JPH0372877U

JPH0372877U -

Info

Publication number: JPH0372877U
Application number: JP13455089U
Authority: JP
Priority date: 1989-11-20
Filing date: 1989-11-20
Publication date: 1991-07-23
Anticipated expiration: 2004-11-20
Also published as: JPH088784Y2

Description

[Brief explanation of drawings]

第１図と第２図は本考案の一実施例に係る縫製
装置の全体構成を示す斜視図、第３図は同装置を
構成する下治具を示す斜視図、第４図は同装置に
設けられたミシン本体の布送り機構の要部を示す
拡大斜視図、第５図は下治具の要部拡大斜視図、
第６図は第１布片の搬送方向を示す説明図、第７
図は第２布片の搬送方向を示す説明図、第８図は
縫い合わせ部に吊り綿布を縫着し第１布片と第２
布片を示す部分拡大図、第９図は吊り綿布を案内
するガイド部材を示す斜視図、第１０図は車両用
シートのシートバツクカバーを示す斜視図、第１
１図は同カバーの天板部分を構成する第１布片を
示す正面図、第１２図は同カバーの天板アツパを
構成する第２布片の正面図、第１３図は第１布片
と第２布片の縫い合わせ部を示す拡大断面図であ
る。符号の説明、１……第１布片、１ａ……凹状円
弧形端部、１ｂ……縫い目、２……第２布片、２
ａ……凸状円弧形端部、２ｂ……縫い目、１０…
…ミシンテーブル、１１，１２……カム溝、２０
……ミシン本体、２２……ミシン針、２３……布
押さえ金、２４……送り歯、３０……下治具、３
１，３２……ガイドピン、３３……カム溝、３４
……チエーンガイド、３５……ステツピングモー
タ、３６……チエーンベルト、４０……上治具、
４１，４２……ガイドピン。 1 and 2 are perspective views showing the overall configuration of a sewing device according to an embodiment of the present invention, FIG. 3 is a perspective view showing a lower jig constituting the device, and FIG. An enlarged perspective view showing the main part of the fabric feeding mechanism of the sewing machine main body provided, FIG. 5 is an enlarged perspective view of the main part of the lower jig,
FIG. 6 is an explanatory diagram showing the conveyance direction of the first cloth piece, and the seventh
The figure is an explanatory diagram showing the conveyance direction of the second piece of cloth, and Fig. 8 is an explanatory diagram showing the conveying direction of the second piece of cloth.
FIG. 9 is a partially enlarged view showing a piece of cloth; FIG. 9 is a perspective view showing a guide member for guiding the hanging cotton cloth; FIG. 10 is a perspective view showing a seat back cover of a vehicle seat;
Figure 1 is a front view of the first piece of cloth that makes up the top plate of the cover, Figure 12 is a front view of the second piece of cloth that makes up the top of the cover, and Figure 13 is the first piece of cloth. FIG. 3 is an enlarged cross-sectional view showing the sewn portion of the second cloth piece. Explanation of symbols, 1...First cloth piece, 1a...Concave arc-shaped end, 1b...Seam, 2...Second cloth piece, 2
a... Convex arc-shaped end, 2b... Seam, 10...
...Sewing machine table, 11, 12...Cam groove, 20
... Sewing machine body, 22 ... Sewing machine needle, 23 ... Cloth presser foot, 24 ... Feed dog, 30 ... Lower jig, 3
1, 32...Guide pin, 33...Cam groove, 34
... Chain guide, 35 ... Stepping motor, 36 ... Chain belt, 40 ... Upper jig,
41, 42...Guide pin.

Claims

[Scope of utility model registration request]

a lower jig that is movably installed on the sewing machine table and is driven by a cloth feeding mechanism of the sewing machine body to convey a first piece of cloth having a concave arc-shaped end; a first cam means for controlling the direction of movement of the lower jig relative to the sewing machine needle so that a seam is formed along the concave arcuate end; and a first cam means movably disposed on the lower jig; an upper jig for positioning a second piece of cloth having a convex arcuate end with respect to a first piece of cloth placed on the jig, and transporting the second piece of cloth; and an upper jig provided on the lower jig. an upper jig driving means for driving the upper jig in synchronization with the lower jig; and an upper jig driving means provided on the lower jig to form a seam on the second cloth piece along the convex arcuate end. a second cam means for controlling the moving direction of the upper jig relative to the sewing machine needle so that the upper jig is moved relative to the sewing machine needle.