Flat material folding device

Details Flat material folding device Flat material folding device

1975-06-04

1977-01-11

Burr, Edgar S.

Sheet-material associating

Associating or disassociating

Sheet associating

270 61, 270 79, B65H 4500

Patent

active

040023311

ABSTRACT:
A flat material folding device is operative to fold flat material, such as napkins and the like, in a manner to have at least three folds extending transversely of the material and a center fold extending normal to the three folds. The folding device includes rollers positioned adjacent an entry for material to be folded to receive and move an intermediate portion of the flat material therebetween forming a first fold and moving the material along a folding path. A pair of laterally spaced arms and material grippers are on the path and receive respective side edge portions of the flat material spreading same and operable to move same along the path and form the second and third folds with respective portions of the material in face-to-face relation. A center folding device includes a pair of rollers engageable with a center portion of the material having the three transverse folds and operative to move the material therebetween to form the center fold extending normal to the three folds.

REFERENCES:
patent: 842721 (1907-01-01), Sturtevant
patent: 3419261 (1968-12-01), Sjostrom

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