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US 8,523,175 B2Granted
Sheet transport apparatus and image forming apparatus including the same
AssigneeSharp Kabushiki Kaisha
InventorsYoshiyuki Kobayashi, Masaharu Kimura, Kohji Aoki
Life of this patent
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Abstract
A sheet transport apparatus includes a sheet transport portion that transports a sheet in a first transport direction and a second transport direction, a bending member that bends without breaking the sheet by corrugating the sheet in an orthogonal direction, and a restriction member that restricts, in a perpendicular direction, a corrugation in the sheet bent by the bending member. The restriction member is provided on an upstream side in the first transport direction of the bending member.
Claims13
A sheet transport apparatus comprising:
- a sheet transport portion that transports a sheet in a first transport direction and a second transport direction that is opposite to the first transport direction;
- a bending member that bends without breaking the sheet by corrugating the sheet in an orthogonal direction that is orthogonal to the transport direction of the sheet and conforms to a surface of the sheet;
- and
- a restriction member that restricts, in a perpendicular direction that is orthogonal to both the first transport direction and the second transport direction, and the orthogonal direction, a corrugation in the sheet bent by the bending member,
- wherein the restriction member is provided on an upstream side in the first transport direction of the bending member,
- wherein the restriction member is provided on the upstream side in the first transport direction of a tip in the perpendicular direction of the bending member, and
- wherein the sheet transport portion comprises a pair of transport rollers for transporting the sheet, and is configured to transport the sheet in a horizontal direction, diagonally upward or diagonally downward,
- the tip of the bending member is provided on a downstream side in the first transport direction of a nip portion of the pair of transport rollers, and the bending member is configured to bend a transported sheet by corrugating the transported sheet in the orthogonal direction from above, and
- the restriction member is configured to restrict the corrugation from below the sheet.
6 more elements
A sheet transport apparatus comprising:
- a sheet transport portion that transports a sheet in a first transport direction and a second transport direction that is opposite to the first transport direction;
- a bending member that bends without breaking the sheet by corrugating the sheet in an orthogonal direction that is orthogonal to the transport direction of the sheet and conforms to a surface of the sheet;
- and
- a restriction member that restricts, in a perpendicular direction that is orthogonal to both the first transport direction and the second transport direction, and the orthogonal direction, a corrugation in the sheet bent by the bending member,
- wherein the restriction member is provided on an upstream side in the first transport direction of the bending member
- wherein the restriction member is a flexible member having elasticity that is smaller than a force with which the sheet transport portion transports the sheet.
3 more elements
A sheet transport apparatus comprising:
- a sheet transport portion that transports a sheet in a first transport direction and a second transport direction that is opposite to the first transport direction;
- a bending member that bends without breaking the sheet by corrugating the sheet in an orthogonal direction that is orthogonal to the transport direction of the sheet and conforms to a surface of the sheet;
- and
- a restriction member that restricts, in a perpendicular direction that is orthogonal to both the first transport direction and the second transport direction, and the orthogonal direction, a corrugation in the sheet bent by the bending member,
- wherein the restriction member is provided on an upstream side in the first transport direction of the bending member,
- wherein the sheet transport apparatus comprises a plurality of first transport rollers provided on a same axis, a plurality of second transport rollers that are provided opposing the plurality of first transport rollers and on a same axis, a pair of transport rollers configured to transport the sheet while holding the sheet between the first transport rollers and the second transport rollers that are rotated, a bending roller that is provided on the same axis as that of at least one of the first transport rollers and the second transport rollers, and has a diameter larger than that of the transport rollers provided on the same axis as that of the bending roller, and a bending guide portion provided in a central position of a transported sheet in the orthogonal direction, and
- the restriction member restricts the corrugation in the sheet bent by the bending guide portion out of the bending roller and the bending guide portion.
4 more elements
Dependencies are inferred from the claim text.