Patent ID: 8511954

Claim:
A fastening assembly, comprising: a first component having a threaded bushing, wherein the first component includes a translation guard configured to prevent a translator movement of the first component when being fastened, and wherein the first component includes a rotation guard configured to prevent a rotational movement of the first component relative to the second component when being fastened; a second component having a single keyhole shaped cut-out including a larger opening and a smaller opening, wherein the translation guard and the rotation guard are appropriately formed projections and the translation guard presses against an edge of the single keyhole shaped cut-out and the rotation guard wedges at the connection portion between the larger opening and the smaller opening of the single keyhole shaped cut-out; and a self-locking bolt configured to be screwed into the threaded bushing so that the bolt can be guided with the head through the larger opening of the single keyhole shaped cut-out and the head engages behind the smaller opening of the single keyhole shaped cut-out for fastening, the bolt having engagement surfaces for a tool at an end of the shank, wherein the head has a bottom surface connecting the head to the shank and a top surface that is round and smooth.