Fluid bearing mechanism

A fluid bearing mechanism which comprises:

• a cylinder;
• a piston positioned inside the cylinder, having a side surface, end faces and a hollow interior formed thereinside, said piston including small holes defined through the side surface for communicating the hollow interior with an exterior thereof;
• a one-way valve provided between an end face and the hollow interior of said piston, said one-way valve allowing a gas to flow in one direction only, wherein said one-way valve comprises:
• a cylindrical body provided in parallel with an axial direction of said piston;
• an abutting portion provided along an inner periphery of said cylindrical body, said abutting portion protruding inwardly, formed with a small communication hole in a substantial center thereof;
• a moveable element which is moveable inside said cylindrical body in an axial direction thereof;
• and
• a retaining body for retaining said moveable element between said abutting portion and itself inside said cylindrical body, said retaining body including a ventilation groove for communicating an inside with an outside of said cylindrical body.