Patent ID: 6745635
Filing Date: 2004-06-08
Classification: G01M,G01N

Abstract:
A proof load test device of various bearings comprising of:(a) a cylinder body having a longitudinal axis having opposite first and second ends, one of said ends being open to a hollow round cylinder formed within the wall of the cylinder body, the other end being solid, and further having an axial extending solid cylinder protrusion extending at the center of a solid cylinder end through the cylinder, creating a cylindrical form cylinder cavity; (b) a piston having a an axially extending hollow cavity within its body creating a cylindrical piston slidably mounted within the cylinder creating a closed chamber within the cylindrical cavity; (c) an axial bore hole extending through the center of said piston and said cylinder; (d) fluid within the chamber formed by coupling the piston and cylinder; (e) a means forcing the piston into the cylinder; (f) a means of preventing the release of fluid from the cylinder and the axial bore hole as the piston is forced into the cylinder.