Drive device

A drive device comprising:

• a rotor;
• a stator including a coil;
• a target rotary shaft to which rotation of the rotor is transmitted;
• a case accommodating the rotor, the stator, and the target rotary shaft;
• a target bearing configured to rotatably support the target rotary shaft with respect to the case;
• and
• an electrical connection member configured to electrically connect the target rotary shaft and the case, wherein
• a direction along a rotation axis of the target rotary shaft is an axial direction, a direction orthogonal to the rotation axis is a radial direction, and one side in the axial direction is a first axial side,
• the case includes
• a bearing support portion configured to support the target bearing,
• a facing wall portion disposed on the first axial side with respect to the bearing support portion and facing the target bearing from the first axial side, and
• a surrounding wall portion surrounding a target space from an outer side in the radial direction, the target space being a space between the facing wall portion and the target bearing in the axial direction,
• the electrical connection member includes a contact portion configured to electrically connect members that rotate relative to each other by sliding contact,
• the contact portion is disposed in the target space, and
• a recess formed to be partially recessed from an inner surface of the surrounding wall portion toward the outer side in the radial direction is provided in a lower portion of the surrounding wall portion.