Sealing device for hydraulically or pneumatically operated equipment

摘要

A sealing boot for hydraulically or pneumatically operated equipments comprising an external portion which is pressed by a resilient ring into fitted engagement with a circumferential groove provided in a cylinder body, an internal portion which is tightly attached to the outer edge of a piston and a flexible portion which connects said external portion to said internal portion, the external portion being provided with a recess which is arranged in the direction of the width of the external portion to form a continuous curve.