Patent ID: 6048149
Filing Date: 2000-04-11
Classification: F16B

Abstract:
A fastening assembly for installation in a solid body, comprising:A) an elongated screw member having a threaded shank with first and second ends, and a head on said first end;B) a bushing ring member having a through opening through which said screw coaxially and slidably disposed and a portion of said screw member being covered by said bushing ring member, and said bushing ring member having third and fourth ends with said third end being adjacent to said head and said bushing ring member having a longitudinal distance that is sufficient to coaxially guide said screw member;C) a frustroconical insert member having an outer surface, fifth and sixth ends and an internal thread compatible with said threaded shank, said fifth end having a smaller outer diameter than said sixth end wherein said frustroconical insert members includes at least one slot on said outer surface so that when said deformable anchorage assembly is deformed part of it is lodged in said slot thereby enhancing the engagement of said insert member and said deformable anchorage assembly; andD) a deformable anchorage assembly having a cylindrical shape said anchorage assembly being mounted within a cooperative bore in a solid body and further including a narrowing central opening with seventh and eighth ends and said seventh end having the smaller internal diameter of said narrowing central opening to snugly receive said fifth end of said insert member so that said insert member is urged within said anchorage assembly penetrating through said seventh end when said screw member advances within the internal thread of said insert member.