JPH0263788U

JPH0263788U -

Info

Publication number: JPH0263788U
Application number: JP14082988U
Authority: JP
Priority date: 1988-10-28
Filing date: 1988-10-28
Publication date: 1990-05-14

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す全体構成を
示す背面図、第２図は第１図に示したものの部分
正面図、第３図ａ，ｂは第２図に示したものの要
部拡大図であり、同図ａは側面図、同図ｂは正面
図をそれぞれ示す。第４図は第１図に示したペダ
ルを示す側面図、第５図はこの考案の他の実施例
を示す要部拡大側面図、第６図ａは従来のペダル
操作機構を示す正面図、同図ｂは同図ａに示した
ペダルの動作を示す側面図、第７図ａ，ｂ，ｃは
第６図ａに示したものの要部拡大図であり、同図
ａは正面図、同図ｂは側面図、同図ｃは背面図を
それぞれ示す。｛１５……係合ブロツク、１６……係合板｝１
７……第２の係合部材、１４……駆動杆、１８…
…エアーバルブ（制御手段）、１８ａ……作動部
、２６……足踏みペダル、２８……作動杆、３１
，３３……コイルばね（弾性部材）、３２……ね
じ（押圧部材）、２２……エアーシリンダ（上昇
駆動手段）。 Fig. 1 is a rear view showing the overall configuration of an embodiment of this invention, Fig. 2 is a partial front view of what is shown in Fig. 1, and Fig. 3 a and b are the main parts of what is shown in Fig. 2. These are enlarged views, in which figure a shows a side view and figure b shows a front view. 4 is a side view showing the pedal shown in FIG. 1, FIG. 5 is an enlarged side view of main parts showing another embodiment of this invention, and FIG. 6a is a front view showing a conventional pedal operating mechanism. Figure b is a side view showing the operation of the pedal shown in figure a, Figures 7a, b, and c are enlarged views of the main parts of the pedal shown in figure 6a, and figure a is a front view; Figure b shows a side view, and figure c shows a rear view. {15...Engagement block, 16...Engagement plate}1
7... Second engaging member, 14... Drive rod, 18...
...Air valve (control means), 18a... Actuation part, 26... Foot pedal, 28... Actuation rod, 31
, 33... Coil spring (elastic member), 32... Screw (pressing member), 22... Air cylinder (lifting drive means).

Claims

[Claims for Utility Model Registration] Supported rotatably around a predetermined rotation fulcrum,
a foot pedal that is always held at a predetermined initial position; an actuating rod that rises when the foot pedal is pressed forward from the initial position and lowers when the foot pedal is stepped backward; and a first foot pedal that is fixed to the actuating rod. an engaging member; a sewing machine drive rod that is supported so as to be movable up and down and that operates the driving device of the sewing machine when lowered; and a first engaging member that is fixed to the sewing machine drive rod and that abuts the lower surface of the first engaging member in an initial state. a control means for controlling the raising drive means of the presser foot member in accordance with the pressing and releasing of the vertically movable operating section; A pedal operating mechanism for a sewing machine, comprising: a pressing member that presses; and an elastic member that biases the operating rod and the sewing machine driving rod in a direction vertically separating them from each other.