Method and device for feeding signatures on to a sewing machine

Details Method and device for feeding signatures on to a sewing machine Method and device for feeding signatures on to a sewing machine

1989-06-02

1990-11-06

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271225, 271270, 271271, 271277, 271202, 271204, 271146, B65H 502

Patent

active

049680170

ABSTRACT:
A method and device for feeding signatures on to a fixed horizontal saddle of an input conveyor to a sewing machine; whereby the signatures, arranged with the backs facing rearwards, lying in respective vertical planes parallel to the fixed saddle, and separated by a distance of less than the maximum width of the signatures, are fed along a conveyor sloping downwards in the travelling direction of the input conveyor; the signatures being fed in an oblique direction in relation to the backs; each signature having a top corner projecting laterally from the stream of signatures travelling along the conveyor, which corner is engaged by a number of suction type parting heads located along, and moving reciprocatingly in the travelling direction of the signatures along the conveyor; and the signatures being so fed to an accelerating device designed to successively withdraw the signatures off the conveyor, and transfer the same, now parted, on to the fixed saddle; the parted front corner of each signature being guided, during transfer, by a fixed curved supporting plate, and being the first to engage the fixed saddle.

REFERENCES:
patent: 4333559 (1982-06-01), Reist
patent: 4684117 (1987-08-01), Honegger
patent: 4747817 (1988-05-01), Newsome

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