Light weight optical mirror with spaced plates connected by trough-like elements

Claim 1

AN OPTICAL MIRROR COMPRISING: (A) TWO PLATES DISPOSED IN SPACED, CONFRONTING RELATION, THE OUTWARDLY DISPOSED SURFACE OF ONE OF SAID PLATES BEING A REFLECTING SURFACE, (B) SUPPORTING MEANS DISPOSED BETWEEN AND INTERCONNECTING SAID PLATES AND SUPPORTING THE PLATES HAVING A REFLECTING SURFACE ON THE OTHER OF SAID PLATES, (C) SAID SUPPORTING MEANS COMPRISING A PLURALITY OF ELONGATED, TROUGH-LIKE ELEMENTS EACH HAVING TWO SIDES HAVING FREE AXIALLY EXTENDING EDGES DEFINING A FRONT THEREOF, AND A CONNECTING MEMBER INTERCONNECTING SAID SIDES, (D) SAID TROUGH-LIKE ELEMENTS BEING DISPOSED WITH THE AXES THEREOF TRANSVERSE TO THE PLANES OF SAID PLATES AND WITH THE FRONTS THEREOF FACING IN THE SAME DIRECTION, AND IN A PLURALITY OF ROWS EACH INCLUDING A PLURALITY OF THE TROUGH-LIKE ELEMENTS, (E) THE TROUGH-LIKE ELEMENTS IN EACH ROW BEING IN OFFSET RELATION IN RESPECT TO THE TROUGH-LIKE ELEMENTS OF THE NEXT ADJACENT ROW IN FRONT THEREOF AND HAVING THE FREE EDGES THEREOF FUSED TO CONNECTING MEMBERS OF THE TROUGH-LIKE ELEMENTS OF THE ROW IN FRONT THEREOF WITH EACH CONNECTING MEMBER HAVING TWO FREE EDGES FUSED THERETO ONE FROM EACH OF TWO NEXT ADJACENT TROUGH-LIKE ELEMENTS, THE TWO FREE EDGES FUSED TO EACH CONNECTING MEMBER BEING SPACED APART, THE INNER ANGLE BETWEEN EACH TROUGH-LIKE ELEMENT SIDE AND THE CONNECTING MEMBER TO WHICH IT IS SECURED BEING AT LEAST A RIGHT ANGLE.