Patent ID: 7698969

Claim:
A nut runner mounting structure for supporting one or more nut runner spindles, comprising: a base plate extending perpendicularly to and being rigidly secured to a forward end of the nut runner spindle or spindles; and at least one support pillar extending in parallel with the nut runner spindle or spindles and being connected at a forward end thereof to the base plate and at a rear end thereof to a mounting structure support; and wherein: each one of said at least one support pillar comprises a tube element having a forward end surface and a rear end surface, a first end piece located between said forward end surface and the base plate, a second end piece arranged to engage said rear end surface of said tube element, and a tension bolt located inside and extending throughout the entire length of said tube element, said tension bolt being arranged to engage said second end piece and the base plate to clamp said tube element axially against the base plate via said first end piece, said first end piece is rotationally locked relative to the base plate and comprises an annular surface for engaging said forward end surface of said tube element, and said annular surface is formed with teeth for engaging matching teeth on said forward end surface to thereby lock said tube element against rotation relative to the first end piece and to the base plate.