Needle bar drive in sewing machines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 10, 1984
Grant Date -
N/A
app pub date -
May 27, 1982
filing date -
Jun 10, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Needle bar drive in a sewing machine comprising a crank driven by a connecting rod provided on the main shaft for transmitting reciprocating motion to the needle bar and by a rod connected to the needle bar gate and driven by a linear motor in order to impart to the needle bar transverse movements relative to the sewing direction. A joint type connection between the connecting rod and the needle bar is provided in order to allow a smooth rational operation to the assembly.
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Family
International Classification(s)
Cited Art Landscape
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