Patent · US Active

Hand-held power tool with guard, in particular an angle grinder

US7909680B2 · kind B2 · utility

13Cited by

16References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Cornelius Boeck · Tauberbischofsheim, DE
Joachim Schadow · Stuttgart, DE
Sinisa Andrasic · Schenefeld, DE

Key dates

Filing date	Sep 20, 2007
Grant date	Mar 22, 2011
Priority date	—
Expiry date	May 17, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B27/08
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a portable power tool for a rotating, preferably disk-shaped tool (12). Said portable power tool comprises a machine housing (14), having a flange (16, 160) or a machine neck, and a protective hood (18) that can be detachably tensioned on the machine neck to cover the tool (12) or that has a protective hood neck (20) or protective hood collar that annularly carries a tightening strap (22). Said strap can be tightened by tensioning means (24). An anti-rotation lock effective between the machine neck and the protective hood (18) is interposed between the protective hood (18) and the machine neck in the form of a profiled structure (26). The invention is characterized in that the tensioning means (24), in its tensioned position, can be connected several times in a form fit to the machine neck and in its detached positioned is no longer connected in a form fit to the machine neck.

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