Electrically driven device

An electrically driven device comprising a housing and a chassis, wherein the chassis comprises a plastic skeleton for receiving an electric motor having a first drive shaft extending in a first direction, a battery unit, a printed circuit board (PCB), and an oscillating body having a second drive shaft, wherein the chassis is provided with openings or cavities for receiving the electric motor and the battery unit side by side in a second direction transverse to the first direction and is provided with the printed circuit board (PCB) at a lateral side, also side by side to one of the electric motor and the battery unit, wherein the battery unit is located between the printed circuit board (PCB) and the electric motor, and an axis perpendicular to the first drive shaft of the electric motor passes through the first drive shaft of the electric motor, the battery unit, and the printed circuit board (PCB),

• wherein a first longitudinal axis is defined along the second drive shaft;
• wherein the oscillating body moves relative to the electric motor;
• and
• wherein the oscillating body comprises at least one component and two webs, the at least one component defining a plane that extends perpendicular to the first longitudinal axis, and the two webs extending perpendicular to the plane defined by the at least one component.