Patent ID: 7815391

Claim:
A joint between two penetrable members in a position with a surface of a first member abutting against a surface of a second member, comprising a first sleeve secured within a first hole extending in from said first member surface by engagement with surrounding portions of said first member defining said first hole; a second sleeve separate from said first sleeve fixedly secured in a second hole extending through said second member by engagement with surrounding portions of said second member defining said second hole, said sleeves overlapping with said first sleeve having an end portion protruding from said first member and slidably received within an inside diameter of said second sleeve with said surfaces of said members in said abutting position against each other; an internally threaded element secured adjacent to an inmost end of said first sleeve in said first hole; a threaded locking bolt extending through both of said sleeves and threaded into said internally threaded element fixed to said first sleeve, said bolt having a head engaging a surface fixed relative said second member to enable said first and second sleeves to be drawn together by threaded advancement of said bolt in said element each of said sleeves are secured in their respective associated holes by penetrating spike features on said sleeves penetrating radially into portions of said penetrable members surrounding said holes, and a third sleeve extends into the inside of the first sleeve to force said spike features thereon radially outwardly into said portions of said first member defining said first hole and driving a cylindrical tool into said second sleeve to drive said spikes radially out into said second member; and; an end piece having a sleeve portion fit into said hole in said second member and against an end of said second sleeve remote from said first member and also having an end wall comprising said surface fixed relative said second member abutted by said head on said bolt with an opening therein allowing a body portion of said bolt to pass through said end wall.