Patent ID: 7367766

Claim:
A device for fastening two parts together, the device comprising: fastening screws having heads, the fastening screws extending along aligned passages in the two parts, a removable element having a first wall configured to fit between said two parts, said first wall defining recesses of a shape complementary to that of said heads so that, when said first wall is between said two parts, each of said heads engages in a corresponding recess of said first wall of said removable element and is prevented by said first wall from rotating inside said corresponding recess relative to said removable part, wherein said removable element has a second wall, wherein a portion of one of said two parts engages between said first and second walls of said removable element such that said removable element is prevented from turning relative to said one of said two parts when said removable element is between said two parts, and wherein the removable element is removable from the screw heads after the nuts have been tightened on the screws such that said removable element is not between said two parts when said two parts are fastened to each other by said screws and nuts.