Self adjusting, releasable appliance mounting structure

Claim 1

THE COMBINATION INCLUDING A FLANGED APPLIANCE, A MOUNTING SURFACE AROUND AN APERTURE RECEIVING THE APPLIANCE WITH SAID FLANGE OVERLYING SAID MOUNTING SURFACE, A INNER EDGE ON THE APERTURE IN SPACED MOUNTING SURFACE, MOUNTING SURFACE, SPRING RETAINING ELEMENTS SECURED TO THE UNDERSIDE OF THE APPLICANCE FLANGE GENERALLY ADJACENT TO AND WITHIN THE MARGINAL EDGES OF SAID APERTURE, SPRING CLIPS HAVING INWARDLY MOUNTED PORTIONS THEREOF RELEASABLY HELD IN FIXED POSITION IN THE RETAINING ELEMENTS AND OUTER PORTIONS THEREOF SO HELD IN THE RETAINING ELEMENTS AS TO BE INWARDLY PRESSURE RETRACTABLE TOWARD SAID INWARDLY MOUNTED PORTIONS, SAID OUTER PORTIONS BEING JOINED TO SAID INNER PORTIONS BY INTEGRAL INTERMEDIATE ANGULARLY FORMED RESILIENT PORTIONS AND SAID OUTER PORTIONS BEING SO BENT AS TO DEFINE A CAM SURFACE HAVING ACUTE ANGULAR WEDGE LIKE CLAMPING SURFACES WHICH THRUST OUTWARDLY AND WEDGE AGAINST SAID INNER EDGE OF SAID APERTURE, SAID SPRING CLIPS BEING FURTHER DEFINED IN THAT RELEASING SAID INNER PORTIONS OF SAID SPRING CLIPS FROM SAID FIXED POSITIONS RELEASES SAID CLAMPING SURFACS FROM AGAINST SAID INNER EDGE OF SAID APERTURE.