JPH0162778U

JPH0162778U -

Info

Publication number: JPH0162778U
Application number: JP1987157739U
Authority: JP
Priority date: 1987-10-15
Filing date: 1987-10-15
Publication date: 1989-04-21
Also published as: JPH0437599Y2

Description

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

第１図及び第２図は本考案を具体化した一実施
例を示し、第１図は一部破断して示す正面図、第
２図はその要部のみを拡大して示す側断面図、第
３図は従来技術を示す正断面図である。図中、６はミシンアーム、７は針棒、８は針、
１３は押え棒、１４は押え足、１７は揺動板、１
９は回動レバー、２０はリンク、２２はコロ、３
０は摺動体、３２はクランプ、３２２は第２連結
部、３５はベルクランクである。 1 and 2 show an embodiment embodying the present invention; FIG. 1 is a partially cutaway front view; FIG. 2 is an enlarged side sectional view of only the essential parts; FIG. 3 is a front sectional view showing the prior art. In the figure, 6 is a sewing machine arm, 7 is a needle bar, 8 is a needle,
13 is a presser bar, 14 is a presser foot, 17 is a rocking plate, 1
9 is a rotating lever, 20 is a link, 22 is a roller, 3
0 is a sliding body, 32 is a clamp, 322 is a second connecting portion, and 35 is a bell crank.

Claims

【実用新案登録請求の範囲】シミンアーム６に上下動可能に支承され、下端
に針８が取着された針棒７と、前記ミシンアームに揺動可能に設けられ、自由
端が前記針棒に作動的に連結され、針棒の上下動
に伴つて上下に揺動される揺動体１７と、前記針棒に対し平行な軸線に沿つて上下動可能
に前記ミシンアームに支承され、かつ下端に被縫
製物を押えるための押え足１４が取着された押え
棒１３と、その押え棒を下方に付勢する付勢手段１５と、その押え棒に作用し付勢手段の付勢力に抗して
押え棒を上昇させる押え上げ手段３２２，３５，
３６等と、前記押え棒に設けられた被係合部３２と、前記押え棒の被係合部の下方に臨み、押え棒に
沿つて上下動可能に設けられた係合部３０と、前記揺動体１７と係合部３０との間に設けられ
、それらの何れか一方側に設けられた係合突起２
２と前記付勢手段１５の作用に基づいてその係合
突起と係合するように他方側に設けられたカム部
１７ｂとを含み、前記揺動体の揺動運動を前記係
合部に伝達する連結機構１７ｂ，２２，１９，２
０等とから構成されたことを特徴とするミシンの布押え
装置。[Claims for Utility Model Registration] A needle bar 7 which is vertically movably supported by a shimin arm 6 and has a needle 8 attached to its lower end; a rocking body 17 that is operatively connected and swings up and down as the needle bar moves up and down; A presser bar 13 to which a presser foot 14 for pressing the workpiece is attached; a biasing means 15 for biasing the presser bar downward; presser foot lifting means 322, 35, which raises the presser foot bar;
36, etc.; an engaged portion 32 provided on the presser bar; an engaging portion 30 facing below the engaged portion of the presser bar and provided so as to be movable up and down along the presser bar; An engaging protrusion 2 provided between the rocking body 17 and the engaging portion 30 and provided on one side thereof.
2 and a cam portion 17b provided on the other side so as to engage with the engaging protrusion based on the action of the biasing means 15, and transmits the rocking motion of the rocking body to the engaging portion. Connection mechanism 17b, 22, 19, 2
1. A presser foot device for a sewing machine, characterized in that it is comprised of a 0 etc.