Patent ID: 11969867
Assignee: HILTI AKTIENGESELLSCHAFT
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 0:
1. A hand-held power tool comprising:
a tool fitting for holding a striking and rotating tool on a working axis;
an electric motor;
an impact mechanism having a striker moved periodically along the working axis; and
a rotary drive driving a spindle bearing the tool fitting in a rotating manner about the working axis, the rotary drive having a step-down eccentric gear mechanism connected to the electric motor, the spindle being coupled to the eccentric gear mechanism; wherein the eccentric gear mechanism has an internally toothed ring gear and an externally toothed internal gear, the ring gear being arranged fixed with respect to a machine housing of the electric motor, and the internal gear being driven via a rotatably mounted eccentric.