Quilting machine loopers with linkage/piston driven thread cutters
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United States of America Patent
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Dec 14, 1993
Grant Date -
N/A
app pub date -
Sep 23, 1992
filing date -
Jul 17, 1992
priority date (Note) -
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Abstract
An electronically controlled multi-needle quilting machine including linking cylinder arranged between an eccentric integral with a rotating spindle and a lever, to drive in an oscillating motion a number of loopers which, in combination with a number of corresponding needles, perform stiching operations by double chain stitches on a layered material interposed between said members, said linking cylinder comprising a pneumatic cylinder controlled to change the extension of its rod during the various operational steps, whereby the link length is changed and the loopers may reach a position in which, by being provided with a blade they perform a cutting operation on thread of respective needle.
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