Adjustable fastener

Claim 1

A MEANS FOR SECURING TWO OVERLAPPING PANELS IN RELEASABLE, SLIDABLE RELATIONSHIP RELATIVE TO EACH OTHER COMPRISING, IN COMBINATION, A FIRST PANEL HAVING A SNAP FASTENER STUD SECURED THERETO AND A SECOND PANEL HAVING A SNAP FASTENER SOCKET SECURED ADJACENT ON OPENING THEREIN, SAID SOCKET MEMBER BEING OF GENERALLY OBLONG SHAPE AND INCLUDING A METAL HOUSING HAVING A GENERALLY FLAT BASE PORTION WITH UPPER AND LOWER SURFACES, SIDE WALLS AND END WALLS TURNED DOWNWARDLY FROM SAID UPPER SURFACE TO PROVIDE A SHALLOW RECESS ADJACENT SAID UNDER SURFACE, A RESILIENT PLASTIC INSERT CONFORMING IN SIZE AND SHAPE TO SAID RECESS OVERLYING THE ENTIRE UNDER SURFACE OF SAID BASE, A PAIR OF OPPOSED, U-SHAPED RUNNERS FORMED AS AN EXTENSION OF THE SIDE WALLS OF SAID HOUSING, PORTIONS OF WHICH OVERLIE A SUBSTANTIAL AREA OF SAID INSERT TO MAINTAIN THE LATTER IN SAID RECESS AND OTHER PORTIONS OF WHICH ARE SECURED TO SAID SECOND PANEL ALONG EDGES DEFINING SAID OPENING, AND A PAIR OF GENERALLY ALIGNED OBLONG SLOTS FORMED IN AND EXTENDING OVER A MAJOR PORTION OF SAID BASE AND SAID INSERT, SAID STUD BEING SEATED IN SAID SLOTS IN SNAP ENGAGEMENT WITH SAID INSERT AND BEING FREELY MOVABLE ALONG THE LENGTH OF SAID SLOTS TO ALLOW FOR RELATIVE SLIDING ADJUSTMENT OF SAID PANELS.