Sewing machine feeder system

Details Sewing machine feeder system Sewing machine feeder system

1975-07-07

1977-03-22

Hunter, H. Hampton

Sewing

Work manipulating

Guides

112205, D05B 3510

Patent

active

040130266

ABSTRACT:
A sewing machine feeder system includes a fluid powered clamp assembly which applies tension to the plies of material being pulled into the needle of a sewing machine by the feed dogs, with more tension being applied to the lower ply of material. The effective point of application of the tension to the plies of material is offset to the left from the line of pull of the feed dogs which causes the plies of material to tend to turn in a counterclockwise direction into a vertical guide, and the plies of material are maintained in a flat and unwrinkled configuration against the vertical guide so that the plies of material hold themselves properly aligned from the guide to the needle of the sewing machine.

REFERENCES:
patent: 3815530 (1974-06-01), Denton
patent: 3905316 (1975-09-01), Mall
patent: 3924551 (1975-12-01), Heiler et al.

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