Abstract: A plurality of mounting terminals, a plane electrode formed around the plurality of mounting terminals, and a plurality of interconnects for plating, each of which is respectively connected to the plane electrode and a plurality of the mounting terminals different from each other are formed at one surface of the wiring board. The method of manufacturing the wiring board includes forming a mask film for plating on the insulating base, and forming a plated film on the mounting terminals and the interconnects for plating exposed out from the mask film; disposing, on the mask film for plating, a mask for removing interconnect so as to cover the plurality of openings for mounting terminals out of the regions having the plated film formed therein; and removing, through the mask for removing interconnect, the plated film and the interconnects for plating exposed out from the mask for removing interconnect.

Abstract: A composition for producing a printed circuit board is provided. The composition includes a polyamic acid having one or two crosslinkable functional groups introduced at one or both ends thereof, a liquid crystal polymer (LCP) or a liquid crystalline thermoset (LCT) oligomer, and an organic solvent. Therefore, the composition can be used as a material for next-generation boards that are becoming gradually lighter in weight and smaller in thickness and size. Further provided is a printed circuit board produced using the composition.

Abstract: An FPCB and a method of manufacturing the same, in which an electrical signal-conductive portion of the FPCB is subjected to little stress so as not to be broken by fatigue in spite of repeated bending of the FPCB, thereby increasing the lifetime of the FPCB.

Abstract: One or more embodiments contained herein disclose rigid printed circuit boards (PCBs) and methods for manufacturing the same comprising strain resistant layers configured to, among others, minimize defects from occurring in cap layers of the PCBs.

Abstract: A multilayer wiring board includes a core insulating layer with a first conductive wiring, a first insulating layer with a softening temperature lower than the core insulating layer, and a second insulating layer formed on the core insulating layer through the first insulating layer, the second insulating layer with a second conductive wiring electrically connected to the first conductive wiring and a softening temperature higher than the first insulating layer. The first insulating layer is mainly formed of a liquid crystal polymer. The core insulating layer and the second insulating layer are mainly formed of a polyimide resin or a bismaleimide triazine resin. The first conductive wiring and the second conductive wiring are electrically connected through a conductive via formed penetrating through the first insulating layer and the second insulating layer in a thickness direction.

Abstract: A mounting structure includes: a wiring board; an electronic element which is mounted in the wiring board and supplied with a periodic signal; and a first opening which is formed in the wiring board along one side of the electronic element in a longitudinal direction of the electronic element. The opening is opposed to the entire one side of the electronic element.

Abstract: An integrated circuit radio transceiver and method therefor includes an integrated circuit package that comprises a first substrate device, first and second nodes of a circuit on an outer surface of the first substrate device, a second substrate device and a trace on the second substrate device to provide crossover coupling. First and second bumps coupling the trace on the second substrate device to the first and second nodes on the first substrate device operable to provide crossover coupling.

Abstract: A shielded cable interface module having cable receiving grooves extending laterally to an edge of the board, each including a center conductor groove, an insulator groove, and a shield groove. A center conductor via and a shield via extend through the board. A conductor plane on the cable termination side surrounds the cable receiving grooves. The conductor plane includes a non-conductor region within the conductor plane adjacent to each of the conductor center conductor grooves. Ground vias associated with the cable receiving grooves are spaced apart from and partially surround the center conductor via outside and adjacent to the non-conductor region, the ground vias extend through the printed circuit board from the cable termination side to the system interface side.

Abstract: A wired circuit board includes a wiring formation portion, a terminal formation portion, and a middle portion formed therebetween. The wiring formation portion includes a first conductive layer formed on a first insulating layer, and a second conductive layer formed on a second insulating layer so as to overlap the first conductive layer in a thickness direction. The terminal formation portion includes the first and second conductive layers formed in parallel in the same plane. The middle portion includes the first conductive layer formed on the first insulating layer, and the second conductive layer formed on a portion of the second insulating layer extending from the wiring formation portion to a mid-point between the wiring formation portion and the terminal formation portion, and formed on a portion of the first insulating layer extending from the mid-point to the terminal formation portion.

Abstract: In a package for a semiconductor device, a core substrate has two metal plates, each of which includes a first through hole, a second through hole, a projection, and an insulating layer formed on its surface. The metal plates are stacked in a manner that the projections of the mutual metal plates enter the second through hole of the metal plate on a partner side, and the first through holes of the metal plates form a through hole penetrating the core substrate. A tip end of each of the projections of the metal plates is exposed to a surface of the metal plate on the partner side to form a first terminal portion, and a second terminal portion is exposed from the insulating layer and formed on a surface of the metal plate on a side where the first terminal portion of the metal plate on the partner side is exposed.

Abstract: A processing method of forming a through-hole in a workpiece by means of a pulsed laser beam includes the steps of providing a removable sacrifice layer on the workpiece, forming a through-hole in the workpiece by the laser beam in a state where the sacrifice layer is provided, and removing the sacrifice layer from the workpiece after the step of forming the through-hole.

Abstract: An exemplary embodiment of a circuit board is provided. The circuit board is compatible to a first chip with a first pin number, and a second chip with a second pin number, comprising a plurality of first pads, second pads and third pads. The arrangements of the first and second pads are fit to the pin arrangement of the first chip, and the arrangements of the first and third pads are fit to the pin arrangement of the second chip. The first chip can be placed on the circuit board via the first and second pads, and the second chip can be placed on the circuit board via the first and third pads.

Abstract: The electromagnetic wave shielding wiring circuit forming method of the present invention comprises the steps of: preparing a fine copper particle dispersion, by dispersing fine copper particles into a disperse medium (S) including an organic solvent (A) having an amide-based compound, an organic solvent (B) having a boiling point of 20° C. or higher at an ordinary pressure and having a donor number of 17 or more, an organic solvent (C) having a boiling point exceeding 100° C. at an ordinary pressure and comprising alcohol and/or polyhydric alcohol, and an organic solvent (E) having an amine-based compound, at specific ratios; coating or printing the fine copper particle dispersion onto a substrate, to form a wiring pattern comprising a liquid film of the fine copper particle dispersion; and firing the liquid film of the fine copper particle dispersion, to form a sintered wiring layer.

Abstract: An electromagnetic interference shielded panel and method of manufacture. The panel includes one or more frame members having a rib adapted to provide sacrificial material when a first skin member is welded to the frame member. The first skin member is welded to the frame members of a frame assembly prior to bonding of a core member and a second skin member to the first skin member and frame assembly.

Abstract: An electromagnetic interference shielded panel and method of manufacture. The panel includes one or more frame members having a rib adapted to provide sacrificial material when a first skin member is welded to the frame member. The first skin member is welded to the frame members of a frame assembly prior to bonding of a core member and a second skin member to the first skin member and frame assembly.

Abstract: A polygonal service post provides electrical services and optionally air to one or more workstations. The service post has a square cross-sectional shape with vertical faces having a channel for mounting a panel wherein adjacent panels form a workstation and having power and data outlets and an air damper for delivering air to each workstation. Alternatively, the service post has a hexagonal or octagonal cross-sectional shape with first vertical mounting faces alternating with second vertical utility faces. The first vertical faces provide a surface for mounting a panel wherein adjacent panels form a workstation and each second vertical face includes electrical outlets and an air damper for delivering air to each workstation. Wiring for power and data delivery is provided to the service post from the floor or alternatively, from a ceiling wiring system whereas air may be provided from an access floor or a cellular floor system.

Abstract: An optoisolator leadframe assembly includes: an emitter leadframe part including a first rail and a plurality of emitter leadframe units, each rail including two rows of emitter leadframes, each having a die-mounting pad; and a receiver leadframe part including a second rail and a plurality of receiver leadframe units, each including two rows of receiver leadframes, each having a die-mounting pad. The die-mounting pads of the emitter leadframes of each row of each of the emitter leadframe units are respectively aligned with and spaced apart from the die-mounting pads of the receiver leadframes of an adjacent row of an adjacent one of the receiver leadframe units. Each of the emitter and receiver leadframe parts is a single piece.

Abstract: A housing can accommodate an electronic component. An outer wall of the housing forms a flat contact wall in which contact areas for connecting the housing to an interconnect device are arranged.

Abstract: An end cap (30) for sealing an end of a closure about a cable member directed therein. The end cap (30) includes a wall member (32) having a first surface (34), an exterior surface and an outer circumferential edge. A longitudinal port (40) extends through the wall member (32) from the first surface to the exterior surface. The port (40) has a transverse cross-sectional shape defined by first and second lobed portions (42, 44) joined at a waist (46), the cross-sectional shape of the port configured for receiving a cable assembly having a corresponding transverse cross-section.

Abstract: The invention relates to a system for performing a drilling operation for an oilfield. The system includes a drilling system for advancing a drilling tool into a subterranean formation, a repository storing multiple survey factors for at least one wellsite of the oilfield and multiple drilling factors corresponding to at least one section of a planned trajectory of the at least one wellsite, and a processor and memory storing instructions when executed by the processor. The instructions include functionality to configure a drilling model for each of the at least one wellsite based on the plurality of survey factors and the plurality of drilling factors and selectively adjust the drilling model with respect to a plurality of drilling scenarios to generate an optimal drilling plan.

Abstract: A rotating control drilling device includes an upper sealing element and a lower sealing element positioned around a drillstring and forming a chamber therebetween and a leak detection device. The leak detection device includes a piston in communication with the chamber, a magnet disc disposed on an end of the piston, and a plurality of magnetic sensors arranged in a magnetic sensing ring around the rotating control drilling device. Upon reaching a selected critical pressure in the chamber, a spring is configured to compress as the magnet disc is positioned proximate to the plurality of magnetic sensors. Furthermore, a method to detect leaks in a rotating control device includes positioning a leak detection device in communication with a chamber located between upper and lower sealing elements and signaling with the leak detection device when a pressure of the chamber exceeds a selected critical pressure.

Abstract: To improve drilling performance, a drilling fluid is selected based on one or more criteria and to have at least one target characteristic. Drilling equipment is used to drill a wellbore, and the selected drilling fluid is provided into the wellbore during drilling with the drilling equipment. The at least one target characteristic of the drilling fluid includes an ability of the drilling fluid to penetrate into formation cuttings during drilling to weaken the formation cuttings.

Abstract: A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section having drill rotor and drill rod and connecting to intermediate drill rods allowing extension of the boring hole created by the drill head section driven by the drive system. The drill head includes a modular construction having a plurality of circular disc like elements, a bearing module, a steering module, a spacer module, and a mounting module, for axial alignment and abutment and mounting within a cylindrical steering shell. Directional steering of the drill head includes a plurality of substantially radially extending channels in steering module, each with an hydraulically movable protuberance movable by control means to redirect the outer steering casing and thereby redirect the drill head section mounted on the distal end of the drill rods.

Abstract: A nano particle reinforced polymer element of a stator and rotor assembly for a power section of a positive displacement fluid motor or a progressive cavity pump. Nano-sized particles are blended with an uncured polymer to improve the physical and chemical properties of the polymer. The use of nano-sized particles reduces the quantity of reinforcement material required to manufacture the polymer for the stator and rotor assembly and lowers the viscosity of the uncured polymer to improve manufacturing characteristics. The use of chemically functionalized nano particles improves the chemical and physical characteristics of the polymer.

Abstract: A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section having drill rotor and drill rod and connecting to intermediate drill rods allowing extension of the boring hole created by the drill head section driven by the drive system. The drill head includes a modular construction having a plurality of circular disc like elements, a bearing module, a steering module, a spacer module, and a mounting module, for axial alignment and abutment and mounting within a cylindrical steering shell. Directional steering of the drill head includes a plurality of substantially radially extending channels in steering module, each with an hydraulically movable protuberance movable by control means to redirect the outer steering casing and thereby redirect the drill head section mounted on the distal end of the drill rods.

Abstract: In one aspect of the present invention, a section of a drill string has a drill bit with a body intermediate a shank and a working face, the working face having at least one cutting element. A jack element is disposed within the drill bit body and has a distal end substantially protruding from the working face. A drive shaft is in communication with the jack element and a rotary source. The drive shaft has a first portion secured within a bore of a tool string component in the tool string and a second portion secured within a bore of the drill bit. The first and second portions of the drive shaft are connected at a pin and box connection wherein the first and second portions are automatically connected as the tool string component is mechanically coupled to the drill bit.

Abstract: A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section having drill rotor and drill rod and connecting to intermediate drill rods allowing extension of the boring hole created by the drill head section driven by the drive system. The drill head includes a modular construction having a plurality of circular disc like elements, a bearing module, a steering module, a spacer module, and a mounting module, for axial alignment and abutment and mounting within a cylindrical steering shell. Directional steering of the drill head includes a plurality of substantially radially extending channels in steering module, each with an hydraulically movable protuberance movable by control means to redirect the outer steering casing and thereby redirect the drill head section mounted on the distal end of the drill rods.

Abstract: Flow tubes for earth-boring tools include hardfacing material for protecting the tubes from erosion due to the flow of fluid through a fluid passageway extending therethrough. Earth-boring tools include an erosion-resistant material covering a surface of a body of the tools for protecting the bodies from erosion due to the flow of fluid through a fluid passageway extending therethrough. Methods of forming earth-boring tools include forming a body having a fluid passageway extending therethrough and covering a surface of the body with a hardfacing material. The surface of the body may be located in a region susceptible to erosion when fluid is caused to flow through the fluid passageway.

Abstract: The present invention A relates to a female part intended for top hammer-drilling equipment and a method for manufacturing female parts. The female part has a thread in the form of a ridge (2) in a wall (5). The ridge is delimited by a crest (9) and two flanks (10) between which a likewise helical groove (11) having a bottom (12) runs. An end the of the groove (11) is defined by a borderline (18), which separates the groove bottom (12) from a part surface (19) formed in the inside of the wall (5), the width of which part surface successively decreases in the peripheral direction, and which has a rotationally symmetrical shape essentially similar to the rotationally symmetrical basic shape of the thread (1).

Abstract: Embodiments of the present invention relate to superabrasive materials, superabrasive compacts employing such superabrasive materials, and methods of fabricating such superabrasive materials and compacts. One or more embodiments of a superabrasive material include a plurality of first superabrasive regions characteristic of being formed at least partially from a plurality of agglomerates, with each first superabrasive region including a plurality of first superabrasive grains that exhibit a first average grain size, and a matrix through which the plurality of first superabrasive regions is dispersed. The matrix includes a plurality second intercrystalline-bonded superabrasive grains that exhibit a second average grain size.

Abstract: Cutting elements and bits incorporating such cutting elements are provided. The cutting elements have a substrate, a first ultra hard material layer formed over the substrate, and a second ultra hard material layer formed over the first ultra hard material layer. The second ultra hard material layer has a thickness in the range of 0.05 mm to 2 mm.

Abstract: Polycrystalline diamond constructions comprises a diamond body attached to a metallic substrate, and having an engineered metal content. The body comprises bonded together diamond crystals with a metal material disposed interstitially between the crystals. A body working surface has metal content of 2 to 8 percent that increases moving away therefrom. A transition region between the body and substrate includes metal rich and metal depleted regions having controlled metal content that provides improved thermal expansion matching/reduced residual stress. A point in the body adjacent the metal rich zone has a metal content that is at least about 3 percent by weight greater than that at a body/substrate interface. The metal depleted zone metal content increases gradually moving from the body, and has a thickness greater than 1.25 mm. Metal depleted zone metal content changes less about 4 percent per millimeter moving along the substrate.

Abstract: Embodiments of the invention relate to polycrystalline diamond compacts (“PDCs”) and methods of fabricating such PDCs. In an embodiment of a “two-step” manufactured PDC, a PDC includes a substrate and a pre-sintered polycrystalline diamond (“PCD”) table bonded to the substrate. The pre-sintered PCD table includes bonded diamond grains defining interstitial regions. At least a portion of the interstitial regions include at least one material disposed therein selected from a silicon-cobalt alloy, silicon carbide, cobalt carbide, or a mixed carbide of silicon and cobalt. The pre-sintered PCD table lacks an intermediate contaminant region therein that includes at least one type of fabrication by-product generated during the fabrication of the pre-sintered PCD table.

Abstract: A combination weigher of the present invention comprises a plurality of base groups into which a plurality of combination hoppers (4) which are circularly arranged are divided; a plurality of collecting chutes (6A to 6D) which are respectively disposed to respectively correspond to the base groups, a plurality of collecting hoppers (7A to 7D) respectively provided at the outlets of the collecting chutes; and a control means (21) wherein the control means (21) is configured to perform: a combination process to determine p discharge groups each including one or more base groups and perform combination calculation for each of the discharge groups to select combination hoppers forming optimal combination, a process to cause the combination hoppers forming optimal combinations in all discharge groups to discharge the objects to be weighed simultaneously; and a process to sequentially select the discharge groups and to cause the collecting hoppers corresponding to the base groups including the combination hoppers f

Abstract: According to some embodiments a system and an apparatus comprise a registration wall, a weighing device located adjacent to the registration wall, a belt drive mechanism, a plurality of inboard skis, and a plurality of outboard skis. The belt drive mechanism extends across the weighing device for advancing a mail piece relative to the weighing device and the belt drive mechanism is located at a first distance from the registration wall. The plurality of inboard skis are located substantially at the first distance from the registration wall and are located beneath the belt drive mechanism for urging the mail piece upwardly toward the drive belt mechanism. The plurality of outboard skis is coplanar with the plurality of inboard skis for supporting an end of the mail piece. The plurality of outboard skis is located at a second distance from the registration wall. The second distance is greater than the first distance.

Abstract: It is disclosed a balance or platform scale consisting of a main body (2) of composite material, to which a predetermined number of load cells is linked as well as adjustable supporting means (4) of the main body (2) to enable the scale to rest on the ground. A scale thus made has a very reduced weight and reduced sizes.

Abstract: Provided are a semiconductor device and a touch sensor device. The semiconductor device includes a die including a sense signal generator for sensing a touch signal to generate a sense signal; a conductive die-attach pad attached to the die to generate the touch signal; and a package for packaging the die and the die-attach pad, wherein the die-attach pad generates the touch signal depending on whether a touch object comes into contact with the package. The touch sensor device includes a plurality of semiconductor devices connected in a daisy-chain communication mode, wherein each of the semiconductor devices includes a die including a sense signal generator for sensing a touch signal to generate a sense signal; a conductive die-attach pad attached to the die to generate the touch signal; and a package for packaging the die and the die-attach pad, wherein the die-attach pad generates the touch signal depending on whether a touch object is brought into contact with the package.

Abstract: The present invention provides a hybrid touch panel, which comprises a first conductive module, a second conductive module, and a spacer layer. The first conductive module has a first conductive layer having at least a first resistive touching area, and at least a capacitive touching area. The second conductive module has a second conductive layer having at least a second resistive touching area corresponding to the first resistive touching area respectively. The spacer layer coupled to the first resistive touching area and the second resistive touching area has spacer dots disposed therebetween. The present invention further provides a method for making the hybrid touch panel, wherein the first resistive touching area and the capacitive touching area are formed on the first conductive layer simultaneously so as to integrate the resistive control and capacitive control on the same touch panel for increasing the diversity of the touching control.

Abstract: Objects of the present invention are to facilitate filling out by hand an electronic paper and to realize digitization of contents with which the electronic paper is filled out by hand with a simple structure. A read image is obtained by optically reading a reading-object of the electronic paper. Based on the document information written on the electronic paper and writing-conditions during document writing, which are represented by the document information, a display image of the document in accordance with the read image information is formed. A written image is separated and extracted by converting a density only of pixels among the respective pixels of the read image, whose densities vary in accordance with the document writing and which correspond to a portion, to which ink of a pen for the handwriting is not adhered.

Abstract: A hydraulic system for a leveling apparatus in excavator and forestry equipment is provided, whereby an upper frame of the equipment is kept in a horizontal state even if a lower frame of the equipment is on an inclined ground against a horizontal surface H. The hydraulic system a pair of first and second actuators and a pair of third and fourth actuators for rocking the lower part of the upper frame, first leveling control valves for simultaneously controlling extension and contraction of the first and second actuators, second leveling control valves for simultaneously controlling extension and contraction of the third and fourth actuators a reducing valve for discharging a reducing pilot signal pressure, and flow control valves for discharging the pilot signal pressure for the spool shifting of the first and second leveling control valves when a control signal is applied from a preset leveling controller.

Abstract: This invention allows for the even distribution of mulch with minimal human effort. Mulch distribution is common with today's homeowner and business owner and will provide a certain aesthetic appeal to the vegetation of a flower bed or the curb appeal of a building. The primary difficulty with mulch distribution is getting the mulch to the site. This device will consist of a dolly, which will enable the user to load a desired quantity of mulch from a central loading site and then transport the mulch easily to the desired area and allow the individual to distribute the mulch evenly. This device can be filled remotely with a mulch truck so that the individual homeowner or business owner does not have to physically lift great amounts of mulch over long periods of time in order to put them on flower beds or around other areas of vegetation.

Abstract: There is provided a hybrid vehicle capable of attaining excellent acceleration response and reducing pumping loss. When an engine combustion stop demand is issued, the engine is associatively rotated by carrying out a fuel cut-off operation and controlling the speed of a generator to control the engine in such a way that the speed of the engine becomes a predetermined speed NE1. During the associative rotation, intake and exhaust valves are held at their fully closed positions.

Abstract: An apparatus for reducing parasitic losses in a hybrid electric powertrain of a vehicle includes a drivetrain, an electric motor, and a connecting mechanism operative to selectively engage and disengage the drivetrain and the electric motor.

Abstract: A control apparatus for a power transmission apparatus for a vehicle controls the rotational speed of an output shaft of an electric differential portion to a predetermined rotational speed until at least one of a control that starts a main power source and a control that stops the main power source ends, if at least one of a shift position and a shift range is changed from a parking position to a neutral position while the at least one of the control that starts the main power source and the control that stops the main power source is being executed.

Abstract: An Electric Vehicle is equipped with a plurality of Electric Motors, with at least one motor optimized for operation in one vehicle speed range and at least another motor optimized for operation in a different vehicle speed range. Under acceleration, at any instance in time a majority proportion of power is directed to the motor that is best optimized for the current vehicle speed. Under deceleration, at any instance in time a majority proportion of regenerative braking is drawn from the motor that is best optimized for the current vehicle speed. Motors may be mechanically coupled to the same driven axle or to different driven axles.

Abstract: The present invention provides an outlet duct for discharging air to the outside during air cooling in a battery system for a hybrid electric vehicle. The outlet duct of a battery system for a hybrid electric vehicle in accordance with the present invention has a new structure in which the outlet duct, through which air is discharged after air-cooling of the battery system (or high voltage parts), does not extend to an extractor grill; instead, an inlet hole is formed at a front end of a rear filler assembly and an outlet hole is formed at a rear end thereof. With the structure, cooling performance can be improved. Moreover, it is possible to prevent water or dust from being introduced from the bottom of the vehicle due to the shape of the side member. Furthermore, it is possible to simplify the shape of the outlet duct, thereby improving productivity. In addition, it is possible to reduce the pressure resistance against the air flow in advance, thereby improving cooling performance.

Abstract: The invention relates to an attachment device of a combined module consisting of an accumulator and internal heat exchanger for use in mobile air conditioning systems with the CO2 coolant R744 on the body of a motor vehicle. The combined module is indirectly connected with mounts which are rigidly secured to the body using oscillation-damping decoupling elements.

Abstract: A structure for mounting a radiator to a front-end module carrier includes an insulator, a bracket body, at least one guide rib on the front-end module carrier, and a screw-fastening boss on the front-end module carrier. The bracket body defines a space for the insulator to be disposed therein. The bracket body also includes at least one guide portion, and a flange defining a fastening hole for a screw to be inserted therein. The screw is also inserted to the screw-fastening boss. The guide rib guides the guide portion during insertion of the bracket body to the front-end module carrier. The guide portion may define a vertical wall with a first, narrow end and a second, relatively wider end. The front-end module carrier may also have a boss rib connected to the screw-fastening boss.

Abstract: A beam member is fixed to a side member of a vehicle body. The side member is provided with a nut member and a reinforcing member. A bolt is inserted into the nut member from under the side member. The reinforcing member includes first and second plate portions. The first plate portion includes a pair of flanges that are bent individually at bent portions. The respective positions of the bent portions are adjusted depending on a distance between sidewalls of the side member. The flanges are welded to the sidewalls. The second plate portion includes a base portion welded to the lower end of the nut member and an upright portion extending along the nut member.

Abstract: A snowmobile includes steering handlebars, a pair of left and right skis, and a power transmission mechanism arranged to couple the steering handlebars and the skis. The power transmission mechanism includes a first rotary shaft extending directly downward or obliquely downward from the steering handlebars for rotation along with the steering handlebars; a first link mechanism coupled to the first rotary shaft; a second rotary shaft coupled to the first link mechanism and arranged to rotate along with the rotation of the first rotary shaft via the first link mechanism, the second rotary shaft being disposed on a different axis from that of the first rotary shaft; a second link mechanism disposed between the second rotary shaft and the skis; and a power steering device mounted to the second link mechanism as a part thereof and having an actuator to be driven based on the rotation of the second rotary shaft.