US 12,291,875 B1
Commercial roofing screw machine
Kurtis D. Scepaniak, Cold Spring, MN (US)
Filed by SCEPANIAK IP HOLDINGS, LLC, Waite Park, MN (US)
Filed on Dec. 11, 2020, as Appl. No. 17/120,105.
Claims priority of provisional application 62/946,853, filed on Dec. 11, 2019.
Int. Cl. E04D 15/04 (2006.01); B25B 21/00 (2006.01)
CPC E04D 15/04 (2013.01) [B25B 21/002 (2013.01); E04D 2015/047 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A commercial roofing screw machine, comprising:
a conveyance configured to move said screw machine about a roof;
at least one sensor operative to distinguish roofing subfloor grooves and gaps from elevated attachment surfaces;
a plurality of screw machine modules configured to each simultaneously drive roofing washers and screws through a roofing layer into said elevated attachment surface and thereby affix said roofing layer to said elevated attachment surface;
said conveyance and said at least one sensor cooperative to align each of said plurality of screw machine modules to misalign with said subfloor grooves and gaps during said simultaneous driving of roofing washer and screw through said roofing layer into said elevated attachment surface;
a sensor configured to distinguish a successful screw installation from a failed installation, and produce an failed installation output responsive to distinguishing said failed installation; and
a marking apparatus to produce a human readable indicia responsive to said failed installation output that is indicative of and uniquely identifies said failed installation.