Pneumatic apparatus for independently moving one of two presser

Details Pneumatic apparatus for independently moving one of two presser Pneumatic apparatus for independently moving one of two presser

1995-05-08

1996-07-30

Izaguirre, Ismael

Sewing

Elements

Presser devices

D05B 2908

Patent

active

055401635

ABSTRACT:
A support block is attached to the lower end of a presser foot lifter shaft of a sewing maching to support two separately mounted sole plates of 9 presser foot. One of the sole plates is mechanically retractable by a pneumatic piston and cylinder combination at the option of the operator and this is accomplished by an extension of the piston rod which is mechanically connected to one of the sole plates.

REFERENCES:
patent: 621145 (1899-03-01), Rontke
patent: 1852482 (1932-07-01), Seavers et al.
patent: 2481286 (1949-09-01), Bouwkamp et al.
patent: 2611333 (1952-03-01), Ritter
patent: 2652016 (1953-09-01), Enos
patent: 2807225 (1957-09-01), Pisano
patent: 3661102 (1972-05-01), Tice
patent: 3796173 (1974-03-01), Godsen
patent: 4777893 (1988-10-01), Bauer et al.

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