Hand-held grinding machine especially storage cell powered hand-held grinding machine

The invention relates to a handheld grinding tool machine, in particular to the grinding machine which is provided with storage batteries to supply electricity. The grinding machine is provided with a shell body (12), which can hold an electromotor(24) for driving a grinding disc (18); the grinding disc (18) is arranged on the bottom side of the shell body. Aiming at being smaller, lighter, convenient for operation, and being produced advantageously in cost, the invention provides that the electromotor (24) and a transmission shaft (58) are arranged in the shell body (12) in a parallel and abreast way and perpendicular to the grinding disc (18), and form a rotation connection with each other through transmission devices (48) and (54); the transmission devices (48) and (54) are arranged onthe lower part of the shell body (12); one of the pinions is used for matching a transmission pinion in the grinding disc (18); the transmission pinion is provided with at least one balancing mass (74) and / or a balance hole