Sheet operative member, and sheet conveying apparatus and image processing apparatus using the sheet operative member
AssigneeCanon Kabushiki Kaisha
InventorsAkira Yuza, Kenichi Kobayashi
Life of this patent
Estimating the term…
Abstract
The present invention relates to a sheet operative member contacting a sheet and conveying with frictional force the sheet or separating the sheet, the sheet operative member comprising a plurality of protrusions on an operative surface with the sheet. Each of the protrusions includes a standing portion standing up from the operative surface and a spherical portion disposed at a distal end of the standing portion.
Claims13
A sheet operative member contacting a sheet and conveying with frictional force the sheet or separating the sheet, the sheet operative member comprising:
- a plurality of protrusions on an operative surface with the sheet;
- and each of the protrusions including:
- a standing portion standing up from the operative surface;
- and
- a spherical portion disposed at a distal end of the standing portion.
A sheet conveying apparatus for conveying a sheet, comprising:
- a conveyance roller for contacting the sheet and conveying the sheet by rotation thereof,
- the conveyance roller having a plurality of protrusions on an operative surface with the sheet;
- and
- each of the protrusions including:
- a standing portion standing up from the operative surface;
- and
- a spherical portion disposed at a distal end of the standing portion.
A sheet conveying apparatus for conveying a sheet separately one by one out of a plurality of sheets, comprising:
- a conveyance member for applying conveyance force to a sheet;
- and
- a separation pad for contacting the sheet being conveyed and separating one of the sheets out of the plural sheets,
- the separation pad having a plurality of protrusions on an operative surface with the sheet;
- and
- each of the protrusions including:
- a standing portion standing up from the operative surface;
- and
- a spherical portion disposed at a distal end of the standing portion.
An image processing apparatus for forming an image on a sheet, comprising:
- an image forming means for forming the image;
- a sheet conveying apparatus for feeding the sheet to the image forming means,
- the sheet conveying apparatus including a sheet operative member contacting the sheet and conveying with frictional force the sheet or separating the sheet, the sheet operative member including:
- a plurality of protrusions on an operative surface with the sheet;
- and
- each of the protrusions including:
- a standing portion standing up from the operative surface;
- and
- a spherical portion disposed at a distal end of the standing portion.
An image processing apparatus comprising:
- an image reading means for reading an image on an original document sheet;
- and
- a sheet conveying apparatus for feeding the original document sheet to the image forming means,
- the sheet conveying apparatus including a sheet operative member contacting the original document sheet and conveying with frictional force the original document sheet or separating the original document sheet, the sheet operative member including:
- a plurality of protrusions on an operative surface with the original document sheet;
- and
- each of the protrusions including:
- a standing portion standing up from the operative surface;
- and
- a spherical portion disposed at a distal end of the standing portion.
Dependencies are inferred from the claim text.