Rotary reciprocating drive actuator

A rotary reciprocating drive actuator, comprising:

• a movable body that includes a shaft part and is capable of reciprocating rotation around the shaft part, wherein a magnet is fixed on an outer periphery of the shaft part;
• and
• a unit main body that causes the reciprocating rotation of the movable body by interaction with the magnet, wherein
• the unit main body includes
• a core body that includes a pair of magnetic poles and a magnetic path part, the pair of magnetic poles extending on one straight line on both sides of the magnet in a radial direction of the shaft part, the magnetic path part surrounding the pair of magnetic poles and the magnet and connecting the pair of magnetic poles to each other,
• a pair of coil bodies that are respectively wound around the pair of magnetic poles and cause the interaction by energizing of the coil bodies, and
• a biasing part disposed in a recess formed in the magnetic path part at a position between the magnetic poles in a circumferential direction of the shaft part, the biasing part biasing the movable body toward an initial position of the reciprocating rotation.