Apparatus for transporting single sheets of different rectangula

Details Apparatus for transporting single sheets of different rectangula Apparatus for transporting single sheets of different rectangula

1981-12-18

1984-05-01

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to align sheet

271184, 271225, 271250, 271265, 198394, B65G 4724, B65H 710, B65H 908

Patent

active

044456794

ABSTRACT:
Apparatus for transporting single flexible sheets having different rectangular formats in succession to an automatic device for further processing. The apparatus includes: a flat sheet-advancement path for transporting the sheets in a transporting direction to the automatic device; a sheet advancing mechanism for advancing each sheet in a straight line on the path in the transporting direction; a switchable rotation-inducing mechanism switchable into active position in which it grips the sheet to form a stationary axis of rotation for the sheet at a selected location along the path; and a plurality of sensors spaced apart along the path and connected to the rotation-inducing mechanism for sensing each sheet being transported along the path, recognizing at least one selected sheet format and switching the rotation-inducing mechanism into its active position in response to recognition of the at least one selected format, the sheet advancing mechanism being constructed to permit slippage of a sheet at the selected location for permitting such rotation to occur.

REFERENCES:
patent: 2243557 (1941-05-01), Finster
patent: 2712936 (1955-07-01), Backhouse
patent: 3521880 (1970-07-01), Shebanow et al.
patent: 4155440 (1979-05-01), Bogdanski et al.
patent: 4192495 (1980-03-01), Heinzelmann et al.

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