Horea A Ilea

US Patent:

20120266560, Oct 25, 2012

Filed:

Apr 21, 2011

Appl. No.:

13/064857

Inventors:

Cheryl L. Panasik - Elburn IL, US
Yongping Gong - Wilmette IL, US
Louis Thomas - Maywood IL, US
Kevin Tucker - Chicago IL, US
Horea Ilea - Wood Dale IL, US
Anthony A. Czarkowski - Downers Grove IL, US

International Classification:

F16B 25/10
B25B 13/06
F16B 23/00
E04C 2/00

US Classification:

527831, 4113874, 811211

Abstract:

A self-counterboring screw-threaded headed fastener, for the threaded insertion into an underlying fixed support or substrate in order to fixedly secure a structural component, such as, for example, an insulated metal panel (IMP), to the underlying fixed support or substrate without the need for pre-drilling a bore within the insulated metal panel (IMP), in order to accommodate the screw-threaded head of the fastener, prior to the insertion of the screw-threaded fastener into and through the insulated metal panel (IMP) for fixation within and to the underlying fixed support or substrate, is disclosed. Cutting wrench or screw-gun sockets are also disclosed for similar purposes.