Patent ID: 6314863
Filing Date: 2001-11-13
Classification: F15B

Abstract:
An end-closing structure for an actuator having an actuator body in which a chamber is defined and a piston which is displaceable under an operation of pressurized fluid supplied to said chamber, said structure comprising:a closing member which is fitted and inserted into an opening defined at an end of said actuator body for closing said opening;an engaging member which engages to fix said closing member to said actuator body such that said end of said actuator body and an end of said closing member are positioned substantially in the same plane surface, said engaging member having a fluid input/output port defined therein for communication with said chamber through a fluid passage; androtation-preventing means for preventing said engaging member from rotating with respect to said closing member, wherein said rotation-preventing means comprises a pin member which passes through said engaging member in a substantially perpendicular direction to an axial direction of said engaging member, said pin member being fixed by engagement with a hole defined in said actuator body so as to prevent said engaging member from rotating.