Patent ID: 8702362
Filing Date: 2014-04-22
Classification: F16B

Abstract:
1. A fastening device using an unconventional bolt, to connect two nested profiled components that include a first component and a second component, the first component and the second component having same shape and size and forming a hollowed column body, the first component comprises a first edge and a second edge substantially parallel to each other; the second component comprises a third edge and a forth edge substantially parallel to each other; the first edge connecting to the third edge forming a first twin-layers side wall, and the second edge connecting the forth edge forming a second twin-layers side wall; wherein the unconventional bolt comprises the first twin-layers side wall is provided with a first through hole, and the second twin-layers side wall is provided with a second through hole aligned with the first through hole, the first through hole and the second through hole having a shape and a size adapted to receive the noncircular cross section of the heads of the unconventional bolt; each head of the unconventional bolt rests against an inner surface of a twin-layers side wall after being inserted through the through holes and rotated to be misaligned with the through holes; two nuts are respectively screwed on two threaded rods of the unconventional bolt that extend to outside of the twin-layers side walls of the column body.