Abstract: An exemplary embodiment relates to an expansion bolt component that includes a bolt, an elastic component, and a nut. The bolt includes a necking part at an upper end thereof. The elastic component includes sides parts that include a plurality of ribs symmetrically arranged. Each rib includes a lower part and an upper part, each lower part being connected to a lower part of an associated adjacent rib. The nut is configured to be threaded onto a lower end of the bolt and to move into a lower end of the elastic component due to rotation of the bolt. The lower part of each rib is configured to expand in a radial direction when the nut moves into the elastic component. The upper part of each rib is configured to move simultaneously toward the upper part of its associated adjacent rib, such that the upper parts of the plurality of ribs clamp the necking part of the bolt.

Abstract: An exemplary embodiment relates to an expansion bolt component that includes a bolt, an elastic component, and a nut. The bolt includes a necking part at an upper end thereof. The elastic component includes sides parts that include a plurality of ribs symmetrically arranged. Each rib includes a lower part and an upper part, each lower part being connected to a lower part of an associated adjacent rib. The nut is configured to be threaded onto a lower end of the bolt and to move into a lower end of the elastic component due to rotation of the bolt. The lower part of each rib is configured to expand in a radial direction when the nut moves into the elastic component. The upper part of each rib is configured to move simultaneously toward the upper part of its associated adjacent rib, such that the upper parts of the plurality of ribs clamp the necking part of the bolt.