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US 7,025,347 B2Granted
Sheet aligning apparatus
AssigneeCanon Denshi Kabushiki Kaisha
InventorsHironori Masui, Kazuhide Sugiyama, Jun Tanaka
Life of this patent
Estimating the term…
Abstract
A sheet feeding apparatus in which after a bundle of sheets is placed in an erect posture on a sheet supporting stand, the bundle of sheets placed on the sheet supporting stand is continuously vibrated upward and downward for a predetermined time, and is moved in a sheet feeding direction by an aligning portion to be hit against a hitting portion, and the bottom edges and the side edges of the bundle of sheets are accordingly aligned.
Claims11
A sheet feeding apparatus comprising:
- a sheet supporting stand which supports a bundle of sheets in an erect posture;
- a sheet feeding portion which feeds the bundle of sheets supported by said sheet supporting stand;
- a pressure portion which thrusts the bundle of sheets toward said sheet feeding portion during feeding by said sheet feeding portion;
- an aligning portion which vibrates the bundle of sheets upward and downward and moves the bundle of sheets in a sheet feeding direction while supporting the bundle of sheets at at least two locations of said sheet supporting stand;
- and
- a hitting portion arranged to be hit against leading edges of the bundle of sheets moved by said aligning portion,
- wherein said pressure portion is moved by a driving portion under control of a control portion so as to weaken a pressing force exerted on the bundle of sheets during an aligning operation of said aligning portion.
4 more elements
Dependencies are inferred from the claim text.