Abstract: Provided is a massager which enables armrests to be used effectively even with a backrest in a reclined state. The massager includes: a backrest having a massaging mechanism for massaging the back of a user; a frame which supports the backrest in such a manner that the backrest can be reclined backwards; a pair of armrests which extend forward respectively from left and right side positions of the backrest; and a linking mechanism which changes an attitude of the pair of armrests in conjunction with a reclining operation of the backrest, in such a manner that a rear part of each armrest falls lower than the front part of each armrest, when the backrest is reclined backward.

Abstract: Disclosed are a thermal fluidity modifier for a powder coating material, which contains a polymer containing t-butyl(meth)acrylate units and having a glass transition temperature (Tg) of 20 to 120° C. as calculated by the following equation (1): 1/Tg=?(wi/Tgi)??(1), wherein wi represents a mass fraction of monomer i which constitutes the polymer and Tgi represents a glass transition temperature of a homopolymer of the monomer i; and a powder coating material containing the thermal fluidity modifier.

Abstract: An optical receiving circuit receives and demodulates an optical signal subjected to phase modulation and wavelength division multiplexing. The optical receiving circuit includes an interfering unit that causes a reference signal to interfere with the optical signal to output resulting signals as positive-phase signals and negative-phase signals; and a wavelength separator having input ports receiving the positive-phase signals and the negative-phase signals, the positive-phase and negative-phase signals being adjacent to each other. The wavelength separator separates according to wavelength, the positive-phase signals and the negative-phase signals, and from output ports, outputs for each wavelength, a separated positive-phase signal and negative-phase signal in a state of being adjacent to each other.

Abstract: Disclosed are a reactive hot melt adhesive composition having no problem in the initial adhesive strength, the adhesive strength obtained after moisture curing, stringiness and the like, and a method for producing the same. In the method, 1 to 50 parts by mass of a polymer (A), which is obtained by polymerization of a monomer composition including a vinyl monomer having a carboxyl group and a vinyl monomer having an epoxy group and has the equivalent ratio of the carboxyl group to the epoxy group in the range of 1/100 to 100/1, is mixed with 99 to 50 parts by mass in total of a polyisocyanate (B) and a polyol (C) so that the amount of the isocyanate group can become 1.1 to 10 moles relative to 1 mole of the hydroxyl group of the polyol (C), the sum of the components (A) to (C) being 100 parts by mass, and the resulting mixture is heated and mixed.

Abstract: A demodulator and method are provided. The demodulator for demodulating an optical signal, includes a splitter that splits a differential phase modulation signal into a first split light component and a second split light component, couples the first split light component to a first optical path and the second split light component to a second optical path, a first medium disposed on the first optical path, a second medium disposed on the second optical path and having a refractive index different from that of the first medium, and a combiner that combines the first split light component that has passed through the first medium and the second split light component that has passed through the second medium, wherein one of the first split light component and the second split light component is delayed in relation to the other.

Abstract: A light reception device includes: an interferometer that outputs a signal obtained by making an optical phase modulated signal interfere with a reference signal after shifting an optical phase of the optical phase modulated signal by a given amount; a light reception element that receives an output signal from the interferometer and converts the output signal into a light reception current; and a phase controller that controls a control amount in controlling the given amount so that a value of a function, which is calculated based on an amount relating to the light reception current and a change amount of an amount relating to the light reception current against the control amount, becomes an extreme value or 0.

Abstract: A first wiring board, which is a flexible printed-circuit board, is bonded to a second wiring board. A plurality of protruding member are formed on the surface of the second wiring board. An adhesive is deposited on the surface of the second wiring board such that there is a thinner layer of the adhesive on the protruding member than in other areas. Subsequently, the first wiring board is placed on the second wiring board so that a portion of the first wiring board to be used for the wire-bonding is positioned above at least one of the protruding members. The first wiring board gets bonded to the second wiring board due to the adhesive.

Abstract: An ignition device attachment structure for an internal combustion engine includes an ignition plug tube inserted between a cylinder head cover and an ignition device insertion hole formed in a cylinder head of the internal combustion engine. The ignition plug tube bulges from an upper end of the ignition plug tube to an intermediate portion of the ignition plug tube on a lateral surface of the ignition plug tube.

Abstract: A lubricating oil feeding structure that permits an adequate amount of lubricating oil to be fed to those parts around the transmission while avoiding an excess supply of lubricating oil to the lubricating oil passage in the shaft of the transmission. The transmission has a space (as a recess to hold the shaft therein) in which is arranged the oil guide part. The oil guide part has the bottomed cylinder, with its one end opened, the flange that flares outward at the open end of the bottomed cylinder, and the oil holes that communicate between the inside and the outside of the bottomed cylinder. The oil guide part is arranged in the space in such a way that the flange comes into contact with the outer race of the bearing.

Abstract: A chain tensioner includes a base frame secured to each of front and rear banks, a slider plate shiftable in the extending direction of the base frame, and a tensioner provided to straddle between the base frame and the slider plate. The slider plate is biased to elastically deform and arcuately bend the tensioner, which applies a tensile force to each of cam chains transmitting the rotation of a crankshaft. In the chain tensioner, upper securing portions are provided in an upper portion of the base frame so as to be secured to each of the front and rear banks in the bending direction of the tensioner. A lower end of the base frame extends to a position facing the inside of the crankcase to provide a lower securing portion which is secured to each of the front and rear banks perpendicularly to the bending direction of the tensioner.

Abstract: A multi-cylinder internal combustion engine includes a one-side crank chamber and an other-side crank chamber formed by partitioning a lower crankcase by a plurality of lower support walls which are provided integrally with the lower crankcase and support a crankshaft. A plurality of oil outflow holes respectively communicate with the one-side crank chamber and the other-side crank chamber through which oil is discharged from the one-side crank chamber and the other-side crank chamber. An oil discharge port is provided along a lower support wall of the one-side crank chamber and the other-side crank chamber. A suction port of a scavenging pump for discharging the oil present in the one-side crank chamber and the other-side crank chamber is provided in an outer wall in the manner of straddling the lower support wall.

Abstract: An electric motor is cooled by an air flow without restricting the degree of freedom in the arrangement of an oil cooler and an oil filter by utilizing a front face of a front portion of an engine body to arrange the electric motor. The engine includes an oil cooler, an oil filter, and an starter motor for driving a crankshaft to rotate. The oil cooler and the starter motor are disposed on a front face, which is directed in an advancing direction of the vehicle, of a front portion of a lower block which forms an engine body. The oil filter is attached to an attachment seat provided on a side face of the front portion which is directed in the sideward direction. A communication oil path for communicating the oil cooler and the oil filter with each other is provided in the inside of the front portion.

Abstract: Electrical connection is established by bringing solder bumps formed as electrical connecting terminals of an electronic part and spiral contactors formed as electrical contactors of a circuit substrate into contact with each other. The solder bumps are formed such that heights thereof relative to a surface on which the solder bumps are formed are different from each other.

Abstract: Disclosed are a thermal fluidity modifier for a powder coating material, which contains a polymer containing t-butyl (meth)acrylate units and having a glass transition temperature (Tg) of 20 to 120° C. as calculated by the following equation (1): 1/Tg=?(wi/Tgi)??(1), wherein wi represents a mass fraction of monomer i which constitutes the polymer and Tgi represents a glass transition temperature of a homopolymer of the monomer i; and a powder coating material containing the thermal fluidity modifier.

Abstract: The present invention is a wavelength superimposing device that can restrain a system scale and further reduce an optical transmission loss, while broadcasting a video signal light in a WDM network system, a manufacturing method therefor, and the WDM network system, and comprises a filter device that reflects some light of an input wavelength-multiplexed light in a direction different from an optical path direction of the input wavelength-multiplexed light and transmits a light of remaining wavelengths, a first optical system in which a reflected light reflected by the filter device is re-incident on a plurality of incident positions on a reflecting surface of the filter device, and a second optical system in which a transmitted light from the filter device is spectrally separated for each wavelength and each separated light is incident on the plurality of incident positions from a transmission surface of the filter device.

Abstract: Disclosed are a reactive hot melt adhesive composition having no problem in the initial adhesive strength, the adhesive strength obtained after moisture curing, stringiness and the like, and a method for producing the same. In the method, 1 to 50 parts by mass of a polymer (A), which is obtained by polymerization of a monomer composition including a vinyl monomer having a carboxyl group and a vinyl monomer having an epoxy group and has the equivalent ratio of the carboxyl group to the epoxy group in the range of 1/100 to 100/1, is mixed with 99 to 50 parts by mass in total of a polyisocyanate (B) and a polyol (C) so that the amount of the isocyanate group can become 1.1 to 10 moles relative to 1 mole of the hydroxyl group of the polyol (C), the sum of the components (A) to (C) being 100 parts by mass, and the resulting mixture is heated and mixed.

Abstract: A vehicle internal combustion engine wherein the vertical length of a crankcase is made short in addition to making short the anteroposterior length of the crankcase. A vehicle internal combustion engine is configured such that a crankshaft, a main shaft, a counter shaft and an output shaft are arranged in parallel in a crankcase with the main shaft being disposed to the rear of the crankshaft and the counter shaft is disposed to the rear of the main shaft. The output shaft is disposed below and forward of the counter shaft.

Abstract: A chair-type massage machine includes a seat on which a user sits; a leg rest whose one end portion is pivotally connected with a front portion of the seat for pivotal movement up and down, the leg rest supporting calves of the user; a driving unit for pivotally moving the leg rest with respect to the seat; a footrest pivotally connected with the other end portion of the leg rest for pivotal movement up and down, the footrest supporting feet of the user; and a massage means provided to at least one of the leg rest and the footrest. Also, a stopper unit is provided for restricting a pivotal movement range of the footrest with respect to the leg rest, and a biasing unit is disposed for applying a biasing force to the footrest in either an upward or downward a direction of the pivotal movement.

Abstract: A chair type massage machine that enables a massager to effectively perform massages, ensures safety, reduces costs, and allows for easy attachment and removal of a cushion to and from a backrest. The massage machine includes a massage unit (5) that may be raised and lowered in a backrest (2). The massage unit (5) includes a massager (7) projecting toward the front from the backrest (2). A cushion (4) is formed to be generally U-shaped and arranged on a front surface of the backrest (2). The cushion (4) includes an opening (8) in which is arranged the massager (7), which is lowered and raised with the massage unit (5). The massager (7) is movable in the opening (8) of the cushion (4). A fastening means fastens the cushion (4) to the front surface of the backrest (2). The fastening includes hook-and-loop fasteners (10, 11) that are separated by application of downward external force of a certain amount or more to a lower rim of the opening (8) in the cushion (4).

Abstract: A demodulator includes: a splitter that branches a differential phase shift keying optical signal into a first branched optical signal passing through a first optical path and a second branched optical signal passing through a second optical path; a multiplexer that multiplexes the first branched optical signal having passed through the first optical path and the second branched optical signal having passed through the second optical path and makes interference between the first branched optical signal and the second branched optical signal; and a double refraction medium that reduces difference between phase differences between each polarized wave between the first branched optical signal and the second branched optical signal multiplexed by the multiplexer.