JPS6355971U - - Google Patents

Description

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

図面はこの考案の一実施例を示すもので、第１
図はミシンの上送り装置を示す正断面図、第２図
は同じく側面図、第３図は第１図の―線平断
面図、第４図はミシン全体を示す正面図である。 １……ミシン機枠、４……布押え棒、６……布
押え、９……上送り歯、２３……第１調整体、２
４……操作ノブ、２５……第１ばね、２６……送
り歯押え棒、２８……第２調整体、２９……第２
ばね、３０……回動体、３５……連結軸、３６…
…係合孔。 The drawing shows one embodiment of this invention.
The figure is a front sectional view showing the upper feed device of the sewing machine, FIG. 2 is a side view, FIG. 3 is a plan sectional view taken along the line -- in FIG. 1, and FIG. 4 is a front view showing the entire sewing machine. DESCRIPTION OF SYMBOLS 1... Sewing machine frame, 4... Fabric presser bar, 6... Fabric presser foot, 9... Upper feed dog, 23... First adjustment body, 2
4...Operation knob, 25...First spring, 26...Feed dog presser bar, 28...Second adjustment body, 29...Second
Spring, 30... Rotating body, 35... Connection shaft, 36...
...Engagement hole.

Claims (1)

【実用新案登録請求の範囲】 ミシン機枠１に昇降可能に嵌挿されかつ布押え６
を備えた布押え棒４と、 前記ミシン機枠１に上下方向へ進退可能に螺合
された第１調整体２３と、 前記布押え棒４と第１調整体２３との間に配設
されかつ前記布押え棒４を下方へ付勢する第１ば
ね２５と、 送り機構によつて布送り動作される上送り歯９
と係合するように前記布押え棒４の中心孔の下部
に昇降可能に嵌挿された送り歯押え棒２６と、 前記布押え棒４の中心孔内における前記送り歯
押え棒２６よりも上方にて上下方向へ進退可能に
螺合された第２調整体２８と、 前記送り歯押え棒２６と第２調整体２８との間
に配設されかつ前記送り歯押え棒２６を下方へ付
勢する第２ばね２９とを備えたミシンの上送り装
置であつて、 前記第１調整体２３の上部には前記第２調整体
２８を上下方向に進退させるための回動体３０を
その回動軸線に沿つて移動不能に配設し、前記回
動体３０と前記第２調整体２８との相互には常時
トルク伝達可能に嵌合しかつ第２調整体２８の上
下動は許容する連結軸３５と係合孔３６とを配設
したことを特徴とするミシンの上送り装置。[Scope of claim for utility model registration] The presser foot 6 is fitted into the sewing machine frame 1 so as to be able to rise and fall.
a first adjusting body 23 screwed onto the sewing machine frame 1 so as to be movable in the vertical direction; and a first adjusting body 23 disposed between the presser foot 4 and the first adjusting body 23. and a first spring 25 that urges the cloth presser bar 4 downward; and an upper feed dog 9 that is operated to feed the cloth by the feed mechanism.
a feed dog presser rod 26 that is movably inserted into the lower part of the center hole of the cloth presser rod 4 so as to engage with the feed dog presser rod 26; a second adjusting body 28 that is screwed together so as to be able to move forward and backward in the vertical direction; and a second adjusting body 28 that is disposed between the feed dog presser bar 26 and the second adjuster body 28 and urges the feed dog presser bar 26 downward. The upper feeding device of the sewing machine is equipped with a second spring 29 for moving the second adjusting body 28 upwardly and downwardly. a connecting shaft 35 which is disposed immovably along the rotational body 30 and the second adjusting body 28 and is fitted between the rotary body 30 and the second adjusting body 28 so as to be able to transmit torque at all times, and which allows vertical movement of the second adjusting body 28; An upper feed device for a sewing machine, characterized in that an engagement hole 36 is provided.