Looper changeover device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 24, 1989
Grant Date -
N/A
app pub date -
Jul 12, 1982
filing date -
Aug 11, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A looper changeover device for a sewing maching capable of making overlocked stitches is improved by having a manually operable, rotatable selector mechanism for securing and selectively positioning a looper with respect to a looper holder and a looper driving mechanism between a first position and a second position wherein the looper can be moved along separate paths for the selective production of overlocked stitches with one needle and three threads or one needle and two threads. The rotatable selector mechanism can include a rotatable disk or dial supported by the holder and engaging a portion of the looper for positioning and securing the looper in either of the first and second positions.
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