Pneumatic sewing machine

Details Pneumatic sewing machine Pneumatic sewing machine

1994-04-25

1995-12-12

Nerbun, Peter

Sewing

Elements

Driving mechanisms

112276, 112DIG3, D05B 6908, D05B 5514

Patent

active

054740037

ABSTRACT:
A pneumatic sewing machine having a housing mounting a presser foot and needle bar for reciprocatory movement and a bobbin for rotary movement, a rocker arm pivotably mounted on the housing having one end attached to the needle bar and the other attached to a pneumatically actuated piston, a rack and pinion operatively connected to the rocker arm for rotating the bobbin, and valve means for controlling delivery of pressurized air from a source to the piston to bring the needle bar proximate the bobbin to perform a stitching operation.

REFERENCES:
patent: 3688713 (1972-09-01), McKeen
patent: 3913508 (1975-10-01), Boser
patent: 4343251 (1982-08-01), Goldbeck et al.
patent: 4414909 (1983-11-01), Bray
patent: 4690081 (1987-09-01), Castagna et al.

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