Pneumatic apparatus for independently moving one of two presser foot sole plates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 30, 1996
Grant Date -
N/A
app pub date -
May 8, 1995
filing date -
May 8, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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