Patent · US Active

Guard anti-rotation lock device

US7955162B2 · kind B2 · utility

12Cited by

16References

2Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

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

Key dates

Filing date	Nov 9, 2007
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Jun 2, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T70/5611
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a protective hood anti-rotation lock for a portable power tool (12a-k), especially for an angle grinder, for providing anti-rotational locking between the portable power tool (12a-k) and a protective hood unit (14a-k). According to the invention, the protective hood anti-rotation lock has a form-fit unit (16a-k) which is provided for anti-rotational locking of the protective hood unit (14a-k) in relation to the portable power tool (12a-k) in the event of a tool (18a-k) breakage.

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