JPH0392476U

JPH0392476U -

Info

Publication number: JPH0392476U
Application number: JP14602789U
Authority: JP
Priority date: 1989-10-13
Filing date: 1989-12-19
Publication date: 1991-09-20
Anticipated expiration: 2004-12-19
Also published as: JP2570555Y2

Description

[Brief explanation of the drawing]

第１図〜第４図はこの考案の一実施例によるミ
シンの布押え装置を示し、第１図はその平面図、
第２図はその部分断面側面図、第３図はその側面
図、第４図はミシンの全体構成図、第５図〜第７
図はこの考案の別の考案の一実施例に係り、第５
図は布押え装置の圧縮空気回路が２系統を有する
場合の回路図、第６図は布押え装置の動作を示す
タイムチヤート、第７図はミシンの全体構成図、
第８図〜第１１図は従来のミシンの布押え装置を
示し、第８図、第９図はミシンの全体構成図、第
１０図、第１１図は布押え装置の詳細を示し、第
１０図はその正面図、第１１図はその部分断面側
面図である。図において、２……駆動装置、４……布押え装
置、６……制御装置、６Ａ……切換手段（操作ス
イツチ）、１５……エアーシリンダー、１８……
マニユアル押え機構、１９……フレキシブルワイ
ヤ、２９……マニユアル押え用ペダル、３１……
被縫製物押え機構（布押え機構）、３２……エア
ーコンビネーシヨンユニツト、３３……流体圧力
設定手段（レギユレータ）、３４，３５……開閉
手段（電磁弁）である。なお、図中、同一符合は
同一、または相当部分を示す。 1 to 4 show a presser foot device for a sewing machine according to an embodiment of this invention, and FIG. 1 is a plan view thereof;
Fig. 2 is a partial sectional side view of the sewing machine, Fig. 3 is a side view thereof, Fig. 4 is an overall configuration diagram of the sewing machine, and Figs. 5 to 7
The figure relates to an embodiment of another invention of this invention, and the fifth
The figure is a circuit diagram when the compressed air circuit of the presser foot device has two systems, FIG. 6 is a time chart showing the operation of the presser foot device, and FIG. 7 is an overall configuration diagram of the sewing machine.
8 to 11 show the presser foot device of a conventional sewing machine, FIGS. 8 and 9 are general configuration diagrams of the sewing machine, FIGS. 10 and 11 show details of the presser foot device, The figure is a front view thereof, and FIG. 11 is a partially sectional side view thereof. In the figure, 2...drive device, 4...pressing device, 6...control device, 6A...switching means (operation switch), 15...air cylinder, 18...
Manual presser mechanism, 19... Flexible wire, 29... Manual presser pedal, 31...
Sewing object holding mechanism (cloth holding mechanism), 32...air combination unit, 33...fluid pressure setting means (regulator), 34, 35...opening/closing means (electromagnetic valve). In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Claims for Utility Model Registration] (1) A workpiece holding mechanism capable of holding a workpiece; and a workpiece holding mechanism connected to the workpiece holding mechanism so as to clamp the workpiece using fluid pressure; A power means for driving the workpiece holding mechanism is connected to the workpiece holding mechanism, and the workpiece holding mechanism is connected to the workpiece holding mechanism so as to clamp the workpiece by stepping on a manual presser pedal. A cloth presser device for an automatic sewing machine, characterized in that it is equipped with a manual presser mechanism to be operated. (2) a fluid pressure generating means for generating fluid pressure;
A sewing object holding mechanism that uses the pressure of the fluid as a drive source to clamp the sewing object, and a plurality of flow paths for the fluid are provided between the fluid pressure generating means and the sewing object holding mechanism, and the plurality of flow paths are provided between the fluid pressure generating means and the sewing object holding mechanism. a plurality of opening/closing means capable of opening and closing each of the plurality of flow paths; and a fluid pressure setting means for setting the pressure of each of the plurality of flow paths; A presser foot device for an automatic sewing machine, comprising a switching means for closing one of the opening/closing means.