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US 10,481,543 B2Granted
Sheet processing device and image forming system
AssigneeFuji Xerox Co., Ltd.
InventorsYutaka Nobe, Satoshi Kurihara
Life of this patent
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Abstract
A sheet processing device includes a first pressing unit that presses sheets with a first force, and a second pressing unit that presses the sheets with a second force larger than the first force after the sheets are pressed with the first force. The sheets are bound by the second force.
Claims11
A sheet processing device comprising:
- a first pressing device configured to press sheets with a first force;
- a second pressing device configured to press the sheets with a second force larger than the first force only after the sheets are pressed with the first force;
- a binding device configured to bind the sheets by a force by clamping the sheets;
- and
- a first member and a second member that clamps and binds the sheets with the first member
- a restricting device that does not decrease the distance between the first member and the second member at the binding position when a force larger than or equal to a preset force is applied in a direction opposite from a direction in which the binding device clamps the sheets while the first force is applied to the binding device,
- wherein the sheets are bound by the second force,
- wherein the first pressing device applies the first force, with which the binding device clamps the sheets, to the binding device,
- wherein the second pressing device applies the second force larger than the first force to the binding device after the first force is applied to the binding device,
- wherein the binding device binds the sheets by the second force,
- wherein the first pressing device moves the first member and the second member close to each other by the first force at a binding position where the first member and the second member bind the sheets,
- wherein the second pressing device moves the first member and the second member closer to each other by the second force at the binding position than when the first force is applied so that the sheets are bound by the first member and the second member, and
- wherein the second pressing device applies the second force to the binding device when a distance between the first member and the second member at the binding position is less than or equal to a preset threshold value.
10 more elements
An image forming system comprising:
- an image forming apparatus that forms an image on at least one sheet, the at least one sheet including a plurality of sheets;
- and
- a sheet processing device that conducts a preset processing on the plurality of sheets on which the image is formed,
- wherein the sheet processing device includes
- a first pressing device that presses the sheets with a first force;
- and
- a second pressing device that presses the sheets with a second force larger than the first force only after the sheets are pressed with the first force,
- a binding device configured to bind the sheets by a force by clamping the sheets;
- and
- a first member and a second member that clamps and binds the sheets with the first member
- a restricting device that does not decrease the distance between the first member and the second member at the binding position when a force larger than or equal to a preset force is applied in a direction opposite from a direction in which the binding device clamps the sheets while the first force is applied to the binding device,
- wherein the sheets are bound by the second force,
- wherein the first pressing device applies the first force, with which the binding device clamps the sheets, to the binding device,
- wherein the second pressing device applies the second force larger than the first force to the binding device after the first force is applied to the binding device,
- wherein the binding device binds the sheets by the second force,
- wherein the first pressing device moves the first member and the second member close to each other by the first force at a binding position where the first member and the second member bind the sheets,
- wherein the second pressing device moves the first member and the second member closer to each other by the second force at the binding position than when the first force is applied so that the sheets are bound by the first member and the second member, and
- wherein the second pressing device applies the second force to the binding device when a distance between the first member and the second member at the binding position is less than or equal to a preset threshold value.
15 more elements
Dependencies are inferred from the claim text.