Retractable seam gauge for sewing machine and pneumatic spacing adjustment
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United States of America Patent
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-
Feb 18, 1997
Grant Date -
N/A
app pub date -
Apr 10, 1995
filing date -
Apr 10, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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