Patent · US Active

Wood screw having a crescent-shaped protrusion between thread turns

US10859107B2 · kind B2 · utility

1Cited by

10References

17Claims

0Family size

Assignee

Würth International AG · CH

Inventors

Rainer Eckert · Bad Neustadt an der Saale, DE
Andreas Wunderlich · Wenzenbach, DE

Key dates

Filing date	Apr 18, 2018
Grant date	Dec 8, 2020
Priority date	—
Expiry date	Feb 8, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21H3/02
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A wood screw, having a shaft, a screw tip, and thread turns. The thread turns run circumferentially on at least a portion of the shaft, preferably through or into a screw tip. The wood screw includes at least one arc-shaped protrusion between at least two adjoining ones of the thread turns.

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