Patent ID: 8465348
Filing Date: 2013-06-18
Classification: B24B,Y10T

Abstract:
1. An assembly, comprising a hand-held power tool having a tool housing; a receiving unit for receiving a tool; a guard unit arranged to enclose a region of the tool; a guard anti-rotation lock unit connecting said guard unit to said hand-held power tool and disconnecting said guard unit from said hand-held power tool; and a switching mechanism for turning on the hand-held power tool and for turning off the hand-held power tool; wherein the guard anti-rotation lock unit comprises a form-fit unit which, in response to operating the switching mechanism for turning on said hand-held power tool, establishes a form-fit connection of said guard unit with said hand-held power tool to prevent a rotation of said guard unit relative to said hand-held power tool and in response to operating the switching mechanism for turning off said hand-held power tool, the form-fit unit disestablishing the form-fit connection to allow the rotation of said guard unit relative to said hand-held power tool.