Patent ID: 7896601

Claim:
A fastener, comprising: a stud member comprising a base portion, said base portion comprising a flat underside and a collar disposed on said flat underside, a stem extending vertically from the base portion, the stem having a head portion and a body portion, wherein the body portion of the stem is positioned on the base portion for enabling the stem to extend vertically from the base portion, a plurality of locating features extending from the body portion, and disposed on the base portion, such that, locating features of the plurality of locating features are spaced apart at a predetermined angle from each other, and a plurality of slanted ridges extending from the stem, such that, slanted ridges of the plurality of slanted ridges are spaced apart at a predetermined distance from each other; and a nut member comprising a central element configured to have two projecting members extending opposite to each other from a periphery of the central element, the central element comprising an aperture therewithin for receiving the stem therethrough for interlocking the nut member with the stud member to retain the stud member at a locked configuration, wherein the two projecting members comprise a structure substantially similar to a hourglass structure when said stem of said stud member is not received through said nut member, and wherein one of the projecting member may be flattened when said stem of said stud member is received through said nut member.