AT74912B - Double chainstitch buttonhole sewing machine. - Google Patents

Double chainstitch buttonhole sewing machine.

Info

Publication number
AT74912B
AT74912B AT74912DA AT74912B AT 74912 B AT74912 B AT 74912B AT 74912D A AT74912D A AT 74912DA AT 74912 B AT74912 B AT 74912B
Authority
AT
Austria
Prior art keywords
sewing machine
buttonhole sewing
double chainstitch
chainstitch
double
Prior art date
Application number
Other languages
German (de)
Original Assignee
United Shoe Machinery Ab
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 United Shoe Machinery Ab filed Critical United Shoe Machinery Ab
Application granted granted Critical
Publication of AT74912B publication Critical patent/AT74912B/en

Links

Landscapes

  • Sewing Machines And Sewing (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 
 EMI2.2 
 

 <Desc/Clms Page number 3> 

 
 EMI3.1 
 Lagen durch einen   federbetaateten Stift   gegen unbeabsichtigtes Verschieben gesichert werden. Das konische Ende des Stiftes 29 tritt in eine der beiden Taschen (Fig. 3 und 5) des Winkplhebels   : l 21, 22   ein. 



   PATENT-ANSPRÜCHE :
1. Doppelkettenstich-Knopflochnähmaschine mit einer oberhalb und einer unterhalb des Stoffes arbeitenden Nadel, einer Fadenklemme und einer Ausschneidevorrichtung nach Patent Nr. 74911, dadurch gekennzeichnet, dass die die Hauptwelle      an einem bestimmten Punkt zum Stillstand bringende Fangvorrichtung (10) durch eine vom   Arbeiter geführte Vor-     richtung (21, 22, 24),   welche den Anschlag bei Seite dreht, unwirksam gemacht werden kann, so dass der Hauptwelle   (5)   von Hand aus eine Drehbewegung erteilt werden kann, die durch die Vorrichtung zum Abstellen der Fangvorrichtung begrenzt wird.



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 
 EMI2.2
 

 <Desc / Clms Page number 3>

 
 EMI3.1
 Layers can be secured against unintentional displacement by a spring-loaded pin. The conical end of the pin 29 enters one of the two pockets (Fig. 3 and 5) of the angle lever: l 21, 22.



   PATENT CLAIMS:
1. Double chainstitch buttonhole sewing machine with a needle working above and below the fabric, a thread clamp and a cutting device according to Patent No. 74911, characterized in that the safety device (10) which brings the main shaft to a standstill at a certain point is guided by a worker Device (21, 22, 24), which turns the stop sideways, can be made ineffective, so that the main shaft (5) can be given a rotational movement by hand, which is limited by the device for turning off the safety gear.

Claims (1)

2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die zum Unwirksammachen EMI3.2 2. Machine according to claim 1, characterized in that the to ineffective EMI3.2
AT74912D 1912-02-10 1914-03-11 Double chainstitch buttonhole sewing machine. AT74912B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74911XA 1912-02-10 1912-02-10
US74912XA 1913-03-15 1913-03-15

Publications (1)

Publication Number Publication Date
AT74912B true AT74912B (en) 1918-11-11

Family

ID=26677063

Family Applications (1)

Application Number Title Priority Date Filing Date
AT74912D AT74912B (en) 1912-02-10 1914-03-11 Double chainstitch buttonhole sewing machine.

Country Status (1)

Country Link
AT (1) AT74912B (en)

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