Seat foundation for a vehicle seat

The vehicle seat bracket is mounted on a vehicle floor and joined to a supporting rail and the vehicle seat can be moved within it. It has a fixed lower frame (2) and an upper frame (3) mounted in floating manner with intermediate weight sensors (4-7). The weight sensors are fixed to the upper frame via connecting elements (12,13,29) on one side and to the lower frame on the other via bolts integrated into the sensors.