Patent · US Active

Wood screw and method for producing a wood screw

US11174887B2 · kind B2 · utility

0Cited by

14References

14Claims

0Family size

Assignee

SWG SCHRAUBENWERK GAISBACH GMBH · DE

Inventors

Patrick Roll · Schwäbisch Hall, DE
Joachim Glattbach · Neuenstein, DE

Key dates

Filing date	Nov 21, 2017
Grant date	Nov 16, 2021
Priority date	—
Expiry date	Aug 9, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16B25/103
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a wood screw having a screw head having a drive configuration, a screw shank which emanates from the screw head and which at least in portions is provided with a thread, and a drilling tip which adjoins the thread, wherein the drilling tip is configured without a thread, wherein the drilling tip has two longitudinal cutters which continue up to a terminal point of the drilling tip and which run so as to be curved in relation to a central longitudinal axis of the screw, and wherein a circumference of the drilling tip between the two longitudinal cutters does not have any further cutters.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.