Linear feed regulating control for a sewing machine

Details Linear feed regulating control for a sewing machine Linear feed regulating control for a sewing machine

1980-04-28

1981-12-01

Reynolds, Wm. Carter

Sewing

Stitch forming

Feeding work material

D05B 2722

Patent

active

043030319

ABSTRACT:
A sewing machine is provided with stitch length control mechanism including a gear rack which is slidably mounted in the base of the machine so that it can be linearly translated to selected positions by an operator, and including a helical gear sector which is operably associated with a feed regulator shaft and meshes with the gear rack at a low helix angle effective to prevent other than operator induced movements of the gear rack.

REFERENCES:
patent: 592510 (1897-10-01), Parkes
patent: 748431 (1903-12-01), Smith
patent: 1238438 (1917-08-01), Rosenman
patent: 3088427 (1963-05-01), Bruscaglioni
patent: 3834334 (1974-09-01), Adams et al.
patent: 4095540 (1978-06-01), Kaltenbach et al.
patent: 4145983 (1979-03-01), Law et al.

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