Patent ID: 7008031

Claim:
A method of attaching stackable components including an upper member and a lower member, the lower member having a ceiling, the upper member having a bottom and an exterior surface, the method comprising: providing at least one ceiling aperture in the ceiling, the ceiling aperture having a geometric configuration; providing a supporting means on the bottom of the upper member, the supporting means having the exterior surface thereon so as to be disposable immediately adjacent the at least one ceiling aperture when the upper member is placed on the ceiling in a mounting position, wherein the supporting means comprises at least one rail located toward a front of the upper member and at least one rail located toward a back of the upper member, with each of the rails running parallel to the front of the upper member; providing at least one attachment bracket the attachment bracket having a first leg and a second leg extending at a predetermined angle from the first leg and having a geometric configuration and dimensions to extend through the ceiling aperture; disposing the at least one attachment bracket in a first position with the first leg extending through the ceiling aperture and with the second leg of the attachment bracket facing outwardly and lying on top of the ceiling; placing the upper member in a mounting position on the ceiling of the lower member; pivoting the attachment bracket to a second position with the second leg disposed alongside the exterior surface of the upper member; and attaching the second leg to the exterior surface.