Retractable seam gauge for sewing machine and pneumatic spacing

Details Retractable seam gauge for sewing machine and pneumatic spacing Retractable seam gauge for sewing machine and pneumatic spacing

1995-04-10

1997-02-18

Izaguirre, Ismael

Sewing

Work manipulating

Guides

D05B 3510

Patent

active

056032714

ABSTRACT:
A piston and cylinder combination is mounted on the backside of a sewing machine and a piston rod projects from the cylinder toward the bed plate of the sewing machine intermediate the sewing machine head and the support standard. At the lower end of the piston rod is a seam gauge or guide to abut one edge of fabric being sewn by a needle. Retraction of the piston rod retracts the seam gauge from close proximity to the needle and bed plate. The piston and cylinder combination is mounted on a track secured to the back of the sewing machine. The piston and cylinder combination is movable transversely on the track for adjusting the spacing between the seam gauge and the needle.

REFERENCES:
patent: 968346 (1910-08-01), Hamlin
patent: 2971483 (1961-02-01), Cordier
patent: 2977908 (1961-04-01), Winz et al.
patent: 3020864 (1962-02-01), Katz
patent: 3726240 (1973-04-01), Emich
patent: 3875881 (1975-04-01), Marforio
patent: 3949689 (1976-04-01), Galya et al.
patent: 3986467 (1976-10-01), Hornkohl
patent: 4813364 (1989-03-01), Boser
patent: 4854254 (1989-08-01), Hsing
patent: 5331910 (1994-07-01), Mukai et al.

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