JPS585672U

JPS585672U - Sewing machine feed mechanism for welt stitching

Info

Publication number: JPS585672U
Application number: JP9880281U
Authority: JP
Inventors: 飯田　洋一
Original assignee: 株式会社三田製作所
Priority date: 1981-07-01
Filing date: 1981-07-01
Publication date: 1983-01-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

添附図面第１図〜第９図は本考案の実施例を示し、第１
図〜第３図は第一の実施例を示し、第１図は断面図、第
２図は針板の斜視図、第３図は下部送り歯の斜視図、次
いで第４図〜第６図は第二の実施例を示し、第４図は断
面図、第５図は針板の斜視図、第６図は下部送り歯の斜
視図、次いで第７図、第８図は縫っている所を説明する
為の図、第９図は縫製結果物の一例図、更に第１０図、
第１２図は従来例を示し、第１０図は断面図、第１１図
は縫っている所の図、第１２図は縫製結果物の図であり
、図中１は針板、２は下部送り歯、３は上押え、４は針
穴、５は上押えの下面の丸い凹部、６は下部送り歯又は
針板の上面の丸い凹部、Ａは玉縁、Ｂは玉、Ｃは片、Ｄ
、　Ｄ’は布地、Ｎは針のささる位置である。The attached drawings, FIGS. 1 to 9, show embodiments of the present invention.
3 to 3 show the first embodiment, FIG. 1 is a sectional view, FIG. 2 is a perspective view of the throat plate, FIG. 3 is a perspective view of the lower feed dog, and FIGS. 4 to 6 shows the second embodiment, FIG. 4 is a sectional view, FIG. 5 is a perspective view of the throat plate, FIG. 6 is a perspective view of the lower feed dog, and then FIGS. 7 and 8 are sewing parts. Figure 9 is an example of the sewing result, and Figure 10 is for explaining the
Fig. 12 shows a conventional example, Fig. 10 is a sectional view, Fig. 11 is a view of the sewing area, and Fig. 12 is a view of the sewing result. Teeth, 3 is the upper presser foot, 4 is the needle hole, 5 is the round recess on the lower surface of the upper presser foot, 6 is the lower feed dog or the round recess on the upper surface of the throat plate, A is the bead edge, B is the bead, C is the piece, D
, D' is the fabric, and N is the position where the needle is inserted.

Claims

[Scope of utility model registration request]

It consists of a throat plate 1 and a lower feed dog 2 on the lower side, an upper presser foot 3 and a needle on the upper side, and the lower surface of the upper presser foot 3 is formed with a round recess 5 into which the upper half of the ball B of the bead edge A is inserted. In the feed mechanism of a sewing machine for welt stitching, there is a round recess 6 on the upper surface of the lower feed dog 2, or between the upper surface of the lower feed dog 2 and the upper surface of the throat plate 1, on which the lower half of the ball B of the welt A sits. A feed mechanism for a sewing machine for welt stitching, characterized by forming a .