JPS6147988U

JPS6147988U - Sewing machine upper feed dog momentum adjustment mechanism

Info

Publication number: JPS6147988U
Application number: JP13250584U
Authority: JP
Inventors: 寛井出
Original assignee: ジューキ株式会社
Priority date: 1984-08-31
Filing date: 1984-08-31
Publication date: 1986-03-31
Also published as: JPS637189Y2

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、この考案の一実施例の要部拡大側面図、第２
図ａ，ｂはそれぞれこの考案の偏心ピンの拡大斜視図
と、その取付け具、第３図は、この考案を適用できるミ
シンの上送り機構の斜視図、第４図は、第３図Ａ部の拡
大側面図、第５図は、上送り歯の運動軌跡図である。８・・・支持軸、１１・・・布押え腕、１２・・・布押
え足、１４・・・押圧体、２４・・・上下駆動体、２５
・・・作動軸、２６・・・上送り揺動腕、２８・・・上
送り歯、２９・・・上送り運動桿、３４・・・移動体、
３７・・・作動体、３８・・・リンク、３９，４０，４
１，Ｐ・・・ピン、Ｐ′・・・偏心ビン、Ｐ１，Ｐ２・
・・ピン部分、Ｆ，Ｆ２・・・平面部、Ｓ・・・止めね
じ。Figure 1 is an enlarged side view of the main parts of an embodiment of this invention;
Figures a and b are enlarged perspective views of the eccentric pin of this invention and its attachment, Figure 3 is a perspective view of the upper feed mechanism of a sewing machine to which this invention can be applied, and Figure 4 is part A of Figure 3. The enlarged side view of FIG. 5 is a movement locus diagram of the upper feed dog. 8... Support shaft, 11... Cloth presser arm, 12... Cloth presser foot, 14... Pressing body, 24... Vertical drive body, 25
...Operating axis, 26...Upper feed swing arm, 28...Upper feed dog, 29...Upper feed movement rod, 34...Moving body,
37... Working body, 38... Link, 39, 40, 4
1, P... Pin, P'... Eccentric bottle, P1, P2.
...Pin part, F, F2...Plane part, S...Set screw.

Claims

[Scope of utility model registration request]

One end of the link is pivoted on a pin eccentrically fixed to the vertical drive body driven by the operating shaft for driving the upper feed dog of the mini-47, and the other end of the link is pivoted on a moving body etc. and the other end of the actuating body, one end of which is brought into contact with the up-feeding swing arm, is pivotally connected by an eccentric pin, and the mounting rotational position of the eccentric pin to either side of the two other ends is changed. An upper feed dog movement adjustment mechanism for a sewing machine, characterized in that the upper feed dog movement adjustment mechanism is configured to obtain the upper feed dog movement of the sewing machine.