Patent ID: 8016530
Filing Date: 2011-09-13
Classification: F16B

Abstract:
1. A nut fastener adapted for insertion into an opening in a panel, the nut fastener comprising: a platform including an upper face and a lower face; a sleeve defining a sleeve axis extending through the platform, the sleeve including a sleeve inlet opening at the upper face adapted to receive an elongate fastening member along the sleeve axis; a first retention arm extending downwardly from a first position on the platform; and at least a second retention arm extending downwardly from a second position on the platform, the first position and the second position being disposed on substantially opposing sides of the sleeve axis, the first retention arm and the second retention arm including biasing arms projecting away from inboard surfaces of the first retention arm and the second retention arm towards the sleeve axis, the biasing arms being adapted to engage the elongate fastening member during insertion of the elongate fastening member through the sleeve to rotate the first retention arm and the second retention arm to outboard positions, and wherein said platform includes an elongate rib member disposed in intersecting relation to said sleeve inlet opening, said elongate rib member having a concave profile across said upper face.