Sheet manufacturing apparatus, paper supplying device, and paper shredding device

1. A paper supplying device comprising:

a stacking unit configured to stack paper;

a transferring unit configured to transfer paper stacked in the stacking unit from the lowermost paper; and

removing units configured to remove a binder attached to paper,

wherein the removing units are provided so as to overlap in a transfer direction of paper along a transfer path of paper by the transferring unit.

2. The paper supplying device according to claim 1 ,

wherein the removing units are provided in a direction intersecting the transfer direction and are alternately arranged.

3. The paper supplying device according to claim 2 ,

wherein the at least one removing unit has a plurality of protrusions and at least one of the protrusions is formed to abut the binder.

4. The paper supplying device according to claim 2 ,

wherein the at least one removing unit has protrusions and the protrusions are provided at a pitch of equal to or less than half an inner width of the binder.

5. The paper supplying device according to claim 2 ,

wherein a first removing unit and a second removing unit, which are arranged so as to overlap in the transfer direction, respectively have protrusions, and

wherein the protrusions of the first removing unit and the protrusions of the second removing unit are arranged so as to be alternately positioned.

6. The paper supplying device according to claim 2 ,

wherein the removing units are provided to incline in the transfer direction.

7. The paper supplying device according to claim 2 , further comprising:

a storage unit configured to store the binder removed by the removing units.

8. The paper supplying device according to claim 2 ,

wherein the removing units are detachably fixed.