JPH01178881U

JPH01178881U -

Info

Publication number: JPH01178881U
Application number: JP7326288U
Authority: JP
Priority date: 1988-06-01
Filing date: 1988-06-01
Publication date: 1989-12-21

Description

[Brief explanation of the drawing]

第１図は、この考案の一実施例を示す図で、同
図ａは概略平面図、同図ｂは概略側面図、第２図
は、四つ穴ボタンの縫い付け状態の平面図で同図
ａは渡り糸のある場合、同図ｂは渡り糸のない場
合を示している。図において、７…ボタン開き板、８…ボタン開
きリンク、１１…ボタンツマミ足、１３…押圧部
。 Fig. 1 is a diagram showing an embodiment of this invention; Fig. 1a is a schematic plan view, Fig. 2b is a schematic side view, and Fig. 2 is a plan view of a four-hole button in a sewn state. Figure a shows the case where there is a crossing thread, and Figure b shows the case where there is no crossing thread. In the figure, 7...button opening plate, 8...button opening link, 11...button knob foot, 13...pressing part.

Claims

[Scope of utility model registration request]

It has a button knob foot that moves to sew two holes on one side of a four-hole button and then two holes on the other, and at the end of each button sewing cycle, the button opening plate that abuts the button opening link is moved horizontally. In the button holding mechanism of a button sewing machine, in which the button knob foot opens via the button knob foot guide and the button holding is released, the button knob foot follows and moves in the horizontal direction to operate on the button opening plate. The button opening plate is placed in a position where it does not come into contact with the button opening link until the sewing cycle for one of the two holes is completed and the button knob foot moves for sewing the other two holes. A button holding mechanism for a button sewing machine, characterized in that the button is held.