The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2014
Filed:
Jan. 12, 2012
Applicant:
Aimone Balbo Di Vinadio, Turin, IT;
Inventor:
Aimone Balbo Di Vinadio, Turin, IT;
Assignee:
SAVIO S.p.A., Chiusa San Michele (Turin), IT;
Primary Examiner:
Int. Cl.
CPC ...
F16B 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system for fixing an accessory on a metal frame for doors, windows, and the like, includes a screw having a head and a self-tapping threaded stem with metric thread, the end of which opposite to the head is tapered. A ratio between the external diameter of the self-tapping stem of the screw and the diameter of the through hole of the wall of the frame is approximately between 1.4 and 1.25, and the ratio between the diameter of the through hole of said wall and its thickness is approximately between 2.5 and 5.5 and more preferably between 3 and 5.