Abstract: The steel material according to the present disclosure contains a chemical composition consisting of, in mass %, C: 0.20 to 0.50%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%, P: 0.030% or less, S: less than 0.0050%, Al: 0.005 to 0.050%, Cr: 0.10 to 1.50%, Mo: 0.25 to 1.80%, Ti: 0.002 to 0.050%, Nb: 0.002 to 0.100%, B: 0.0001 to 0.0050%, N: 0.0070% or less and O: less than 0.0050% with the balance being Fe and impurities. A yield strength is within a range of 655 to 1069 MPa, and a yield ratio is 85% or more. A proportion of KAM values of 1° or less is 30 area % or more.

Abstract: A vehicle seat structure includes a vehicle seat including a seat cushion configured to support an occupant, an upper rail that is fixed to the vehicle seat and that moves in a seat front-rear direction together with the vehicle seat, and a lower rail that is fixed to a floor of a vehicle body and that engages with the upper rail and supports the upper rail so as to allow movement of the upper rail. The vehicle seat structure includes a lock mechanism configured to restrict movement of the upper rail with respect to the lower rail. The lock mechanism is configured such that at least part of the lock mechanism deforms when a force toward the seat front side arising due to inertia acts on the vehicle seat in a state in which the upper rail is engaged with a seat rear side portion of the lower rail.

Abstract: The present disclosure provides a technique that enables customization of a vehicle. In an information processing apparatus, a controller presents vehicle units extracted from among a plurality of types of under units each of which is provided with a driving mechanism configured to cause wheels to rotate and a plurality of types of upper units to be loaded on any of the under units to a user, the vehicle units being combinable as a vehicle. Furthermore, the controller executes: accepting selection by a user from among the presented vehicle units; and calculating a fee in the case of providing the selected vehicle units.

Abstract: An information processing apparatus is provided with a controller comprising at least one processor configured to perform: obtaining route information indicating an operation route of a vehicle utilized by unspecified users; and obtaining desired location information indicating desired locations at which the users desire to get on the vehicle or desired locations at which the users desire to get off the vehicle. Then, the controller of the information processing apparatus determines a stop location, at which the vehicle is stopped for the users to get on or off, based on a plurality of pieces of the desired location information and the route information, and presents stop location information indicating the stop location thus determined to the users.

Abstract: A vehicle loads at least one of a plurality of upper units having space to store a person or an object on an under unit including a drive mechanism that rotates wheels in the vehicle. The vehicle includes an under unit including a drive mechanism that rotates wheels and the at least one of the plurality of upper units loaded on the under unit. The under unit includes a loading unit, on which the at least one of the plurality of upper units as described above can be loaded. Each of the plurality of upper units includes a joint that joins to a different upper unit that is adjacently loaded.

Abstract: The present disclosure makes it possible to freely exchange interior of a vehicle. An interior unit according to the present disclosure is provided with: a frame portion attachable to and detachable from a vehicle; and interior parts installed on the frame portion. The frame portion is foldable, or extendable and contractible.

Abstract: A vehicle according to the present disclosure comprises an under unit which is equipped with a driving mechanism configured to rotate wheels of the vehicle, and an upper unit which is mounted on the under unit. The upper unit comprises an extension/contraction mechanism which is configured to extend or contract the upper unit according to a size of the under unit.

Abstract: A seamless steel pipe heat-treatment-finishing-treatment continuous facility includes: a heat treatment apparatus; a steel pipe inspection apparatus which performs a test for a surface defect and/or an inner defect of the seamless steel pipe, the steel pipe inspection apparatus being disposed downstream of the heat treatment apparatus; a main transfer mechanism which forms a main transfer path MT for transferring the seamless steel pipe, discharged from the heat treatment apparatus, to the steel pipe inspection apparatus disposed downstream of the heat treatment apparatus; and a first forced steel pipe-temperature reduction apparatus which forcibly reduces a temperature of the seamless steel pipe on the main transfer path MT, the first forced steel pipe-temperature reduction apparatus being disposed on the main transfer path MT at a position downstream of the heat treatment apparatus and upstream of the steel pipe inspection apparatus.

Abstract: A headrest is provided including an upper pillow section that configures a front side of an upper portion of the headrest, and a lower pillow section that configures a front side of a lower portion of the headrest. A front-rear position of the lower pillow section with respect to the upper pillow section is adjustable by swinging the lower pillow section about a shaft extending along a seat width direction at an upper edge side of the lower pillow section, and a protrusion amount by which respective seat width direction side portions of the lower pillow section protrude toward a seat front side being adjustable with respect to a seat width direction intermediate portion of the lower pillow section by swinging the two seat width direction side portions about a shaft extending in a seat vertical direction.

Abstract: Provided is a low alloy oil-well steel pipe having a yield strength of 793 MPa or more, and an excellent SSC resistance. A low alloy oil-well steel pipe according to the present invention includes a chemical composition consisting of: in mass %, C: 0.25 to 0.35%; Si: 0.05 to 0.50%; Mn: 0.10 to 1.50%; Cr: 0.40 to 1.50%; Mo: 0.40 to 2.00%; V: 0.05 to 0.25%; Nb: 0.010 to 0.040%; Ti: 0.002 to 0.050%; sol. Al: 0.005 to 0.10%; N: 0.007% or less; B: 0.0001 to 0.0035%; and Ca: 0 to 0.005%; and a balance being Fe and impurities. In a microstructure of the low alloy oil-well steel pipe, a number of cementite particles each of which has an equivalent circle diameter of 200 nm or more is 100 particles/100 ?m2 or more. The above low alloy oil-well steel pipe has a yield strength of 793 MPa or more.

Abstract: An attention attracting device for a vehicle includes an electronic control unit configure to: detect a plurality of types of attention information around an own vehicle; apply vibration, by using a vibrator, to a vehicular seat; display, using a display, an attention information content corresponding to each of the plurality of types of attention information; when the information detection unit detects attention information, operate the vibrator when the attention information is detected and cause a display to display the attention information content corresponding to the detected attention information when the attention information is detected.

Abstract: According to one implementation, a fiber width adjustment device includes: a feeder and an adjuster. The feeder feeds a tape material in a length direction of the tape material. The tape material consists of fibers for a fiber reinforced resin after or before the fibers are impregnated with a resin. The adjuster has a path for the tape material. The path is formed by at least a bottom and a pair of wall surfaces. The interval of the wall surfaces decreased gradually. The width of the tape material which passed the path is changed by adjusting a part of the path. The tape material passes through the part of the path while contacting with the bottom and the wall surfaces.

Abstract: A seat occupancy sensor includes: a first sensor group having a plurality of first sensor cells that are arrayed in a front-rear direction of a seat and become conductive as a load is applied thereto; a second sensor group having a plurality of second sensor cells that are arrayed in the front-rear direction, farther on a front side of the seat and closer to an end of the seat in a width direction than the first sensor group, and that become conductive as a load is applied thereto; and an electronic control unit. The electronic control unit determines that someone is sitting on the seat when both of at least one of the first sensor cells and at least one of the second sensor cells become conductive.

Abstract: A vehicle seat includes: a seat main body including a seat face side at which occupant sits; a blower device provided at the seat main body and that blows air when operated; an exhaust portion provided at the seat main body and that exhausts air blown from the blower device to the seat face side of the seat main body; an intake portion provided at the seat main body and that takes in air; and a suction device provided at the seat main body and that takes in air through the intake portion when operated, and the suction device forming an air current at the seat face side of the seat main body at a vicinity of the seat occupant, the air current including at least a portion of air that is exhausted to an outer side of the seat main body from the exhaust portion.

Abstract: There is provided a vehicle seat including: a frame member that structures a frame of a seatback; a pair of supporting members that extend in a seat vertical direction, and that are supported by the frame member at a seat upper side and a seat lower side; a fabric spring member that has elasticity and is stretched between the pair of supporting members; and a spanning member that is provided extending between the pair of supporting members, so as to impart tension to the fabric spring member.

Abstract: Provided is a low alloy oil-well steel pipe having a yield strength of 827 MPa or more, and an excellent SSC resistance. The low alloy oil-well steel pipe according to the present invention consisting of: in mass %, C: more than 0.35 to 0.65%; Si: 0.05 to 0.50%; Mn: 0.10 to 1.00%; Cr: 0.40 to 1.50%; Mo: 0.50 to 2.00%; V: 0.05 to 0.25%; Nb: 0.01 to 0.040%; sol.Al: 0.005 to 0.10%; N: 0.007% or less; Ti: 0 to 0.012%; Ca: 0 to 0.005%; and a balance being Fe and impurities, the impurities including: P: 0.020% or less; S: 0.002% or less; O: 0.006% or less; Ni: 0.10% or less; Cu: 0.03% or less; and B: 0.0005% or less, wherein in a microstructure, a number of cementite particles each of which has an equivalent circle diameter of 200 nm or more is 200 particles/100 ?m2 or more, and a yield strength is 827 MPa or more.

Abstract: A headrest is provided including an upper pillow section that configures a front side of an upper portion of the headrest, and a lower pillow section that configures a front side of a lower portion of the headrest. A front-rear position of the lower pillow section with respect to the upper pillow section is adjustable by swinging the lower pillow section about a shaft extending along a seat width direction at an upper edge side of the lower pillow section, and a protrusion amount by which respective seat width direction side portions of the lower pillow section protrude toward a seat front side being adjustable with respect to a seat width direction intermediate portion of the lower pillow section by swinging the two seat width direction side portions about a shaft extending in a seat vertical direction.

Abstract: A steel pipe for line pipe has a composition of, in mass %: C: 0.02 to 0.11%; Si: 0.05 to 1.0%; Mn: 0.30 to 2.5%; P: up to 0.030%; S: up to 0.006%; Cr: 0.05 to 0.36%; Mo: 0.02 to 0.33%; V: 0.02 to 0.20%; Ti: 0.001 to 0.010%; Al: 0.001 to 0.100%; N: up to 0.008%; Ca: 0.0005 to 0.0040%; and other elements and satisfies Cr+Mo+V?0.40, the chemical symbols in the equation substituted by the content of the corresponding element in mass %. The pipe contains tempered martensite and/or tempered bainite and further contains ferrite in at least one of a portion between a steel pipe outer surface and a depth of 1 mm from the outer surface, and a portion between a steel pipe inner surface and a depth of 1 mm from the inner surface.

Abstract: A thick-wall oil-well steel pipe has a wall thickness of 40 mm or more, excellent SSC resistance and high strength. The thick-wall oil-well steel pipe has a composition containing, in mass %, C: 0.40 to 0.65%, Si: 0.05 to 0.50%, Mn: 0.10 to 1.0%, P: 0.020% or less, S: 0.0020% or less, sol. Al: 0.005 to 0.10%, Cr more than 0.40 to 2.0%, Mo: more than 1.15 to 5.0%, Cu: 0.50% or less, Ni: 0.50% or less, N: 0.007% or less, and O: 0.005% or less. The number of carbide which has a circle equivalent diameter of 100 nm or more and contains 20 mass % or more of Mo is 2 or less per 100 mm2. The thick-wall oil-well steel pipe has yield strength of 827 MPa or more. A difference between a maximum value and a minimum value of the yield strength in the wall-thickness direction is 45 MPa or less.

Abstract: A steel for oil country tubular goods includes, as a chemical composition, by mass %, C, Si, Mn, Al, Mo, P, S, O, N, and a balance containing Fe and impurities, wherein a full width at half maximum HW of a crystal plane corresponding to a (211) crystal plane of an ? phase and a carbon content expressed in mass % in the chemical composition satisfy HW×C1/2?0.38, the carbon content and a molybdenum content expressed in mass % in the chemical composition satisfy C×Mo?0.6, a number of M2C carbides having a hexagonal crystal structure and having an equivalent circle diameter of 1 nm or more is 5 pieces or more per one square micron, and an yield strength is 758 MPa or more.