US 12,407,234 B2
Actuator
Shinji Hatano, Nagano (JP)
Assigned to NIDEC INSTRUMENTS CORPORATION, Nagano (JP)
Filed by NIDEC INSTRUMENTS CORPORATION, Nagano (JP)
Filed on May 25, 2023, as Appl. No. 18/324,126.
Claims priority of application No. 2022-086491 (JP), filed on May 27, 2022.
Prior Publication US 2023/0387772 A1, Nov. 30, 2023
Int. Cl. H02K 33/18 (2006.01)
CPC H02K 33/18 (2013.01) 9 Claims
OG exemplary drawing
 
1. An actuator comprising:
a movable body;
a support body provided with a metallic case that accommodates the movable body, and a coil holder made of resin;
a connecting body that is connected to the movable body and the support body; and
a magnetic drive circuit which is provided with a coil that is held by the coil holder, and a magnet that opposes the coil in a first direction, and which vibrates the movable body with respect to the support body in a second direction that intersects the first direction; wherein
the case is provided with a first case member having a first end plate portion that opposes the movable body from one side in the first direction, and a second case member having a second end plate portion that opposes the movable body from an other side in the first direction,
the first case member is provided with a first case first side plate portion that extends toward the other side in the first direction from an end on one side of the first end plate portion in a third direction, and a first case second side plate portion that extends toward the other side in the first direction from an end on an other side of the first end plate portion in the third direction, the third direction being a direction that intersects the first direction and intersects the second direction,
the first case second side plate portion is provided with a first projection portion that protrudes toward the one side in the third direction, and
the coil holder is press-fitted between the first projection portion and the first case first side plate portion.