JPS5968806U - Cushion seal device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional partial view of a conventional cooking device.
FIG. 1a is an enlarged partial view of FIG. 1, and FIG. 2 is an enlarged partial view of the cushion device according to the present invention, similar to FIG. 1a. In the figure, 1... cylinder, 2... piston, 2
a... Cushion collar, 11... Annular groove, 13.
...Rubber ring, 131...Lip, 132...Protrusion.

Claims (1)

[Scope of utility model registration request] Slide the inner periphery of a rubber ring placed in an annular groove with a U-shaped cross section that opens toward the center on the cylinder chamber side end of the inner periphery wall of the rod cover or rod cover at the end of the cylinder onto the cushion collar. In a cushion seal device for a fluid pressure cylinder that reduces the movement speed of a piston by bringing the piston into contact with the cushion seal device, the comb ring has a substantially U-shaped cross section with a lip that projects diagonally on the inner circumference side, and the outer circumference The rubber ring has a protruding part that protrudes toward the outer circumference at the lip end side of the part, and the outer diameter of the protruding part is slightly thicker than the bottom diameter of the annular groove, and the width of the rubber ring is the same as the width of the annular groove. A cushion seal device characterized by being narrower than this.