| 摘要 |
A fluid-operated piston-type actuator includes a body having first and second axial ends and an inner surface that defines a bore that opens through at least one of the first and second axial ends to define an open end of the bore. A piston is slidably positioned in the bore. An end wall is positioned in blocking relation with the open end of the bore. The end wall comprises a peripheral surface that defines a first circumferentially extending groove that is axially aligned with a second circumferentially extending groove defined in the inner surface of the body when the end wall is positioned in blocking relation with the open end of the bore. The end wall further comprises an inner face oriented toward the piston and an opposite outer face oriented away from the piston. The first groove is located axially between the inner and outer faces. The outer face covers and blocks access to a majority of the first groove and comprises a first notch defined therein that intersects and provides access to the first groove. A retaining band is located partially in both the first and second grooves. The retaining band is resiliently expanded radially into abutment with an outer wall of the second groove. An end wall and a method of connecting same to a body of a fluid cylinder are also disclosed.
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