Vehicle seat with cushion plate

A vehicle seat comprising:

• a rectangular-shaped seat back frame having right and left side frames;
• a wire member supported by the seat back frame between the side frames;
• a flexible plate member mounted to the wire member;
• a seat back cushion provided in front of the flexible plate member;
• a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent;
• a wire engagement portion provided on the flexible plate member to engage the wire member;
• a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames;
• and
• a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant and connected to the seat back frame via right and left link members, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant;
• wherein:
• each end portion of the rear-end collision detecting plate extends to a respective outer side of an end of the flexible plate member and is connected to lower end portion of the link members;
• the flexible plate member is disposed anterior to the rear-end collision detecting plate;
• an upper end of the flexible plate member is disposed above an upper end of the rear-end collision detecting plate;
• and
• the wire engagement portion is disposed above the upper end of the rear-end collision detecting plate.

A vehicle seat comprising:

• a rectangular-shaped seat back frame having right and left side frames;
• a wire member supported by the seat back frame between the side frames;
• a flexible plate member mounted to the wire member;
• a seat back cushion provided in front of the flexible plate member;
• a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent;
• a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames;
• a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant and connected to the seat back frame via right and left link members, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant;
• and
• protruding portions provided on right and left side portions of an upper portion of the flexible plate member and protruding outward;
• wherein:
• each end portion of the rear-end collision detecting plate extends to a respective outer side of an end of the flexible plate member and is connected to a lower end portion of a respective link member;
• each of the protruding portions includes a wire engagement portion to engage the wire member;
• the flexible plate member is disposed anterior to the rear-end collision detecting plate;
• an upper end of the flexible plate member is disposed above an upper end of the rear-end collision detecting plate;
• and
• the wire engagement portion is disposed above the upper end of the rear-end collision detecting plate.

A vehicle seat comprising:

• a rectangular-shaped seat back frame having right and left side frames;
• a wire member supported by the seat back frame between the side frames;
• a flexible plate member mounted to the wire member;
• a seat back cushion provided in front of the flexible plate member;
• a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent;
• a wire engagement portion provided on the flexible plate member to engage the wire member;
• a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames;
• an upper portion of the seat back frame extending in a horizontal direction;
• and
• a lateral member that is generally parallel to the upper portion of the seat back frame and supports a pillar of the headrest;
• and
• a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant and connected to the seat back frame via right and left link members, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant;
• wherein:
• each end portion of the rear-end collision detecting plate is connected to a respective lower end portion of the link members;
• the flexible plate member is disposed anterior to the rear-end collision detecting plate;
• the lateral member is disposed opposite to an upper end of the flexible plate member and is larger in length in a lateral direction than the flexible plate member;
• the rear-end collision detecting plate is disposed below the lateral member;
• and
• the upper end of the flexible plate member is disposed between the lateral member and an upper end of the rear-end collision detecting plate.

A vehicle seat comprising:

• a rectangular-shaped seat back frame having right and left side frames;
• a wire member supported by the seat back frame between the side frames;
• a flexible plate member mounted to the wire member;
• a seat back cushion provided in front of the flexible plate member;
• a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent;
• a wire engagement portion provided on the flexible plate member to engage the wire member;
• a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames;
• a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant and connected to the seat back frame via right and left link members, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant;
• and
• a spring member having an upper end attachment portion for attaching the spring member to the flexible plate member;
• wherein:
• each end portion of the rear-end collision detecting plate extends to a respective outer sides of and end of the flexible plate member and is connected to a lower end portion of a respective link member;
• the flexible plate member is disposed anterior to the rear-end collision detecting plate;
• an upper end of the flexible plate member is disposed above an upper end of the rear-end collision detecting plate;
• the wire engagement portion is disposed at a position that avoids a region opposite to the rear-end collision detecting plate in a front-to-back direction;
• and
• the upper end attachment portion of the spring member is disposed at a position that avoids a region opposite to the rear-end collision detecting plate in a front-to-back direction.