Vehicle seat

A vehicle seat comprising:

• a seat main body;
• a seat mount base secured to a vehicle body floor member, the seat mount base comprising:
• a pair of left and right side members, each extending in a vehicle body front-rear direction and secured to the vehicle body floor member, and
• a connection member connecting, to each other, respective substantially central portions in the front-rear direction of the side members;
• a pair of left and right seat rails disposed between the seat main body and the seat mount base, each comprising:
• a secured rail connected to a corresponding one of the left and right side members and extending in the front-rear direction, and
• a movable rail slidably held by the secured rail and connected to the seat main body;
• force sensors disposed between a respective pair of the secured rail and the corresponding side member;
• and
• a cross member disposed below the seat main body and extending in a vehicle width direction, the cross member being fixedly joined, via a bottom surface thereof, to the vehicle body floor member and bulging upward from the vehicle body floor member,
• wherein the connection member includes joining portions, each joined to the respective left and right side members at the respective substantially central portions of the side members, and a central region located at a substantial center in a seat width direction, the central region protruding toward a vehicle body front direction compared to the joining portions such that a space open toward a vehicle body rear direction is formed between the joining portions of the connection member, and
• wherein the central region of the connection member is fixedly disposed above the cross member so as to be superposed on at least part of the cross member in the front-rear direction.