Mitsuba Corporation Patente

The disclosure improves the light emission state while refining the design appeal of the housing. The first emitting surface (71a) comprises a first spherical surface (71b) protruding in a direction of light emission, and second spherical surfaces (71c, 71d) disposed radially outward of the first spherical surface (71b) and configured to emit light to an exterior so as to approach a direction of the light emitted from a center of the first spherical surface (71b) to an exterior. The light emitted to an exterior from the second spherical surfaces (71c, 71d) is brought closer to a direction of the light emitted from the first spherical surface (71b), so that even in the winker lamp (10) designed in an elongated rod shape, interference between light emitted from the first emitting surface (71a) and light emitted from the second emitting surface (62d) is suppressed.

The disclosure provides a vehicle lighting fixture (10) capable of obtaining stipulated photometric property without increasing size. A substrate (50) mounting a linear array of first to fourth light sources (D1~D4), and a lens (40) having an opposing surface (41a) facing the first to fourth light sources (D1~D4), are provided, wherein the opposing surface (41a) has first to fourth Fresnel lens parts (61~64) facing respectively the first to fourth light sources (D1~D4), and a straight lens part (70) provided to extend across the first to fourth Fresnel lens parts (61~64), and the straight lens part (70) is disposed on both sides of a base line (BL), with the base line (BL) passing through centers of the first to fourth Fresnel lens parts (61~64) as a center.

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An object is to prevent a wiper blade from detaching from a wiper arm contrary to the intention of the user while maintainability is ensuring. A wiper arm (30) and a wiper blade (40) are rotated by a rotation angle of β degrees about an axial center (CT) during wiping. The wiper arm (30) and the wiper blade (40) include: a first and second tip side abutment part (53a, 54a) and a first and second tip side inclined surface (65a, 66a), abutting against each other during rotation by a rotation angle exceeding β degrees in one direction; and a first and second base end side abutment part (53b, 54b) and a first and second base end side inclined surface (65b, 66b), abutting against each other during rotation by a rotation angle exceeding β degrees in the other direction.

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Provided is a lighting device for vehicle that can efficiently release heat generated by a substrate on which a light source is mounted to the outside. The lighting device for vehicle includes a substrate (10) on which a light source (11A, 11B) is mounted, and a resin cover (20) covering the substrate. The resin cover has a concave portion (21) formed in a shape recessed in a direction approaching the substrate as viewed from the outside, and a heat conductive material (30) is disposed between the concave portion and the substrate. When the lighting device for vehicle is installed in a vehicle, the direction approaching the substrate as viewed from the outside is opposite to a travel direction of the vehicle. The concave portion is defined by a wall portion (23) extending with respect to the direction and has a cutout portion (24) where the wall portion is not formed.

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Provided are: a motor device capable of adjusting the rotation balance of a rotor while suppressing an output torque reduction or the like; and a method for manufacturing the same. A rotor 33 equipped with a rotating shaft 34, a rotor core 33a fixed to the rotating shaft 34, a magnet MG fixed to the rotor core 33a, and an adjustment member 37 which is fixed to the rotating shaft 34 and adjusts the rotation balance of the rotor 33, wherein the separation distance L1 between the magnet MG and the adjustment member 37 in the axial direction of the rotating shaft 34 is greater than the separation distance L2 between the magnet MG and the stator 32 in the radial direction of the rotating shaft 34 (L1>L2). As a result, the rotation balance of the rotor 33 can be adjusted, and the adjustment member 37 can be positioned farther from the magnet MG than is the stator 32. Thus, movement of the magnetic flux [Wb] from the magnet MG toward the adjustment member 37 is suppressed, and is efficiently directed toward the stator 32.

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