PROBLEM TO BE SOLVED: To rotatably support a rotating shaft so as not to be axially deviated, and reduce the number of parts so as to make a device compact. SOLUTION: A gear device 10 comprises an output shaft 20 connected to a power source, a rotating shaft 30 with a gear 32 attached thereto which meshes with a gear 22 attached to the output shaft 20 to form a helical gear, a thrust bearing 40 at...

PROBLEM TO BE SOLVED: To provide a differential case for a differential limiting device easy in working, excellent in its workability and capable of ensuring a dimensional accuracy. SOLUTION: A differential case comprises a tubular case main body 5 and right and left differential caps 6 and 7 with which both end openings of the cage main body are respectively covered. A differential limiting devic...

PROBLEM TO BE SOLVED: To reduce a thickness of a reduction gear part by supporting an inner peripheral face of an output shaft rotatably through a fixed shaft whose one end is fixed to a central part of a cover with profile formed into a circular shape. SOLUTION: A cylindrical part 2a is integrally provided in a cover 2 made is stainless steel and formed into a circular shape. Moreover, a recessed...

PROBLEM TO BE SOLVED: To achieve economical operation by dividing a daytime zone into a plurality of time zones and executing predominantly solar heat collection operation, and when hot water storage conditions for the solar heat collection are not satisfied and a remaining amount of hot water in a hot water storage tank is less than a minimum hot water amount, executing daytime additional heating...

PROBLEM TO BE SOLVED: To provide excellent reliability at high temperature applicable to a coal-firing high temperature furnace. SOLUTION: A heat transfer tube 21 has inside and outside cylinders 23, 22 disposed concentrically, and an intermediate cylinder 24 concentrically inserted between the cylinders 23 and 22. Inside and outside circulating channels 33, 32 for feeding fluid to be heated are f...

PROBLEM TO BE SOLVED: To provide a lead-acid battery with a long service life which is capable of accelerating to stir the electrolyte by gas at the time of charging and restraining the stratification by extending at least one of grooves on the surface of an electrode plate in the longitudinal direction of the battery, and extending other grooves in an arc shape to an upper part of the battery whi...

PROBLEM TO BE SOLVED: To provide the subject electrode which improves the service life of a lead-acid battery and ensures a high capacity by specifying the diameter of a narrow hole corresponding to a specified ratio of the whole narrow hole volume of positive electrode active material. SOLUTION: The hole diamer of 15-35% of the whole narrow hole volume of a positive electrode active material in a...

PROBLEM TO BE SOLVED: To improve the cycle service life without damaging the charging efficiency by forming a surface layer of Pb3 O4 and forming a core layer of metal Pb. SOLUTION: A raw material of an active material is formed by using lead powder subject to a ball mill and with the degree of oxidation 20-40%, and baking the powder for 4 hours at a temperature of 200-300 deg.C (lower than the me...

PROBLEM TO BE SOLVED: To improve a cycle service life by using a lead-antimon alloy containing a specified amount of antimon as the material of a positive electrode lattice, and covering all small bars of the lattice with an active material inside a specified size in the surface of electrode plate. SOLUTION: In a sealed lead-acid battery to enable a negative electrode to absorb oxygen gas generati...

The invention discloses a mobile X-ray device comprising a frame (1) with wheels (2, 3), an X-ray generator and a container (7) for a plurality of cassettes each containing a film printable by X-ray and to be developed in a processing chamber. The cassette container (7) is detachable from the mobile X-ray device for transporting the said cassettes to the processing chamber, the container (7) compr...

PROBLEM TO BE SOLVED: To provide a nonglare sheet having high transmitted image resolution, having little external incident light, and excellent in visibility by forming a nonglare layer made of the hardened film of an energy line hardening resin composition on a transparent film, and applying the specific transmitted image resolution. SOLUTION: This nonglare sheet is provided with the layer of th...

PROBLEM TO BE SOLVED: To provide a bonded compensation polarizing plate capable of preventing the easy inclusion of an error in an inspection result even in the case of using a separator of double refraction type and implementing an inspection work with an adhesive layer protected with the separator, and further capable of efficiently performing the inspection work of high reliability. SOLUTION: T...

PROBLEM TO BE SOLVED: To provide an optical fiber winding bobbin capable of eliminating winding tension and lateral pressure at the time of winding an optical fiber around the bobbin, and an optical fiber winding method using the bobbin. SOLUTION: This winding bobbin 1 is formed out of a cylindrical takeup drum 2, disc type fixed collars 3A and 3B extended from both sides of the drum 2 and formed ...

PROBLEM TO BE SOLVED: To eliminate the generation of a phase difference and to suppress variation in chromaticity due to variation in cut wavelength with an angle of incidence by making use of the decomposition and composition of light in high-precision plane by a polarization beam splitter. SOLUTION: The P-polarized light transmitted through a 2nd polarization beam splitter 4 is modulated by &lam...

PROBLEM TO BE SOLVED: To make possible driving all light valves in the same direction without the necessity that only a sheet of light valve among three sheets of light valves is left/right inversion driven for other light valves. SOLUTION: P polarization light (signal light) to be color synthesized by a cross dichroic prism 9 among modulated light of G light emitted from the light valve 8G does n...

PROBLEM TO BE SOLVED: To obtain a simple and inexpensive color liquid crystal display device which is suitable for portable equipment by holding the product of the birefringent index of liquid crystal and the thickness of a liquid crystal layer within a specific range and setting the orienting direction of the liquid crystal, the axis of polarization of a polarizing plate, the drawing axis of a ph...

PROBLEM TO BE SOLVED: To provide a liquid crystal element capable of obtaining a wide visual field angle characteristic without using a phase film. SOLUTION: The phase compensation of a transmitted light is made to be performed, by applying a uniaxial orientation processing to at least one side of oriented films 7, 8 to be respectively formed one pair of wiring substrates 1A, 1B holding liquid cry...

PROBLEM TO BE SOLVED: To obtain the element, which has superior display visibility in an environment of deficit external light, without deterioration in display performance by arranging a polarizing plate, a specific liquid crystal operation layer, a cholesteric polarizing element, and a back light in this order. SOLUTION: The liquid crystal operation layer 11 has nearly &lambda /4 retardation and...

PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display device capable of displaying a high difinition color picture in which color mixture is hardy present with sufficient brightness even though the device is the reflection type display device displaying the picture by utilizing outer lights as the liquid crystal display device provided with color filters. SOLUTION: In the refle...