Edge guide and fabric feed for sewing machine

Details Edge guide and fabric feed for sewing machine Edge guide and fabric feed for sewing machine

1984-12-20

1986-05-27

Hunter, H. Hampton

Sewing

Elements

Frames

112153, 112306, 112DIG2, D05B 3510

Patent

active

045908761

ABSTRACT:
A pair of superposed flexible web workpieces lying on a horizontal table are fed in a horizontal transport direction to a treatment location downstream of an edge guide having vertically spaced upper, lower, and middle blades defining upper and lower horizontally open slots by continuously horizontally reciprocating the table with a stroke sufficiently long relative to the surface structure of the lower face of the underlying workpiece and at a frequency sufficiently high relative to the inertia of the workpieces that the workpieces will move horizontally relative to the table without substantial friction. An edge of each of the workpieces is engaged in a respective one of the slots and jets of gas are directed from the plates at an angle against the workpieces to hold up the upper and middle plates while urging the workpiece edges into the respective slots substantially out of contact with the plates.

REFERENCES:
patent: 4186674 (1980-02-01), Connor, Jr.
patent: 4315471 (1982-02-01), Torre et al.
patent: 4498407 (1985-02-01), Landwehr et al.

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