JPH0399573U - - Google Patents

Description

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

第１図は本考案のミシンの糸切り装置の動メス
の最後退位置を示す平面図、第２図〜第４図は夫
々従来のミシンの糸切り装置の最後退位置、糸切
り位置及び待機位置を示す平面図である。 １……メス作動リンク、１ａ……係合部、２…
…段ねじ、３……動メス、３ａ……段ねじ、３ｂ
……ピン、３ｃ……糸捕捉部、３ｄ……刃部、３
ｅ……糸捌き部、４……メス固定板、５……固定
メス、５ａ……刃部、６……糸案内板、７……針
落点、８……逃げ穴。 Fig. 1 is a plan view showing the most retracted position of the movable knife of the thread cutting device of the sewing machine of the present invention, and Figs. 2 to 4 show the most retracted position, thread cutting position, and standby of the thread cutting device of the conventional sewing machine, respectively. It is a top view showing a position. 1...Female actuation link, 1a...Engaging portion, 2...
...Step screw, 3...Moving knife, 3a...Step screw, 3b
...Pin, 3c...Thread catching part, 3d...Blade part, 3
e... Thread handling part, 4... Knife fixing plate, 5... Fixed knife, 5a... Blade part, 6... Thread guide plate, 7... Needle drop point, 8... Escape hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 固定メスと、この固定メスに相対的に最後退位
置と待機位置間を移動する動メスと、これら各メ
スを支持するメス固定板とより成り、上記固定メ
スと動メスの協働によつて上下糸を切断するよう
にしたミシンの糸切り装置において、少なくとも
上記固定メスと、待機位置にある上記動メスとに
よつて囲まれる上記メス固定板部分に糸屑の逃げ
穴を形成したことを特徴とするミシンの糸切り装
置。 It consists of a fixed knife, a movable knife that moves between the most retracted position and a standby position relative to the fixed knife, and a knife fixing plate that supports each of these knives. In a thread cutting device for a sewing machine that cuts upper and lower threads, an escape hole for thread waste is formed in at least a portion of the knife fixing plate surrounded by the fixed knife and the movable knife in a standby position. Features sewing machine thread trimming device.