, the second roller and the third roller to come into contact with a second side of the recording medium o…
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- What does patent US8998196B2 cover?
- An image forming apparatus includes a first roller to come into contact with a first side of a recording medium and a second roller and a third roller to come into contact with a second side of the recording medium opposite the first side. Each of the first roller, the second roller, and the third roller includes a plurality of increased diameter portions and a plurality of decreased diameter p…
- Who is the assignee on this patent?
- Tsuda Masaaki, Ricoh Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B65H5/062. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).