PISTON AND ROD ASSEMBLY FOR PISTON AND CYLINDER DEVICES

摘要

In the field of precision hydraulic and pneumatic power systems, a piston to piston rod mounting utilizing the cylindrical smooth rod surface and the smooth piston bore to hold concentricity and squareness of the piston to the rod and utilizing a helical retainer wire disposed in a vertical groove between the piston and rod and partially in both, and means to prevent rotation of the wire when disposed in the portion of the groove in either the piston or the rod while the other is being threaded to intended position.