Sheet folding apparatus
First Claim
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1. A sheet folding apparatus, comprising:
- an inlet for receiving a sheet material from outside of the sheet folding apparatus;
an outlet for discharging the sheet material to outside of the sheet folding apparatus;
a sheet material processing station for processing the sheet material, the processing station being disposed along a path of sheet material movement between said inlet and said outlet and including a plurality of sheet processing units each having a couple of folding rollers, a deflector and a folding position controlling passage;
a first passage for communicatng said inlet with said sheet processing station;
a second passage for communicating said sheet processing station with said outlet;
a third passage for directly communicating said inlet and said outlet; and
an inlet deflector for selectively directing the sheet material received by said inlet to said first passage or to said third passage.
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Abstract
A sheet folding apparatus including a plurality of sheet processing units each having a couple of folding rollers, a deflector and a folding position controlling passage. One set of the apparatus is sufficient to effect two-folding, z-folding and reversed z-folding of the sheet. A guiding member is disposed closely adjacent to the nip of the folding roller couple for conveying the sheet out of the folding positions controlling passage and for forming a new fold. When the sheet is three-folded, an undesirable double fold is prevented, which may otherwise be produced by an undesirable fold formed adjacent to the already formed fold when the sheet is folded second time.
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Citations
8 Claims
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1. A sheet folding apparatus, comprising:
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an inlet for receiving a sheet material from outside of the sheet folding apparatus; an outlet for discharging the sheet material to outside of the sheet folding apparatus; a sheet material processing station for processing the sheet material, the processing station being disposed along a path of sheet material movement between said inlet and said outlet and including a plurality of sheet processing units each having a couple of folding rollers, a deflector and a folding position controlling passage; a first passage for communicatng said inlet with said sheet processing station; a second passage for communicating said sheet processing station with said outlet; a third passage for directly communicating said inlet and said outlet; and an inlet deflector for selectively directing the sheet material received by said inlet to said first passage or to said third passage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification