Method and means for transporting and orienting limp plys of fab

Details Method and means for transporting and orienting limp plys of fab Method and means for transporting and orienting limp plys of fab

1975-10-30

1979-06-12

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 84, 271189, 271233, 271267, B65H 504, B65H 906

Patent

active

041578236

ABSTRACT:
The disclosure relates to method and apparatus for orienting a limp ply of fabric, in preparation for delivery to a sewing operation, for example. The ply is separated from a ply stack and deposited on a flat shutter plate, which transports the ply to a predetermined discharge or deposit position. The trailing edge of the ply is then engaged at spaced points by orienting lugs extending downward from a pair of pivotally supported sweep arms. As the flat shutter plate is withdrawn, the edge of the ply is engaged by the orienting lugs, retaining the ply in the deposit position. At the same time, the sweep arms are pivoted to move the orienting lugs outward along the edge of the ply, which serves to rotationally orient the ply, as necessary, so that the edge is properly engaged by both of the spaced lugs. When the shutter plate is completely withdrawn the now-oriented ply drops onto a conveyor for transport to a further operation, such as folding and sewing.
To a particular advantage, the orienting lugs are offset somewhat from the end extremities of the sweep arm, providing portions of the sweep arm to overlie the trailing edge region of the limp ply and thereby confine the limp material against lifting and/or curling. This assures proper engagement of the lugs with the trailing edge of the ply and provides for optimum effectiveness in the orienting operation.

REFERENCES:
patent: 2200937 (1940-05-01), Stolper
patent: 2438896 (1948-04-01), Bowen et al.
patent: 2565054 (1951-08-01), Watrous
patent: 3031187 (1962-04-01), Sano et al.
patent: 3353821 (1967-11-01), Smith et al.

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