A headrest includes a frame made of metal, the frame includes a base plate supported by a headrest fixing device, and a cover plate disposed on an occupant head side of the base plate. The cover plate includes a cover panel portion, and a cover frame portion extending from an outer circumferential edge of the cover panel portion toward the base plate. The base plate includes a base panel portion, and a base frame portion extending from an outer circumferential edge of the base panel portion toward the cover plate, and fitted into the cover frame portion. A first part of the cover frame portion is joined to the base frame portion, and a remaining second part of the cover frame portion is enjoined to the base frame portion.

Seat assemblies and subassemblies are disclosed. The subassemblies include massage and/or ventilation subassemblies that employ tubeless air distribution by fixing sheets together such as by heat-staking. The subassemblies also include a support structure for preassembling the massage, ventilation, and/or electronic components together prior to suspending them in a seat assembly.

Seat assemblies and subassemblies are disclosed. The subassemblies include massage and/or ventilation subassemblies that employ tubeless air distribution by fixing sheets together such as by heat-staking. The subassemblies also include a support structure for preassembling the massage, ventilation, and/or electronic components together prior to suspending them in a seat assembly.

A passenger includes at least one seat component including a first material and at least one additive manufactured component including a second material, the at least one additive manufactured component including a plurality of zones. The at least one additive manufactured component is attached to the at least one seat component. The at least one additive manufactured component includes a lattice structure. Each of the plurality of zones have different physical properties.

A child safety seat includes a seat shell and a buffering part. The seat shell includes a backrest portion and two sidewalls, the backrest portion having a front surface facing forward that is suitable to provide support for a child's back, the two sidewalls being respectively disposed at a left and a right side of the seat shell for restricting sideways movements of a child who sits in the seat shell, one of the two sidewalls having a sidewall portion located in front of the front surface. The buffering part is connected with the seat shell, the buffering part being operable to protrude sideways at an outer side of the sidewall portion.

Provided is a vehicle seat device that includes a headrest to support a head of an occupant seated on a vehicle seat. The vehicle seat device includes a rest operation adjustment mechanism provided on the headrest and to restrict or allow movement of the head of the occupant seated on the vehicle seat and a controller that controls the rest operation adjustment mechanism to allow the movement of the head of the occupant when a frequency of a vibration in a width direction of a vehicle is equal to or larger than a predetermined value.

Provided is a vehicle seat device that includes a headrest to support a head of an occupant seated on a vehicle seat. The vehicle seat device includes a rest operation adjustment mechanism provided on the headrest and to restrict or allow movement of the head of the occupant seated on the vehicle seat and a controller that controls the rest operation adjustment mechanism to allow the movement of the head of the occupant when a frequency of a vibration in a width direction of a vehicle is equal to or larger than a predetermined value.

A vehicle seat device capable of suitably restraining an occupant by means of a seat belt device includes a seat main body having a seat cushion and a seat back, a reclining device connecting the seat back to the seat cushion so as to be pivotable and capable of locking a pivoting motion of the seat back, and a seat belt device for restraining an occupant seated on the seat main body. The seat belt device includes a lap belt restraining the occupant's lumbar or thighs, a belt anchor attached at a position beside the seat main body and having a belt engaging portion engaging with an engaged portion provided in a tip portion of the lap belt, and an anchor moving device capable of moving the belt engaging portion of the belt anchor in a seat front to back direction with respect to the seat main body.

Provided is a vehicle seat device that includes a headrest to support a head of an occupant seated on a vehicle seat. The vehicle seat device includes a rest operation adjustment mechanism provided on the headrest and to restrict or allow movement of the head of the occupant seated on the vehicle seat and a controller that controls the rest operation adjustment mechanism to allow the movement of the head of the occupant when a frequency of a vibration in a width direction of a vehicle is equal to or larger than a predetermined value.

Provided is a vehicle seat device that includes a headrest to support a head of an occupant seated on a vehicle seat. The vehicle seat device includes a rest operation adjustment mechanism provided on the headrest and to restrict or allow movement of the head of the occupant seated on the vehicle seat and a controller that controls the rest operation adjustment mechanism to allow the movement of the head of the occupant when a frequency of a vibration in a width direction of a vehicle is equal to or larger than a predetermined value.