Sheet-material associating – Associating and folding – Zigzag package
Patent
1980-08-04
1982-10-26
Watson, Robert C.
Sheet-material associating
Associating and folding
Zigzag package
83 87, 83485, 83487, 83508, 83568, 83583, 83614, 83658, B65H 2946
Patent
active
043557945
ABSTRACT:
In a spreading machine for laying fabric or other sheet material on a cutting table, a cutter box assembly is provided for cutting off the sheet material at the end of each layer spread. The cutter box assembly includes a housing mounted on the spreading machine carriage, a cutter frame movably mounted in the housing, a cutter disk rotatably mounted on said cutter frame, and drive apparatus for moving the cutter frame, and the cutter disk carried thereby, from one end of the housing to the other, when the machine carriage reaches the limit of its travel along the table. A spring-mounted pressure bar bears against the edge of the cutter disk, and the sheet material is fed between the cutter disk and the pressure bar. When the cutter frame is driven in a cutting stroke, the cutter disk rolls along said pressure bar and traverses the sheet material forcing its way through the material to perform a scoring cut and causing the material to part. An extension arm on the cutter frame supports a cam-mounted roller which bears against the rear of the pressure bar, holding the pressure bar against the cutter disk and preventing bunching of the sheet material and interruptions of the cut.
REFERENCES:
patent: 2281877 (1942-05-01), Green
patent: 3024688 (1962-03-01), Romm
patent: 3447409 (1969-06-01), Lewis
patent: 3496817 (1970-02-01), Staats et al.
patent: 3540337 (1970-11-01), Gardner
patent: 3561312 (1971-02-01), Jones
patent: 3858475 (1975-01-01), Thater
patent: 4156378 (1979-05-01), Felten
Adolphson K. Bradford
Levy Edward F.
Spreading Machine Exchange, Inc.
Watson Robert C.
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