Device for use in loading tension members

摘要

A device for use in loading tension members with preselected stress. The indicator is characterized by an elongated elastic body having extended from the opposite ends thereof threaded shanks adapted to be coupled with selected tension members, a pair of external shoulders, one of which is axially displaceable relative to the other, and a rigid tubular sleeve interposed between said shoulders so that as tension is applied to the elastic body for imparting strain thereto, the movable shoulder can be advanced into abutting engagement with the sleeve, whereby the sleeve is placed in compression once the tensile forces are removed from the shanks. A reapplication of tensile forces equal to the initially applied tensile forces removes the sleeve from compression, whereby the sleeve is freed for rotation for thus indicating the magnitude of the applied tensile forces.