Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrating body including a weight and a magnet, the vibrating body being supported so as to be vibratable in one direction relative to the stationary portion; an elastic member located between the stationary portion and the vibrating body; and a top plate portion that is disposed above the vibrating body in an up-down direction that is perpendicular to the one direction. The magnet is disposed above the coil, and the top plate portion faces the magnet in the up-down direction. The magnet includes a set of first magnets that generate magnetic forces that are opposite to each other in the up-down direction and one or more second magnets that are interposed between the first magnets and each generate a magnetic force in the one direction.

Abstract: A first elastic member includes a first fastening portion, a second fastening portion, and a first coupling portion. A second elastic member includes a third fastening portion, a fourth fastening portion, and a second coupling portion. The first fastening portion, the second fastening portion, the third fastening portion, and the fourth fastening portion extend in a lateral direction. The first fastening portion and the second fastening portion face each other in a longitudinal direction, perpendicular to the lateral direction. The third fastening portion and the fourth fastening portion face each other in the longitudinal direction. The first coupling portion and the second coupling portion include plane portions extending in the longitudinal direction when a vibrating body has zero displacement. The first fastening portion to the fourth fastening portion extend in the lateral direction without being bent from coupled portions between themselves to a first curve to a fourth curve.

Abstract: A vibration motor includes a shaft, a stationary portion, a vibrating body, and an elastic member. The vibrating body includes a weight, first magnets, magnetic bodies, and one or more second magnets. Each first magnet has a ring shape and is magnetized in an inner or outer circumferential direction. Each magnetic body has a ring shape and is disposed between the shaft and a corresponding one of the first magnets. The one or more second magnets are magnetized in one direction, have a ring shape, and are interposed between the magnetic bodies corresponding thereto that are adjacent to each other in the one direction. The adjacent first magnets in the one direction are such that magnetic polarities of one of the first magnets at inner and outer circumferences thereof are opposite to magnetic polarities of another of the first magnets adjacent thereto at inner and outer circumferences thereof.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The magnet is arranged on an upper side of the coil in a vertical direction perpendicular to the one direction. The elastic member includes a fixing portion fixed to a side surface of the vibrator, and a top plate portion joined to the fixing portion, and fixed to an upper surface of the vibrator. The top plate portion is arranged opposite to the magnet in the vertical direction.

Abstract: A vibration motor includes a stationary portion including a base and an annular coil; a vibrator including a magnet, and supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The base includes a columnar portion arranged to project upward in a vertical direction perpendicular to the one direction. An outside surface of the columnar portion is arranged opposite to an inside surface of the coil.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The vibrator includes a magnet arranged on an upper side of the coil in a vertical direction perpendicular to the one direction, and a weight arranged to hold the magnet. The weight includes a first weight portion in the shape of a plate, and at least one second weight portion arranged to extend downward from a lower surface of the first weight portion. The at least one second weight portion and the coil are arranged opposite to each other in the one direction.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and at least one elastic member. The magnet is arranged on an upper side of the coil. The stationary portion includes at least one projecting portion arranged to project in the vertical direction. A portion of the at least one projecting portion is arranged opposite to a portion of the vibrator in the one direction. The at least one elastic member includes a plate spring portion arranged to support at least one of both ends of the vibrator with respect to the one direction. The plate spring portion includes a decreased width portion and an increased width portion, the decreased width portion being above or below a corresponding one of the at least one projecting portion when viewed from one side in the one direction.

Abstract: A first elastic member includes a first fastening portion, a second fastening portion, and a first coupling portion. A second elastic member includes a third fastening portion, a fourth fastening portion, and a second coupling portion. The first fastening portion, the second fastening portion, the third fastening portion, and the fourth fastening portion extend in a lateral direction. The first fastening portion and the second fastening portion face each other in a longitudinal direction, perpendicular to the lateral direction. The third fastening portion and the fourth fastening portion face each other in the longitudinal direction. The first coupling portion and the second coupling portion include plane portions extending in the longitudinal direction when a vibrating body has zero displacement. The first fastening portion to the fourth fastening portion extend in the lateral direction without being bent from coupled portions between themselves to a first curve to a fourth curve.

Abstract: A vibration motor includes a shaft having a center axis extending in one direction; a stationary portion having a coil wound in a circumferential direction of the center axis; a vibrating body arranged outside the shaft in a radial direction and being vibratable in the one direction relative to the stationary portion; and at least a single coil spring arranged between the stationary portion and the vibrating body, and wound in the circumferential direction. The vibrating body includes a weight and a magnet arranged inside the coil in the radial direction, in the one direction with respect to the weight. The coil spring overlaps the coil in the one direction.

Abstract: A vibration motor includes a shaft, a stationary portion, a vibrating body, and an elastic member. The vibrating body includes a weight, first magnets, magnetic bodies, and one or more second magnets. Each first magnet has a ring shape and is magnetized in an inner or outer circumferential direction. Each magnetic body has a ring shape and is disposed between the shaft and a corresponding one of the first magnets. The one or more second magnets are magnetized in one direction, have a ring shape, and are interposed between the magnetic bodies corresponding thereto that are adjacent to each other in the one direction. The adjacent first magnets in the one direction are such that magnetic polarities of one of the first magnets at inner and outer circumferences thereof are opposite to magnetic polarities of another of the first magnets adjacent thereto at inner and outer circumferences thereof.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrating body including a weight and a magnet, the vibrating body being supported so as to be vibratable in one direction relative to the stationary portion; and an elastic member located between the stationary portion and the vibrating body. The magnet is disposed above the coil in an up-down direction that is perpendicular to the one direction. The weight includes a first side wall extending in the one direction and a second side wall facing the first side wall. The casing includes at least one first opening facing the first side wall and at least one second opening facing the second side wall.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrating body including a weight and a magnet, the vibrating body being supported so as to be vibratable in one direction relative to the stationary portion; an elastic member located between the stationary portion and the vibrating body; and a top plate portion that is disposed above the vibrating body in an up-down direction that is perpendicular to the one direction. The magnet is disposed above the coil, and the top plate portion faces the magnet in the up-down direction. The magnet includes a set of first magnets that generate magnetic forces that are opposite to each other in the up-down direction and one or more second magnets that are interposed between the first magnets and each generate a magnetic force in the one direction.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The magnet is arranged on an upper side of the coil in a vertical direction perpendicular to the one direction. The elastic member includes a fixing portion fixed to a side surface of the vibrator, and a top plate portion joined to the fixing portion, and fixed to an upper surface of the vibrator. The top plate portion is arranged opposite to the magnet in the vertical direction.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The vibrator includes a magnet arranged on an upper side of the coil in a vertical direction perpendicular to the one direction, and a weight arranged to hold the magnet. The weight includes a first weight portion in the shape of a plate, and at least one second weight portion arranged to extend downward from a lower surface of the first weight portion. The at least one second weight portion and the coil are arranged opposite to each other in the one direction.

Abstract: A vibration motor includes a stationary portion including a base and an annular coil; a vibrator including a magnet, and supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The base includes a columnar portion arranged to project upward in a vertical direction perpendicular to the one direction. An outside surface of the columnar portion is arranged opposite to an inside surface of the coil.

Abstract: A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and at least one elastic member. The magnet is arranged on an upper side of the coil. The stationary portion includes at least one projecting portion arranged to project in the vertical direction. A portion of the at least one projecting portion is arranged opposite to a portion of the vibrator in the one direction. The at least one elastic member includes a plate spring portion arranged to support at least one of both ends of the vibrator with respect to the one direction. The plate spring portion includes a decreased width portion and an increased width portion, the decreased width portion being above or below a corresponding one of the at least one projecting portion when viewed from one side in the one direction.

Abstract: A vibration generator includes a housing, a vibrating body arranged inside of a circumferential wall portion of the housing, and a band-like leaf spring arranged between the vibrating body and the circumferential wall portion. The leaf spring includes a connection portion connected to the vibrating body, an attachment portion attached to the circumferential wall portion of the leaf spring and an intermediate portion formed between the connection portion and the attachment portion to extend around the vibrating body. The connection portion and the attachment portion are arranged at one transverse side and the other transverse side of the vibrating body along a direction intersecting a vibration direction of the vibrating body. The intermediate portion is arranged in a vibration-direction outer region of the vibrating body and formed in a single layer to extend across the vibration direction of the vibrating body.

Abstract: A vibration generator includes a circumferential wall portion, a vibrating body arranged inside the circumferential wall portion in an opposing relationship with a coil and configured to reciprocatingly vibrate in one direction, a band-shaped leaf spring arranged between the vibrating body and the circumferential wall portion to support the vibrating body on the circumferential wall portion, and a damper member including a base portion attached to one of the vibrating body and the leaf spring and a tip end portion extending toward the other of the vibrating body and the leaf spring. The tip end portion of the damper member makes sliding contact with the leaf sprig or the vibrating body.

Abstract: A vibration generator includes a coil, a vibrating body, a spring, and a shaft. The coil is arranged to generate magnetic fields. The vibrating body includes a magnet and a weight. The vibrating body is arranged to be vibrated in a thrust direction by an interaction of magnetic fields generated from the magnet and magnetic fields generated from the coil. The spring is arranged to support the vibrating body at one thrust-direction side of the vibrating body. The shaft is extended in the thrust direction through the vibrating body. The shaft is arranged to allow the vibrating body to slide along the shaft in the thrust direction.

Abstract: A vibration generator includes a coil arranged to generate magnetic fields, a ring-shaped yoke arranged to amplify an electromagnetic force generated by the magnetic fields in cooperation with the coil, a vibrating body arranged radially inward of the coil to move in a thrust direction, a ring-shaped magnet arranged in an outer peripheral portion of the vibrating body and opposed to the coil, and a spring arranged to support the vibrating body on at least one side of the vibrating body in thrust-direction.