Hand tool with a three-point mounting

2011 
The present invention relates to a hand tool (800) with a a runner (600) having a linear motor (700) coupled mechanically to the rotor (600) driving piston (400) and a bearing device (100) comprising a rotor bearing (120) for longitudinally movable having bearings of the rotor (600) and an exciter piston bearing (180) for supporting the hammer piston (400). According to the invention the rotor bearings (120) and the exciter piston bearing (180) form a three-point support, which is the only bearing for the rotor (600) and the driving piston (400).
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