Patent ID: 8221197

Claim:
A hand-held power tool system, comprising a hand-held power tool; a guard unit; and a guard anti-rotation lock unit preventing rotation of said guard unit relative to said hand-held power tool during breakdown of a tool, said guard anti-rotation lock unit being configured to prevent rotation of said guard unit relative to said hand-held power tool around an axis at a same time as said guard unit is being attached to said hand-held power tool when said guard unit is in a working position, said guard unit including a closing unit with a clamping band, said guard anti-rotation lock unit including an anti-rotation lock element consisting of a single end region of said clamping band, which single end region is bent inwardly toward the axis relative to a remaining region of said clamping band, which remaining region of said clamping band is circular around the axis with the exception of said single bent end region of said clamping band, and a plurality of detent recesses provided on a periphery of a receiving unit for accommodating a tool of said hand-held power tool and spaced from one another in a circumferential direction, wherein said single bent end region of said clamping band is engageable in a respective one of said detent recesses of said receiving unit and thereby prevents rotation of said guard unit relative to said hand-held power tool.