Image reading apparatus to suppress skewing of medium
US-12184821-B2 · Dec 31, 2024 · US
Sheet conveyance unit, image reading device, and image forming apparatus
US8994963B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8994963-B2 |
| Application number | US-201313751260-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 28, 2013 |
| Priority date | Feb 23, 2012 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A sheet conveyance unit including a sheet tray on which a stack of sheets is placed, a sheet feed member to feed sheets from the stack of sheets, a separation/feed unit to separate a topmost sheet from the rest of sheets fed by the sheet feed member and feed the topmost sheet to a predetermined position, and a pre-separation unit disposed between the sheet tray and the separation/feed unit. The pre-separation unit includes a downward sloped portion to guide a leading edge of each sheet diagonally downward, and an upward sloped portion provided downstream from the downward sloped portion in a conveyance direction of the sheets to guide the leading edge of each sheet diagonally upward. Both ends of the upward sloped portion in a lateral direction are sloped upward more gently than the center of the upward sloped portion.
First claim
Opening claim text (preview).
What is claimed is: 1. A sheet conveyance unit, comprising: a sheet tray on which a stack of sheets is placed; a sheet feed member to feed sheets from the stack of sheets placed on the sheet tray; a separation/feed unit to separate a topmost sheet from the rest of sheets fed by the sheet feed member and feed the topmost sheet to a predetermined position; and a pre-separation unit disposed between the sheet tray and the separation/feed unit, the pre-separation unit comprisi…
Assignees
Inventors
Classifications
Operations & Transport · mapped topic
Electricity · mapped topic
Operations & Transport · mapped topic
- H04N1/00628Primary
Electricity · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US8994963B2 cover?
- A sheet conveyance unit including a sheet tray on which a stack of sheets is placed, a sheet feed member to feed sheets from the stack of sheets, a separation/feed unit to separate a topmost sheet from the rest of sheets fed by the sheet feed member and feed the topmost sheet to a predetermined position, and a pre-separation unit disposed between the sheet tray and the separation/feed unit. The…
- Who is the assignee on this patent?
- Osanai Yohei, Youda Yasunobu, Kudoh Taku, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification H04N1/00628. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 31 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).