Folder for sheet paper such as letter-mail, fliers and the like

Details Folder for sheet paper such as letter-mail, fliers and the like Folder for sheet paper such as letter-mail, fliers and the like

1994-02-25

1996-01-30

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

B65H 4514

Patent

active

054877180

ABSTRACT:
A housing, having therein only one, driven, rotatable drum, receives sheet paper for in-folding or Z-folding, selectively. Abutments, within the housing, delimit travel of the leading edge of the paper, causing the paper to buckle, there behind, and form a nip or fold; the latter is directed between the drum and a guide to one of the abutments, causing the paper to fold again. Then the fully folded paper is discharged from the housing. One of the abutments is retractable, to accommodate a Z-fold, or extendable to enable an in-fold.

REFERENCES:
patent: 4573672 (1986-03-01), Lehmann
patent: 4842574 (1989-06-01), Noble
patent: 5076556 (1991-12-01), Mandel
patent: 5147275 (1992-09-01), Staniszewski

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