Patent · US Expired

Percussion electrical hand held tool

US7048076B2 · kind B2 · utility

14Cited by

9References

8Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Holger Cecchin · Puchheim, DE
Christian Daubner · Fürstenfeldbruck, DE
Hubert Daxenberger · Herrsching am Ammersee, DE
David Hruza · Bad Waldsee, DE
Christoph Kink · Stadtbergen, DE
Ferdinand Kristen · Germering, DE
Erwin Manschitz · Germering, DE
Hans-Juergen Pfisterer · Karlsruhe, DE
Walter Wissmach · Munich, DE

Key dates

Filing date	Dec 18, 2003
Grant date	May 23, 2006
Priority date	—
Expiry date	Dec 18, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2211/003
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

An electrical hand-held tool includes an electric motor (2) having a rotor shaft (3) extending transverse to the tool percussion axis (A), a rotor sheet stack (4) supported on the rotor shaft, and a pinion (5) supported on the rotor shaft, a percussion mechanism (6) including an eccentric (7), and a drive gear (8) engageable with the motor pinion (5) for driving the eccentric (7), with the rotor sheet stack (4) being arranged, with respect to the percussion axis A, completely diametrically opposite the drive gear (8).

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