Patent · US Active

Hammer drill

US7661485B2 · kind B2 · utility

2Cited by

18References

7Claims

0Family size

Assignee

AEG Electric Tools GmbH · DE

Inventors

Roland Vögele · Winnenden, DE
Rainer Kumpf · Ilsfeld, DE

Key dates

Filing date	Nov 16, 2007
Grant date	Feb 16, 2010
Priority date	—
Expiry date	Nov 16, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/245
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hammer drill has an electric drive motor having a motor shaft and a tool shaft driven in rotation by the electric drive motor. A hammer action is provided. The tool shaft is driven by a first single-stage gear unit directly by the motor shaft of the electric drive motor. The hammer action is driven by a second single-stage gear unit directly by the motor shaft of the electric drive motor.

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