Patent ID: 8506224
Filing Date: 2013-08-13
Classification: F16B

Abstract:
1. A fastener, comprising: a bolt having an elongated shank portion adapted to be positioned within an opening of a work piece, the work piece having a first side and a second side opposite the first side, the elongated shank portion having a first end, a second end opposite the first end, a head formed at the first end, a threaded portion having a plurality of external bolt threads, the threaded portion being adapted to extend past the second side of the work piece, and an annular groove formed proximate to the second end; an upper grommet having a receptacle and a head extending from the receptacle, the head of the upper grommet having an exterior surface, an interior surface, and an annular pocket formed within the interior surface, wherein the upper grommet is adapted to be installed within the opening of the work piece; a lower grommet having a tubular portion with a first end and a second end opposite the first end of the tubular portion, a flared portion extending from the first end of the tubular portion, and a base member extending from the second end of the tubular portion, the base member including an interior portion, wherein the lower grommet is adapted to be installed within the upper grommet, such that the receptacle of the upper grommet is sized and shaped to receive the tubular portion of the lower grommet, and the annular pocket of the head of the upper grommet is sized and shaped to receive the flared portion of the lower grommet; a housing; and a retainer ring housed within the housing, wherein the interior portion of the base member of the lower grommet is sized and shaped to receive the housing and the retainer ring, and wherein the elongated shank portion of the bolt is adapted to be installed within the upper grommet and lower grommet, such that the retainer ring engages the annular groove of the bolt in order to captivate the bolt.