Apparatus for suspending tile ceilings

Claim 1

IN COMBINATION A CEILING TILE SUSPENDED FROM A JOIST BY AT LEAST ONE HANGER ALONG AT LEAST ONE EDGE THEREOF, SAID CEILING TILE HAVING AT LEAST NE TONGUE AND AT LEAST ONE GROOVE ON THE EDGES THEREOF, SAID HANGER COMPRISING AN ELONGATE GENERALLY RECTANGULAR PLANAR SHEET METAL SHANK MEMBER FORMED OF A SINGLE FLAT WEB OF SHEET METAL HAVING TRANSVERSE AND LONGITUDINAL AXES NORMAL TO ONE ANOTHER AND HAVING UPPER AND LOWER END PORTIONS LYING IN A SINGLE COMMON PLANE, NAIL HOLDING MEANS DEFINING A NAIL PASSAGEWAY FORMED INTEGRALLY WITH SAID SHANK MEMBER EXTENDING ALONG SAID UPPER END PORTION THEREOF ALONG AN AXIS PARALLEL TO THE PLANE OF SAID WEB OF SAID SHANK MEMBER AND TO SAID TRANSVERSE AXIS THEREOF; A BRACKET OF GENERALLY RECTANGULAR PLANAR SHEET METAL EN GAGING SAID EDGE OF SAID TILE AND FORMED INTO A SINGLE FLAT WEB LYING IN A SINGLE PLANE AND HAVING A TRANSVERSE AXIS PARALLEL TO SAID TRANSVERSE AXIS OF SAID SHANK MEMBER FORMED INTEGRALLY WITH SAID LOWER END PORTION OF SAID SHANK MEMBER BY DEFLECTING AN ENDWISE EXTENSION OF SAID SHANK MEMBER THROUGH SUBSTANTIALLY A RIGHT ANGLE ALONG A FOLD LINE PARALLEL TO SAID TRANSVERSE AXES, THE PLANE OF SAID BRACKET BEING NORMAL TO THE PLANE OF SAID SHANK MEMBER AND DEFINING THEREWITH SUBSTANTIALLY AN L-SHAPE IN LONGITUDINAL SECTION AND A NAIL IN SAID PASSAGEWAY SWINGABLY FASTENING SAID HANGER TO SAID JOIST FOR SWINGING MOVEMENT OF SAID BRACKET TOWARD AND AWAY FROM SAID EDGE.