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US 11,894,745 B2Granted
Vibrating motor and haptic device including movable portion with holding portion
AssigneeNidec Corporation
InventorsAtsunori Hirata, Hiroaki Hirano, Ryoichi Mitsuhata
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Abstract
A vibrating motor includes a stationary portion, and a movable portion capable of vibrating with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which extends along the center axis and supports the movable portion to be able to vibrate along the center axis, and a coil including a conductive wire wound around the center axis. The bearing portion includes a first region including a coil inner region on a radially inner side of the coil.
Claims16
A vibrating motor comprising:
- a stationary portion;
- and
- a movable portion capable of vibrating with respect to the stationary portion along a center axis extending in a vertical direction;
- wherein
- the stationary portion includes:
- a bearing portion which extends along the center axis and supports the movable portion to be able to vibrate along the center axis;
- and
- a coil including a conductive wire wound around the center axis;
- the bearing portion includes a first region including a coil inner region on a radially inner side of the coil;
- and
- the movable portion includes:
- a core portion supported by the bearing portion to be able to vibrate along the center axis;
- and
- a holding portion fixed to the core portion;
- the holding portion holds an upper end portion of the core portion;
- the holding portion includes a columnar recess which is recessed upward in a columnar shape, the upper end portion of the core portion being located in the columnar recess;
- the bearing portion includes a third region above the first region;
- and
- a bottom of the holding portion includes a surface directly facing an upper surface of the third region in the vertical direction.
16 more elements
Dependencies are inferred from the claim text.