PULSE POWER HAND-DRIVEN MACHINE Russian patent published in 2017 - IPC B25D17/24 B25F5/00 B25D11/06 B25B21/02 

FIELD: electricity.

SUBSTANCE: hand-driven machine has a housing, which supports a working tool and a piston disposed in the housing, an electric motor, a motion converter and vibration damper. The vibration damper includes a support member mounted for oscillating relative to its fixing point as a supporting point and a weight attached to the support member on its free end. The plane containing the center line, the center of gravity of the weight and the fixing point of the support member are arranged in mutually differing positions, and the fixing point of the support member is disposed relative to the axial line from the center of gravity of the hand-driven machine.

EFFECT: reduced vibration.

16 cl, 19 dwg