Abstract: A handlebar switch for a motorcycle that achieves reduction in size of a switch case, while enhancing a degree of freedom in layout of a plurality operating and other types of switches. A handlebar switch includes: a switch case that includes case half bodies, joined together across a handlebar and a plurality of operating switches, such as a horn switch, protruding from the switch case; and a substrate disposed inside the switch case in a position substantially orthogonal to a direction of an axis of the handlebar, the substrate having a plurality of contacts for generating electric signals in a manner operatively associated with an operation of the operating switch. In the handlebar switch, each of the contacts is electrically connected by pressure applied in a direction substantially identical to the direction of the axis of the handlebar.

Abstract: A motorcycle tail light device can have a plurality of front engagement members, provided in a front part of a tail light support stay, that enable movement of a support position of a tail light device 50 in a vehicle longitudinal direction. A plurality of rear engagement members can be, provided in a rear part of the tail light support stay, to enable movement of the support position of the tail light device in the vehicle longitudinal direction. A front engaged member can be provided in a front part of the tail light device, engaged with any one of the plurality of front engagement members. A rear engaged member can be provided in a rear part of the tail light device, engaged with any one of the plurality of rear engagement members.

Abstract: A direction indicator includes a direction indicator main unit, a grommet for elastically supporting the direction indicator main unit to a front cowl on a vehicle body side, a retainer for removably fixing the front cowl on the vehicle body side and the direction indicator main unit via the grommet, and a shouldered bolt for fastening the retainer and the direction indicator main unit. A fastening portion of the direction indicator main unit to which the retainer is fastened with the shouldered bolt has a groove that serves as a weakened or fragile portion that is deformed or damaged when the direction indicator engages the ground.

Abstract: A handlebar switch for a motorcycle that achieves reduction in size of a switch case, while enhancing a degree of freedom in layout of a plurality operating and other types of switches. A handlebar switch includes: a switch case that includes case half bodies, joined together across a handlebar and a plurality of operating switches, such as a horn switch, protruding from the switch case; and a substrate disposed inside the switch case in a position substantially orthogonal to a direction of an axis of the handlebar, the substrate having a plurality of contacts for generating electric signals in a manner operatively associated with an operation of the operating switch. In the handlebar switch, each of the contacts is electrically connected by pressure applied in a direction substantially identical to the direction of the axis of the handlebar.

Abstract: A head light device, according to one embodiment, has a head light, a position light provided around the head light, a reflector to reflect bulb light of the head light, and an extension covering the perimeter of the reflector. The extension covers a position in front of the position light, and the extension is provided with openings, and reflection members to guide the light of the position light to the outside.

Abstract: A handle switch wherein chattering after mounting of the handle switch to a handlebar can be restrained while maintaining assembleability of switch cases of bisection structure. The handle switch includes a first case and a second case of bisection structure formed with clamp surfaces making contact with the outer circumference of the handlebar of a motorcycle, the first case and the second case being coupled together, with the handlebar clamped between the clamp surfaces, to thereby fix the handle switch to the handlebar. At least one of the clamp surface formed in the first case and the clamp surface formed in the second case is formed with a rib serving as a fastening allowance in coupling the first case and the second case together. The width B of the rib is set to be smaller than the width A of the clamp surfaces.

Abstract: A taillight apparatus of a vehicle is arranged with a board provided with LEDs between a case and a lens. The board is arranged along a front and rear direction of the vehicle. A first reflector is provided at one end of the board on a side of the case, and is provided with a second reflector at the other end of the board on a side of the lens. The board is supported by interposing the board between the first reflector and the second reflector. The taillight apparatus configured in this manner has a reduced height dimension and a board with increased strength.

Abstract: A direction indicator includes a direction indicator main unit, a grommet for elastically supporting the direction indicator main unit to a front cowl on a vehicle body side, a retainer for removably fixing the front cowl on the vehicle body side and the direction indicator main unit via the grommet, and a shouldered bolt for fastening the retainer and the direction indicator main unit. A fastening portion of the direction indicator main unit to which the retainer is fastened with the shouldered bolt has a groove that serves as a weakened or fragile portion that is deformed or damaged when the direction indicator engages the ground.

Abstract: There is provided a taillight apparatus capable of downsizing the taillight apparatus by reducing a height dimension of the taillight apparatus and capable of increasing a strength of supporting a board. A taillight apparatus 10 is arranged with a board 13 provided with LEDs 31 and 32 between a case 11 and a lens 12, arranged with a board 13 along a front and rear direction of a vehicle, provided with a first reflector 21 at one end of the board 13 on a side of the case 11 and provided with a second reflector 22 at other end of the board 13 on a side of the lens 12, and the board 13 is supported by interposing the board 13 between the first reflector 21 and the second reflector 22.

Abstract: A head light device, according to one embodiment, has a head light, a position light provided around the head light, a reflector to reflect bulb light of the head light, and an extension covering the perimeter of the reflector. The extension covers a position in front of the position light, and the extension is provided with openings, and reflection members to guide the light of the position light to the outside.

Abstract: A motorcycle tail light device can have a plurality of front engagement members, provided in a front part of a tail light support stay, that enable movement of a support position of a tail light device 50 in a vehicle longitudinal direction. A plurality of rear engagement members can be, provided in a rear part of the tail light support stay, to enable movement of the support position of the tail light device in the vehicle longitudinal direction. A front engaged member can be provided in a front part of the tail light device, engaged with any one of the plurality of front engagement members. A rear engaged member cam be provided in a rear part of the tail light device, engaged with any one of the plurality of rear engagement members.

Abstract: To provide a tail lamp structure wherein a height in an upward and downward direction can be reduced to achieve miniaturization thereof. A tail lamp structure is equipped at a rear portion of a motorcycle. A board on which a stop lamp LED and a tail lamp LED are mounted in a spaced relationship from each other forwardly and backwardly is disposed in the forward and backward direction of the vehicle. The stop lamp LED and said tail lamp LED are isolated from each other by a reflector.

Abstract: A motorcycle front lighting apparatus structure includes a headlight and a position light provided adjacent to the headlight. In this structure, the position light is disposed in a condition protruding downwardly from a lower edge of the headlight. This structure allows the position light to be made larger, and makes any needed repair easy and cost effective.

Abstract: A motorcycle front lighting apparatus structure includes a headlight and a position light provided adjacent to the headlight. In this structure, the position light is disposed in a condition protruding downwardly from a lower edge of the headlight. This structure allows the position light to be made larger, and makes any needed repair easy and cost effective.

Abstract: To provide a tail lamp structure wherein a height in an upward and downward direction can be reduced to achieve miniaturization thereof. A tail lamp structure is equipped at a rear portion of a motorcycle. A board on which a stop lamp LED and a tail lamp LED are mounted in a spaced relationship from each other forwardly and backwardly is disposed in the forward and backward direction of the vehicle. The stop lamp LED and said tail lamp LED are isolated from each other by a reflector.

Abstract: A headlamp unit is provided to emphasize a shape of an individual lamp while suppressing an increase in the number of parts used, while improving ventilation and preventing fogging in areas near an inner surface of a lens, while maintaining a simple housing structure. The headlamp unit including a high beam lamp and a low beam lamp arranged vertically. The high beam lamp and the low beam lamp are disposed on upper and lower portions, respectively. The headlamp unit including an area between the high beam lamp and the low beam lamp covered with a lamp to lamp transverse portion of a front cowl, and an area near each of lenses including an air vent hole disposed so as to face a space between the two lenses. The headlamp unit may further include a moisture conditioning member disposed on an inside of the lamp housing.

Abstract: A headlamp unit is provided to emphasize a shape of an individual lamp while suppressing an increase in the number of parts used, while improving ventilation and preventing fogging in areas near an inner surface of a lens, while maintaining a simple housing structure. The headlamp unit including a high beam lamp and a low beam lamp arranged vertically. The high beam lamp and the low beam lamp are disposed on upper and lower portions, respectively. The headlamp unit including an area between the high beam lamp and the low beam lamp covered with a lamp to lamp transverse portion of a front cowl, and an area near each of lenses including an air vent hole disposed so as to face a space between the two lenses. The headlamp unit may further include a moisture conditioning member disposed on an inside of the lamp housing.

Abstract: A scooter type vehicle such as a motorcycle includes a fuel tank disposed between a pair of left and right side frames extending in the fore-and-aft direction. The fuel tank is covered by an undercover on its under side and by a footrest plate on its upper side. The undercover is inserted between the left and right side frames from above. Edges of the undercover are placed on the left and right side frames, and the fuel tank is stored in a storage recess on the undercover from above. Edges of the fuel tank are placed on the edges of the undercover, and the footrest plate is placed on the edges of the fuel tank. The left and right side frames can then support the undercover, the fuel tank, and the footrest plate with the present invention.

Abstract: A scooter type vehicle such as a motorcycle includes a fuel tank disposed between a pair of left and right side frames extending in the fore-and-aft direction. The fuel tank is covered by an undercover on its under side and by a footrest plate on its upper side. The undercover is inserted between the left and right side frames from above. Edges of the undercover are placed on the left and right side frames, and the fuel tank is stored in a storage recess on the undercover from above. Edges of the fuel tank are placed on the edges of the undercover, and the footrest plate is placed on the edges of the fuel tank. The left and right side frames can then support the undercover, the fuel tank, and the footrest plate with the present invention.

Abstract: There are disclosed a sintered body of ceramics, comprising 0.1 to 10% by weight of Y.sub.2 O.sub.3 ; 0.1 to 10% by weight of Al.sub.2 O.sub.3 ; 0.1 to 10% by weight of AlN; 0.1 to 5% by weight of at least one oxide selected from the group consisting of Li.sub.2 O, BeO, CaO, V.sub.2 O.sub.5, MnO.sub.2, MoO.sub.3 and WO.sub.3 or a combination of at least one of these oxides with at least one oxide selected from the group consisting of B.sub.2 O.sub.3 MgO, TiO.sub.2, Cr.sub.2 O.sub.3, CoO, NiO, ZrO.sub.2, Nb.sub.2 O.sub.5, HfO.sub.2 and Ta.sub.2 O.sub.5 ; and the balance of Si.sub.3 N.sub.4, and a process for producing a sintered body of ceramics, which comprises molding a powder mixture of the same composition, and sintering the resultant molded compact in a non-oxidative atmosphere.The process of the present invention requires no hot press and therefore very suitable for bulk production.