Structural member

• US 3,221,467 A
• Filed: 02/01/1963
• Issued: 12/07/1965
• Est. Priority Date: 02/01/1963
• Status: Expired due to Term

• Current Assignee: William K. Henkels
• Original Assignee: William K. Henkels
• Inventors: Henkels, William K.
• Application Number:
  US04/255,467
• Time in Patent Office: 1,040 Days
• US Class Current: 52/690
• CPC Class Codes: E04C 2003/0491 the truss elements being located in one single surface or in several parallel surfaces
• CPC Class Codes: E04C 3/09 at least partly of bent or otherwise deformed strip- or sheet-like material

Claims

3. A CHORD ASSEMBLY INCLUDING A STRUCTURAL MEMBER COMPRISING A BASE SECTION, THE LATERAL MARGINS OF SAID BASE SECTION EXTENDING DOWNWARDLY A PREDETERMINED DISTANCE TO PROVIDE CONVERGING WALLS, VERTICALS WALLS ISSUING FROM THE LOWER TERMINALS OF SAID CONVERGING WALLS, SAID VERTICAL WALLS EXTENDING UPWARDLY IN PARALLEL SPACED RELATION INTO SUPPORTING CONTIGUOUS ENGAGEMENT WITH SAID BASE SECTION, THEREBY FORMING A LONGITUDINAL RECESS BETWEEN SAID VERTICAL WALLS, A SECOND STRUCTURAL MEMBER SIMILAR IN CONSTRUCTION TO SAID FIRST STRUCTURAL MEMBER, THE STRUCTURAL MEMBERS BEING VERTICALLY SPACED WITH THEIR LONGITUDINAL RECESSES IN OPPOSED RELATIONSHIP, WEB MEMBERS BETWEEN SAID STRUCTURAL MEMBERS, THE UPPER AND LOWER LIMITS OF SAID WEB MEMBERS BEING POSITIONED WITHIN THE LONGITUDINAL RECESSES OF THE STRUCTURAL MEMBERS, AND