Abstract: A brake disc includes an annular disc body and fins. The fins are radially disposed on a back surface of the disc body. At least one of the fins have a bolt hole at a central portion of the fin in a radial direction of the disc body. The disc body includes an inner circumferential portion. The inner circumferential portion is positioned inward from the bolt hole in the radial direction. The inner circumferential portion decreases in thickness as the inner circumferential portion extends inward in the radial direction. The fins each include a top surface and a convex portion. The convex portion protrudes inward from an imaginary plane in the radial direction. The imaginary plane passes an end portion of the top surface and an inner circumferential edge of the back surface.

Abstract: A mobile body (1A) includes: a base body (3) tiltably assembled to a movement operation section (2) that can move on a floor surface; an occupant riding section 6 installed to the base body (3) by a connection mechanism (4); an auxiliary ground contact section 7 connected to the occupant riding section (6) and in contact with the floor surface in a slidable or rollable manner when a tilt amount of the occupant riding section (6) with respect to the floor surface increases to a predetermined amount; and a control device (80) which controls the movement of the movement operation section (2) to stabilize the attitude of the mobile body (1A). The connection mechanism (4) elastically rocks the occupant riding section (6) with respect to the base body (3) according to the movement of the center of gravity of a user P riding on the occupant riding section (6).

Abstract: A game device comprises a control unit, a storage unit, and a display unit. The control unit executes a program in the storage unit for a game control method, including: displaying a spin image of a reel on the display unit; determining an additional number of wild symbols capable of being substituted for any symbol when a predetermined condition is satisfied when the reel stops spinning; determining a disposition position of the wild symbol in the display unit based on the determined additional number, and adding and disposing the determined additional number of the wild symbols on a plurality of stop symbols displayed on the display unit when the reel stops spinning, according to the determined disposition position; and updating data stored in the storage unit such that a dividend is given to a player according to a symbol displayed on the display unit after the addition and disposition.

Abstract: The vehicle is provided with a seat which is movable between a high position and a low position, and configured to be grounded when the seat is at the low position, and a support leg extending substantially downward from the seat of the vehicle. The support leg is movable between a retracted position positioned close to a vehicle body frame and a deployed position positioned remote from the vehicle body frame, the support leg being configured to be at the retracted position when the seat is at the high position, and to move from the retracted position to the deployed position when the seat moves from the high position to the low position.

Abstract: As a method for producing a polyacrylic acid (salt)-based water absorbent resin particle which less generates fine powder and has an excellent impact resistance and a high moisture content even in a case where the polyacrylic acid (salt)-based water absorbent resin particle is produced on a large scale, employed is a production method including the steps of: (a) adding a surface crosslinking agent solution to water absorbent resin powder to obtain a mixture; (b) reacting the mixture; and, thereafter (c) adding an aqueous liquid to at least one selected from the group consisting of (i) the water absorbent resin powder during the step (b) and (ii) the water absorbent resin powder after the step (b), an atmospheric dew point being not lower than 20° C. in the step (c), and a temperature of the water absorbent resin powder being higher than the atmospheric dew point in the step (c).

Abstract: A rotary drive device in a mobile body includes a main wheel and a pair of drive assemblies opposing each other and each driving the main wheel. The main wheel includes driven rollers. One of the pair of drive assemblies includes a motor, a motor case, a drive force transmission, and driving rollers. The driving rollers are in the drive force transmission along a circumferential direction, and contact at least a portion of the driven rollers from one side of the rotary drive device of the axial direction. The drive force transmission rotates to transmit a drive force of the motor to the main wheel via the driving rollers. At least a portion of the motor case opposes at least a portion of the driving rollers in the axial direction.

Abstract: The vehicle is provided with a seat which is movable between a high position and a low position, and configured to be grounded when the seat is at the low position, and a support leg extending substantially downward from the seat of the vehicle. The support leg is movable between a retracted position positioned close to a vehicle body frame and a deployed position positioned remote from the vehicle body frame, the support leg being configured to be at the retracted position when the seat is at the high position, and to move from the retracted position to the deployed position when the seat moves from the high position to the low position.

Abstract: A gaming device comprises a control unit and a storage unit. The control unit is configured to sequentially display symbols included in a first set of a plurality of symbols comprising a specific symbol in each of a plurality of display areas to change displays of the symbols in the plurality of display areas, and stop the changes of the displays of the symbols at a predetermined timing; sequentially display symbols included in a second set of a plurality of symbols comprising the specific symbol in a higher proportion than in the first set of symbols in each of the plurality of display areas to change displays of the symbols in the plurality of display areas, and stop the changes of the displays of the symbols at a predetermined timing; and execute a predetermined performance when the symbols included in the second set of symbols are sequentially displayed.

Abstract: A mobile body (1A) includes: a base body (3) tiltably assembled to a movement operation section (2) that can move on a floor surface; an occupant riding section 6 installed to the base body (3) by a connection mechanism (4); an auxiliary ground contact section 7 connected to the occupant riding section (6) and in contact with the floor surface in a slidable or rollable manner when a tilt amount of the occupant riding section (6) with respect to the floor surface increases to a predetermined amount; and a control device (80) which controls the movement of the movement operation section (2) to stabilize the attitude of the mobile body (1A). The connection mechanism (4) elastically rocks the occupant riding section (6) with respect to the base body (3) according to the movement of the center of gravity of a user P riding on the occupant riding section (6).

Abstract: As a method for producing a polyacrylic acid (salt)-based water absorbent resin particle which less generates fine powder and has an excellent impact resistance and a high moisture content even in a case where the polyacrylic acid (salt)-based water absorbent resin particle is produced on a large scale, employed is a production method including the steps of: (a) adding a surface crosslinking agent solution to water absorbent resin powder to obtain a mixture; (b) reacting the mixture; and, thereafter (c) adding an aqueous liquid to at least one selected from the group consisting of (i) the water absorbent resin powder during the step (b) and (ii) the water absorbent resin powder after the step (b), an atmospheric dew point being not lower than 20° C. in the step (c), and a temperature of the water absorbent resin powder being higher than the atmospheric dew point in the step (c).

Abstract: A method is disclosed for inexpensively and stably producing, with high productivity, water absorbent resin having excellent damage resistance. A method for producing a polyacrylic acid (salt)-based water absorbent resin, the method comprising a surface-crosslinking step, the surface-crosslinking step including a reaction step, the reaction step involving using a reactor having (i) an inner wall surface having a temperature within a range of 100° C. to 250° C. and (ii) an inside atmosphere having a dew point within a range of 60° C. to 100° C., the reaction step including heat-treating a water absorbent resin mixture so as to produce water absorbent resin powder having a temperature within a range of 90° C. to 130° C.

Abstract: A gaming device comprises a control unit and a storage unit. The control unit is configured to sequentially display symbols included in a first set of a plurality of symbols comprising a specific symbol in each of a plurality of display areas to change displays of the symbols in the plurality of display areas, and stop the changes of the displays of the symbols at a predetermined timing; sequentially display symbols included in a second set of a plurality of symbols comprising the specific symbol in a higher proportion than in the first set of symbols in each of the plurality of display areas to change displays of the symbols in the plurality of display areas, and stop the changes of the displays of the symbols at a predetermined timing; and execute a predetermined performance when the symbols included in the second set of symbols are sequentially displayed.

Abstract: A connector attached optical fiber unit includes: an MT optical connector which includes a joining end surface formed at a front end of the MT optical connector and a hollow portion opened to a rear end surface opposite to the joining end surface; a tubular boot which includes a front end insertion portion inserted and fixed into to the hollow portion and a tube attachment portion formed at a rear end portion of the tubular boot, the tubular boot extending to a rear side from the MT optical connector; a protection tube into which the tube attachment portion is inserted and to which the tube attachment portion is fixed; and a plurality of optical fibers which include tip portions inserted and fixed into the MT optical connector and are accommodated inside the boot and the protection tube.

Abstract: An inverted pendulum vehicle (10) comprises a main wheel (14) configured to be driven under an inverted pendulum control, a vehicle body frame (30) supporting the main wheel, an outer shell (12) covering the vehicle body frame, and a seat (16) mounted on the vehicle body frame in a vertically adjustable manner for seating a rider of the vehicle, wherein the seat is provided with an extension (92) extending downward therefrom along a front side of the outer shell, and the vehicle body frame is provided with a projection (102) projecting forward from the vehicle body frame and passed through a front part of the outer shell, the projection being provided with a free end configured to contact a rear side of the extension.

Abstract: When a main switch is turned on, a main relay is energized so as to supply electric power to a computer system; when an engine starting switch is turned on, an engine is started and energization of the main relay is continued; when an engine stopping switch is turned on, the engine is stopped, and the main relay is de-energized so as to stop supply of electric power to the computer system.

Abstract: In an inverted pendulum vehicle, the fore and aft dimension of the vehicle in a forwardly tilted, parked position is minimized. A pivot center line of a base end of a tail wheel arm is located inside a circle centered around a center of a tail wheel and having a radius equal to a distance between the center of the tail wheel and the rotational center line of the drive disks, and with respect to a hypothetical tail wheel arm, a first line is a line extending along the hypothetical tail wheel arm when the vehicle is in the upright position, and a second line is a line extending along the hypothetical tail wheel arm when the vehicle is in the forwardly tilted, park position, the pivot center line being located on or above a bisector of an angle formed by the first line and the second line.

Abstract: In an inverted pendulum vehicle (10) including a vehicle body frame (12) fitted with a saddle (32) at an upper end thereof; a main wheel (40) combining a plurality of free rollers (44) arranged along a circle such that rotational center lines of the free rollers are each directed along a tangential line of the circle, a pair of drive disks (50) each carrying a plurality of free rollers (52) arranged along a circumferential direction and configured to engage the free rollers of the main wheel, and a pair of drive units (72, 86) including a pair of electric motors (68, 82) for individually driving the drive disks under an inverted pendulum control, the two drive units are positioned one behind the other between the saddle and a rotational center line of the main wheel.

Abstract: A plug-side optical connector includes: an insertion section that is inserted inside a cylindrical coupling section of a receptacle-side optical connector; a rotation section that is coupled to the coupling section of the receptacle-side optical connector; and a waterproofing member disposed on an outer peripheral surface of the insertion section inside the rotation section to contact an inner peripheral surface of the coupling section of the receptacle-side optical connector when the insertion section is inserted inside the coupling section of the receptacle-side optical connector. The rotation section is rotatable outside the insertion section.

Abstract: An inverted pendulum vehicle (10) comprises a main wheel (14) configured to be driven under an inverted pendulum control, a vehicle body frame (30) supporting the main wheel, an outer shell (12) covering the vehicle body frame, and a seat (16) mounted on the vehicle body frame in a vertically adjustable manner for seating a rider of the vehicle, wherein the seat is provided with an extension (92) extending downward therefrom along a front side of the outer shell, and the vehicle body frame is provided with a projection (102) projecting forward from the vehicle body frame and passed through a front part of the outer shell, the projection being provided with a free end configured to contact a rear side of the extension.

Abstract: When a main switch is turned on, a main relay is energized so as to supply electric power to a computer system; when an engine starting switch is turned on, an engine is started and energization of the main relay is continued; when an engine stopping switch is turned on, the engine is stopped, and the main relay is de-energized so as to stop supply of electric power to the computer system.