Upper roller feed mechanism for a sewing machine

Details Upper roller feed mechanism for a sewing machine Upper roller feed mechanism for a sewing machine

1976-09-29

1978-02-14

Hunter, H. Hampton

Sewing

Stitch forming

Chain or double chain

112212, 112214, 112237, D05B 2706, D05B 2710

Patent

active

040732487

ABSTRACT:
An improved upper roller feeding mechanism for a sewing machine which mechanism is contained entirely within the head of the frame of the sewing machine and wherein the roller is driven by a drive mechanism supported by the frame which includes a rotary shaft and means for converting the rotating movement of the shaft into an oscillating movement. A one way clutch is utilized to translate the oscillating motion into incremental rotary movement which is in turn transmitted to the roller.

REFERENCES:
patent: 1368293 (1921-02-01), Ringe
patent: 1736297 (1929-11-01), Weis
patent: 2678010 (1954-05-01), Pinkvoss

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