Abstract: This electric resistance-welded steel tube for a hollow stabilizer is an electric resistance-welded steel tube for a hollow stabilizer including a base material portion and a weld, in which the base material portion has predetermined chemical components, a wall thickness of the base material portion is 2.0 to 6.

Abstract: A stage includes a base material including a step portion and an insulating film. The step portion includes a first surface recessed from a top surface of the base material and a second surface recessed from a side surface of the base material. The insulating film includes a plurality of first layers on the first surface and a plurality of second layers on the second surface. In the step portion, each first end portion of the plurality of first layers and each second end portion of the plurality of second layers are alternately stacked. The first surface and the second surface are connected via a corner, and each first end portion and each second end portion are alternately stacked at the corner.

Abstract: A slide device including: a fixed rail; a movable rail; a belt-shaped cover member including a coupling plate coupled to the movable rail at an end portion of the belt-shaped cover member, the belt-shaped cover member closing an opening groove of the fixed rail between a longitudinal end portion of the fixed rail and the movable rail; and a slide cover that covers a periphery of a side edge portion of the cover member, wherein the slide cover includes: an upper wall; a lower wall; and a rib disposed along a sliding direction of the movable rail and protruding in a direction toward the side edge portion of the cover member, on at least one of a surface of the upper wall facing the side edge portion of the cover member or a surface of the lower wall facing the side edge portion of the cover member.

Abstract: An accumulator includes: an exterior body including a bottom, a shell and a port; and a bellows provided inside the exterior body and having an S-shape being capable of expansion and contraction. In a case where the bellows has expanded maximally in the accumulator, the bellows has expanded from a free state where no load other than gravitational force is being applied to the bellows.

Abstract: A heating method for hardening a coil spring includes: fixing one end of the coil spring to an outer peripheral surface of a first shaft member and fixing another end of the coil spring to an outer peripheral surface of a second shaft member; energizing the first and second shaft members to heat up the coil spring; and rotating each of the first and second shaft members in a state where the first and second shaft members are being energized. Rotation axes of the first and second shaft members are positioned on a same straight line that is at an angle of 0 degrees or more and 30 degrees or less to a horizontal direction, and a central axis of the coil spring that has been mounted on the first and second shaft members is parallel to the straight line.

Abstract: According to an embodiment a personal watercraft includes a hull, an engine, a steering device, a water jetting nozzle, a control unit, a throttle mechanism, and a detection unit including an inertial measurement unit. When the hull turns, an angular velocity and an angular acceleration around a yaw axis are detected by the inertial measurement unit. When at least one of the angular velocity and the angular acceleration exceeds each threshold value, a deceleration control for decelerating the engine is performed by the control unit.

Abstract: According to an embodiment, a working jig has a body formed of metal having wear-resistance. A tapered surface is formed in an outer circumference of a distal end portion of the body. The tapered surface has a shape in which a diameter decreases toward an end face of the body. A center hole is formed in the body. Slits are formed at a plurality of positions in a circumferential direction of the body. The slits extend from the end face to positions in a length direction of the body in a direction along an axis. Chuck elements are formed between the slits which are adjacent to each other in the circumferential direction of the body. Punching portions are formed at distal ends of the chuck elements, respectively.

Abstract: The armrest of a vehicle seat is provided with a first armrest and a second armrest. The first armrest includes a first end portion rotatably supported by a side portion of a seatback, and selectively adopts a not-in-use position in which the first armrest is positioned so as to extend toward a seat upper side at the seatback side portion, and an in-use position in which the first armrest is positioned so as to be rotated from the seatback side portion toward a seat front side, so as to extend toward the seat front side.

Abstract: According to an embodiment, an inspection device inspects a target object including a hole and a component inserted into the hole. The inspection device includes a plurality of light sources configured to illuminate an area including the hole in different directions in series, a camera configured to generate a plurality of digital images of the area illuminated by the light sources in series, and a controller configured to determine whether the component is normally inserted into the hole based on a shadow included in each of the digital images generated by the camera.

Abstract: A lift mechanism of a die set apparatus includes a guide pin, a linear motion guide member, a first washer, a second washer, a first coil spring, and a second coil spring. A first positioning portion and a second positioning portion control a first end turn portion and a second end turn portion from moving in a radial direction of the guide pin in a state where a first gap is formed between the first coil spring and the guide pin. A third positioning portion and a fourth positioning portion control a third end turn portion and a fourth end turn portion from moving in the radial direction of the guide pin in a state where a second gap is formed between the second coil spring and the guide pin.

Abstract: A seat frame includes: a plate member; and a bar member joined to the plate member, the bar member including a planar portion on at least part of a side surface of the bar member, wherein the plate member and the bar member are joined to each other by a welded portion including a base portion configured to: extend in a longitudinal direction of the bar member; and have a central line positioned closer to a position at which a load from a user is applied upon use of the seat frame than a central portion of the bar member, the central portion being at a center of a length of the bar member, the length being orthogonal to the longitudinal direction of the bar member, the position being in an area of contact between the plate member and the planar portion.

Abstract: A workpiece manufacturing device includes a cylinder mechanism, an electro-pneumatic regulator, a load sensor, an image capturing device. The cylinder mechanism is operated by driving gas. A piezoelectric element as an example of the fragile component, is sucked by a sucking portion and then is arranged on a piezo mounting portion. Information on the pressure of the driving gas at the time of the arrangement of the piezoelectric element is input to the recording unit. The pressing load at the time of the arrangement of the piezoelectric element is input to the recording unit. An image of the piezoelectric elements is captured by the image capturing device, and information (for example, on presence or absence of cracks) on the image is recorded in the recording unit.

Abstract: A die set to bend a work including a pair of flange bending parts. The die set includes: a die supporting a first part of the work in a length direction; a pad including a pressure surface which holds the work with the die; and a punch which presses a second part of the work in the length direction in a thickness direction of the work while the first part of the work is held between the die and the pad. The die includes: a flat supporting surface supporting the work; a first relief part including a first inclined surface; and a second relief part including a second inclined surface.

Abstract: A processing method of a work includes: forming flange bending parts at respective side parts of the work, the flange bending parts including first bending parts extending in a length direction of the work; holding a first part of the work in the length direction where the flange bending parts are formed between a die and a pad; and pressing a second part of the work in the length direction in a thickness direction to form a second bending part extending in a width direction of the work between the first part and the second part. The die includes a supporting surface supporting the work, a first relief part including a first inclined surface, and a second relief part including a second inclined surface.

Abstract: A cap bellows assembly seals one end of a bellows provided inside an exterior body of an accumulator, the accumulator including a bottom, a shell, and a port, and includes: a cap body configured to cover an opening of the bellows; and a cap elastic portion provided between the cap body and the port and fixed to the cap body. A bonding surface of the cap body, to which the cap elastic portion is bonded, is subjected to a zinc calcium phosphate treatment, and a hopeite amount on the bonding surface is 4.8% or less.

Abstract: Provided is a golf shaft, capable of ensuring bending rigidity required for a golf club and providing good hit feeling in a composite shaft with 50 g-130 g. The golf shaft comprises an element tube made of metal, an outer layer made of a fiber reinforced plastic and covering an outer periphery of the element tube over an entire length of the element tube in an axial direction, an adhesive layer interposed between the element tube and the outer layer to bond between the element tube and the outer layer, wherein weight of a whole including the element tube, the outer layer, and the adhesive layer is 50 g-130 g, and weight of the element tube is 50%-90% of the weight of the whole.

Abstract: A carrier device includes a coupling mechanism for connecting an automatic controlled vehicle to a carriage. The coupling mechanism includes a first roller assembly and a second roller assembly. The first roller assembly includes a first roller and a third roller, provided on a first common shaft. The second roller assembly includes a second roller and a fourth roller, provided on a second common shaft. The first roller and the second roller can enter a gap of the guide rail section in the automatic controlled vehicle. When the lock member moves from the first position to the second position, the lock member is sandwiched between the third roller and the fourth roller.

Abstract: A surface treatment jig for performing surface treatment of an exterior body of an accumulator including a bottom, a shell and a port in a state where the surface treatment jig is connected to the exterior body and supports the exterior body includes: a support portion configured to support the accumulator; and a hook portion connected with the support portion. The support portion has a shape tapered near the hook portion.

Abstract: A heater comprises a folded heater wire, a first insulator provided on the folded heater wire, a metal sheath in contact with a part of the first insulator, a first insulating member arranged in parallel to a part of a first end of the folded heater wire taken out from a first end of the metal sheath, a second insulating member arranged in parallel to a part of the first insulating member and parallel to a part of a second end of the folded heater wire taken out from the first end of the metal sheath, a third insulating member arranged in parallel to a part of the first insulating member and the second insulating member, and bundle the first insulating member and the second insulating member, and a cylindrical member arranged in parallel to a part of the metal sheath and the third insulating member.

Abstract: An information processing system includes a first acquisition section acquiring first pattern data from electronic data, a second acquisition section acquiring second pattern data from a database, and a generation section combining the first pattern data with the second pattern data to generate a two-dimensional code. Further, an information processing system includes a first acquisition section acquiring first pattern data from electronic data and a generation section determining the first pattern data to generate a two-dimensional code including the first pattern data.