Patent ID: 6685406
Filing Date: 2004-02-03
Classification: F16B,Y10S

Abstract:
A stud tensioning device for tensioning a stud having a free end that projects from a structural member, the stud having a central axis, said stud tensioning device comprising:a nut having internal threads and external threads, said internal threads configured for engaging corresponding threads on the stud, at least two axial bores defined by said nut; at least two posts, each said post having a respective first and second end, each said post being disposed in a corresponding one of said bores, each said first end configured for engaging a stop surface, each said second end being disposed external to said bores and extending axially beyond the free end of the stud in a direction away from the structural member; a load cell configured for threadingly engaging said external threads of said nut, said load cell applying an axially-directed force on said posts in a direction toward the structural member and on said nut in a direction away from said structural member to thereby tension the stud.