AT170138B - Intermittently acting thread tensioning device for sewing machines - Google Patents

Intermittently acting thread tensioning device for sewing machines

Info

Publication number
AT170138B
AT170138B AT170138DA AT170138B AT 170138 B AT170138 B AT 170138B AT 170138D A AT170138D A AT 170138DA AT 170138 B AT170138 B AT 170138B
Authority
AT
Austria
Prior art keywords
tensioning device
sewing machines
thread tensioning
intermittently acting
acting thread
Prior art date
Application number
Other languages
German (de)
Original Assignee
Singer Mfg Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Singer Mfg Co filed Critical Singer Mfg Co
Application granted granted Critical
Publication of AT170138B publication Critical patent/AT170138B/en

Links

AT170138D 1945-05-14 1948-11-10 Intermittently acting thread tensioning device for sewing machines AT170138B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US170138XA 1945-05-14 1945-05-14

Publications (1)

Publication Number Publication Date
AT170138B true AT170138B (en) 1952-01-25

Family

ID=21780247

Family Applications (1)

Application Number Title Priority Date Filing Date
AT170138D AT170138B (en) 1945-05-14 1948-11-10 Intermittently acting thread tensioning device for sewing machines

Country Status (1)

Country Link
AT (1) AT170138B (en)

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