Sheet post-processing device and image forming system provided therewith

Patent metadata

Field	Value
Publication number	US-11274011-B2
Application number	US-202017016276-A
Country	US
Kind code	B2
Filing date	Sep 9, 2020
Priority date	Sep 11, 2019
Publication date	Mar 15, 2022
Grant date	Mar 15, 2022

Abstract

A sheet post processing device includes a loading tray on which a sheet conveyed thereto is loaded, a side end edge binding stapler fixed at a position opposed to a side end edge, along a conveyance direction, of a sheet bundle of a plurality of sheets loaded on the loading tray, the side end edge binding stapler performing a first binding process on the side end edge, a conveyance unit that moves the sheet bundle on the loading tray in the conveyance direction, and a controller that controls the conveyance unit. The controller can cause the conveyance unit to move the sheet bundle in the conveyance direction so as to perform the first binding process on the sheet bundle with the side end edge binding stapler at a plurality of positions along the side end edge.

First claim

What is claimed is:

1. A sheet post-processing device comprising:
a loading tray on which a sheet conveyed thereto is loaded,
a side end edge binding stapler fixed at a position opposed to a side end edge, along a conveyance direction, of a sheet bundle of a plurality of the sheets loaded on the loading tray, the side end edge binding stapler performing a first binding process on the side end edge;
a conveyance unit that moves the sheet bundle on the loading tray in the conveyance direction;
a controller that controls the conveyance unit; and
a discharge tray provided on a downstream side of the loading tray in the conveyance direction; and
an alignment member that aligns the sheet bundle loaded on the loading tray; and
wherein
the controller can cause the conveyance unit to move the sheet bundle in the conveyance direction relative to the side end edge binding stapler fixed at the position opposed to the side end edge so as to perform the first binding process on the sheet bundle with the side end edge binding stapler at a plurality of positions along the side end edge, and
the conveyance unit includes a discharge roller pair that discharges the sheet bundle toward the discharge tray, and
the side end edge binding stapler is arranged to be opposed to a position for performing the first binding process, with respect to the side end edge of the sheet bundle aligned at a first position on the loading tray by the alignment member, on a downstream-side end part in the conveyance direction, and

the sheet post-processing device further comprising a rear end edge binding stapler that is arranged to be opposed to a position for performing a second binding process, with respect to the sheet bundle aligned at a second position different from the first position on the loading tray in a sheet width direction orthogonal to the conveyance direction by the alignment member, on a rear end edge that is on an upstream side in the conveyance direction that is orthogonal to the side end edge, the rear end edge binding stapler performing the second binding process on the sheet bundle at least at one position along the rear end edge,
wherein
the first binding process is different from the second binding process.

2. The sheet post-processing device according to claim 1 ,
wherein
the side end edge binding stapler is a staple-free stapler without using a staple, and
the rear end edge binding stapler is a stapler that binds with a staple.

3. The sheet post-processing device according to claim 1 ,
wherein
the rear end edge binding stapler is a movable binding-type stapler that moves to a plurality of positions along the rear end edge to perform the second binding process.

4. The sheet post-processing device according to claim 1 ,
wherein
the conveyance unit includes
a regulation member that regulates a position of a rear end edge of the sheet bundle to a predetermined position, the rear end edge being on an upstream side of the sheet bundle in the conveyance direction and orthogonal to the side end edge, and that conveys the sheet bundle by moving in the conveyance direction, and
a regulation member moving mechanism that moves the regulation member in the conveyance direction.

5. The sheet post-processing device according to claim 4 , further comprising
an alignment member that aligns the side end edge of the sheet bundle at a first position on the loading tray,
wherein
the side end edge binding stapler is arranged so as to be opposed to a downstream end, in the conveyance direction, of the side end edge of the sheet bundle aligned at the first position by the alignment member.

6. The sheet post-processing device according to claim 5 , further comprising
a rear end edge binding stapler that is arranged to be opposed to a rear end edge of the sheet bundle aligned at a second position different from the first position on the loading tray by the alignment member, the rear end edge being on an upstream side in the conveyance direction and orthogonal to the side end edge, the rear end edge binding stapler performing a second binding process on the sheet bundle at least at one position along the rear end edge,
wherein
the first binding process is different from the second binding process.

7. The sheet post-processing device according to claim 6 ,
wherein
the side end edge binding stapler is a staple-free stapler without using a staple, and
the rear end edge binding stapler is a stapler that binds with a staple.

8. The sheet post-processing device according to claim 6 ,
wherein
the rear end edge binding stapler is a movable binding-type stapler that moves to a plurality of positions along the rear end edge to perform the second binding process.

9. An image forming system comprising:
the sheet post-processing device according to claim 1 ; and
an image forming apparatus that forms an image on the sheet and feeds the sheet to the sheet post-processing device.

Assignees

• Kyocera Document Solutions Inc

Inventors

• Okada Rina
• Miyazaki Masahiko

Classifications

• B65H31/02

  with stationary end support against which pile accumulates · CPC title

• B65H31/3027

  by the nip between moving belts or rollers (pile being formed between belts or rollers B65H29/145) · CPC title

• B65H31/34

  Apparatus for squaring-up piled articles · CPC title

• B65H2801/27

  Devices located downstream of office-type machines · CPC title

• B65H31/38

  Apparatus for vibrating or knocking the pile during piling · CPC title