Sheet Feeder and Image Recorder Having the Same
AssigneeBrother Kogyo Kabushiki Kaisha
InventorAkihiro IKEDA
Life of this patent
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Abstract
A sheet feeder includes a sheet tray configured to support one or more sheets stacked thereon in a slanted state, a feed roller disposed to face a lower end of a top one of the sheets stacked on the sheet tray, the feed roller being configured to feed the sheets, a supporter disposed under the sheet tray movably relative to the feed roller, the supporter being configured to support, on an upper surface thereof, lower ends of the sheets stacked on the sheet tray, and a displacement mechanism configured to displace the supporter farther from the feed roller depending on a pressure which the feed roller applies to the sheets when rotating.
Claims20
A sheet feeder comprising:
- a sheet tray configured to support one or more sheets stacked thereon in a slanted state;
- a feed roller disposed to face a lower end of a top one of the sheets stacked on the sheet tray, the feed roller being configured to feed the sheets;
- a supporter disposed under the sheet tray movably relative to the feed roller, the supporter being configured to support, on an upper surface thereof, lower ends of the sheets stacked on the sheet tray;
- and
- a displacement mechanism configured to displace the supporter farther from the feed roller depending on a pressure which the feed roller applies to the sheets when rotating.
An image recorder comprising:
- a sheet feeder configured to feed a sheet;
- and
- a recoding unit configured to record an image on the sheet fed by the sheet feeder,
- wherein the sheet feeder comprises:
- a sheet tray configured to support one or more sheets stacked thereon in a slanted state;
- a feed roller disposed to face a lower end of a top one of the sheets stacked on the sheet tray, the feed roller being configured to feed the sheets;
- a supporter disposed under the sheet tray movably relative to the feed roller, the supporter being configured to support, on an upper surface thereof, lower ends of the sheets stacked on the sheet tray;
- and
- a displacement mechanism configured to displace the supporter farther from the feed roller depending on a pressure which the feed roller applies to the sheets when rotating.
Dependencies are inferred from the claim text.