BOBBIN CASE OF ROTARY SHUTTLE DEVICE FOR SEWING MACHINE

WIPO Patent Application WO2002018754

A9

Disclosed is a bobbin case of a rotary shuttle device for a sewing machine, in which an under thread pulled out of a bobbin is continuously and stably supplied to a sewing region. The bobbin case comprises a main body integrally provided with a body, and a side portion which is bent downward at a side of the body to have a thick portion at which a fixing hole and adjusting hole is formed and a think portion at which a first and second supporting portion and a supporting piece for supporting and guiding the under thread are formed, the first and second supporting portions being divided by a boundary portion which is formed with a discharging hole for discharging the under thread pulled out of a bobbin from an inner portion of the side portion to an outside; and a guide member formed with a coupling hole and a controlling hole which is corresponding to the fixing hole and the adjusting hole and through which a fastening bolt and a controlling bolt are releasably screwed, wherein one end of the guide member is also formed with a first fixing piece and a second fixing piece which are respectively fixedly inserted into the first and second supporting hole formed at the side portion of the main body, and the second fixing piece forms a path, through which the under thread is passed, together with the supporting piece .

JPH0574481	[Name of device] Bobbin stick case
JPH077895	[Name of device] Bobbin

LEE SANG-CHEOL (KR)
LEE SUNG-IL (KR)

PCT/KR2001/001443

August 08, 2002

August 27, 2001

Click for automatic bibliography generation  

LEEBIZ CO LTD (KR)
LEE SANG-CHEOL (KR)
LEE SUNG-IL (KR)

D05B57/26; (IPC1-7): D05B57/26

View/Download PDF      PDF Help

Previous Patent: EXHAUST SYSTEM FOR LEAN-BURN ENGINES

Next Patent: HEAT EXCHANGER WITH BYPASS SEAL ALLOWING DIFFERENTIAL THERMAL EXPANSION