JPS63175304U

JPS63175304U -

Info

Publication number: JPS63175304U
Application number: JP4148787U
Authority: JP
Priority date: 1987-03-19
Filing date: 1987-03-19
Publication date: 1988-11-14

Description

[Brief explanation of the drawing]

第１図は本考案実施例の同調シリンダを示す断
面図、第２図は第１図―線による要部の拡大
断面図、第３図は第１図―線による要部の拡
大断面図、第４図は第１図―線による要部の
拡大断面図、第５図は同油圧回路図、第６図は従
来の同調シリンダを示す油圧回路図である。１……メイン油圧シリンダ、１ｄ……ピストン
、２……サブ油圧シリンダ、２０……ピストンロ
ツド、２１ａ……シリンダヘツド。 FIG. 1 is a cross-sectional view showing a tuning cylinder according to an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of the main parts taken along the lines of FIG. 1, and FIG. 3 is an enlarged cross-sectional view of the main parts taken along the lines of FIG. FIG. 4 is an enlarged sectional view of the main parts taken along the line of FIG. 1, FIG. 5 is a hydraulic circuit diagram thereof, and FIG. 6 is a hydraulic circuit diagram showing a conventional synchronized cylinder. 1...Main hydraulic cylinder, 1d...Piston, 2...Sub hydraulic cylinder, 20...Piston rod, 21a...Cylinder head.

Claims

[Scope of Claim for Utility Model Registration] In a synchronized cylinder in which a plurality of sub-hydraulic cylinders are operated simultaneously and equally by one main hydraulic cylinder, the cylinder head side of each sub-hydraulic cylinder and the cylinder of the main hydraulic cylinder. A synchronized cylinder characterized in that the head sides of the piston rods are integrally connected, and the rod head side of the piston rod in each sub-hydraulic cylinder is directly connected to the head side of the piston in the main hydraulic cylinder.