The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8562395 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 22, 2013

Filed:

Nov. 09, 2007
Applicants:

Cornelius Boeck, Kirchheim, DE;

Joachim Schadow, Leinfelden-Echterdingen, DE;

Sinisa Andrasic, Schoenaich, DE;

Inventors:

Cornelius Boeck, Kirchheim, DE;

Joachim Schadow, Leinfelden-Echterdingen, DE;

Sinisa Andrasic, Schoenaich, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 55/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for a hand-held power tool has a tool housing, a receiving unit fixed to the tool housing and a guard unit connected with the hand-held power tool. The guard unit includes a guard extending at least partially around a rotatable tool. A guard anti-rotation lock device includes a clamping band fixedly connected to the guard that establishes a frictional connection between the guard unit and the receiving unit. The receiving unit includes a receiving flange and a connecting element that are together surrounded by and clamped in a clamping region by the clamping band to effect the frictional connection. In a case where the rotatable tool bursts into pieces during operation, the connecting element counteracts rotational movement of the guard unit with respect to the receiving unit by changing a cross-sectional shape of the clamping region.


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Boeck, Cornelius. (2013). Guard anti-rotation lock (U.S. Patent No. 8562395). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8562395

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