JPH0376567U

JPH0376567U -

Info

Publication number: JPH0376567U
Application number: JP13879289U
Authority: JP
Priority date: 1989-11-30
Filing date: 1989-11-30
Publication date: 1991-07-31

Description

[Brief explanation of the drawing]

第１図は、この考案に係るボタン付けミシンの
ボタン保持装置の一実施例を示す外観斜視図、第
２図は、第１図のボタン保持装置の構成を示す外
観斜視図、第３図は、ボタン縫着時の糸浮かし棒
の状態を示す一部切欠斜視図、第４図は、ボタン
保持装置の作用を示す図で、同図ａは、ボタン縫
着時のボタン保持装置を示す側面図、同図ｂは、
ボタンの取り付け、取り出し時のボタン保持装置
を示す側面図、第５図は、従来の技術を示す図で
、同図ａは、ボタン保持装置の要部を示す一部切
欠斜視図、同図ｂは、同図ａのボタン保持装置の
糸浮かし縫い状態を示す断面図である。図において、Ａ……ボタン保持装置、Ｃ……昇
降機構、Ｄ……糸浮かし機構、１……糸浮かし棒
、２……ボタンツマミ足、４……回動体、４ａ…
…付勢バネ。 FIG. 1 is an external perspective view showing an embodiment of a button holding device for a button sewing machine according to the present invention, FIG. 2 is an external perspective view showing the configuration of the button holding device of FIG. 1, and FIG. , a partially cutaway perspective view showing the state of the thread floating rod when sewing buttons; FIG. 4 is a diagram showing the action of the button holding device; FIG. Fig. b is
FIG. 5 is a side view showing a button holding device when attaching and taking out a button; FIG. 5 is a diagram showing a conventional technique; FIG. FIG. 2 is a cross-sectional view showing the button holding device of FIG. In the figure, A...button holding device, C...lifting mechanism, D...thread floating mechanism, 1...thread floating rod, 2...button knob foot, 4...rotating body, 4a...
...Biasing spring.

Claims

[Scope of Claim for Utility Model Registration] A pair of button knob legs for holding the button, a thread floating mechanism for sewing the button with thread floating, and a pair of button knob legs and thread floating mechanism for sewing the button on the workpiece. and a lifting mechanism for raising and lowering the thread, and the thread lifting mechanism includes a thread lifting rod whose tip is positioned above or below the button during sewing, and a rear end of the thread lifting rod rotatably supported. The rotating body is composed of a rotating body that reciprocates in accordance with the operation of the button sewing machine, and a biasing spring that biases the rotating body in a direction in which the tip of the thread lifting rod protrudes upward or downward from the button. A button holding device for a button sewing machine, characterized in that a thread floating rod is made to appear and disappear depending on the user's needs.