JPH047070U

JPH047070U -

Info

Publication number: JPH047070U
Application number: JP4726290U
Authority: JP
Priority date: 1990-05-02
Filing date: 1990-05-02
Publication date: 1992-01-22

Description

[Brief explanation of the drawing]

第１図乃至第６図は本考案の一実施例を示すも
ので、第１図は開口部を開放させた状態のベツド
部の上面図、第２図はクロスプレートと補助プレ
ートとの斜視図、第３図は補助プレート部分の縦
断側面図、第４図はベツド部の上面図、第５図は
開口部を開放させた状態のベツド部の斜視図、第
６図はミシンの斜視図である。また、第７図及び
第８図は従来例を示すもので、第７図はベツド部
の上面図、第８図は開口部を開放させた状態のベ
ツド部の上面図である。図面中、２２はベツド部、２６は針至、２７は
下糸、２８はクロスプレート、２９は開口部、３
２は補助プレート、３２ａは先端縁部、３３はあ
り溝部、３４は板ばね、３５はボス部、３６は天
秤機構、３７は下糸ガイド、３９はカム、４０は
糸捌き土台、４４は前カバーを示す。 Figures 1 to 6 show an embodiment of the present invention, in which Figure 1 is a top view of the bed section with the opening opened, and Figure 2 is a perspective view of the cross plate and the auxiliary plate. , Fig. 3 is a longitudinal cross-sectional side view of the auxiliary plate portion, Fig. 4 is a top view of the bed part, Fig. 5 is a perspective view of the bed part with the opening opened, and Fig. 6 is a perspective view of the sewing machine. be. Further, FIGS. 7 and 8 show a conventional example, in which FIG. 7 is a top view of the bed section, and FIG. 8 is a top view of the bed section with the opening section open. In the drawing, 22 is a bed part, 26 is a needle point, 27 is a lower thread, 28 is a cross plate, 29 is an opening, 3
2 is an auxiliary plate, 32a is a tip edge, 33 is a dovetail groove, 34 is a leaf spring, 35 is a boss, 36 is a thread take-up mechanism, 37 is a bobbin thread guide, 39 is a cam, 40 is a thread handling base, and 44 is a front Showing the cover.

Claims

[Scope of utility model registration request]

A bottom part with a built-in looper below the throat plate,
an opening provided near the looper in a part of the upper surface of the bed part and a part of the front surface connected thereto; and an auxiliary plate that is detachably attached to the bed part and closes the upper surface of the opening. , a front cover that is openable and closable on the front surface of the bed portion and covers the front surface of the opening; and a lower thread guide that guides the lower thread fed out from the lower thread supply source to the looper through the lower part of the front cover. A sewing machine.