Double fold automatic folding apparatus

Details Double fold automatic folding apparatus Double fold automatic folding apparatus

1975-07-07

1977-11-22

Eickholt, E. H.

Sheet-material associating

Associating or disassociating

Sheet associating

270 80, 271 64, B65H 4518

Patent

active

040592588

ABSTRACT:
A double fold automatic folding apparatus for selectively developing a second fold in a previously folded article. The apparatus includes a reversible roller which, in one direction of rotation, serves to bypass the second folder and, in an opposite direction of rotation, operates to divert a previously folded article into a position for engagement by the second folder. After the article is diverted to the second folder, the roller is further operable so that the double folded article is drawn out of the second folder toward a conveyor which transports the double folded article to an exit portion of the automatic folding apparatus. Various elements may be optionally provided to assist in diverting the article toward engagement with the second folder and in rendering the operation of the apparatus more effective.

REFERENCES:
patent: 2871010 (1959-01-01), Likens
patent: 2974948 (1961-03-01), Malott
patent: 3472506 (1969-10-01), Rabinow
patent: 3475018 (1969-10-01), Mattka
patent: 3749393 (1973-07-01), Wolfelsperger

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