Abstract: A liquid container includes a storage portion, a stopper, and a plate. The storage portion is a flexible member storing a liquid. The storage portion includes a surface extending in a longitudinal direction and a lateral direction. The longitudinal direction and the lateral direction intersect a predetermined direction. The stopper is provided in a first end portion of the storage portion, of the first end portion and a second end portion that are both end portions in the longitudinal direction of the storage portion. The plate fixed to the surface. At least one of both end portions of the plate in the longitudinal direction includes a protrusion portion. The protrusion portion protrudes in a separating direction, of the longitudinal direction, in which the protrusion portion separates from the storage portion.

Abstract: A printer includes a feeding portion for feeding a print medium in a first direction, an ejection portion for ejecting liquid, a carriage, a guide shaft, a rail member, a first pressing portion, an eccentric member, a regulating portion, and a prohibition portion. The carriage includes the ejection portion and reciprocates in a second direction which is orthogonal to the first direction. The guide shaft extends in the second direction and supports the carriage. The rail member is disposed facing the guide shaft. The first pressing portion presses a first surface of the rail member. The eccentric member has a rotating shaft portion and an eccentric shaft portion that is eccentric with respect to the rotating shaft portion. The regulating portion comes into contact with a second surface of the rail member, and regulates movement of the carriage. The prohibition portion prohibits rotation of the rotating shaft portion.

Abstract: A printer includes a feeding portion for feeding a print medium in a first direction, an ejection portion for ejecting liquid, a carriage, a guide shaft, a rail member, a first pressing portion, an eccentric member, a regulating portion, and a prohibition portion. The carriage includes the ejection portion and reciprocates in a second direction which is orthogonal to the first direction. The guide shaft extends in the second direction and supports the carriage. The rail member is disposed facing the guide shaft. The first pressing portion presses a first surface of the rail member. The eccentric member has a rotating shaft portion and an eccentric shaft portion that is eccentric with respect to the rotating shaft portion. The regulating portion comes into contact with a second surface of the rail member, and regulates movement of the carriage. The prohibition portion prohibits rotation of the rotating shaft portion.

Abstract: A printer feeds a print medium in a first direction. A carriage reciprocates an ejection portion in a second direction orthogonal to the first direction. A side wall portion of a frame body has a first surface which is an external surface on a first side of the frame body, extending toward a third direction along liquid ejection. An upper wall of the frame body has a second surface which is an external surface on the first side of the frame body, extending toward the first side from an end portion of the side wall portion on a side of fourth direction opposite to the third direction. An object member having a pattern indicating a position of the carriage in the second direction extends further to the first side than the first surface and further to the third direction side than an opening portion formed on the second surface.

Abstract: A printer feeds a print medium in a first direction. A carriage reciprocates an ejection portion in a second direction orthogonal to the first direction. A side wall portion of a frame body has a first surface which is an external surface on a first side of the frame body, extending toward a third direction along liquid ejection. An upper wall of the frame body has a second surface which is an external surface on the first side of the frame body, extending toward the first side from an end portion of the side wall portion on a side of fourth direction opposite to the third direction. An object member having a pattern indicating a position of the carriage in the second direction extends further to the first side than the first surface and further to the third direction side than an opening portion formed on the second surface.

Abstract: A printer includes a guide shaft, a rail member, print head units, a carriage and a first pressing portion. The first pressing portion includes a first contact member, a first support shaft, a first arm member and a first urging member. The first contact member comes into contact with a first end portion. The first support shaft is disposed between a position facing one of the two support portions in a rail-side end portion and a position facing the other support portion. The first support shaft stands in a fourth direction opposite to a third direction in which an ejection portion ejects liquid. The first arm member swings around the first support shaft, and supports the first contact member on a swinging end side. The first urging member urges the first arm member in a direction in which the first contact member comes into contact with the first end portion.

Abstract: An inkjet printer printing includes a cartridge mounting portion in which a ink cartridge can be inserted, and a detection portion including a detection switch having a leading end portion and detecting whether the ink cartridge is inserted in the cartridge mounting portion in accordance with a displacement amount of the leading end portion, the leading end portion being penetratingly supported via a first elastic member so as to be displaceable such that the leading end portion protrudes to the outside, and a protruding portion provided on the leading end portion side of the detection switch via a second elastic member so as to be displaceable and protrudes toward the cartridge mounting portion, the second elastic member having an elastic modulus that is smaller than an elastic modulus of the first elastic member and causing the first elastic member to be deformed when the second elastic member is deformed.

Abstract: An inkjet printer printing includes a cartridge mounting portion in which a ink cartridge can be inserted, and a detection portion including a detection switch having a leading end portion and detecting whether the ink cartridge is inserted in the cartridge mounting portion in accordance with a displacement amount of the leading end portion, the leading end portion being penetratingly supported via a first elastic member so as to be displaceable such that the leading end portion protrudes to the outside, and a protruding portion provided on the leading end portion side of the detection switch via a second elastic member so as to be displaceable and protrudes toward the cartridge mounting portion, the second elastic member having an elastic modulus that is smaller than an elastic modulus of the first elastic member and causing the first elastic member to be deformed when the second elastic member is deformed.

Abstract: A cleaner unit to clean an inkjet head, ejecting ink onto a recording medium, and an ink conveyer tube, conveying the ink to the inkjet head, of an inkjet printer in cleaning liquid, is provided. The cleaner unit includes an air-liquid two-phased cleaner conveyer tube, which conveys air-liquid two-phased cleaner, and a cleaner spout, which is connected to an upstream-side end of the ink conveyer tube and to a downstream-side end of the air-liquid two-phased cleaner conveyer tube with respect to a fluid flow, and through which the air-liquid two-phased cleaner is supplied to the ink conveyer tube.

Abstract: An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.

Abstract: A cleaner unit to clean an inkjet head, ejecting ink onto a recording medium, and an ink conveyer tube, conveying the ink to the inkjet head, of an inkjet printer in cleaning liquid, is provided. The cleaner unit includes an air-liquid two-phased cleaner conveyer tube, which conveys air-liquid two-phased cleaner, and a cleaner spout, which is connected to an upstream-side end of the ink conveyer tube and to a downstream-side end of the air-liquid two-phased cleaner conveyer tube with respect to a fluid flow, and through which the air-liquid two-phased cleaner is supplied to the ink conveyer tube.

Abstract: An image reading apparatus includes an integral scanning optical unit in which a light source device for illuminating an original placed on an original table, a plurality of mirrors for reflecting a light beam from the original and an imaging optical system for imaging the light beam reflected by the mirrors, upon a reading device, are integrally accommodated, wherein at least one mirror is so configured that the light beam is incident thereon twice or more, wherein, in a sub-scan section, reflection surfaces of the mirrors are disposed in a space at an original-reading-position side of a light entrance surface of the imaging optical system, and wherein the reflection surface of a mirror disposed at a position optically closest to the light entrance surface of the imaging optical system is placed at a position furthermost from the original table with respect to a direction of a normal thereto, as compared with the reflection surfaces of the remaining mirrors.

Abstract: An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.

Abstract: An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off-axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.

Abstract: An image reading apparatus includes an integral scanning optical unit in which a light source device for illuminating an original placed on an original table, a plurality of mirrors for reflecting a light beam from the original and an imaging optical system for imaging the light beam reflected by the mirrors, upon a reading device, are integrally accommodated, wherein at least one mirror is so configured that the light beam is incident thereon twice or more, wherein, in a sub-scan section, reflection surfaces of the mirrors are disposed in a space at an original-reading-position side of a light entrance surface of the imaging optical system, and wherein the reflection surface of a mirror disposed at a position optically closest to the light entrance surface of the imaging optical system is placed at a position furthermost from the original table with respect to a direction of a normal thereto, as compared with the reflection surfaces of the remaining mirrors.

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.

Abstract: To provide a compact imaging optical system in which occurrence of an asymmetrical aberration is reduced and the optical performance is not deteriorated significantly by constituting the system by off-axial reflection surfaces, and an image reading apparatus using the same. The imaging optical system of the present invention is characterized in that, in the imaging optical system for imaging image information of an object surface on a line sensor, all of a plurality of reflection surfaces existing in an optical path from the original surface to the line sensor are off-axial reflecting surfaces.

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.

Abstract: Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.