Patent · US Active

Drilling device

US11525308B2 · kind B2 · utility

0Cited by

9References

12Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Roland Foser · Schaan, LI
Pierre Pallmer · Igling, DE
Jens Kondratiuk · Buchs, CH

Key dates

Filing date	May 28, 2019
Grant date	Dec 13, 2022
Priority date	—
Expiry date	Jun 3, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B51/02
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A drilling device includes a drill basic body and a conveying helix which runs helically around the drill basic body. The conveying helix is subdivided into a plurality of conveying helix segments that are disposed next to one another. The conveying helix segments may be disposed loosely next to one another.

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