PROBLEM TO BE SOLVED: To provide a power transmission device to receive the thrust load of a worm shaft by the reduced number of parts, prevent the occurrence of a back lash, and reduce assembly and the number of machining processes. SOLUTION: Bearings 5 and 6 to hold the worm shaft 4 of a power transmission device to a gear case 1 are arranged in a state to make contact with step parts 4C and 4D ...

PROBLEM TO BE SOLVED: To reduce the generation of a thrust force exerted on a specified through bearing, decrease the number of seal rings, and compact an automatic transmission and improve machine efficiency. SOLUTION: When a transmission is in a forward speed, a thrust force to a rear generated by a gear set is supported by a thrust bearing 25 through an input shaft 2. Further, high pressure hyd...

PROBLEM TO BE SOLVED: To provide manufacture of an aluminum differential case casting having excellent productivity and a casting mold used therein. SOLUTION: This casting mold comprises a pair of opening and closing main molds 26 made of a metal mounted on a casting device to effect squeeze cast, with at least one of which is movably; a pair of telescopic pins 29a and 29b made of a metal disposed...

PROBLEM TO BE SOLVED: To compact and reduce the weight and a cost of an automatic transmission through reduction of the number of parts and the number of processes and to improve reliability of operation and durability of a one-way clutch. SOLUTION: A step part 25 is formed between first and second grooves 23 and 24 on the inner peripheral side of a case 15. The outer lace 22 of a second one-way c...

PROBLEM TO BE SOLVED: To prevent damage of a bearing due to a foreign matter, such as wear powder and to perform stable operation of a rotary shaft or a reduction mechanism for a long period. SOLUTION: By setting the outside diameter D of a nut member 46 larger than the diameter (d) of an outer ring 16B, the upper side of the upper bearing 16 is covered with a nut member 46 and a taper surface 47 ...

PROBLEM TO BE SOLVED: To provide a bearing structure sufficiently applying water proofing to a bearing for a shaft in a bearing box. SOLUTION: In this device, adjacent to a bearing box 10 of a shaft 9, lip seals 40a, 40b formed by two steps are provided, between the lip seals 40a, 40b, air is circulated. Even when water is infiltrated between the lip seals 40a, 40b of two steps, this water passes ...

PROBLEM TO BE SOLVED: To execute an alarm and automatic deceleration in an appropriate timing and to prevent a driver from having a feeling that something is wrong regardless of a road shape in front. SOLUTION: A pass estimated speed VN that decides whether a node of a road in front of a self vehicle position is passed through or not is calculated on the assumption that a vehicle which exists at t...

PROBLEM TO BE SOLVED: To increase the discharge capacity of a battery, lengthen cycle life, and lengthen trickle charge life by forming a lead layer extending along the longitudinal direction of glass fibers of the surface of the glass fibers to constitute a portion of a reinforcing material. SOLUTION: A lead layer 2 extending along the longitudinal direction of a plurality of glass fibers 1 which...

PROBLEM TO BE SOLVED: To keep the electrolyte reducing performance of a lead-acid battery using a grid containing no antimony and improve cycle life performance by arranging an active material so that the concentration of antimony in the active material is made higher in the vicinity of the grid than the vicinity of the surface of an electrode. SOLUTION: An active martial 2 containing antimony is ...

PROBLEM TO BE SOLVED: To provide a lead-acid battery structured such that corrosion progress in a shelf part of a negative electrode plate or in a grid ear of the negative electrode plate of a hybrid battery is suppressed and, along with this, that elongation owing to corrosion of a positive electrode plate is prevented. SOLUTION: Formation of an intermetallic compound of Sb and Ca is prevented by...

PROBLEM TO BE SOLVED: To facilitate handling of a pipeline crusher using a hydraulic cylinder, and simplify a structure thereof. SOLUTION: In this crusher, to a tip end of a piston rod 2, a wedge member 4 is fixed, also opposed thereto, in an end part of a hydraulic cylinder 1, a wedge part 13 of reverse taper is provided, these wedge member 4 and wedge part 13 are gripped between a pair of spread...

PROBLEM TO BE SOLVED: To connect two parts, quickly and surely without using a tool and obtain good workability even in a small work space. SOLUTION: In a connector, two parts 1, 2 are pipe connected to each other. The connector has a pipe member 3 mounted in one part 2 further with insertion possible to a connection port 1a of the other part 2 and a retainer 4 provided in the pipe member 3 to be ...

PROBLEM TO BE SOLVED: To positively provide transmissive light and reflected light with fresh color tone by containing at least several types of powder with interference colors. SOLUTION: A semi-transmissive reflecting plate 42 contains titanium dioxide coated micas 14a, 14b. Micas 10a, 10b are formed in scale shape, which is coated with titanium dioxide 12a, 12b in a thin layer. For transmissive ...

PROBLEM TO BE SOLVED: To provide a reflecting plate by which reflected light of fresh tone is stably obtained, by containing at least several types of powder with interfer ence colors. SOLUTION: A reflecting plate 28 contains titanium dioxide coated micas 14a, 14b in a substrate 17. Micas 10a, 10b are formed in scale shape, which is coated with titanium dioxide 12a, 12b in a thin layer. For these ...

PROBLEM TO BE SOLVED: To provide a base material with a low phase difference and small dependability on an angle of visibility by specifying a beam transimissivity, a thickness, a phase difference, the dispersion of an optical axis and a phase difference when measured at an inclination to a direction perpendicular to the optical axis. SOLUTION: This optical film has a beam transmissitivity of 80% ...

PROBLEM TO BE SOLVED: To show color tones different between when using outside light and when using an inside light source by having a substrate containing light scattering titanium oxide coated mica powder for which the surface of mica is coated with a titanium oxide layer containing low-order titanium oxide. SOLUTION: Light scattering powder 48 is diffused in a transparent resin substrate 46, an...

PROBLEM TO BE SOLVED: To make a dark line due to the central axis of a cross dichroic prism incospicuous. SOLUTION: In a second lens array 130, at least a small lens 132u in one row is arranged on a position shifted by a prescribed amount in the (x) direction from a small lens 132d in other row at least among small lenses in a column. A reflection mirror 160 is divided into a reflection part 162 r...

PROBLEM TO BE SOLVED: To improve display performance by reducing a leak current between electrodes by laminating an optically reflecting metal on an insulated resin layer with substantially the same shape as an electrode pattern so as to form an electrode. SOLUTION: Two opposed glass substrates 10a and 10b are provided, stripe electrodes 13a are provided on the side of the opposed substrate face o...

PROBLEM TO BE SOLVED: To provide a liquid crystal(LC) display device capable of eliminating the gradation inversion of anti-visual angle direction in a halftone display state by impressing voltage close to the threshold voltage of LC of the LC and displaying an image of high quality. SOLUTION: At least one of optical phase difference plates 2, 3 in which a direction of a main refractive index nb p...

PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display device capable of improving contrast without deteriorating white display or an angle of visibility. SOLUTION: The reflection type liquid crystal display device 1 is constituted of opposing a transparent substrate 2 provided with transparent electrodes 5 to a counter substrate 3 provided with plural pixel electrodes 7 and swi...