Title:
DEVICE FOR SUPPLYING THE UNDER THREAD IN A SEWING MACHINE AND A SUPPLY METHOD USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/136625
Kind Code:
A2
Abstract:
In a device for supplying the under thread in a sewing machine and a supply method using the same according to the present invention, the device for supplying the under thread in the sewing machine comprises: a rotating drive shaft; a hook body supported on the drive shaft; a bobbin case base which is inserted into the hook body, and which is formed with a bobbin case hole on one side and is formed with a support recess in the centre of the surface inserted into the hook body; a bobbin case body which is inserted into the bobbin case base, and which is formed with a bobbin support mount on one surface and is formed with a small thread guide on the inside of a circumferential wall; and a guide tube which is inserted through the drive shaft and the hook body and into the support recesses, and which is provided with a guide-tube hole formed so as to be longer than the length of the support recesses and shorter than the gap between the hook body and the bobbin case base.
Inventors:
SU HOON (KR)
Application Number:
PCT/KR2011/003258
Publication Date:
November 03, 2011
Filing Date:
May 02, 2011
Export Citation:
Assignee:
SU HOON (KR)
International Classes:
D05B59/00
Foreign References:
| KR20040087213A | 2004-10-13 | |||
| KR19990019244U | ||||
| KR20060058360A | 2006-05-30 | |||
| KR950018797A | ||||
| KR20020043919A | 2002-06-12 |
Attorney, Agent or Firm:
YANG, Moon Ock (KR)
양문옥 (KR)
양문옥 (KR)
Download PDF:
Claims: