JPS63171162U

JPS63171162U -

Info

Publication number: JPS63171162U
Application number: JP6462587U
Authority: JP
Priority date: 1987-04-28
Filing date: 1987-04-28
Publication date: 1988-11-08
Anticipated expiration: 2002-04-28
Also published as: JPH0534635Y2

Description

[Brief explanation of drawings]

第１図はこの考案を具体化したミシンの布保持
装置の一実施例を示す要部縦断面図、第２図は同
装置の平面図、第３図は第１図に対応して上挾持
部材を開放させた状態を示す要部縦断面図、第４
図は第３図のＡ―Ａ線における断面図、第５図は
中子部材のコーナ部を示す部分斜視図、第６図は
加工布を縫着後に裏返した状態を示す部分断面図
である。１……下挾持部材、５……上挾持部材、２０…
…中子部材、２３，２４……突出壁、２３ａ，２
４ａ……凹凸部。 Fig. 1 is a vertical sectional view of essential parts showing an embodiment of a cloth holding device for a sewing machine embodying this invention, Fig. 2 is a plan view of the same device, and Fig. 3 corresponds to Fig. 1. Main part longitudinal sectional view showing the state where the member is opened, No. 4
The figure is a cross-sectional view taken along the line A-A in Figure 3, Figure 5 is a partial perspective view showing the corner part of the core member, and Figure 6 is a partial cross-sectional view showing the state where the work cloth is turned inside out after being sewn. . 1...Lower clamp holding member, 5...Upper clamp holding member, 20...
... Core member, 23, 24 ... Projection wall, 23a, 2
4a...Uneven portion.

Claims

[Claims for Utility Model Registration] 1. A pair of clamping members 1 and 5 that can be opened and closed for clamping two work cloths W1 and W2, and a space between the work cloths W1 and W2 between the clamping members 1 and 5. A cloth holding device for a sewing machine is provided with a core member 20 that is arranged, and is capable of sewing along the outer shape of the core member 20 in a state where one work cloth W1 is inflated with respect to the other work cloth W2. One clamping member 5 is provided with protruding walls 23 and 24 that protrude toward the other clamping member 1 along at least the outside of the core member 20.
4. A cloth holding device for a sewing machine, characterized in that concavo-convex portions 23a and 24a extending toward the other clamping member 1 are formed at the tip of the holding member 4. 2. The core member 20 has a substantially frame shape, and a pair of the protruding walls 23, 24 are provided so as to be located on the outside and inside of the core member 20, and both the protruding walls 23, 2
4. The presser foot device for a sewing machine according to claim 1, wherein the four uneven portions 23a, 24a are alternately formed on both sides of the core member 20.