Title:
BOBBIN THREAD AUTOMATIC CHANGING SYSTEM FOR SEWING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/166887
Kind Code:
A1
Abstract:
The present invention relates to a bobbin thread automatic changing system for a sewing machine, and the purpose of the present invention is to automatically replace a bobbin thread in a sewing machine so that a continuous sewing operation is performed. In other words, the present invention provides a bobbin thread automatic changing system for a sewing machine, the bobbin thread automatic changing system comprising: a bobbin thread winding portion for winding a thread on a reel accommodated in a bobbin thread; a bobbin thread winding and installing portion for installing and separating the reel of a bobbin thread onto/from the bobbin thread winding portion, the bobbin thread being separated from the sewing machine; a bobbin thread transfer device for transferring the bobbin thread winding and installing portion to a space between the bobbin thread winding portion and the sewing machine; a bobbin thread sewing machine installing portion for picking up the bobbin thread installed on the bobbin thread winding and installing portion for installing the bobbin thread on the sewing machine; and a bobbin thread winding control portion for controlling the winding of the thread on the reel accommodated in the bobbin thread according to a user's setting.
Inventors:
KANG HONG-GUN (KR)
KIM CHANG-GYUM (KR)
KIM CHANG-GYUM (KR)
Application Number:
PCT/KR2020/001733
Publication Date:
August 20, 2020
Filing Date:
February 07, 2020
Export Citation:
Assignee:
KANG HONG-GUN (KR)
KIM CHANG-GYUM (KR)
KIM CHANG-GYUM (KR)
International Classes:
D05B59/00
Foreign References:
| KR100392848B1 | 2003-11-28 | |||
| JPH078666A | 1995-01-13 | |||
| KR960029511A | 1996-08-17 | |||
| US5143004A | 1992-09-01 | |||
| JPH0775695A | 1995-03-20 |
Attorney, Agent or Firm:
KIM, Yong-Dae (KR)
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