Patent · US Expired

Electric portable grinding machine, particularly an eccentric grinder, provided with edge protection

US6857949B2 · kind B2 · utility

4Cited by

6References

7Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Doris Reich · Stuttgart, DE
Steffen Wuensch · Holzgerlingen, DE
Joao Bergner · Leonberg, DE

Key dates

Filing date	Apr 23, 2002
Grant date	Feb 22, 2005
Priority date	—
Expiry date	Apr 23, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B23/03
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

An electrical power grinder, in particular an eccentric grinder, is disclosed that has a grinding wheel (14) and a grinding-medium holder (23), held on the underside thereof, of soft material. For the sake of reducing wear of the grinding-medium holder (23) at its outer edge and lengthening the service life of the grinding-medium holder, the grinding wheel (14) is provided with an edge guard, which has a guard member (30) encompassing the grinding wheel (14) that protrudes, in the plane of the grinding wheel, past the outer contour of the grinding-medium holder (23) (FIG. 3).

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