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Patent Searching and Data


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 (1Gunsan P.O.Box, Gunsan-si, Jeonbuk 573-600, 573-600, KR)
Application Number:
KR2011/003258
Publication Date:
November 03, 2011
Filing Date:
May 02, 2011
Export Citation:
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Assignee:
SU, Hoon (1Gunsan P.O.Box, Gunsan-si, Jeonbuk 573-600, 573-600, KR)
International Classes:
D05B59/00
Foreign References:
KR20040087213A2004-10-13
KR19990019244U
KR20060058360A2006-05-30
KR950018797A
KR20020043919A2002-06-12
Attorney, Agent or Firm:
YANG, Moon Ock (ESSEN Patent & Law Firm, 2F. Samheung Yeoksam Bldg.735-10 Yeoksam-dong, Gangnam-gu, Seoul 135-080, 135-080, KR)
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Claims: