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:
Nov. 19, 2019
Filed:
Jun. 25, 2014
Applicant:
Adolf Würth Gmbh & Co. KG, Künzelsau, DE;
Inventors:
Rainer Eckert, Weikersheim, DE;
Andreas Wunderlich, Kupferzell, DE;
Assignee:
ADOLF WÜRTH GMBH & CO. KG, Künzelsau, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16B 33/00 (2006.01); F16B 25/10 (2006.01); F16B 25/00 (2006.01);
U.S. Cl.
CPC ...
F16B 25/103 (2013.01); F16B 25/0015 (2013.01); F16B 25/0047 (2013.01);
Abstract
Wood screw for predrilling-freely inserting into a wood base, in particular into a massive wood base, wherein the wood screw comprises a shaft portion with a thread which is self-cutting in wood, a screw head which is connected to the shaft portion directly or indirectly at a back side, and a screw tip which is connected to the shaft portion directly or indirectly at a front side, for predrilling-freely penetrating into the wood base, wherein at the shaft portion between neighboring thread turns, portions are formed which taper towards the screw tip.