1
Heino Arff: Self centering fastener. ITW Ateco, Jack R Halvorsen, Thomas W Buckman, September 6, 1983: US04402641 (41 worldwide citation)

A one-piece fastening element of synthetic material, comprising a head and a relatively rigid axial shank adapted to be inserted into the aperture of a workpiece. The shank is formed with two or several axial rows of flexible lamellar radial ribs formed integrally with the shank in circumferentially ...


2
Alistair N McKinlay: Self-centering, self-tightening fastener. Hong Kong Disc Lock Company, Charles W Chandler, April 20, 1993: US05203656 (35 worldwide citation)

A self-tightening, self-centering fastener device having a pair of washers having cam surfaces that generate a wedging force. One of the washers has a raised, annular crown for seating in an annular seat in the workpiece.


3
Roger Pyron: Self-centering fastener with mating seal flange. Thomas & Betts International, Hoffmann & Baron, March 8, 2011: US07902466 (1 worldwide citation)

An aspect of the present invention provides a conduit body assembly. The conduit body assembly has a conduit body with a closed lower end and a side wall surrounding the lower end. The side wall includes a planar perimetrical rim which defines an open upper end. Also, the conduit body assembly has a ...


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Roger Pyron: Self-centering fastener with mating seal flange. Thomas & Betts International, Hoffmann & Baron, August 6, 2009: US20090194310-A1

An aspect of the present invention provides a conduit body assembly. The conduit body assembly has a conduit body with a closed lower end and a side wall surrounding the lower end. The side wall includes a planar perimetrical rim which defines an open upper end. Also, the conduit body assembly has a ...