Patent ID: 9616295
Date: 2017-04-11
CPC Classifications: A63B

Claim:
1. A fastening element for a climbing device, the fastening element adapted for mounting a climbing hold thereto, and for fastening to a climbing surface that is curved around a vertical axis, the fastening element comprising: an outer shell; a concave contact surface, the concave contact surface formed within the outer shell, the concave contact surface being curved around a longitudinal axis of the fastening element for abutting to the climbing surface that is curved around the vertical axis, the concave contact surface being configured for aligning the longitudinal axis to the vertical axis of the climbing surface in use and for contacting the climbing surface to which the fastening element is fastened, wherein the concave contact surface further comprises a lattice structure, the lattice structure comprising a plurality of raised ribs arranged to intersect in a crisscross pattern; and a plurality of anchoring nubs, each of the nubs positioned on and protruding from one of the plurality of raised ribs, the plurality of anchoring nubs and the plurality of raised ribs forming the concave contact surface configured to contact the climbing surface and to anchor the fastening element thereto; and wherein each of the anchoring nubs has a rounded profile for contacting the climbing surface.