Abstract: A seat for vehicles includes: a seat back frame; and a pressure receiving member that is mounted on the seat back frame to support a back of an occupant. The seat back frame includes a lower seat back frame and an upper seat back frame mounted on an upper portion of the lower seat back frame in a forwardly and rearwardly swingable manner, and the pressure receiving member is disposed from an area corresponding to the shoulder of an occupant to an area corresponding to the waist of the occupant and is supported by the upper seat back frame.

Abstract: A seat for vehicles includes: a seat back frame; and a shoulder and back supporting member that is mounted on the seat back frame to support a back of an occupant.

Abstract: A vehicle seat assembly includes a seat cushion having a connector insertion hole for receiving therein a connector of a child seat for attachment of the child seat to the seat assembly, and a buckle insertion slit for allowing a buckle to be pulled out onto the seat cushion. The buckle insertion slit and the connector insertion hole are formed contiguously or otherwise integrally with each other.

Abstract: A vehicle seat assembly includes a side support capable of supporting a side portion of the torso of an occupant seated in the seat. The seat has a seatback capable of being tilted up or down relative to a seat cushion. A support shaft extending from a lateral surface part of the seatback in a widthwise direction toward an outside of a vehicle is rotatably supported by a bracket. A spring for urging the seatback in a forward-tilting direction is disposed between the support shaft and the bracket. The bracket and the spring are positioned proximately to a rear surface part of the side support.

Abstract: A vehicle seat assembly includes a seat cushion having a connector insertion hole for receiving therein a connector of a child seat for attachment of the child seat to the seat assembly, and a buckle insertion slit for allowing a buckle to be pulled out onto the seat cushion. The buckle insertion slit and the connector insertion hole are formed contiguously or otherwise integrally with each other.

Abstract: A vehicle seat assembly includes a side support capable of supporting a side portion of the torso of an occupant seated in the seat. The seat has a seatback capable of being tilted up or down relative to a seat cushion. A support shaft extending from a lateral surface part of the seatback in a widthwise direction toward an outside of a vehicle is rotatably supported by a bracket. A spring for urging the seatback in a forward-tilting direction is disposed between the support shaft and the bracket. The bracket and the spring are positioned proximately to a rear surface part of the side support.