Abstract: A dump truck includes an engine, a cab floor disposed above the engine and configured to support a cab, a first aftertreatment device configured to treat exhaust gas discharged from a first exhaust pipe of the engine, and a second aftertreatment device configured to treat exhaust gas discharged from a second exhaust pipe of the engine. The first aftertreatment device and the second aftertreatment device are disposed side by side in a vehicle width direction behind the engine and below the cab floor.

Abstract: An image forming apparatus includes: a first guide that is provided in an apparatus housing and configured to suspend and hold a first unit including an image holder so that the first unit is movable in an insertion and removal direction; a second guide that is provided in the apparatus housing and configured to suspend and hold a second unit including a developer holder so that the second unit is movable in an insertion and removal direction; and a pedestal that is disposed on a front side in the insertion and removal direction with respect to the first guide and the second guide, supports, from below in a gravity direction, the first unit and the second unit while the first unit and the second unit are inserted into the apparatus housing, and does not contact with the first unit and the second unit located in the apparatus housing.

Abstract: A developing device includes: a housing in which a developer is contained; a cover member configured to cover an upper opening of the housing; a developer holder that is supported by the housing and holds the developer on an outer surface and rotates; and a regulating member that faces the developer holder and is configured to regulate an amount of the developer on the outer surface. The device also includes a first exit path inclined toward an inside of the housing which is configured to exit air from the inside of the housing to an outside of the cover member. A second exit path connects the first exit path and a filter member provided on the cover member, in which the filter member prevents passage of the developer and allows for passage of air.

Abstract: An image forming apparatus includes: a first guide that is provided in an apparatus housing and configured to suspend and hold a first unit including an image holder so that the first unit is movable in an insertion and removal direction; a second guide that is provided in the apparatus housing and configured to suspend and hold a second unit including a developer holder so that the second unit is movable in an insertion and removal direction; and a pedestal that is disposed on a front side in the insertion and removal direction with respect to the first guide and the second guide, supports, from below in a gravity direction, the first unit and the second unit while the first unit and the second unit are inserted into the apparatus housing, and does not contact with the first unit and the second unit located in the apparatus housing.

Abstract: A developing device includes: a housing in which a developer is contained; a cover member configured to cover an upper opening of the housing; a developer holder that is supported by the housing and holds the developer on an outer surface and rotates; a regulating member that faces the developer holder and configured to regulate an amount of the developer on the outer surface; a first exit path inclined toward an inside of the housing and configured to exit air from the inside of the housing to an outside of the cover member; and a second exit path that connects the first exit path and a filter member provided on the cover member, the filter member preventing passage of the developer and allowing passage of the air.

Abstract: An image carrier unit, insertable into and removable from an apparatus housing, includes: an image carrier; a protection cover removable from and attachable to the image carrier and including a covering portion and a block, the covering portion covering an exposed portion of the image carrier, the block being disposed on a near side in an insertion-removal direction and protruding in a direction crossing the insertion-removal direction; and a surface opposing a far side of the block in the insertion-removal direction, wherein the block is pressed by a protrusion movable toward the apparatus housing.

Abstract: A pneumatic tire comprises a puncture prevention member adhered to at least a part of an inner surface of a tire body, wherein the puncture prevention member includes one or more protective layers each of which includes: an internal pressure retention layer; and a protective material located on a tire outer surface side of the internal pressure retention layer in at least a part of an extending region of the internal pressure retention layer.

Abstract: A terminal connection structure between a first device to be detachably attached for use and a second device having a mounting section to which the first device is to be detachably attached includes: at least one connection terminal provided in the first device; and at least one connection target terminal that is provided in the second device and comes into contact with the connection terminal in an electrically conductive manner when the first device is attached to the mounting section, one of the connection terminal and the connection target terminal having a structure including a plurality of contact portions to be in contact with the other.

Abstract: A pneumatic tire comprises a puncture prevention member adhered to at least a part of an inner surface of a tire body, wherein the puncture prevention member includes one or more protective layers each of which includes: an internal pressure retention layer; and a protective material located on a tire outer surface side of the internal pressure retention layer in at least a part of an extending region of the internal pressure retention layer.

Abstract: Provided is a pneumatic tire of the present disclosure comprising a puncture prevention member bonded to at least a part of an inner surface of a tire body, and the puncture prevention member satisfies relational expressions: S?100×M×T+4.5 and Y/(M×T)?2, where M is a 100% modulus in MPa of a portion of the puncture prevention member in which the 100% modulus is lowest, T is a thickness in mm of the portion of the puncture prevention member, Y is an initial rigidity in N/mm during nail intruding, and S is a penetration strength in N of a portion of the puncture prevention member in which the penetration strength is highest.

Abstract: A valve includes a valve disc and annular-plate shaped leaf valves. The leaf valves are laminated on each of the one chamber side and the other chamber side of the valve disc. The valve disc includes annular bosses and seats. The boss is formed at each of the one chamber side and the other chamber side to support the leaf valves. The seats are formed on outer peripheral sides of the respective bosses on the one chamber side and the other chamber side. The leaf valves are left from/seated on the seats. At least one of the seats on the one chamber side and the other chamber side are disposed to project with respect to the bosses. An outer peripheral end on the seat on the other chamber side is disposed on an outer peripheral side with respect to an outer peripheral end of the leaf valve.

Abstract: A valve includes a valve disc that partitions one chamber and another chamber. The valve disc includes annular bosses and seats at each of the one chamber side and the other chamber side, and an auxiliary seat at the other chamber side. The boss is formed to support leaf valves. The seats are formed on outer peripheral sides of the respective bosses. At least one of the seats is disposed to project with respect to the boss of the corresponding chamber side. An outer peripheral end of the seat on the one chamber side is disposed on an outer peripheral side with respect to an outer peripheral end of the seat on the other chamber side. The auxiliary seat is formed on an outer peripheral side of the seat, and have a height equal to or greater than that of the seat on the other chamber side.

Abstract: At a pneumatic tire (11), in a pneumatic tire in which a reinforcing layer (11) is structured from at least one reinforcing ply (53) in which are embedded plural reinforcing cords (54) that are formed from steel and are inclined with respect to a tire equator S, an inclination angle A of the reinforcing cords (54) with respect to the tire equator S is within a range of 40 to 90°, and a compressive rigidity F per 50 mm width of a reinforcing layer (52) in a direction parallel to the reinforcing cords (54) is within a range of 1000 to 2400 N.

Abstract: A piston includes a disc formed to have an annular shape, a cylindrical skirt portion that projects from an outer peripheral portion of the disc on one end side in an axial direction of the disc, and a passage that is formed in the disc and that is opened on an inner side of the skirt portion. An inner peripheral surface of the skirt portion is a slope that increases its diameter toward a side opposite to the disc.

Abstract: Provided is a pneumatic tire comprising a carcass 1 as a skeletal structure composed of at least one carcass ply extending toroidally between a pair of bead portions 11, at least one layer of a belt 2 located on the outer side of the carcass in the tire radial direction of the crown portion. The tire is provided with a cushion rubber 13C and a tread rubber 13G forming a tread portion in turn on the outer side of the belt in the tire radial direction, and a composite fiber 3 containing a conductive fiber and a non-conductive fiber is extended at least from the pair of bead portions to portions in contact with the cushion rubber or a pair of belt under cushions, so as to expose the composite fiber to both surfaces of the carcass at the outer and inner sides of the tire.

Abstract: A knuckle bracket includes a cylindrical bracket main body that is fixed by welding to an outer periphery of an outer tube of a shock absorber and a pair of gripping pieces that extend along an axial direction of the bracket main body and stand up toward the outside from the bracket main body opposing each other. The bracket main body has a cut-away part formed on one side end and a compression part, the compression part being configured to abut a misassembly detection pin of a misassembly prevention device, the misassembly prevention device being configured to identify a type of the knuckle bracket.

Abstract: A power supply structure includes a bearing, a first spring, and a second spring. The bearing supports a rotary member that axially rotates while contacting with a contact target. While receiving power, the first spring contacts with and presses the bearing with an end portion of the first spring to bring the rotary member into contact with the contact target. The second spring extends from the first spring toward the contact target and contacts with the rotary member.

Abstract: A charging device includes a charging member that is opposed to and contacts a charged body, the charging member extending axially and rotating in response to rotation of the charged body, a cleaning member that extends axially along the charging member, and contacts a surface of the charging member to clean the charging member, a holding member that holds the charging member and the cleaning member in a manner allowing their displacement by a substantially constant amount while maintaining a distance between their axes, multiple bearing members provided to the holding member with their rotation being arrested, the bearing members individually supporting the shafts of the charging member and cleaning member in a manner allowing their rotation, the bearing members being displaced to follow a change in orientation of the shafts, and an urging member that urges the holding member to press the charging member onto the charged body.

Abstract: To provide an optical member, formed without generating cracks in a hard coat layer of desired film thickness, and a method of manufacturing an optical member that permits the manufacturing of the above optical member.

Abstract: A power supply structure includes a bearing, a first spring, and a second spring. The bearing supports a rotary member that axially rotates while contacting with a contact target. While receiving power, the first spring contacts with and presses the bearing with an end portion of the first spring to bring the rotary member into contact with the contact target. The second spring extends from the first spring toward the contact target and contacts with the rotary member.