Abstract: A vehicle seat comprises: left and right base frames (side portions 52, 53 of pipe frame 5) which extend in an upward-and-downward direction and constitute left and right portions of a seat back frame (2); a pressure-receiving member (10) disposed between the left and right base frames, and configured to move rearward upon receipt of a rearward load of a predetermined magnitude or greater from an occupant; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of one base frame (side portion 53), and configured to receive a load from outside in a lateral direction; and a load transmission part (lower portion 51 of pipe frame 5) disposed under the pressure-receiving member (10), connected to a lower end of the one base frame, and configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided.

Abstract: A vehicle seat comprises: a base frame (side frames 4, pipe frame 5) which constitutes left and right lower portions of a seat back frame; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of the base frame, and configured to receive a load from outside in a lateral direction; and a load transmission part (lower portion 51 and lower frame) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member has a shape with a closed cross section, and a portion of at least one of the front wall and the rear wall (front wall 81) separate from upper and lower ends thereof provides an uneven shape (recessed portions 81a).

Abstract: A vehicle seat comprises: left and right base frames (side portions 52, 53 of a pipe frame 5) which constitute left and right portions of a seat back frame (2); a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of one base frame (side portion 53), and configured to receive a load from outside in a lateral direction; and a load transmission part (a lower frame 6 and a lower portion 51 of the pipe frame 5) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member has a shape with a closed cross section, and has an input-side end portion (7a) and an output-side end portion (7b), such that the input-side end portion stretches out in at least one of upward, downward, frontward and rearward directions wider than the output-side end portion.

Abstract: The present invention provides a vehicle seat including: a seatback frame that includes a pair of an outer side frame portion and an inner side frame portion and a lower frame portion; a tilting shaft that supports the seatback frame at a position below the lower frame portion; and a first load transfer block that transfers an impact load input from a side portion of the vehicle body to the seatback frame, wherein the vehicle seat further includes a plate-shaped rigid member of which an upper end is connected to the lower frame portion and an inner end in the vehicle width direction is connected to the inner side frame portion in the vehicle width direction, and wherein a lower edge of the plate-shaped rigid member extends to at least a height position of the tilting shaft.

Abstract: The present invention provides a vehicle seat including: a seatback frame that includes a pair of an outer side frame portion and an inner side frame portion and a lower frame portion; a tilting shaft that supports the seatback frame at a position below the lower frame portion; and a first load transfer block that transfers an impact load input from a side portion of the vehicle body to the seatback frame, wherein the vehicle seat further includes a plate-shaped rigid member of which an upper end is connected to the lower frame portion and an inner end in the vehicle width direction is connected to the inner side frame portion in the vehicle width direction, and wherein a lower edge of the plate-shaped rigid member extends to at least a height position of the tilting shaft.

Abstract: A vehicle seat comprises: left and right side frames (4) which constitute left and right lower portions of a seat back frame (2); an inner frame (pipe frame 5) disposed adjacent to a laterally inner side of one of the side frames (4); a force-receiving member (bracket 7) disposed adjacent to a laterally outer side of the one of the side frames (4), provided discretely from the inner frame, and configured to receive a load from outside in a lateral direction; and a load transmission part (lower frame 6 and lower portion 51 of the pipe frame 5) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member is directly fixed to the inner frame.

Abstract: A vehicle seat comprises: a base frame (side frame 4, pipe frame 5) which constitutes at least left and right lower portions of a seat back frame; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of the base frame, and configured to receive a load from outside in a lateral direction; and a load transmission part configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided, wherein the force-receiving member has a shape with a closed cross section, and a portion of at least one of an upper wall (72) and a lower wall (74) separate from front and rear ends thereof provides an uneven shape (stepped profile 72a, 74a).

Abstract: A seat back frame for the vehicle seat, includes a pair of side frames that are disposed on both sides in a seat width direction; and a supporting plate that has both ends connected to a bottom section of each of the side frames, wherein the supporting plate is at least disposed along an interval between a first height that corresponds to an upper part of a lumbar vertebra of an occupant seated in the seat and a second height that corresponds to a lower part of the lumbar vertebra, and curves in a manner such that, in a cross-section along with a vertical direction, the supporting plate bulges forward along a line from the first height to the second height.

Abstract: A vehicle seat of the present invention includes: a seatback frame which has side frame sections on both sides thereof in a seat width direction; a load transmission member which projects toward an outside in the seat width direction from one of the side frame sections and transmits an impact load input from a side of a vehicle body to the seatback frame; and a side airbag device which is provided with an inflator which generates a gas when the impact load is input and a folded bag body to be deployed when the pressure of the gas is received. The inflator is attached to the load transmission member or the side frame section, and the bag body is disposed at a position which is further outside than a gas discharge port of the inflator in the seat width direction and is opposed to a surface facing the vehicle front side of the load transmission member.

Abstract: A seat back frame for a seat of a vehicle includes: a pair of side frames placed at a left side and a right side in a width direction of a seat; a head rest supporting frame supporting a head rest; a supporting plate, a both ends of the supporting plate being connected to a lower portion of each of the side frames; an upper opening provided above the supporting plate, the upper opening being opened in a front-rear direction; a planar elastic body provided across the upper opening; and a connection member elastically connecting a lower portion of the planar elastic body and an upper portion of the supporting plate.

Abstract: A vehicle seat includes: a seat back frame that is provided with a pair of side frame portions that are located on both left and right sides in the seat transverse direction; an outer-side load transmitting block that is located further to an outer side in the transverse direction of the seat back frame than the side frame portion of the seat back frame, and that transmits an impact load that is input from a side of the vehicle body to the seat back frame; a protruding portion that protrudes from a side surface of the side frame portion on the outer side in the transverse direction of the seat back frame towards the outer side in the transverse direction of the seat back frame; a side airbag apparatus that is located on a front surface of the protruding portion; and an engaging portion that is formed in the outer-side load transmitting block, and that receives the protruding portion.

Abstract: A vehicle seat includes: a seat back frame that is provided with a pair of side frame portions that are located on both left and right sides in the seat transverse direction; an outer-side load transmitting block that is located further to an outer side in the transverse direction of the seat back frame than the side frame portion of the seat back frame, and that transmits an impact load that is input from a side of the vehicle body to the seat back frame; a protruding portion that protrudes from a side surface of the side frame portion on the outer side in the transverse direction of the seat back frame towards the outer side in the transverse direction of the seat back frame; a side airbag apparatus that is located on a front surface of the protruding portion; and an engaging portion that is formed in the outer-side load transmitting block, and that receives the protruding portion.

Abstract: A vehicle seat comprises: left and right base frames (side portions 52, 53 of pipe frame 5) which extend in an upward-and-downward direction and constitute left and right portions of a seat back frame (2); a pressure-receiving member (10) disposed between the left and right base frames, and configured to move rearward upon receipt of a rearward load of a predetermined magnitude or greater from an occupant; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of one base frame (side portion 53), and configured to receive a load from outside in a lateral direction; and a load transmission part (lower portion 51 of pipe frame 5) disposed under the pressure-receiving member (10), connected to a lower end of the one base frame, and configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided.

Abstract: A vehicle seat comprises: a base frame (side frames 4, pipe frame 5) which constitutes left and right lower portions of a seat back frame; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of the base frame, and configured to receive a load from outside in a lateral direction; and a load transmission part (lower portion 51 and lower frame) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member has a shape with a closed cross section, and a portion of at least one of the front wall and the rear wall (front wall 81) separate from upper and lower ends thereof provides an uneven shape (recessed portions 81a).

Abstract: A vehicle seat comprises: left and right base frames (side portions 52, 53 of a pipe frame 5) which constitute left and right portions of a seat back frame (2); a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of one base frame (side portion 53), and configured to receive a load from outside in a lateral direction; and a load transmission part (a lower frame 6 and a lower portion 51 of the pipe frame 5) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member has a shape with a closed cross section, and has an input-side end portion (7a) and an output-side end portion (7b), such that the input-side end portion stretches out in at least one of upward, downward, frontward and rearward directions wider than the output-side end portion.

Abstract: A vehicle seat comprises: left and right side frames (4) which constitute left and right lower portions of a seat back frame (2); an inner frame (pipe frame 5) disposed adjacent to a laterally inner side of one of the side frames (4); a force-receiving member (bracket 7) disposed adjacent to a laterally outer side of the one of the side frames (4), provided discretely from the inner frame, and configured to receive a load from outside in a lateral direction; and a load transmission part (lower frame 6 and lower portion 51 of the pipe frame 5) configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided. The force-receiving member is directly fixed to the inner frame.

Abstract: A vehicle seat comprises: a base frame (side frame 4, pipe frame 5) which constitutes at least left and right lower portions of a seat back frame; a force-receiving member (bracket 7) disposed adjacent to a left or right outer side of the base frame, and configured to receive a load from outside in a lateral direction; and a load transmission part configured to transmit the load from the force-receiving member to a side laterally opposite to that on which the force-receiving member is provided, wherein the force-receiving member has a shape with a closed cross section, and a portion of at least one of an upper wall (72) and a lower wall (74) separate from front and rear ends thereof provides an uneven shape (stepped profile 72a, 74a).

Abstract: A vehicle seat includes: a seatback frame including an outer side part frame, provided at an outer side in a width direction of a vehicle body, and an inner side part frame, provided at an inner side in the width direction; an outer side load transmission block protruding from the seatback frame towards an outer side in the width direction, and transmitting to the seatback frame, an impact load inputted from a side of the vehicle body; and a protrusion part protruding from a side surface of the outer side part frame towards an outer side in the width direction, wherein the protrusion part is fitted and fixed to a fitting hole provided on the outer side load transmission block.

Abstract: A seat back frame for the vehicle seat, includes a pair of side frames that are disposed on both sides in a seat width direction; and a supporting plate that has both ends connected to a bottom section of each of the side frames, wherein the supporting plate is at least disposed along an interval between a first height that corresponds to an upper part of a lumbar vertebra of an occupant seated in the seat and a second height that corresponds to a lower part of the lumbar vertebra, and curves in a manner such that, in a cross-section along with a vertical direction, the supporting plate bulges forward along a line from the first height to the second height.

Abstract: A load transmission body for a vehicle, which transmits an impact load to a floor of the vehicle body, includes: a pair of side walls fixed to the floor of the vehicle body and extending in a vehicle front-back direction; a front reinforcing wall having a closed cross-sectional structure, extending in a vehicle width direction, and reciprocally coupling with the pair of side walls; a rear reinforcing wall disposed at a vehicle rear side of the front reinforcing wall, having a closed cross-sectional structure, extending in the vehicle width direction, and reciprocally coupling with the pair of side walls; and a side reinforcing member provided at each of the side walls, having reinforcing beads extending in the vehicle front-back direction, and a front end portion and a rear end portion that are coupled to the front wall and the rear wall, respectively.