US 12,434,938 B2
Sheet processing device
Kazuki Miyata, Sunto Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 3, 2023, as Appl. No. 18/177,783.
Prior Publication US 2024/0294353 A1, Sep. 5, 2024
Int. Cl. B65H 45/30 (2006.01); B65H 7/20 (2006.01); B65H 37/06 (2006.01); B65H 45/16 (2006.01); B65H 45/18 (2006.01)
CPC B65H 45/30 (2013.01) [B65H 7/20 (2013.01); B65H 37/06 (2013.01); B65H 45/16 (2013.01); B65H 45/18 (2013.01); B65H 2301/4474 (2013.01); B65H 2511/224 (2013.01)] 14 Claims
OG exemplary drawing
 
11. An image forming apparatus, comprising:
an image forming component; and
a sheet processing device, comprising:
a pair of folding rollers provided rotatably about an axial line extending in an axial direction and configured to form a first nip;
a blade configured to push a sheet into the first nip along an imaginary reference plane including the first nip and form a fold line on the sheet in cooperation with the pair of folding rollers;
a fold-enhancing component configured to enhance the fold line on the sheet passed through the first nip, the fold-enhancing component comprising a first member and a second member that form a second nip on one side of the imaginary reference plane along a direction of a normal line to the imaginary reference plane and sandwich the fold line; and
a controller configured to control the fold-enhancing component to enhance the fold line on the sheet, only if a number of sheets passed through the first nip is equal to or greater than a predetermined number of sheets, wherein
both of the first member and the second member constitute a roller moving along the fold line.