JPS5975257U

JPS5975257U - zigzag sewing machine

Info

Publication number: JPS5975257U
Application number: JP17171882U
Authority: JP
Inventors: 博昭深尾
Original assignee: ブラザー工業株式会社
Priority date: 1982-11-12
Filing date: 1982-11-12
Publication date: 1984-05-22

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図はこの考案を具体化したジグザグミシンの斜視図
、第２図は同じく要部正断面図、第３図は要部拡大側断
面図、第４図は要部平断面図、第５図は第４図のｘ−Ｘ
線における断面図である。上軸・・・４、模様カム・・・７ａ、第１の中間部材・
・・１６、連結リンク・・・１７、連係ねし・・・２０
（前記１６．１７．２０等により針棒揺動機構が構成さ
れている）、弾性体として引張ばね・・・２２、位置規
制部材としてのねじ・・・２３、操作連動部材・・・２
８、カム追従子・・・２９、押ボタン・・・３１、板ば
ね・・・３７（前記２８．３７等により追従子係合離脱
機構が構成されている）、係止部材・・・３９、針板・
・・５４、直線縫用針孔・・・５６、ジグザグ縫用針孔
・・・５７、係合突起・・・５９、作動レバー・・・６
２、中間レバー・・・６４、連結ロンド・・・６５（前
記５９゜６２．６４．６５等により連結部材が構成され
ている）。Fig. 1 is a perspective view of a zigzag sewing machine that embodies this idea, Fig. 2 is a front sectional view of the main part, Fig. 3 is an enlarged side sectional view of the main part, Fig. 4 is a plane sectional view of the main part, and Fig. 5 is a sectional view of the main part. The figure is x-X in Figure 4.
FIG. Upper shaft...4, pattern cam...7a, first intermediate member...
...16, Connected link...17, No connection...20
(The needle bar swinging mechanism is constituted by the above 16, 17, 20, etc.), a tension spring as an elastic body...22, a screw as a position regulating member...23, an operation interlocking member...2
8, Cam follower...29, Push button...31, Leaf spring...37 (the follower engagement/disengagement mechanism is constituted by the above 28, 37, etc.), Locking member...39 , throat plate/
...54, Needle hole for straight stitching...56, Needle hole for zigzag sewing...57, Engagement protrusion...59, Operating lever...6
2. Intermediate lever...64, connection rond...65 (the connection member is constituted by the aforementioned 59°62, 64, 65, etc.).

Claims

[Claims for Utility Model Registration] In order to select a desired pattern cam among the plurality of pattern cams 7a that rotate in conjunction with the upper shaft 4, a pattern cam 7a is provided corresponding to each pattern cam 7a, and is located at a pressed position and a return position. A locking member 39 that locks a plurality of push buttons 31 configured to be selectively positioned, a locking member 39 that locks a pressed button 31 in the pressed position, and a locking member 39 that corresponds to the push button 31 pressed to the pressed position. The cam follower 29 is engaged with the desired pattern cam 7a, and the cam follower 29 is disengaged from the desired pattern cam 7a in conjunction with the movement of the push button 31 to the return position. In the sewing machine, the needle bar swinging mechanism 16, 17 controls the horizontal swinging position of the needle bar 21 by the operation of the follower 29 according to the cam surface of the desired pattern cam 7a. .20 toward a predetermined needle drop position when forming a straight stitch; and the elastic body 22 works together to regulate the horizontal swing position of the needle bar 21 to the predetermined needle drop position. the needle plate 54 and the engagement member 23 for moving all of the plurality of push buttons 31 to the return position in connection with switching from the zigzag sewing needle hole 57 to the straight sewing needle hole 56; A zigzag sewing machine including connecting members 59, 62, 64, 65 that connect the stop member 39.