JPH021085U

JPH021085U -

Info

Publication number: JPH021085U
Application number: JP7700188U
Authority: JP
Priority date: 1988-06-10
Filing date: 1988-06-10
Publication date: 1990-01-08

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例による工業用ミシ
ンの布押え装置の主要部を示す断面図、第２図は
第１図に示した布押え装置の主要部の構成部品を
示す分解斜視図、第３図は従来の工業用ミシンの
布押え装置を示す一部断面を含む正面図、第４図
は第３図に示した布押え装置の構成部品を示す分
解斜視図、第５図は布押え装置可動部運動の計算
例を示す図である。図において、１はアームヘツド、２０は押え足
、２１は押え足部、２２は支持杆部、２３は支持
穴、２４，２５はばね受、３０は案内手段として
の押え棒、３１，３２は内筒部、３５は弾性体と
しての押えばね、３６，３７は係合手段としての
ピンばねを示す。なお、図中、同一符号は同一又
は相当部分を示す。 Fig. 1 is a sectional view showing the main parts of a presser foot device for an industrial sewing machine according to an embodiment of the invention, and Fig. 2 is an exploded perspective view showing the main components of the presser foot device shown in Fig. 1. , FIG. 3 is a front view including a partial cross section showing a conventional presser foot device of an industrial sewing machine, FIG. 4 is an exploded perspective view showing the components of the presser foot device shown in FIG. 3, and FIG. FIG. 6 is a diagram showing an example of calculation of the movement of the movable part of the presser foot device. In the figure, 1 is an arm head, 20 is a presser foot, 21 is a presser foot part, 22 is a support rod part, 23 is a support hole, 24 and 25 are spring receivers, 30 is a presser bar as a guide means, and 31 and 32 are inner parts. The cylindrical portion 35 represents a pressing spring as an elastic body, and 36 and 37 represent pin springs as engagement means. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

An inner cylindrical portion is formed, a guide means is slidably supported on the arm head in an adjustable position, a presser foot is rotatably supported at one end, and the other end is rotatably supported within the guide means. A presser foot is inserted into the cylindrical portion and includes a support rod portion slidably engaged with the inner cylindrical portion, and a presser foot is inserted into the inner cylindrical portion of the guide means so as to press the presser foot toward the workpiece. A presser foot device for a sewing machine comprising an inserted elastic body.