US Patent 11364611 Hand-held power tool

A chiseling hand-held power tool having a tool holder for holding a tool on a working axis, an electric motor, and a striking mechanism. The striking mechanism has an excitation piston coupled to the motor, a striker guided on the working axis and a pneumatic chamber closed by the excitation piston and the striker for coupling a movement of the striker to the excitation piston. The rotational speed of the electric motor corresponds to at least 20 times the striking rate of the striking mechanism.