US Patent:
20120180280, Jul 19, 2012
Inventors:
Michael James Psimas - Milton GA, US
International Classification:
B23P 19/06
Abstract:
A tension relief system for threaded fasteners comprises a main body housing a piston for generating a clamping load, seals to maintain the hydraulic pressure within the pressure chamber, an external pressure port extending through the body to the pressure chamber and adapted to be connected to an external pressure source, a connector on which the main body may be mounted, and a spring which may be compressed through the relative motion of the piston and the connector.