Interconnecting structural units
First Claim
1. A LIGHTWEIGHT STRUCTURAL UNIT HAVING A SUPPORTING BASE SURFACE AND A LOAD-CARRYING DECK SURFACE MADE UP OF A PLURALITY OF SIMILAR COMPONENT MEMBERS EACH OF WHICH IS FORMED OF AN ELONGATED METAL SHEET OF ESSENTIALLY UNIFORM THICKNESS ONE SIDE PORTION OF WHICH IS BENT LONGITUDINALLY INTO A TUBULAR ELEMENT OF SUBSTANTIALLY TRIANGULAR CROSS SECTION AND THE OTHER SIDE PORTION OF WHICH EXTENDS LATERALLY AS A DECK ELEMENT FROM THE APEX OF SAID TRIANGULAR TUBULAR ELEMENT SUBSTANTIALLY PARALLEL TO THE BASE THEREOF A DISTANCE APPROXIMATELY EQUAL TO TWICE THE WIDTH OF SAID BASE, A PLURALITY OF SAID COMPONENT MEMBERS JOINED SIDE-BY-SIDE WITH THE BASES OF THE TRIANGULAR TUBULAR ELEMENTS SUBSTANTIALLY ABUTTING AND SECURED TOGETHER AND WITH THE LATERALLY EXTENDING DECK ELEMENTS DISPERSED IN OVERLAPPING RELATION AND SECURING MEANS INTEGRALLY FORMED IN EACH OF SAID DECK ELEMENTS FOR PREVENTING RELATIVE MOVEMENT THEREBETWEEN, THE BASES OF SAID TUBULAR ELEMENTS FORMING THE SUPPORTING BASE SURFACE OF SAID STRUCTURAL UNIT OF SINGLE METAL THICKNESS AND THE OVERLAPPING DECK ELEMENTS FORMING THE DECK SURFACE THEREOF OF DOUBLE METAL THICKNESS.
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1 Claim
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1. A LIGHTWEIGHT STRUCTURAL UNIT HAVING A SUPPORTING BASE SURFACE AND A LOAD-CARRYING DECK SURFACE MADE UP OF A PLURALITY OF SIMILAR COMPONENT MEMBERS EACH OF WHICH IS FORMED OF AN ELONGATED METAL SHEET OF ESSENTIALLY UNIFORM THICKNESS ONE SIDE PORTION OF WHICH IS BENT LONGITUDINALLY INTO A TUBULAR ELEMENT OF SUBSTANTIALLY TRIANGULAR CROSS SECTION AND THE OTHER SIDE PORTION OF WHICH EXTENDS LATERALLY AS A DECK ELEMENT FROM THE APEX OF SAID TRIANGULAR TUBULAR ELEMENT SUBSTANTIALLY PARALLEL TO THE BASE THEREOF A DISTANCE APPROXIMATELY EQUAL TO TWICE THE WIDTH OF SAID BASE, A PLURALITY OF SAID COMPONENT MEMBERS JOINED SIDE-BY-SIDE WITH THE BASES OF THE TRIANGULAR TUBULAR ELEMENTS SUBSTANTIALLY ABUTTING AND SECURED TOGETHER AND WITH THE LATERALLY EXTENDING DECK ELEMENTS DISPERSED IN OVERLAPPING RELATION AND SECURING MEANS INTEGRALLY FORMED IN EACH OF SAID DECK ELEMENTS FOR PREVENTING RELATIVE MOVEMENT THEREBETWEEN, THE BASES OF SAID TUBULAR ELEMENTS FORMING THE SUPPORTING BASE SURFACE OF SAID STRUCTURAL UNIT OF SINGLE METAL THICKNESS AND THE OVERLAPPING DECK ELEMENTS FORMING THE DECK SURFACE THEREOF OF DOUBLE METAL THICKNESS.
Specification
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Current AssigneeJohn Doering
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Original AssigneeJohn Doering
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InventorsDoering, John
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Application NumberUS04/314,163Time in Patent Office869 DaysField of SearchUS Class Current52/579CPC Class CodesE04C 2/3405 spaced apart by profiled sp...E04C 2002/3477 spaced apart by tubular ele...
