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US 11,866,280 B2Granted
Document feeder
AssigneePfu Limited
InventorYoshito Hirai
Life of this patent
Estimating the term…
Abstract
A document feeder includes a document placement member that has a placement surface, a sucker that has a suction surface on which a part of a document placed on the placement surface is sucked and sucks air from a space formed between the document placement member and the suction surface, a blower that blows air into the space, and a paper feeder that conveys the document in a conveyance direction along the placement surface, wherein the suction surface is inclined relative to the placement surface such that the space is narrower toward the upstream side in the conveyance direction.
Claims7
A document feeder comprising:
- a document placement member that has a placement surface on which a document is placed;
- a sucker that has a suction surface, the sucker being arranged on an upper side of the document placement member such that the placement surface faces the suction surface, the sucker sucking air from a space formed between the document placement member and the suction surface such that a first part of the document adheres to the suction surface of the sucker;
- a blower that blows air into the space;
- and
- a paper feeder that:
- while the first part of the document adheres to the suction surface, conveys a second part different from the first part of the document in a conveyance direction along the placement surface such that a crease formed between the first part and the second part is unfolded;
- and
- conveys the second part of the document in the conveyance direction such that the first part of the document separates from the suction surface,
- wherein the suction surface is inclined relative to the placement surface such that the space is narrower toward an upstream side in the conveyance direction.
6 more elements
Dependencies are inferred from the claim text.