Fastener combination for securing tubular structures

Claim 1

AN ASSEMBLY COMPRISING, IN COMBINATION, A SHEET METAL SUPPORT, A CLIP INCLUDING A LATERALLY EXTENDING PORTION, AN ATTACHING ARM EXTENDING UPWARDLY FROM ONE END OF SAID LATERALLY EXTENDING FASTENER, SAID ATTACHING ARM HAVING A KEYHOLE-SHAPED SLOT FORMED THEREIN, AND AN ARTICLE-RETAINING ARM EXTENDING DOWNWARDLY FROM SAID LATERALLY EXTENDING PORTION AT THE END THEREOF OPPOSITE SAID ATTACHING ARM, SAID ARTICLE-RETAINING ARM BEING CURLED BACK ON ITSELF TO PROVIDE A LOOP PORTION WHICH SNAPPINGLY ENGAGES AN ARTICLE, A STUD HAVING A SHANK, SAID HEAD BEING CIRCULAR HEAD AT ONE END OF SAID SHANK, SAID HEAD BEING OF GREATER DIAMETER THAN SAID SHANK, SAID SHANK BEING WELDED TO A SURFACE OF THE SUPPORT AT ITS END OPPOSITE SAID HEAD SUCH THAT SAID HEAD IS SPACED FROM, BUT LIES IN, CLOSE PROXIMITY TO THE SURFACE OF THE SUPPORT, THE SPACE BETWEEN THE UNDERSURFACE OF SAID HEAD AND THE SUPPORT BEING APPROXIMATELY EQUAL TO THE THICKNESS OF THE ATTACHING ARM OF SAID CLIP, SAID SHANK BEING SEATED IN THE NARROW PORTION OF SAID KEYHOLE SLOT IN SAID ATTACHING ARM, SAID HEAD BEING CLAMPED AGAINST THE PORTIONS OF SAID ATTACHING ARM ADJACENT SAID SLOT AT THE SURFACE OF SAID ARM REMOTE FROM SAID SUPPORT, THEREBY TENSIONING SAID ATTACHING ARM AGAINST SAID SUPPORT.