JPH0243979U - - Google Patents

Description

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

第１図〜第４図は本考案の実施例を示すものに
して第１図は本考案の概要を示す斜視図、第２図
は本考案の上送り歯の上方位置を示す正面状態図
、第３図は本考案の上送り歯の下方位置を示す正
面状態図、第４図は本考案の要部を示す斜視図、
第５図は従来例の構造を示す正面図であり、２は
押え調節ねじ、４は上送り押え棒、５は押え棒、
７は押えばね、１０は上送りばね受け、１１は上
送り押え棒ダキ、１２は上送り上下クランク、１
７は上送り押えばね、１９は上送り上下腕、２１
は押え足、２７は上送り歯、３０は上送り水平腕
、３８は押えばね受けである。 1 to 4 show embodiments of the present invention; FIG. 1 is a perspective view showing an overview of the invention; FIG. 2 is a front view showing the upper position of the upper feed tooth of the invention; FIG. 3 is a front view showing the lower position of the upper feed tooth of the present invention, FIG. 4 is a perspective view showing the main parts of the present invention,
FIG. 5 is a front view showing the structure of a conventional example, in which 2 is a presser foot adjustment screw, 4 is an upper feed presser bar, 5 is a presser bar,
7 is a presser spring, 10 is an upper feed spring receiver, 11 is an upper feed presser bar, 12 is an upper feed upper and lower crank, 1
7 is the upper feed press, 19 is the upper feed upper and lower arms, 21
is a presser foot, 27 is an upper feed dog, 30 is an upper feed horizontal arm, and 38 is a presser spring receiver.

Claims (1)

【実用新案登録請求の範囲】 (1) ミシンのアーム機枠に摺動自在に支持され
た中空状の上送り押え棒４と、該上送り押え棒の
中空部に摺動自在に支持された押え棒５と、該押
え棒の上端部を摺動自在に支持し前記アーム機枠
に装着された押え調節ネジ２と、前記押え棒５の
下端に着脱可能に固着された押え足２１と、前記
上送り押え棒の下端に送り方向に摺動自在に装着
された上送り歯２７と、前記上送り押え棒の上端
に固着された上送り押え棒ダキ１１と、該上送り
押え棒ダキの横軸に回動自在に支持された上送り
上下クランク１２と、該上送り上下クランクの一
端に連結しミシンの運転に連動して揺動する上送
り上下腕１９と、前記上送り上下クランクの他端
を挟持しアーム機枠に固着の案内軸上で摺動自在
に設けられた上送りばね受け１０と、前記上送り
歯に連結してミシンの運動に連動する上送り水平
腕３０とを備えた上下送りミシンにおいて、前記
上送り押え棒ダキの上面に下板を隣接し前記押え
棒に上板を嵌装せしめた断面コ字型の押えばね受
け３８と、該押えばね受けの上面と前記押え調節
ねじの下端との間に介装せしめられた上送り押え
ばね１７と、該上送り押えばねと同軸的に配設さ
れ前記押え棒の中空部の底部と前記押え調節ネジ
の蓋部との間に介装せしめられた押えばね７とを
設けたことを特徴とする上下送りミシンのばね圧
構造。 (2) 前記上送り押えばねの圧力を前記押えばね
の圧力よりも強くしたことを特徴とする実用新案
登録請求の範囲第１項に記載した上下送りミシン
のばね圧構造。[Claims for Utility Model Registration] (1) A hollow upper feed presser bar 4 that is slidably supported on the arm machine frame of the sewing machine, and a hollow upper feed presser bar 4 that is slidably supported in the hollow portion of the upper feed presser bar. a presser foot 5, a presser foot adjustment screw 2 that slidably supports the upper end of the presser rod and is attached to the arm machine frame, and a presser foot 21 that is removably fixed to the lower end of the presser rod 5; The upper feed dog 27 is attached to the lower end of the upper feed presser bar so as to be slidable in the feeding direction, the upper feed presser bar plate 11 is fixed to the upper end of the upper feed presser bar, and the upper feed presser bar plate 11 is fixed to the upper end of the upper feed presser bar. An upper feed upper and lower crank 12 rotatably supported on a horizontal axis; an upper feed upper and lower arm 19 connected to one end of the upper feed upper and lower crank and swinging in conjunction with the operation of the sewing machine; An upper feed spring receiver 10 which is slidably provided on a guide shaft which is clamped at the other end and is fixed to the arm machine frame, and an upper feed horizontal arm 30 which is connected to the upper feed dog and interlocks with the movement of the sewing machine. In the vertical feed sewing machine, the presser spring receiver 38 has a U-shaped cross section and has a lower plate adjacent to the upper surface of the upper feed presser bar, and an upper plate is fitted to the presser bar; An upper feed presser spring 17 is interposed between the lower end of the presser foot adjustment screw, and a bottom portion of the hollow portion of the presser bar and a lid portion of the presser foot adjuster screw are disposed coaxially with the upper feed presser spring. A spring pressure structure for a vertical feed sewing machine, characterized in that a pressing spring 7 is interposed between the vertical feed sewing machine and the pressing spring 7. (2) The spring pressure structure of the vertical feed sewing machine as set forth in claim 1 of the registered utility model, characterized in that the pressure of the upper feed pressing spring is made stronger than the pressure of the pressing spring.