Abstract: An anti-skid structure is provided. The anti-skid structure includes a plate having a first surface, a second surface, and a plurality of apertures extending from the first surface to the second surface. The anti-skid structure includes a plurality of fasteners fastened to the plate through the plurality of apertures. The plurality of fasteners includes a first member and a second member. The first member having a head placed on the first surface, and a body extending through an aperture. The body includes a locking portion structured and arranged to prevent a rotation of the first member relative to the plate. The second member is coupled to a threaded portion of the body and is positioned on the second surface. The second member is configured to fasten the plurality of fasteners to the plate using the threaded portion. Further, each head of the plurality of fasteners have a predetermined shape.

Abstract: An anti-skid structure is provided. The anti-skid structure includes a mounting plate having a surface, a first length and a second length, with a plurality of projections embossed on the surface of the mounting plate. Each of the plurality of projections includes a frustum structure, and a cylindrical structure on a top of the frustum structure. A distance between each projection of the plurality of projections, and an adjacent projection of the plurality of projections, along each of the first direction and the second direction is 44 mm.