Fabric top feeder for a sewing machine

Details Fabric top feeder for a sewing machine Fabric top feeder for a sewing machine

1981-09-18

1982-12-21

Hunter, H. Hampton

Sewing

Stitch forming

Feeding work material

112220, D05B 2706

Patent

active

043643213

ABSTRACT:
A fabric workpiece fed along the worktable of a sewing machine by the intermittent movement of the fabric-advance dogs operating through openings in the worktable, is also engaged by an intermittently rotated feed wheel above the worktable. The stepwise rotary movement, whose stepping angle can be varied in a stepless manner, is imparted to the wheel by the output element of a planetary-gear transmission, one input of which is connected to a stepless transmission while the other input is connected to a crank drive with a steplessly variable output-oscillation angle establishing a dwell period.

REFERENCES:
patent: 2966810 (1961-01-01), Hayes
patent: 3095765 (1963-07-01), Perla
patent: 3196815 (1965-07-01), Von Hagen
patent: 3605662 (1971-09-01), Willenbacher et al.

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