Joining means

Claim 1

MEANS CONNECTING A PANEL MEMBER TO AN ELONGATED MEMBER, SAID ELONGATED MEMBER COMPRISING FIRST ELONGATED RIB MEANS FORMED INTEGRALLY THEREWITH AND HAVING A FIRST SURFACE ON ONE SIDE THEREOF, SECOND ELONGATED RIB MEANS FORMED INTEGRALLY WITH SAID ELONGATED MEMBER DISPOSED SUBSTANTIALLY PARALLEL TO SAID FIRST RIB MEANS, A SECOND SURFACE ON SAID SECOND RIB MEANS IN FACING RELATIONSHIP TO SAID FIRST SURFACE ON SAID FIRST RIB MEANS AND GENERALLY PARALLEL THERETO WHEN SAID RIB MEANS ARE UNSTRESSED, EACH OF SAID RIB MEANS BEING FORMED OF RESILIENTLY DEFLECTABLE METAL AND HAVING A MATERIALLY GREATER WIDTH THAN THICKNESS TO PERMIT A RESILIENT BENDING OF SAID RIB MEANS WITH RESPECT TO ONE ANOTHER AND EACH OF SAID RIB MEANS TAPERING IN CROSS-SECTION AWAY FROM SAID ELONGATED MEMBER, SAID RIB MEANS RECEIVNG A PORTION OF THE PANEL MEMBER THEREBETWEEN AND BEING SPACED APART A DISTANCE GREATER THAN THE THICKNESS OF SAID PORTION OF THE PANEL MEMBER, AND ELONGATED WEDGE MEANS HAVING A WEDGE-SHAPED CROSS SECTION INSERTED BETWEEN SAID RIB MEANS, SMALL THICKNESS EDGE FIRST, WHEN SAID PORTION OF THE PANEL MEMBER IS DISPOSED THEREBETWEEN, THE OUTSIDE CROSSSECTIONAL CONFIGURATION OF SAID WEDGE MEANS BEING SUFFICIENT WHEN THUS INSERTED TO CAUSE A RESILIENT BENDING OF SAID RIB MEANS AWAY FROM ONE ANOTHER WHEREBY THE PANEL MEMBER WILL BE CLAMPED THEREBETWEEN PRIMARILY BY THE RESILIENT BENDING STRESSES IN SAID RIB MEANS.