Abstract: An image-forming apparatus includes a main body, a drive source, an image forming section, a coupling and an interlocking mechanism. The image forming section includes a trigger part and a belt unit including: a belt; and a drive roller and a follow roller opposing each other in a first direction perpendicular to an axial direction of the drive roller. The belt is stretched over the drive roller and the follow roller to extend in the first direction. The coupling includes a movable part movable between a transmitting position transmitting a drive force from the drive source to the drive roller and an interrupting position interrupting transmission of the drive force from the drive source to the drive roller. The interlocking mechanism is configured to interlock movement of the movable part between the transmitting position and the interrupting position with movement of the trigger part.

Abstract: An image forming apparatus including a driving source, a planetary gear mechanism including first, second and third elements, a rotation restraint member configured to switch the planetary gear mechanism between a locked state where rotation of the second element is locked and a released state where the second element is capable of rotating, and a switching mechanism configured to switch the planetary gear mechanism between a first state where any two elements of the first, second and third elements are separated and a second state where the two elements are coupled, wherein the third element is configured to rotate in a first direction when the planetary gear mechanism is in the locked state and first state and to rotate in a second direction opposite to the first direction when the planetary gear mechanism is in the released state and second state.

Abstract: A belt conveying device includes: a first roller, a second roller, a belt, a rotatable assembly, and a frame. The first roller has an axis extending in an axial direction. The first roller has a first end portion on a first side in the axial direction and a second end portion on a second side opposite to the first side in the axial direction. The belt is configured to be looped taut around the first roller and the second roller. The rotatable assembly has a first gear and is provided at the first end portion. The rotatable assembly is configured to provide a first position to engage with the first roller and to rotate and a second position to be disengaged from the first roller. The frame has a second gear arranged in a prescribed direction. The second gear engages with the first gear.

Abstract: A spectroscopic unit and spectroscopic device according to the present invention are provided with a filter that is provided with a plurality of optical filter elements disposed in order from the entrance side to the exit side of light under measurement and has different transmission wavelengths corresponding to entrance positions along a first direction. A first optical filter element from among the plurality of optical filter elements is tilted with respect to a second optical filter element disposed adjacently to the first optical filter element as a result of the first optical filter element being rotated by a prescribed angle with a third direction that is perpendicular to both the first direction and s second direction from the entrance side to the exit side as the axis of rotation thereof or being rotated by a prescribed angle with the first direction as the axis of rotation thereof.

Abstract: An image-forming apparatus includes a main body, a belt unit detachably attachable to the main body, a coupling and a first restricting part. The belt unit includes: a first roller defining an axis extending in an axial direction, a second roller opposing the first roller in a first direction perpendicular to the axial direction, and a belt looped over the first roller and the second roller. The coupling is configured to move in the axial direction to come into engagement with the first roller for inputting a drive force into the first roller. The first restricting part is provided on the main body and is configured to restrict the first roller from moving in a second direction perpendicular to the axial direction and the first direction when the belt unit is attached to the main body.

Abstract: An illumination device is provided with a light source, a photodetector, and a support structure. The light source, which emits light, has light distribution in which a reference axis serves as an axis of symmetry or light distribution in which a plane including the reference axis serves as a plane of symmetry. A first light beam in the light is guided to the object to be illuminated. A second light beam in the light is guided to the photodetector. The photodetector detects intensity of the second light beam. The light source and the photodetector are supported by the support structure in positions and postures that allow the first light beam and the second light beam to be guided in an aforementioned manner. A traveling direction of the first light beam and a traveling direction of the second light beam make the same angle with the reference axis.

Abstract: A vehicle cover apparatus includes: cover members arranged to be extended over a bed provided on a rear side of a cab and movable in a front-rear direction; and a support unit capable of supporting the respective cover members in an extended state of being arranged to be extended over the bed and in a retracted state of being retracted to a rear side of a roof of the cab. A top surface of the cover members in the retracted state is disposed at the same elevation in a vehicle height direction as a top surface of a rear-end section of the roof which is positioned on the rear roof side of the cab or is disposed lower than the top surface of the rear-end section and, along with the top surface of the roof of the cab, causes a continuous flow path of an air current to be formed.

Abstract: A spoiler device for a vehicle includes a rear spoiler including an airflow controlling surface that is configured to continue to a roof surface and configured to be provided at a roof end, and an air duct including an air inlet opening to the airflow controlling surface and being formed penetrating through the rear spoiler, the air duct including an air outlet positioned in vicinity to an edge portion of the rear spoiler in a vehicle width direction, the air duct configured to guide an airflow at a vehicle top surface to a border portion between a vehicle rear side and a vehicle lateral side.

Abstract: A belt unit including an endless belt, a first roller, a second roller, and a guiding member is provided. The guiding member includes a groove, in which a guided section of the endless belt is set, and the groove includes a first face and a second face. The first face is formed to have a first parting line extending in a direction to intersect with a central axis. The first face includes a first part in a frontward range and a second part in a rearward range with respect to the first parting line along a rotating direction of the guiding member. The first face has a first gap between the first part and the second part to form the first part in a position closer to the second face with respect to the second part.

Abstract: A belt unit, including an endless belt, a first roller, a second roller, and a guiding member, is provided. The endless belt includes a belt strip and a guided section protruding from an inner circumferential surface of the belt strip. The guiding member with a groove is arranged on one of axial-end sides of the first roller coaxially with the first roller. The guided section of the endless belt is set in the groove. The groove includes a first face and a second face facing each other along a direction in parallel with a central axis of the first roller. The guiding member includes a first piece containing the first face and a second piece containing the second face. The first face protrudes outwardly with respect to the inner circumferential surface of the belt strip.

Abstract: An illumination device is provided with a light source, a photodetector, and a support structure. The light source, which emits light, has light distribution in which a reference axis serves as an axis of symmetry or light distribution in which a plane including the reference axis serves as a plane of symmetry. A first light beam in the light is guided to the object to be illuminated. A second light beam in the light is guided to the photodetector. The photodetector detects intensity of the second light beam. The light source and the photodetector are supported by the support structure in positions and postures that allow the first light beam and the second light beam to be guided in an aforementioned manner. A traveling direction of the first light beam and a traveling direction of the second light beam make the same angle with the reference axis.

Abstract: An image-forming apparatus includes a main body, a drive source, an image forming section, a coupling and an interlocking mechanism. The image forming section includes a trigger part and a belt unit including: a belt; and a drive roller and a follow roller opposing each other in a first direction perpendicular to an axial direction of the drive roller. The belt is stretched over the drive roller and the follow roller to extend in the first direction. The coupling includes a movable part movable between a transmitting position transmitting a drive force from the drive source to the drive roller and an interrupting position interrupting transmission of the drive force from the drive source to the drive roller. The interlocking mechanism is configured to interlock movement of the movable part between the transmitting position and the interrupting position with movement of the trigger part.

Abstract: An image forming apparatus including a driving source, a planetary gear mechanism including first, second and third elements, a rotation restraint member configured to switch the planetary gear mechanism between a locked state where rotation of the second element is locked and a released state where the second element is capable of rotating, and a switching mechanism configured to switch the planetary gear mechanism between a first state where any two elements of the first, second and third elements are separated and a second state where the two elements are coupled, wherein the third element is configured to rotate in a first direction when the planetary gear mechanism is in the locked state and first state and to rotate in a second direction opposite to the first direction when the planetary gear mechanism is in the released state and second state.

Abstract: A spoiler device for a vehicle includes a rear spoiler including an airflow controlling surface that is configured to continue to a roof surface and configured to be provided at a roof end, and an air duct including an air inlet opening to the airflow controlling surface and being formed penetrating through the rear spoiler, the air duct including an air outlet positioned in vicinity to an edge portion of the rear spoiler in a vehicle width direction, the air duct configured to guide an airflow at a vehicle top surface to a border portion between a vehicle rear side and a vehicle lateral side.

Abstract: An image-forming apparatus includes a main body, a belt unit detachably attachable to the main body, a coupling and a first restricting part. The belt unit includes: a first roller defining an axis extending in an axial direction, a second roller opposing the first roller other in a first direction perpendicular to the axial direction, and a belt looped over the first roller and the second roller. The coupling is configured to move in the axial direction to come into engagement with the first roller for inputting a drive force into the first roller. The first restricting part is provided on the main body and is configured to restrict the first roller from moving in a second direction perpendicular to the axial direction and the first direction when the belt unit is attached to the main body.

Abstract: A rolled aluminum alloy material is provided with excellent strength and press workability and with which a poor and patchy appearance is less likely to occur after the alumite treatment. The rolled aluminum alloy material can be utilized for components of a bicycle crank. The rolled aluminum alloy material has a component composition comprising 0.6-1.4 wt % of Mg, 0.3-1.0 wt % of Si, 0.1-0.5 wt % of Cu, 0.02-0.4 wt % of Cr, and 0.1-0.6 wt % of Mn, and Al and inevitable impurities as the remainder.

Abstract: An image forming apparatus includes an endless belt, an image forming unit configured to form an image on the recording medium conveyed by the endless belt, a guide surface configured to guide a first surface of the recording medium to the endless belt, a pressing portion configured to press a center portion, in a width direction perpendicular to a conveyance direction, of a leading end of the recording medium from a second surface toward the guide surface, a moving portion disposed upstream relative to the pressing portion in the conveyance direction and configured to contact the recording medium and move according to a pressing force to be applied from the recording medium, and a transmission portion configured to transmit movement of the moving portion to the pressing portion and reduce a pressing force of the pressing portion in accordance with the movement of the moving portion.

Abstract: Provided is a detection apparatus that detects a mark with a periodic structure and includes an illumination optical system configured to irradiate light on the mark; a light receiving optical system configured to receive a diffracted light from the mark when a relative position between the illumination optical system and the mark is changed in the measurement direction; and a photodetector configured to detect the diffracted light from the light receiving optical system. Here, a numerical aperture of the light receiving optical system in the measurement direction is larger than a numerical aperture of the light receiving optical system in the non-measurement direction in the plane on which the mark is formed.

Abstract: Provided is a vehicle rear spoiler device to be mounted on a rear side of a roof of a vehicle. The vehicle rear spoiler device includes a wall surface for forming an air flow path between the wall surface and a rear window glass of the vehicle. A part of an air current moving rearward along a roof surface of the roof during traveling is caused to pass through the air flow path as a downward current toward the rear window glass. The wall surface is formed to gradually widen the air flow path in a manner that an outflow width of an outlet on the rear window glass side in the air flow path is larger than an inflow width of an inlet on the roof side in the air flow path.

Abstract: A belt conveying device includes: a first roller; a second roller; a belt; a rotatable assembly; and a frame. The first roller has an axis extending in an axial direction. The first roller has a first end portion on a first side in the axial direction and a second end portion on a second side opposite to the first side in the axial direction. The belt is configured to be looped taut around the first roller and the second roller. The rotatable assembly has a first gear and is provided at the first end portion. The rotatable assembly is configured to provide a first position to engage with the first roller and to rotate and a second position to be disengaged from the first roller. The frame has a second gear arranged in a prescribed direction. The second gear engages with the first gear.