Workpiece guide rail including sewing material stretching device

Details Workpiece guide rail including sewing material stretching device Workpiece guide rail including sewing material stretching device

1986-06-19

1987-02-24

Hunter, H. Hampton

Sewing

Special machines

Darning

112305, D05B 2100

Patent

active

046448829

ABSTRACT:
A workpiece guide rail for a sewing machine, and more particularly a guide rail which includes a sewing material stretching device for spreading out the workpiece along the course of a seam prior to sewing. The guide rail includes a frame and a plurality of holding elements movably mounted on the frame, each holding element having a lower surface adapted for gripping the workpiece. The holding elements are interlinked to form a chain, one end of the chain being fixed to the frame, and an actuator is provided on the frame for pulling the other end of the chain for separating the holding elements in order to spread out the workpiece.

REFERENCES:
patent: 2150527 (1939-03-01), Talmadge
patent: 4062309 (1977-12-01), Pollmeier et al.
patent: 4131074 (1978-12-01), Riss
patent: 4258637 (1981-03-01), Hannemann
patent: 4394840 (1983-07-01), Diekmann et al.
patent: 4462321 (1984-07-01), Mall et al.

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