Abstract: A transmission case contains a first power transmission shaft, a second power transmission shaft below the first power transmission shaft, a first power transmission gear attached to the first power transmission shaft, and a second power transmission gear attached to an end of the second power transmission shaft and meshing with the first power transmission gear at a meshing portion. A first cover covers a portion of the second power transmission gear on a first side opposite to a second side toward which the second power transmission shaft protrudes, and covers the end of the second power transmission shaft. A second cover covers a radially outward portion of the second power transmission gear except for the meshing portion.

Abstract: There is provided a work vehicle including a partition wall to keep partition between a first space zone as part of an internal space of the transmission case in which a differential mechanism is located and a second space zone as part of the internal space which is adjacent to the first space zone. An upper space is disposed above the partition wall and configured to allow lubricating oil scooped up from the first space zone by a ring gear to flow in the second space zone. A flow-out path is disposed below the upper space and configured to allow the lubricating oil to flow out of the second space zone to the first space zone.

Abstract: There is provided a work vehicle including an oil outlet port and a partition part. The oil outlet port opens to a bottom portion in one end side of a transmission case in a vehicle body front-back direction and a vehicle body left-right direction. The oil outlet port takes out a lubricating oil from an interior of the transmission case. The partition part divided an internal space of the transmission case into a first space zone along a sidewall portion of the transmission case, and a second space zone other than the first space zone. The partition part brings the first space zone into a sealed state.

Abstract: A connection terminal includes an electric wire connection part to which an electric wire is electrically connected by ultrasonic bonding, and an electric connection part integrated with the electric wire connection part and electrically connected to a mating terminal. The electric connection part includes a box unit which is formed in a cylindrical shape by bending a plurality of bending parts and into which the mating terminal is capable of being inserted, and a thin-walled portion having a thickness less than other parts of the box unit is continuously provided along each of the bending parts, and at least one of the thin-walled portions is arranged at a distance from an end portion of the box unit.

Abstract: A connection terminal includes an electric wire connection part to which an electric wire is electrically connected by ultrasonic bonding, and an electric connection part integrated with the electric wire connection part and electrically connected to a mating terminal. The electric connection part includes a box unit which is formed in a cylindrical shape by bending a plurality of bending parts and into which the mating terminal is capable of being inserted, and a thin-walled portion having a thickness less than other parts of the box unit is provided and a plurality of thin-walled portions is arranged on at least one of the bending parts along the bending part.

Abstract: A connection terminal includes: an electric wire connection part to which an electric wire is electrically connected by ultrasonic bonding; and an electric connection part integrated with the electric wire connection part and electrically connected to a mating terminal. The electric connection part includes: a box unit which is bent at bending parts to be formed into a cylindrical shape and into which the mating terminal is insertable; and a spring part disposed so as to be elastically deformable in an inner side of the box unit and brought into contact with the mating terminal. The box unit is provided with an avoidance recess recessed so as to be thinner in thickness than the other portions of the box unit and avoiding interference with the spring part, and the avoidance recess is disposed in the inner side from an inner end positioned on an innermost side of the box unit.

Abstract: A traveling transmission device of a tractor including a transmission case to which power from an engine is inputted via an input shaft, a speed changer transmission section provided inside the transmission case and configured to input power from the input shaft and to speed-change the inputted power and output it, and a rear wheel differential mechanism provided inside the transmission case and configured to input power outputted from the speed changer transmission section and transmit the inputted power to left and right rear wheels. The speed changer transmission section includes a plurality of speed changer sections configured to speed-change power from the input shaft by a gear coupling mechanism and a multiple-disc clutch and output it, and, inside the transmission case, an oil feeding pipe extends upwardly of the speed changer transmission section and a discharge nozzle connects to respective portions of the plurality of speed changer sections.

Abstract: A power transmission device for a work vehicle includes a transmission case, a gear transmission housed in the transmission case and configured to transmit power to a travel device, and a transmission gear provided in the gear transmission in a state of sitting in lubricating oil stored in an internal space of the transmission case, the transmission case being provided with a wall part supporting a support shaft of the transmission gear in a state of being adjacent to the transmission gear, and the wall part being provided with a cover part protruding toward the outer periphery of the transmission gear from the wall part and covering the transmission gear.

Abstract: An optical device includes: an optical element having a first surface and a second surface; a first seat surface member that abuts on the first surface of the optical element; a first pressing member that abuts on the second surface of the optical element at a position facing the first seat surface member via the optical element, and press the optical element against the first seat surface member; an adjustment member that abuts on the second surface of the optical element at a position different from the first pressing member, and displaces the abutment position to adjust a posture of the optical element; and a second pressing member that abuts on the first surface of the optical element at a position facing the adjustment member via the optical element, and applies a pressing force to the abutment position to press the optical element against the adjustment member.

Abstract: A work vehicle including: a transmission configured to receive motive power input from a motive power source, and shift and output the input motive power to a travel device; a transmission case housing the transmission; and a gear pair disposed in the transmission, in a bottom section of an internal space of the transmission case, and including (i) a first power transmission gear configured to rotate about a first rotation axis, and (ii) a second power transmission gear configured to mesh with the first power transmission gear and rotate about a second rotation axis that is parallel with the first rotation axis. The work vehicle further includes at least one gear cover covering the first power transmission gear and the second power transmission gear.

Abstract: A CPA attachment structure capable of suppressing increase in connector size, a CPA-attached connector and a wire harness are provided. A CPA-side lock structure of the CPA attachment structure includes a pair of arms provided so as to be bendable in an in-plane direction of a housing outer surface, a CPA-side lock portion which is temporarily locked to a connector-side lock structure and which is released from the temporary locking at a time of fitting. The connector-side lock structure includes a pair of ribs that are arranged to stand according to an arrangement interval of the pair of arms, a temporary lock portion to which the CPA-side lock portion is temporarily locked, and a final lock portion to which the CPA-side lock portion is finally locked.

Abstract: A connector housing includes a connector housing, a cantilever-shaped fit-lock portion disposed on a housing outer surface, and a pair of ribs disposed on the housing outer surface to guide attachment of a CPA member that ensures fitting to a mating connector housing body and to guide final locking of the CPA member. The pair of ribs stands so as to sandwich the fit-lock portion between each other and includes temporary lock portions and final lock portions. The connector housing further includes a rear face wall covering a rear face end of the connector housing body and including an exposure window through which an operation portion of the fit-lock portion and the pair of ribs are exposed to enable operation on the operation portion and attachment of the CPA member.

Abstract: Provided is a nonaqueous electrolyte secondary battery separator which is excellent in withstand voltage property, in conformability to external force, and in liquid retention property. The nonaqueous electrolyte secondary battery separator includes: a porous film containing a polyolefin-based resin as a main component; and a porous layer containing a resin and formed on one surface or both surfaces of the porous film, the porous layer having an air permeability of not more than 500 sec/100 mL in terms of Gurley values and having an open area ratio of not more than 2%.

Abstract: A traveling transmission device of a tractor including a transmission case to which power from an engine is inputted via an input shaft, a speed changer transmission section provided inside the transmission case and configured to input power from the input shaft and to speed-change the inputted power and output it, and a rear wheel differential mechanism provided inside the transmission case and configured to input power outputted from the speed changer transmission section and transmit the inputted power to left and right rear wheels. The speed changer transmission section includes a plurality of speed changer sections configured to speed-change power from the input shaft by a gear coupling mechanism and a multiple-disc clutch and output it, and, inside the transmission case, an oil feeding pipe extends upwardly of the speed changer transmission section and a discharge nozzle connects to respective portions of the plurality of speed changer sections.

Abstract: Provided are a speed changer device, a forward/reverse switchover device for converting output of the speed changer device into forward traveling power and reverse traveling power, a rear wheel differential mechanism for inputting output of the forward/reverse switchover device and transmitting it to rear wheels, and a gear transmission mechanism for transmitting power of an output shaft of the forward/reverse switchover device to an input shaft of the rear wheel differential mechanism. A transmission case is separable into a front case portion accommodating the speed changer device and a rear case portion accommodating the forward/reverse switchover device, the rear wheel differential mechanism and the gear transmission mechanism. The gear transmission mechanism is detachably provided at a portion of the inside of the transmission case which portion corresponds to a front end portion of the rear case portion.

Abstract: There is provided a work vehicle including an oil outlet port and a partition part. The oil outlet port opens to a bottom portion in one end side of a transmission case in a vehicle body front-back direction and a vehicle body left-right direction. The oil outlet port takes out a lubricating oil from an interior of the transmission case. The partition part divided an internal space of the transmission case into a first space zone along a sidewall portion of the transmission case, and a second space zone other than the first space zone. The partition part brings the first space zone into a sealed state.

Abstract: There is provided a work vehicle including a partition wall to keep partition between a first space zone as part of an internal space of the transmission case in which a differential mechanism is located and a second space zone as part of the internal space which is adjacent to the first space zone. An upper space is disposed above the partition wall and configured to allow lubricating oil scooped up from the first space zone by a ring gear to flow in the second space zone. A flow-out path is disposed below the upper space and configured to allow the lubricating oil to flow out of the second space zone to the first space zone.

Abstract: Provided is a method for producing a composition containing a polypeptide with suppressed coloring, the method comprising the steps of (a) culturing eukaryotic cells containing a nucleic acid encoding a polypeptide in a cell culture medium free of vitamin B12; and (b) collecting a composition containing the polypeptide from the culture.

Abstract: A nonaqueous electrolyte secondary battery separator having excellent impact resistance contains a polyolefin porous film. The nonaqueous electrolyte secondary battery separator has a (200) plane peak area ratio R of not less than 0.15; the (200) plane peak area ratio R is a ratio of a peak area I(200) of a diffraction peak on a (200) plane to a peak area I(110) of a diffraction peak on a (110) plane and is calculated from a diffraction intensity profile obtained by wide-angle X-ray diffraction that is carried out by irradiating a surface of the nonaqueous electrolyte secondary battery separator with an X-ray from a direction vertical to the surface of the nonaqueous electrolyte secondary battery separator.

Abstract: A carrier includes a first carrier portion and a second carrier portion. The first carrier portion includes a gear housing space that houses a planetary gear, an opening that opens the gear housing space toward the second carrier portion and allows the planetary gear to fit into the gear housing space, and a first support hole that supports a first end portion of the planetary support shaft. The second carrier portion includes a cover portion that covers the opening, a second support hole that supports a second end portion of the planetary support shaft, and a joining portion that detachably joins the second carrier portion to the first carrier portion. The joining portion is joined to the first carrier portion by being tightened in a direction aligned with a direction of an axial core of a sun gear.