US Patent 9452314 Treadboard of a treadmill and a treadmill

A treadboard and a treadmill includes two first elastic strips of same structure arranged abreast with the lengths disposed along the moving direction of the belt of the treadmill and a plurality of solid support strips; the first elastic strips are arc structural, the center of the arc structure is higher than two ends of the arc structure; either end of each first elastic strip is once formed with buffer portion that is flexible along the length direction, so that the buffer portions buffer the arc structure of the first elastic strip after fixedly connected to the base of the treadmill; the solid support strips is of straight strip structure respectively connected vertically between the two first elastic strips, two ends of each solid support strip are respectively connected to the corresponding upper sides of the two first elastic strips.