摘要 |
A portable power grinder for operating a wheel type of grinding tool, comprising an output spindle (12) drivingly conneted to a rotation motor (11) and provided with a threaded coaxial bore (23) for receiving a grinding tool clamping screw (24) and with a radial support flange (25) for backing the grinding tool when clamped to the output spindle (12, wherein an easily exchangeable tool support element (28) sandwiched between the grinding tool and the support flange (25) and provided with a coaxial through opening (30) for the clamping screw (24) and a forwardly directed tubular neck portion (27) for centering cooperation with a corresponding opening in the grinding tool. <IMAGE> |