ANCHOR WITH CORRUGATED SLEEVE Russian patent published in 2021 - IPC F16B13/06 

FIELD: fasteners.

SUBSTANCE: invention relates to an anchor. Anchor with sleeve (20), bolt (10) passing through sleeve (20), and at least one spacer (30), which is axially located in front of sleeve (20) and axially supported by sleeve (20), wherein bolt (10) has spacer area (15) for spacer element (30), wherein sleeve (20) has wavy shape with axially extending crests of waves (21), in which both outer radius (r_a) of sleeve (20), and inner radius (r_i) of sleeve (20) respectively have maximum, as well as with axially passing cavities (22), in which both outer radius (r_a) of sleeve (20), and inner radius (r_i) of sleeve (20), respectively, have a minimum, wherein at least one spacer element (30) is a spreading tab, which is axially located before wave crest (21).

EFFECT: technical result is the development of an anchor, which, with high reliability and ease of use, is especially easy to manufacture, and at that, receives especially high loads, including preferably transverse loads.

9 cl, 8 dwg