Abstract: Provided is to stabilize a fixed state of each bag body provided at a vehicle seat and configured to expand to push a corresponding one of the shoulders of a seated passenger. Of a seat back provided at the vehicle seat, each shoulder support configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand by injection of air. The air cell includes protrusions extending in a predetermined direction and provided at respective end portions of the air bag in the extending direction thereof. The air cell is attached to the inside of the seat back in such a manner that each of the protrusions provided at respective end portions in the extending direction is fixed to a corresponding one of fixing positions separated from each other in the width direction of the vehicle seat.

Abstract: A vehicle seat includes an ischial tuberosity support device that is driven to change a position of a part of a seat cushion corresponding to ischial tuberosities of a seated person; a sacrum/ilium support device that is driven to change a position of a part of a seat back corresponding to the sacrum and ilia of the seated person; a ninth thoracic vertebra support device that is driven to change a position of a part of the seat back corresponding to a ninth thoracic vertebra of the seated person; and a control device, wherein the control device sequentially executes: an information acquisition step of acquiring physique information of the seated person; a decision step of deciding parameters regarding a driving amount of each of the ischial tuberosity support device, the sacrum/ilium support device, and the ninth thoracic vertebra support device based on the acquired physique information; and an output step of driving the ischial tuberosity support device, the sacrum/ilium support device, and the ninth thorac

Abstract: To provide a vehicle seat with a function of reducing fatigue regardless of the physique of the seated person, a vehicle seat includes: an ischial tuberosity support device that is driven to change a position of a part of a seat cushion corresponding to ischial tuberosities of a seated person; a sacrum/ilium support device that is driven to change a position of a part of a seat back corresponding to the sacrum and ilia of the seated person; a ninth thoracic vertebra support device that is driven to change a position of a part of the seat back corresponding to a ninth thoracic vertebra of the seated person; and a control device, wherein the control device sequentially executes: an information acquisition step of acquiring physique information of the seated person; a decision step of deciding parameters regarding a driving amount of each of the ischial tuberosity support device, the sacrum/ilium support device, and the ninth thoracic vertebra support device based on the acquired physique information; and an out

Abstract: Provided is an ECU device for estimating a length of the lower limbs of a seated person seated on a vehicle seat, the ECU device comprising: a thigh angle information acquisition means for acquiring information pertaining to a thigh angle (?) of the seated person; a back-of-knee angle information acquisition means for acquiring information pertaining to a back-of-knee angle (?) of the seated person; and an estimation means for estimating a length (z) of the lower limbs of the seated person on the basis of the information pertaining to the thigh angle (?) acquired by the thigh angle information acquisition means and the information pertaining to the back-of-knee angle (?) acquired by the back-of-knee angle information acquisition means. Through this configuration, the length of the lower limbs of a seated person seated on a vehicle seat can be accurately estimated.

Abstract: Provided is to stabilize a fixed state of each bag body provided at a vehicle seat and configured to expand to push a corresponding one of the shoulders of a seated passenger. Of a seat back provided at the vehicle seat, each shoulder support configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand by injection of air. The air cell includes protrusions extending in a predetermined direction and provided at respective end portions of the air bag in the extending direction thereof. The air cell is attached to the inside of the seat back in such a manner that each of the protrusions provided at respective end portions in the extending direction is fixed to a corresponding one of fixing positions separated from each other in the width direction of the vehicle seat.

Abstract: A seating posture is stabilized for the shoulders of a passenger seated on a vehicle seat. A vehicle seat is provided with a seat back configured to support the seated person from the rear. A shoulder support portion of the seat back configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand when air is supplied. When the air cell expands, one end portion of the shoulder support portion on the outside in the width direction of the vehicle seat moves more forward than the other end portion of the shoulder support portion on the inside in the width direction.

Abstract: A vehicle seat (11) includes a seat frame (22a) having an opening (46) in a plate-shaped part (43), andan actuator (31) mounted on the plate-shaped part (43). Accordingly, it is possible to provide a vehicle seat that further contributes to quietness in the interior of a vehicle.

Abstract: Provided is to stabilize a fixed state of each bag body provided at a vehicle seat and configured to expand to push a corresponding one of the shoulders of a seated passenger. Of a seat back provided at the vehicle seat, each shoulder support configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand by injection of air. The air cell includes protrusions extending in a predetermined direction and provided at respective end portions of the air bag in the extending direction thereof. The air cell is attached to the inside of the seat back in such a manner that each of the protrusions provided at respective end portions in the extending direction is fixed to a corresponding one of fixing positions separated from each other in the width direction of the vehicle seat.

Abstract: A seating posture is stabilized for the shoulders of a passenger seated on a vehicle seat. A vehicle seat is provided with a seat back configured to support the seated person from the rear. A shoulder support portion of the seat back configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand when air is supplied. When the air cell expands, one end portion of the shoulder support portion on the outside in the width direction of the vehicle seat moves more forward than the other end portion of the shoulder support portion on the inside in the width direction.

Abstract: A vehicle seat (11) includes a seat frame (22a) having an opening (46) in a plate-shaped part (43), and an actuator (31) mounted on the plate-shaped part (43). Accordingly, it is possible to provide a vehicle seat that further contributes to quietness in the interior of a vehicle.

Abstract: An ECU device which estimates a length of a lower limb of a seated person who is seated in a vehicle seat is shown. The ECU device includes the following. A thigh angle information obtainer obtains information regarding a thigh angle of the seated person. A back knee angle information obtainer obtains information regarding a back knee angle of the seated person. An estimator estimates the length of the lower limb of the seated person based on the information regarding the thigh angle obtained by the thigh angle information obtainer and information regarding the back knee angle obtained by the back knee angle information obtainer.

Abstract: To better fulfill a sleep-inducing function for a seated person, a seat device includes a pressing device provided in a seat back and configured to press a back or a waist of a seated person to induce breathing; at least one of a temperature adjusting device configured to change a temperature of a seat cushion and/or the seat back and a shape adjusting device configured to change a surface shape of the seat cushion and/or the seat back; and a controller configured to control the pressing device to press the back or the waist of the seated person at a set cycle corresponding to a breathing cycle of a person at a sleeping time, and control the at least one of the temperature adjusting device and the shape adjusting device.

Abstract: An ECU device which estimates a length of a lower limb of a seated person who is seated in a vehicle seat is shown. The ECU device includes the following. A thigh angle information obtainer obtains information regarding a thigh angle of the seated person. A back knee angle information obtainer obtains information regarding a back knee angle of the seated person. An estimator estimates the length of the lower limb of the seated person based on the information regarding the thigh angle obtained by the thigh angle information obtainer and information regarding the back knee angle obtained by the back knee angle information obtainer.

Abstract: A vehicle seat includes: left and right side frames disposed left and right separately from each other; a first support member disposed between the left and right side frames to support an occupant; and left and right second support members joined to left and right sides of the first support member and having left and right outer sides supported by the side frames to support the occupant in conjunction with the first support member. The first support member is a plate-shaped member, and has left and right ischial region through holes formed in positions corresponding to ischial bones of the occupant. The second support members are located at least partially within front and rear limits defined by an expanse of the ischial region through holes.

Abstract: A vehicle seat (11) includes a seat frame (22a) having an opening (46) in a plate-shaped part (43), and an actuator (31) mounted on the plate-shaped part (43). Accordingly, it is possible to provide a vehicle seat that further contributes to quietness in the interior of a vehicle.

Abstract: A vehicle seat includes a seat frame having an opening in a plate-shaped part, and an actuator mounted on the plate-shaped part. Accordingly, it is possible to provide a vehicle seat that further contributes to quietness in the interior of a vehicle.

Abstract: To provide a vehicle seat with a function of reducing fatigue regardless of the physique of the seated person, a vehicle seat includes: an ischial tuberosity support device that is driven to change a position of a part of a seat cushion corresponding to ischial tuberosities of a seated person; a sacrum/ilium support device that is driven to change a position of a part of a seat back corresponding to the sacrum and ilia of the seated person; a ninth thoracic vertebra support device that is driven to change a position of a part of the seat back corresponding to a ninth thoracic vertebra of the seated person; and a control device, wherein the control device sequentially executes: an information acquisition step of acquiring physique information of the seated person; a decision step of deciding parameters regarding a driving amount of each of the ischial tuberosity support device, the sacrum/ilium support device, and the ninth thoracic vertebra support device based on the acquired physique information; and an out

Abstract: Provided is a conveyance seat including a pelvis support member of which a state or the like is adjusted. The conveyance seat includes the pelvis support member configured to support a portion of an occupant's body where a pelvis is positioned and lumbar supports configured to move the pelvis support member. The pelvis support member includes a seat back side support portion positioned behind a back portion of the occupant, a seat cushion side support portion positioned below buttocks of the occupant, and a connection portion that connects the seat back side support portion and the seat cushion side support portion. The lumbar supports are configured to move the pelvis support member so that a position of at least one of the seat back side support portion, the seat cushion side support portion, and the connection portion is changed with respect to the portion where the pelvis is positioned.

Abstract: A seating posture is stabilized for the shoulders of a passenger seated on a vehicle seat. A vehicle seat is provided with a seat back configured to support the seated person from the rear. A shoulder support portion of the seat back configured to support a corresponding one of the shoulders of the seated passenger includes an air cell configured to expand when air is supplied. When the air cell expands, one end portion of the shoulder support portion on the outside in the width direction of the vehicle seat moves more forward than the other end portion of the shoulder support portion on the inside in the width direction.

Abstract: An ECU device which estimates a length of a lower limb of a seated person who is seated in a vehicle seat is shown. The ECU device includes the following. A thigh angle information obtainer obtains information regarding a thigh angle of the seated person. A back knee angle information obtainer obtains information regarding a back knee angle of the seated person. An estimator estimates the length of the lower limb of the seated person based on the information regarding the thigh angle obtained by the thigh angle information obtainer and information regarding the back knee angle obtained by the back knee angle information obtainer.