Robert Boschgmbh

Marcus Heckmann

Harald Krondorfer

Thomas Schomisch

Johann Huber

Albrecht Hofmann

Christof Hoelzl

Joachim Schadow

Juergen Wiker

Sinisa Andrasic

Peter Stierle

Ernst Kraenzler

Kirsten Heckmann, Legal Representative

The present invention is directed to an insertion tool () for a machine tool that has a hub () with at least one opening () for insertion of a fastening means (), via which the hub () is clampable on a driving flange () of the machine tool connected to a drive shaft, the opening () including a retaining region () and a releasing region (), the releasing region () including a stop () for limiting a release motion of the fastening means (). It is provided that the opening () adjacent to the stop () has a convex section ().

Insertion tool for a machine tool

A tool-holding device for an insert tool () equipped with an at least essentially disk-shaped hub (), in particular for a hand-guided angle grinder () or a hand-guided circular saw, having a drive device () that includes a leaf spring unit () and is able to clamp the insert tool () in the axial direction (). The leaf spring unit () has at least one freely extending spring piece () that extends at least partially in the circumference direction ().

Tool-holding device

Growing community of inventors

Leinfelden-Echterdingen, Germany

Marcus Heckmann