Abstract: A headlight device includes a light source unit to emit first light, a first optical unit to change a light distribution pattern of incident first light, a light-reception unit to detect incident second light, a second optical unit to project the light distribution pattern in a predetermined projection direction and receive incident light traveling in a direction opposite to the projection direction, a third optical unit to emit the first light toward the second optical unit and emit incident light that has passed through the second optical unit as second light toward the light-reception unit, and a fourth optical unit to focus the second light and direct toward the light-reception unit. The light distribution pattern is controlled based on a detection result of second light in the light-reception unit.

Abstract: Drive disks are configured to rotate a main wheel by applying a frictional force thereto. Each of the drive disks includes a base and a plurality of rollers. The base includes a first sheet metal member and a second sheet metal member. The first sheet metal member includes a first central part and a plurality of first arm parts. The second sheet metal member includes a second central part and a plurality of second arm parts. Each of the rollers has a first end and a second end in an axial direction thereof. Each of the first arm parts and each of the second arm parts support the first end of one of two rollers adjacent to each other and the second end of the other of the two rollers adjacent to each other.

Abstract: A headlight device includes a light source unit to emit first light, a first optical unit to change a light distribution pattern of incident first light, a light-reception unit to detect incident second light, a second optical unit to project the light distribution pattern in a predetermined projection direction and receive incident light traveling in a direction opposite to the projection direction, a third optical unit to emit the first light toward the second optical unit and emit incident light that has passed through the second optical unit as second light toward the light-reception unit, and a fourth optical unit to focus the second light and direct toward the light-reception unit. The light distribution pattern is controlled based on a detection result of second light in the light-reception unit.

Abstract: An illumination device includes a light source, a pair of wedge prisms, and a driving portion. The pair of wedge prisms deflect incident light. The driving portion includes a gear and a gear, and causes the pair of wedge prisms to rotate about a rotation axis by using the gear and the gear. The pair of wedge prisms include a wedge prism held by a barrel and a wedge prism held by a barrel. The barrel is disposed inside the barrel. A gear whose center axis is the rotation axis is provided on an outer periphery of the barrel. A gear whose center axis is the rotation axis is provided on an inner periphery of the barrel. The gear is disposed on an outer peripheral side of the gear and meshes with the gear. The gear is disposed on an inner peripheral side of the gear and meshes with the gear.

Abstract: A driving force transmission device includes drive rollers, roller support portions, and a roller arrangement portion. The drive rollers transmit a driving force to a main wheel. The roller support portions rotatably support the drive rollers. The roller arrangement portion includes a base, an outer frame, and an inner frame. The base expands radially outward with respect to a rotation axis. The outer frame extends in a circumferential direction around the rotation axis and protrudes from the base in an axial direction along the rotation axis. The inner frame is radially inside the outer frame and protrudes from the base in the axial direction. The roller support portions are fitted between the inner circumferential surface of the outer frame and the outer circumferential surface of the inner frame.

Abstract: A light irradiation device includes a light source, a first reflecting surface, a second reflecting surface and a rotation mechanism that rotates the first reflecting surface around a first central axis passing through a center of the first reflecting surface and rotates the second reflecting surface around a second central axis passing through a center of the second reflecting surface. The first central axis is orthogonal to a first reference surface that is 45 degrees inclined with respect to a first plane that is orthogonal to an optical axis of light incident upon the first reflecting surface, the second central axis is orthogonal to a second reference surface parallel to the first reference surface, and the first reflecting surface is inclined with respect to the first reference surface and the second reflecting surface is inclined with respect to the second reference surface.

Abstract: An illumination device includes a light source unit that emits light, a first optical unit that lets the light enter and changes a divergence angle of the entered light, a second optical unit including an image light formation unit that lets the light with the changed divergence angle enter and emits light including image light having image information, and a drive unit that moves the first optical unit and the second optical unit.

Abstract: A manufacturing apparatus for a drive disk includes: an upper member and a lower member each including a base and protrusions. Each protrusion is defined by a plurality of surfaces including a first side surface inclined with respect to opposed surfaces of the drive disk and a second side surface parallel to the opposed surfaces. The first side surface of the protrusion of the upper member and the first side surface of the protrusion of the lower member are parallel to each other and face away from each other. The second side surface of the protrusion of the upper member and the second side surface of the protrusion of the lower member face away from each other. The first side surface of the protrusion of the upper member and the first side surface of the protrusion of the lower member come into contact with each other to form the slot.

Abstract: A rotation adjustment mechanism includes a rotation target module supported to be freely rotatable with respect to a fixation member around a first rotary shaft and an adjustment unit including a slider. Rotation of the rotation target module around the first rotary shaft is regulated by a contact point where a connection groove of the rotation target module and a projection part of the slider contact each other, and a shape of a surface of the connection groove contacting the projection part is a shape formed by a locus that successively connects the contact points of the connection groove and the projection part each of which is obtained each time the rotation target module is moved around the first rotary shaft by a unit angle and simultaneously the projection part fixed to the slider is translated by a constant amount in a direction parallel to the slide axis.

Abstract: A headlight module includes a first light source that emits first light, and a first optical unit. The first optical unit includes a first optical surface that reflects the first light, and a lens surface that projects illuminating light including the first light reflected by the first optical surface. An edge part of the first optical surface close to the lens surface includes a first edge part and a second edge part differing from each other in a position in a direction orthogonal to an optical axis of the lens surface, and a position of the second edge part in a direction of the optical axis is closer to the lens surface than a position of the first edge part in the direction of the optical axis.

Abstract: An operation device 5 includes: a base 40; an operation part 45, extending in a left-right direction; and a pair of left and right first connection parts 50, provided between the base and the operation part, and disposed apart from each other in the left-right direction. Each first connection part includes: a first end 56, connected to the base; a second end 55, connected to the operation part; a first elastic member 63, connecting the second end with respect to the first end to be displaceable in a front-rear direction; and a first distance sensor 65A, 65B, measuring a relative distance of the second end with respect to the first end in the front-rear direction.

Abstract: A headlight module includes: a light source for emitting light; a condensing optical element for concentrating the light; and an optical element including an incident surface for receiving the concentrated light, a reflecting surface for reflecting the received light, and an emitting surface for emitting the reflected light. The condensing optical element changes a divergence angle of the light to form a light distribution pattern. The reflected light and light that enters the optical element and is not reflected by the reflecting surface are superposed on a plane including a point located at a focal position of the emitting surface in a direction of an optical axis of the emitting surface and being perpendicular to the optical axis, thereby forming a high luminous intensity region in the light distribution pattern on the plane. The emitting surface has positive refractive power and projects the light distribution pattern formed on the plane.

Abstract: A rotation adjustment mechanism includes a rotation target module supported by a fixation member to be freely rotatable around a first rotary shaft and an adjustment unit supported by the fixation member and including a slider movable along a slide axis pointing in a direction orthogonal to the first rotary shaft. The adjustment unit is supported to be freely rotatable around a second rotary shaft parallel to the first rotary shaft and provided on the fixation member. The rotation target module includes a connection groove. The fixation member includes a cam member. The cam member has a guide surface in an arc-like shape that maintains constant a rotation angle of a contact point where the connection groove and a projection part of the slider contact each other around the first rotary shaft with respect to a unit movement amount of the slider in a direction parallel to the slide axis.

Abstract: A wheel for an omnidirectional moving device includes an annular core body formed by connecting joint members in an annular shape, and free rollers rotatably supported by the core body. Each of the joint members includes a shaft portion having a first end and a second end, a first connecting portion provided at the first end, and a second connecting portion provided at the second end. Each of the free rollers is rotatably supported by the shaft portion of the corresponding joint member. The first connecting portion of each of the joint members is rotatably connected to the second connecting portion of the adjacent joint member. The first end of each of the joint members abuts on the second end of the adjacent joint member so that a rotation range of the adjacent joint members is restricted. A cushioning material is provided between the first end and the second end.

Abstract: A headlight device includes an optical unit to emit light and a support mechanism to support the optical unit. The optical unit includes supported pins as a first supported part and supported groove parts as a second supported part. The support mechanism includes support groove parts as a first support part that is provided on a first straight line in a predetermined first direction and contacts the supported pins and support pins as a second support part that is provided on a second straight line in a second direction orthogonal to the first direction and contacts the supported groove parts. The support mechanism supports the optical unit to be freely rotatable around the first straight line passing through the support groove parts and freely rotatable around the second straight line passing through the support pins.

Abstract: A rotation adjustment mechanism includes a rotation target module supported by a fixation member to be freely rotatable around a first rotary shaft and an adjustment unit supported by the fixation member and including a slider movable along a slide axis pointing in a direction orthogonal to the first rotary shaft. The adjustment unit is supported to be freely rotatable around a second rotary shaft parallel to the first rotary shaft and provided on the fixation member. The rotation target module includes a connection groove. The fixation member includes a cam member. The cam member has a guide surface in an arc-like shape that maintains constant a rotation angle of a contact point where the connection groove and a projection part of the slider contact each other around the first rotary shaft with respect to a unit movement amount of the slider in a direction parallel to the slide axis.

Abstract: A rotation adjustment mechanism includes a rotation target module supported to be freely rotatable with respect to a fixation member around a first rotary shaft and an adjustment unit including a slider. Rotation of the rotation target module around the first rotary shaft is regulated by a contact point where a connection groove of the rotation target module and a projection part of the slider contact each other, and a shape of a surface of the connection groove contacting the projection part is a shape formed by a locus that successively connects the contact points of the connection groove and the projection part each of which is obtained each time the rotation target module is moved around the first rotary shaft by a unit angle and simultaneously the projection part fixed to the slider is translated by a constant amount in a direction parallel to the slide axis.

Abstract: A light irradiation device includes a light source, a first reflecting surface, a second reflecting surface and a rotation mechanism that rotates the first reflecting surface around a first central axis passing through a center of the first reflecting surface and rotates the second reflecting surface around a second central axis passing through a center of the second reflecting surface. The first central axis is orthogonal to a first reference surface that is 45 degrees inclined with respect to a first plane that is orthogonal to an optical axis of light incident upon the first reflecting surface, the second central axis is orthogonal to a second reference surface parallel to the first reference surface, and the first reflecting surface is inclined with respect to the first reference surface and the second reflecting surface is inclined with respect to the second reference surface.

Abstract: A cart includes a vehicle body, at least one omnidirectional wheel provided at the vehicle body and configured to move the vehicle body in all directions along a floor, a drive unit configured to drive the omnidirectional wheel, a handle provided at the vehicle body and configured to accept an operation by a user, at least one sensor configured to detect loads in a width direction and a front-and-rear direction of the vehicle body applied to the handle, and a control unit configured to control the drive unit based on the loads detected by the sensor, wherein the handle includes a first portion extending in the width direction and at least one second portion extending in a front-and-rear direction.

Abstract: A wear computing system (100, 200, 300) for computing a wear of a wheel (3) of a vehicle (2) comprises a revolution sensor (48) configured to detect a number of revolutions of the wheel (3), an acceleration sensor (49) configured to detect an acceleration of the vehicle (2) in a travel direction thereof, and a control unit (7) configured to compute a travel distance of the vehicle from the acceleration of the vehicle, and compute the wear from the travel distance and the number of revolutions of the wheel (3).