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.

Date of Patent:
Nov. 24, 2015

Filed:

Oct. 04, 2012
Applicant:

Robert Bosch Gmbh;

Inventors:

Dietmar Saur, Gomaringen, DE;

Michael-Andreas Grunwald, Stuttgart-Rohr, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 51/12 (2006.01); B23B 31/113 (2006.01); B25B 21/00 (2006.01);
U.S. Cl.
CPC ...
B25B 21/00 (2013.01); B23B 31/113 (2013.01); B23B 51/12 (2013.01); B25B 21/007 (2013.01); Y10T 279/17683 (2015.01); Y10T 279/32 (2015.01); Y10T 279/3406 (2015.01); Y10T 279/3412 (2015.01); Y10T 408/957 (2015.01);
Abstract

A tool attachment for mounting on a hand-held machine tool provided with a tool holder, the tool attachment having an output shaft and a base body at whose outer circumference a locking sleeve is disposed in a manner allowing it to rotate to release at least one assigned locking element; at the outer circumference of the base body, an anti-rotation unit is formed for the twist-proof mounting of the base body on a fastening unit assigned to the hand-held machine tool; on the anti-rotation unit and at an inner circumference of the fastening unit, complementary geometrical forms are provided which are configured to mesh with each other for the releasable, twist-proof mounting of the base body on the fastening unit.

Published as:
CN103042507A; US2013093149A1; DE102011084499A1; US9193045B2; CN103042507B;

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