Patent ID: 7874779
Filing Date: 2011-01-25
Classification: F16B

Abstract:
1. A receptacle for a fastener, the receptacle comprising: a substantially cylindrical body of a non-metal material having an axis and an internal wall; a first wall defining a first opening on the axis at a first end portion of the body; a second wall defining a second opening on the axis at a second end portion of the body; a third wall defining a non-circular passageway between the first and second openings and substantially symmetric with respect to the axis; a boss extending inwardly from an internal portion of the body and having a curved seat having a seat surface facing at least partly toward the second opening and extending angularly relative to the axis a first angular distance, wherein the boss includes a lower surface facing the first opening and a cam surface structure facing at least partly toward the first opening and wherein the cam surface structure has first and second components and wherein the first component faces the first opening and the second component faces a portion of the internal wall of the body opposite the boss; an interior structure adjacent the lower boss surface and inboard of the cam surface structure and extending between the lower boss surface and the cam surface structure and also extending angularly relative to the axis at least to the same extent as the first angular distance; and means for substantially securing the receptacle to a surface.