Sewing machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12054867
APP PUB NO 20230077246A1
SERIAL NO

17800965

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Importance

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Abstract

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A sewing machine has seam-forming tools, comprising a needle for guiding an upper thread and a looper. The needle is designed as a curved needle which is pivotable about a needle pivot axis. This embodiment is such that a distance of the curved needle from the pivot axis is equal to a radius of a curve of the curved needle about the pivot axis. The looper is designed as a looper which is rotatable about a looper rotational axis and has a lower thread reserve. The looper rotational axis runs parallel to a sewing material support region. The sewing machine can be used to produce a durable seam.

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Patent Owner(s)

Patent OwnerAddress
PFAFF INDUSTRIESYSTEME UND MASCHINEN GMBH67661 KAISERSLAUTERN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Becker, Berthold Rimbach, DE 6 4
Kallenbach, Harald Heltersberg, DE 5 3
Samstag, Stefan Lorsch, DE 5 10

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