JPS6177970U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、従来の上送り機構を示す正面図、第
２図ａおよびｂは、本考案の上送り機構の第１実
施例を示す正面図および側面図、第３図ａおよび
ｂは、本考案の上送り機構の第２の実施例を示す
正面図および側面図である。 FIG. 1 is a front view showing a conventional top feed mechanism, FIGS. 2 a and b are front and side views showing a first embodiment of the top feed mechanism of the present invention, and FIGS. 3 a and b are FIG. 7 is a front view and a side view showing a second embodiment of the upper feed mechanism of the present invention.

Claims (1)

【実用新案登録請求の範囲】 機枠に上下動可能に支持した押え棒２０と、押
え棒２０の下端に支持し布押え足１８を具備した
支持体１７と、 上送り歯７を支持し布送り方向先方に延出する
連結部８ｃと平平な面を有する受部材８ａとを形
成し常には下方への作用力を受ける揺動体８と、
基部を支持体１７に対して回動自在に支持し下端
に揺動体８の連結部８ｃに回動自在に連結した回
動リンク２５と、 中央部を支持体１７に対して回動自在に支持し
一端を揺動体８の受部材８ａの下方に延出した昇
降リンク２６とを備え、主軸に連動する第一およ
び第二連動機構を介して回動リンク２５と昇降リ
ンク２６の運動により上送り歯７を水平往復およ
び上下動するように構成したことを特徴とするミ
シンの上送り機構。[Claims for Utility Model Registration] A presser bar 20 supported on the machine frame so as to be movable up and down; a support 17 supported at the lower end of the presser bar 20 and equipped with a presser foot 18; A rocking body 8 that forms a connecting portion 8c extending forward in the feeding direction and a receiving member 8a having a flat surface and always receives a downward acting force;
A rotating link 25 whose base part is rotatably supported on the support body 17 and whose lower end is rotatably connected to the connecting part 8c of the rocking body 8; and a central part is rotatably supported on the support body 17. It is provided with an elevating link 26 whose one end extends below the receiving member 8a of the rocking body 8, and is moved upward by the movement of the rotating link 25 and the elevating link 26 via the first and second interlocking mechanisms interlocked with the main shaft. An upper feed mechanism for a sewing machine, characterized in that teeth 7 are configured to move horizontally and vertically.