Buttonhole sewing machine
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United States of America Patent
Stats
-
Feb 3, 2004
Grant Date -
Dec 11, 2003
app pub date -
May 28, 2003
filing date -
Jun 10, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A buttonhole sewing machine comprises a buttonhole cutting device which includes a knife and at least one cutting block that cooperates with the knife. Provision is made for a cutting drive for motion of the knife and the cutting block relative to each other by variable cutting force, the cutting drive comprising several linear drives which are connected in parallel and pneumatically actuated selectively.
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Family
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Cited Art Landscape
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