Abstract: Provided is an Aircraft Lavatory Unit 20 that ensures lavatory user comfort while facilitating diaper changing. The Aircraft Lavatory Unit 20 includes a Diaper Changing Table 10 on which an infant can be placed and which can be selectively changed between a Housed State in which the Diaper Changing Table 10 is housed in a Wall Surface and a Pulled-Out State in which the Diaper Changing Table 10 is pulled out from the Wall Surface; and a display 25 which is disposed to face the Diaper Changing Table 10 in the Pulled-Out State and display still images or videos.

Abstract: The handle attachment includes a base portion that can be attached to a portion of a wall surface of a door, a flap portion that applies, as a result of a pulling operation, a pulling force to the door via the base portion, a flap rotation mechanism that rotatably connects the flap portion with respect to the base portion around a rotation axis, and a biasing member that biases the flap portion in a first rotation direction around the rotation axis with respect to the base portion. The flap portion includes a base end portion connected to the flap rotation mechanism and a distal end portion arranged at a position away from the flap rotation mechanism. The first rotation direction is a direction in which the distal end portion of the flap portion separates from the wall surface of the door.

Abstract: Provided is an aircraft seat that enhances passenger comfort and reduces the burden on cabin attendants. The aircraft seat includes a base with a relatively movable seat portion and a backrest portion; an actuator for relatively moving the seat portion and the backrest portion; a biometric sensor installed on the base and configured to obtain biometric information of a passenger; a plurality of elastic members installed on the base; a modification device configured to change an elastic force of at least one elastic member, and a control device, wherein the control device operates the actuator or the modification device in response to a signal from the biometric sensor.

Abstract: Provided is a method for cleaning a rolling bearing and a rolling bearing cleaning device capable of cleaning a rolling bearing easily in a short time. The method for cleaning a rolling bearing including a plurality of rolling elements and a race provided with a race groove along which the rolling elements roll involves arranging a cleaning liquid in a pressurized state on one side in an axial direction of the rolling bearing across a whole circumference thereof with respect to a gap between the rolling elements and the race groove, and cleaning the rolling bearing by passing the cleaning liquid through the gap from one side in the axial direction toward the gap on the other side thereof.

Abstract: A seat unit and a lower structure thereof that are not restricted in their positional relationship with seat tracks provided in advance in the airframe. One representative seat unit of the present invention and the lower structure thereof includes a hollow structure integrally formed using a composite member. The hollow structure is hollow in a front direction of the seat unit. The hollow structure has a quadrilateral shape in the front direction of the seat unit. In addition, a partition plate is disposed in the hollow structure. Furthermore, the lower structure includes attachment points to an aircraft at three locations on its bottom. In addition, a block is embedded in the composite member at the attachment point, and a thickness of the composite member around a bracket coupled to the block is less than thickness at other locations.

Abstract: Provided is an aircraft seat structure capable of ensuring passenger comfort and effectively utilizing space in the cabin. The aircraft seat structure includes a first seat unit having a first seat region in which passengers are able to sit, and a first side region adjacent in a direction perpendicular to a longitudinal direction of the first seat region; and a second seat unit having a second seat region in which passengers are able to sit, and a second side region adjacent in a direction perpendicular to a longitudinal direction of the second seat region. The first side region is provided on one side of the first seat region along a direction that intersects a traveling direction of an aircraft, and the second side region is provided on another side of the second seat region along the direction that intersects the traveling direction of the aircraft. The first side region and the second seat region are joined in a state in which a portion of the second seat region is inserted into the first side region.

Abstract: The aircraft seat unit includes a first seat 13, a second seat 14, an intermediate portion 15 disposed between the first seat 13 and the second seat 14, and a front wall 11 adjacent to the intermediate portion 15. An axis line X1 of the first seat 13 and an axis line X2 of the second seat 14 are respectively disposed at angles that are oriented in mutually opposite directions with respect to a traveling direction. The intermediate portion 15 is disposed in a space between the first set and the second seat and is capable of supporting a load of a bassinet 30 placed thereon. The front wall 11 includes engagement holes 11e that detachably engage with engagement portions 32 of the bassinet 30.

Abstract: An object of the present invention is to provide a seat unit structure, a seat unit, and an attachment method thereof in which component reinstallation does not arise when the seat unit is attached in an aircraft. One representative seat unit structure according to the present invention relates to a seat unit structure configured to support a seat, wherein the structure has a lower structure having a monocoque structure and defines an outermost shell in at least one direction of the seat unit. That is, the member mounted in the one direction of the seat unit can be stored inside the outermost shell of the structure. In addition, the one direction is the width direction of the airframe.

Abstract: A seat unit for an aircraft that can be directly fixed at three points to a seat track provided on the floor of the aircraft. One representative seat unit and attachment method thereof relates to a seat unit comprising a lower structure of the seat unit and three fixtures configured to attach the lower structure directly to a pair of seat tracks of a mobile body, wherein the three fixtures include a lateral position adjustment member configured to laterally adjust a fitting position with the pair of seat tracks, a first fixture is fixed to one of the pair of seat tracks, a second fixture is fixed to one of the pair of seat tracks at a point separated from the first fixture, and a third fixture is fixed to another one of the pair of seat tracks at a corresponding portion between the first fixture and the second fixture.

Abstract: The invention provides a rear side shell structure in the form of a back covering that can be attached to a lower structure of a seat without support legs. One representative rear side shell structure and seat unit according to the invention relates to a rear side shell structure for covering a back of a seat, the rear side shell structure including a front surface member and a rear surface member, wherein a reinforcing region in which a space reinforcing member is provided between the front surface member and the rear surface member is provided in a portion of the rear side shell structure, and the front surface member and the rear surface member are directly joined to each other except for in the reinforcement region. Further, the front surface member and the rear surface member are formed of composite members. Also, the space reinforcing member has a honeycomb structure.

Abstract: In order to provide an aircraft seat unit and an aircraft seat unit assembly capable of meeting various passenger requirements, an aircraft seat unit is provided with a seat portion including a first buttocks support layer and a second buttocks support layer, and a backrest portion. The seat portion is configured to be capable of changing states between a short seat portion state and a long seat portion state. The first buttocks support layer configured to support the buttocks of a passenger in the short seat portion state is harder than the second buttocks support layer configured to support the buttocks of the passenger in the long seat portion state.

Abstract: A composite material component manufacturing method including a first thermoforming step for creating a first three-dimensional prepreg sheet by thermoforming a thermoplastic first prepreg sheet into a three dimensional shape, a laminate body creating step for creating a prepreg sheet laminate body by layering the first three-dimensional prepreg sheet and a second prepreg sheet; and a laminate body molding step for molding the prepreg sheet laminate body by applying heat and a pressing force to the prepreg sheet laminate body with a pressing device.

Abstract: A seat unit for an aircraft that can be directly fixed at three points to a seat track provided on the floor of the aircraft. One representative seat unit and attachment method thereof relates to a seat unit comprising a lower structure of the seat unit and three fixtures configured to attach the lower structure directly to a pair of seat tracks of a mobile body, wherein the three fixtures include a lateral position adjustment member configured to laterally adjust a fitting position with the pair of seat tracks, a first fixture is fixed to one of the pair of seat tracks, a second fixture is fixed to one of the pair of seat tracks at a point separated from the first fixture, and a third fixture is fixed to another one of the pair of seat tracks at a corresponding portion between the first fixture and the second fixture.

Abstract: An object of the present invention is to provide a seat unit structure, a seat unit, and an attachment method thereof in which component reinstallation does not arise when the seat unit is attached in an aircraft. One representative seat unit structure according to the present invention relates to a seat unit structure configured to support a seat, wherein the structure has a lower structure having a monocoque structure and defines an outermost shell in at least one direction of the seat unit. That is, the member mounted in the one direction of the seat unit can be stored inside the outermost shell of the structure. In addition, the one direction is the width direction of the airframe.

Abstract: An object of the present invention is to provide a seat unit and a lower structure thereof that are not restricted in their positional relationship with seat tracks provided in advance in the airframe. One representative seat unit of the present invention and the lower structure thereof includes a hollow structure integrally formed using a composite member. The hollow structure is hollow in a front direction of the seat unit. The hollow structure has a quadrilateral shape in the front direction of the seat unit. In addition, a partition plate is disposed in the hollow structure. Furthermore, the lower structure includes attachment points to an aircraft at three locations on its bottom. In addition, a block is embedded in the composite member at the attachment point, and a thickness of the composite member around a bracket coupled to the block is less than thickness at other locations.

Abstract: The invention provides a rear side shell structure in the form of a back covering that can be attached to a lower structure of a seat without support legs. One representative rear side shell structure and seat unit according to the invention relates to a rear side shell structure for covering a back of a seat, the rear side shell structure including a front surface member and a rear surface member, wherein a reinforcing region in which a space reinforcing member is provided between the front surface member and the rear surface member is provided in a portion of the rear side shell structure, and the front surface member and the rear surface member are directly joined to each other except for in the reinforcement region. Further, the front surface member and the rear surface member are formed of composite members. Also, the space reinforcing member has a honeycomb structure.

Abstract: A composite material component manufacturing method includes a molding step of applying, by a pressing device, heat and pressure to a prepreg to mold the prepreg, and a transfer step of transferring the prepreg. The transfer step includes moving the prepreg together with the pressing device in a state in which a pressing force is applied to the prepreg by the pressing device.