JPH0215080U

JPH0215080U -

Info

Publication number: JPH0215080U
Application number: JP9422888U
Authority: JP
Priority date: 1988-07-16
Filing date: 1988-07-16
Publication date: 1990-01-30

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す斜視図、第２図
は側面図、第３図は要部の平面図、第４図はガイ
ド板を後方から見た斜視図、第５図は同上方から
見た斜視図、第６図イ，ロは折返しと縫製状態を
示す説明図、第７図イ，ロ，ハは押え金の切換状
態を示す説明図、第８図はガイドローラの側面図
、第９図は生地押え手段とセンサの位置を示す説
明図、第１０図は縫着状態を示す平面図、第１１
図は各部の作動状態を示すタイムチヤートである
。１：ミシン本体、２：折返し溝、３：ガイド板
、４：ガイドローラ、５：生地押え手段、６：押
え金、７：押上げ手段、８：センサ、１０：生地
片、１３：針板、１４：送り歯、３４：生地端、
３５，３６：止め縫い、３７：千鳥縫い。 Fig. 1 is a perspective view showing an embodiment of the present invention, Fig. 2 is a side view, Fig. 3 is a plan view of the main part, Fig. 4 is a perspective view of the guide plate seen from the rear, and Fig. 5 is the same as above. Figure 6 A and B are explanatory diagrams showing folding and sewing states; Figure 7 A, B, and C are explanatory diagrams showing presser foot switching states; and Figure 8 is a side view of the guide roller. 9 is an explanatory diagram showing the positions of the fabric pressing means and the sensor, FIG. 10 is a plan view showing the sewing state, and FIG.
The figure is a time chart showing the operating status of each part. 1: Sewing machine body, 2: Folding groove, 3: Guide plate, 4: Guide roller, 5: Fabric pressing means, 6: Presser foot, 7: Pushing up means, 8: Sensor, 10: Fabric piece, 13: Throat plate , 14: Feed dog, 34: Fabric edge,
35, 36: Securing stitch, 37: Staggered stitch.

Claims

[Claim for Utility Model Registration] In an automatic sewing machine that is capable of sewing the inner edges of a pair of fabric pieces placed side by side in a staggered or ladder shape, etc., A guide plate having a folding groove for folding the ends facing each other, a guide roller that keeps the advancing direction of the piece of dough on the guide plate in the feeding direction of the feed dog, and pressing the piece of dough against a needle plate or the like. a dough pressing means for stopping the feeding of the dough piece, a normal position for pressing the dough piece against the feed dog with a presser foot so that the dough piece does not slip, an intermediate position for pressing the dough piece so that it slips, and a dough piece. An automatic sewing machine characterized by being equipped with a push-up means for switching the presser foot to either a release position or a release position where the presser foot cannot be pressed, and a sensor that detects the edge of the fabric.