JPS63196673U

JPS63196673U -

Info

Publication number: JPS63196673U
Application number: JP8704287U
Authority: JP
Priority date: 1987-06-04
Filing date: 1987-06-04
Publication date: 1988-12-19

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので第１図及
び第２図は本実施例が採用されたミシンの内部構
成を示す簡略図、第３図は案内部材及び規制部材
の拡大斜面図である。図中、１３は縫針、１６ａは糸輪捕捉体、２０
は糸輪引締体、２１は移動部材、２１ｂは弾性部
材、５０は案内部材、５１は規制部材である。 The drawings show one embodiment of the present invention. Figures 1 and 2 are simplified diagrams showing the internal structure of a sewing machine in which this embodiment is adopted, and Figure 3 is an enlarged perspective view of a guide member and a regulating member. be. In the figure, 13 is a sewing needle, 16a is a thread loop catcher, and 20
21 is a moving member, 21b is an elastic member, 50 is a guide member, and 51 is a regulating member.

Claims

[Claims for Utility Model Registration] The thread relaxation limit position A is located when the thread loop formed near the eye hole of the sewing needle 13 is expanded to the maximum by the thread loop catcher 16a, and the thread relaxation limit position A is located to tighten the thread loop. A thread ring tightening body that reciprocates in time with the vertical reciprocating movement of the sewing needle 13 so as to cross the thread supply path from the thread supply source to the eye hole of the sewing needle 13 in a predetermined movement range between the thread ring tightening limit position B and the thread ring tightening limit position B. 20, which is disposed close to the thread ring tightening body 20 so as to have a movement locus that at least matches the locus of movement of the thread ring tightening body 20 when tightening the thread ring, and is located at a thread ring tightening limit position of the thread ring tightening body 20; Thread ring tightening body 2 than B
a movable member 21 movable in the direction of yarn loosening movement of the thread ring tightening body 20 from a predetermined stop position C located inside the motion range of 0; and an elastic member 21b that engages the thread 10 when the thread ring tightening body 20 is located between the predetermined stop position C of the moving member 21 and the thread relaxation limit position A. In the thread take-up device of the sewing machine, which can elastically bias the thread 10 in the direction of picking up the thread 10 from the eye of the sewing needle 13, at least a predetermined stopping position C of the moving member 21 is provided.
a guide member 50 fixed to the sewing machine frame in close proximity to the movable member 21 so as to extend along the movement path of the movable member 21; A thread take-up device for a sewing machine, comprising: a regulating member 51 that is moved along the guide member 50.