JPS60106587U

JPS60106587U - Sewing machine seam foot adjustment device

Info

Publication number: JPS60106587U
Application number: JP20320883U
Authority: JP
Inventors: 小池　練治; 博之大野; 市川　守男
Original assignee: アイシン精機株式会社
Priority date: 1983-12-26
Filing date: 1983-12-26
Publication date: 1985-07-20
Also published as: JPS6345256Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、ミシンに本考案装置を装着した側面断面図、
第２図及び第３図は、縫目押え７の装動状態を表わす縫
断面図、第４図は、本考案装置の構成部品を表わした立
体斜視図、第５図は、送り調節ツマミと連結腕との関連
部分を表わした縦断　　　″面拡大図、第６図は、本考
案装置主要部の拡大側面図、及び第７図は、第６図の主
要部の構成部品分解斜視図である。１・・・・・・ミシンアーム、２・・・・・・上軸、５
・・・・・・縫目押え作動腕、６・・・・・・取付体、
７・・・・・・縫目押え、７ａ・・・・・・ピン、９・
・・・・・作動腕、１０・・・・・・送りカム、１１・
・・・・・送り二叉、１３・・・・・・送り調節ツマミ
、１４・・・・・・調節ネジ、１５・・・・・・連結杆
、１６・・・・・・連結腕、１７・・・・・・軸、１８
・・・・・・調節腕、１９・・・・・・リンク、１９ａ
・・・・・・ピン、２１・・・・・・縫目押え調節片、
２１ａ・・・・・・長孔、２４・・・・・・送り調節カ
ム、２５・・・・・・リンクの二叉部。Figure 1 is a side sectional view of a sewing machine equipped with the device of the present invention;
2 and 3 are sewing cross-sectional views showing the stitch presser 7 in the installed state, FIG. 4 is a three-dimensional perspective view showing the components of the device of the present invention, and FIG. 5 is a feed adjustment knob and FIG. 6 is an enlarged side view of the main part of the device of the present invention, and FIG. 7 is an exploded perspective view of the main parts of the main part of FIG. 6. 1...Sewing machine arm, 2...Upper shaft, 5
... seam presser operating arm, 6... mounting body,
7...Seam presser, 7a...pin, 9.
...Operating arm, 10...Feed cam, 11.
...Feed two prongs, 13...Feed adjustment knob, 14...Adjustment screw, 15...Connection rod, 16...Connection arm, 17...Axis, 18
...Adjustable arm, 19...Link, 19a
... Pin, 21 ... Seam presser adjustment piece,
21a...Long hole, 24...Feed adjustment cam, 25...Two prongs of link.

Claims

[Scope of utility model registration request]

A feed cam is fixed to the upper shaft provided on the sewing machine arm, two feed prongs are fitted to the feed cam, a feed adjustment cam is swingably fitted to the feed two prongs, and the feed is adjusted by the feed adjustment cam. In a sewing machine in which an adjusting screw protruding from a knob is engaged, one end of a connecting rod is engaged with the adjusting screw, the other end is swingably attached to a connecting arm, and the connecting arm and adjusting arm are connected to a shaft. The two prongs of the link are engaged with the end faces of the adjustment arm, and are made to be able to swing around a shaft supported by a mounting body having a pin supported at the other end, and the pin and seam pusher are connected to each other. The two prongs provided on the adjustment piece are fitted together, a long hole is provided in the seam presser adjustment piece, a shaft is fitted into the long hole, and the seam presser is adjusted in conjunction with the operation of the feed adjustment knob. The adjustment piece is made to be adjustable back and forth in the sewing direction, and is further moved up and down by a seam presser operating arm that is linked to a seam presser arm that is pivotally supported by a pin on the mounting body and is fitted in a swingable manner. This is a sewing machine's seam presser adjustment device.