Abstract: A battery attachment/detachment structure for a saddle-ride type electric vehicle includes substantially rectangular parallelepiped batteries for supplying electric power to an electric motorcycle, a battery case in which the batteries are housed, a battery-side terminal provided on the bottom surface of each battery, and a case-side terminal engaged with the battery-side terminal. An operation lever for connecting or separating the battery-side terminal and the case-side terminal to/from each other by being operated in the up-and-down direction of a vehicle body, and a locking member for holding the operation lever at a position where the battery-side terminal and the case-side terminal are connected to each other are provided. The locking member regulates the movement of the operation lever towards the upper side of the vehicle body by engaging with the operation lever.

Abstract: A saddled electric-powered vehicle is configured by including approximately rectangular parallelepiped batteries, a battery case in which the batteries are housed, battery-side terminals provided on bottom surfaces of the batteries, and case-side terminals engaged with the battery-side terminals. The battery case is arranged below a seat, and pressing holders that press the batteries housed in the battery case from above are provided while making a front and rear pair for each battery. The battery case is formed in a bottomed box shape with an upper side open. Each pressing holder is provided with a rubber portion brought into contact with an upper surface of each battery. The saddled electric-powered vehicle can enhance convenience by optimizing an arrangement and a housing structure of portable batteries.

Abstract: A straddle-type electric vehicle includes two approximately rectangular parallelepiped batteries, a battery case in which the batteries are housed, battery-side terminals provided on bottom surfaces of the batteries, and case-side terminals engaged with the battery-side terminals. The two batteries are arranged next to each other in a vehicle width direction. An operation lever for connecting or separating the battery-side terminals and the case-side terminals to/from each other is provided. The operation lever is arranged in a middle in the vehicle width direction between the two batteries, and the battery-side terminals and the case-side terminals are arranged nearer outer sides in the vehicle width direction. A pair of front and rear link mechanisms for coupling the operation lever and the case-side terminals to each other is provided in front of and behind the battery case.

Abstract: Provided is a silica glass member for hermetic sealing of an ultraviolet SMD LED element to be suitably used for hermetic sealing of, and as a transmission window material for, a surface mount-type package (SMD) having an ultraviolet LED mounted thereon and configured to emit ultraviolet light in a wavelength range of from 200 nm to 350 nm.

Abstract: In a rotating tool with a coolant hole, a coolant hole extending to a front side in the direction of an axis opening to a tip flank face of a drill main body that is rotated around the axis. In a cross section orthogonal to the axis, the coolant hole is provided with a first concavely curved portion located on an inner peripheral side of the drill main body and formed in a concavely curved shape recessed to the inner peripheral side, a second concavely curved portion located on an outer peripheral side of the drill main body and formed in a concavely curved shape recessed to the outer peripheral side with a larger curvature radius than the first concavely curved portion, two third concavely curved portions having a center of a curvature radius located inside the coolant hole with a smaller curvature radius than the second concavely curved portion.

Abstract: A battery attachment/detachment structure for a saddle-ride type electric vehicle includes substantially rectangular parallelepiped batteries for supplying electric power to an electric motorcycle, a battery case in which the batteries are housed, a battery-side terminal provided on the bottom surface of each battery, and a case-side terminal engaged with the battery-side terminal. An operation lever for connecting or separating the battery-side terminal and the case-side terminal to/from each other by being operated in the up-and-down direction of a vehicle body, and a locking member for holding the operation lever at a position where the battery-side terminal and the case-side terminal are connected to each other are provided. The locking member regulates the movement of the operation lever towards the upper side of the vehicle body by engaging with the operation lever.

Abstract: A driving device includes an electric motor, a drive gear, a deceleration mechanism, a driven gear, and a housing. At least either one of the drive gear and the driven gear is provided as a helical gear. The deceleration mechanism includes a plurality of reduction gear shafts, a plurality of bearings, and a biasing member provided for at least any one of the bearings. The biasing member axially biases an outer ring of the at least any one of the bearings that supports at least either one of end parts of the shaft portion of a corresponding one of the reduction gear shafts, the end parts including an end part on the large-diameter gear wheel side and an end part on the small-diameter gear wheel side.

Abstract: A battery attaching/detaching structure for a saddle-type vehicle including: a plurality of substantially rectangular parallelepiped batteries for supplying electric power to a power source of the saddle-type vehicle; a battery case in which the batteries are stored; battery-side terminals provided on lower surfaces of the batteries; and case-side terminals engaged with the battery-side terminals, comprises terminal holders that support the case-side terminals such that the case-side terminals are movable between a connected position where the case-side terminals are connected to the battery-side terminals and a retracted position where the case-side terminals are separated from the battery-side terminals. Between the case-side terminals and the terminal holders, springs for urging the case-side terminals in a direction of pressing the battery-side terminals are disposed.

Abstract: To provide a decorative sheet including a transparent resin layer having high transparency and excellent surface scratch resistance from the viewpoint of the design properties and a transparent resin sheet. A decorative sheet (1) according to one aspect of the present invention has a transparent resin layer (4) containing a crystalline polypropylene resin as the main component, in which a value of a peak area ratio x represented by the following expression (1) of the transparent resin layer (4) is x?0.4. Herein, S040, S130, and Sam in the following expression (1) are peak areas determined from an X-ray diffraction spectrum obtained by measuring the transparent resin layer with an X-ray diffractometer, S040 is the peak area from the Miller index (040) of polypropylene ? crystals, S130 is the peak area from the Miller index (130) of the polypropylene ? crystals, and Sam is the peak area of an amorphous material.

Abstract: To provide a method for quantitatively and stably feeding fine powder and a system for carrying out the method. The present invention is characterized in that a gas transfer type fine powder quantitative feeding method for quantitatively transferring and feeding fine powder filled in a gas transfer type fine powder quantitative feeder to a fine powder using device by a carrier gas, wherein when a mixed fluid of the fine powder and the carrier gas is transferred from the gas transfer type fine powder quantitative feeder to the fine powder using device, a water content in the carrier gas is adjusted to suppress an amount of static electricity that is generated in the mixed fluid.

Abstract: A flexible flywheel includes: a shaft fastening portion fixed to an end portion of an engine crankshaft; an annular inertia ring provided around the shaft fastening portion; a plurality of elastic spoke portions which extend in the radial direction between the shaft fastening portion and the inertia ring and connect the shaft fastening part and the inertia ring to each other, and that absorb vibration acting on the crankshaft by undergoing deflection; and weight portions provided between adjacent ones of the elastic spoke portions. The fastening portion, inertial ring, elastic spoke portions, and weight portions are formed integrally by casting or forging.

Abstract: An inductance element includes a magnetic core and a coil having a portion embedded in the magnetic core. This portion includes a wound portion formed by winging a wire-shaped coil material including a wire-shaped conductive material and an insulating coating. The insulating coating includes a thin-walled portion reduced in thickness. A biting ratio R is defined by formula: R=ds/B, which is from 0.4 to 0.85 inclusive, where B is the average thickness of inter-coil insulating coatings, and ds is an upper biting limit obtained by measuring a biting depth, approximating a frequency distribution of the results by a normal distribution, and computing, as the upper biting limit, the sum of the mean da of the normal distribution and the product of 3.99 and the standard deviation ?. The biting depth is obtained by subtracting, from the average thickness B, the thickness of the thin-walled portion.

Abstract: The present invention provides a decorative sheet having higher designability and weatherability over a long period of time by adding an organic ultraviolet absorbent and an inorganic ultraviolet absorbent each provided as organic ultraviolet absorbent vesicles and inorganic ultraviolet absorbent vesicles, respectively, to at least one of a top coat layer and a transparent resin layer. A decorative sheet of an aspect of the present invention includes a top coat layer as an outermost layer, and a transparent resin layer as an underlayer of the top coat layer, wherein an organic ultraviolet absorbent and an inorganic ultraviolet absorbent are added to at least one of the top coat layer and the transparent resin layer, and the organic ultraviolet absorbent and the inorganic ultraviolet absorbent are each encapsulated in vesicles having a monolayer outer membrane and provided as organic ultraviolet absorbent vesicles and inorganic ultraviolet absorbent vesicles, respectively.

Abstract: A connector includes: a housing of a resin material; a buffer member of a material having a higher flexibility than the resin material of the housing and being embedded in the housing; and a metal conductor having a bent portion and being held in the housing so as for the bent portion being covered by the buffer member.

Abstract: Provided is a silica glass member for hermetic sealing of an ultraviolet SMD LED element to be suitably used for hermetic sealing of, and as a transmission window material for, a surface mount-type package (SMD) having an ultraviolet LED mounted thereon and configured to emit ultraviolet light in a wavelength range of from 200 nm to 350 nm.

Abstract: A cylinder liner that is casted in a block and defines a cylinder bore for one cylinder includes: a cylindrical liner body; a projection part including a plurality of projections on an outer peripheral surface of a part of the liner body; and a bore adjacent part inclined at a predetermined angle to an axial direction of the body and extending in the inclination direction, at a predetermined part between an upper side end and a lower side end of the body, of the outer peripheral surface of the body, which faces another cylinder bore to be adjacent when casted in the block. The outer peripheral surface of the bore adjacent part is positioned more on an inner side of the body than the outer peripheral surface above and below, and is formed such that the projections are absent on at least a part of the outer peripheral surface.

Abstract: Provided is a spectroscopic analysis apparatus including: an optical probe; and a spectroscopic analysis portion to which the optical probe is attached. The optical probe includes an optical fiber that guides illumination light coming from a light source and signal light coming from an observation target and an optical member that is disposed at least at a distal end of the optical fiber. The spectroscopic analysis portion includes an information separation portion that generates wavelength dependent characteristics by optically dispersing the signal light and that separates, from information about the signal light, information about first return light returning from the optical member and information about second return light returning from the optical fiber, a problem determining portion that determines a problem occurring at the optical probe based on the separated first return light and second return light, and a notification portion that notifies information about the determined problem.

Abstract: A quartz glass plate has a quartz glass plate body and a quartz glass member adhered to the quartz glass plate body through an adhesive layer, where the adhesive layer contains silica, and a sum of concentrations of Li, Na, and K ions, being alkali metal ions and Ca ions, being alkaline earth metal ions contained in the adhesive layer is 10 ppm by mass or less. Consequently, a step with a uniform thickness can be formed, and a quartz glass plate is not easily damaged by irradiation with a light containing an ultraviolet ray.

Abstract: A decorated sheet according to the present disclosure consists of a plurality of resin layers, wherein at least one of the resin layers comprises a nano-sized additive.

Abstract: A method for producing a metal cylinder includes preparing a metal slug having a surface adjusted so that the crystal grain diameter at a depth of 10 ?m from the surface is smaller than that at a depth of 100 ?m from the surface, and the crystal grain diameter at a depth of 10 ?m from the surface is 30 ?m or more and 120 ?m or less; and forming a cylinder by impact pressing of the metal slug having the surface as a bottom.