Patent · US Active

Auger

US10744671B2 · kind B2 · utility

9Cited by

9References

25Claims

0Family size

Assignee

Milwaukee Electric Tool Corporation · US

Inventors

Michael J. Zimmermann · New Berlin, US
Neil A. Lofy · Wauwatosa, US

Key dates

Filing date	Mar 15, 2019
Grant date	Aug 18, 2020
Priority date	—
Expiry date	Mar 15, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/902
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

An auger includes a body with a first end, a second end opposite the first end, a stem that extends from the first end to the second end and defines an axis of rotation, and a flute helically wrapped around the stem. The auger further includes a shank at the first end of the body configured to be received by a power tool and a cutting head at the second end of the body. The cutting head includes a cutting edge, a spur, and a feed screw with a thread. The thread has a pitch and a nonsymmetrical thread profile. The pitch of the thread is at least 2.5 mm.

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