Patent · US Expired

Electrical hand power tool with battery pack

US7828185B2 · kind B2 · utility

25Cited by

25References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Albrecht Hofmann · Passau, DE
Harald Krondorfer · Aurora, US
Markus Heckmann · Munich, DE
Joachim Schadow · Stuttgart, DE
Thomas Schomisch · Echterdingen, DE

Key dates

Filing date	Dec 11, 2003
Grant date	Nov 9, 2010
Priority date	—
Expiry date	Apr 2, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a hand power tool (2), having a housing (6), an electric motor accommodated in the housing (6), and a battery pack (4), releasably locked to the housing (6), for supplying the electric motor with electric current. At least one spring/damping element (38), mounted between the battery pack (4) and the housing (6) of the hand power tool (2), is provided, for damping vibration and -or eliminating a locking-dictated play between the battery pack (4) and the housing (6).

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