Belt-adjustment device

Claim 1

IN COMBINATION WITH A BUCKLE MEMBER HAVING A CHANNEL-SHAPED FRAME PORTION PROVIDED WITH A PAIR OF RELATIVELY YIELDABLE OPPOSITE SIDES AND A BACK, EACH OF SAID SIDES HAVING AN ELONGATED SLOT, SAID SLOTS BEING IN ALIGNMENT RESPECTIVELY, AN ADJUSTABLE BELT-SECURING DEVICE COMPRISING: A FIRST BAR, SAID FIRST BAR HAVING END-EXTENSIONS OF REDUCED THICKNESS NORMALLY SLIDABLY ENGAGING SAID SLOTS, RESPECTIVELY, SAID FIRST BAR BEING INITIALLY RECEIVABLE BETWEEN SAID FRAME PORTION SIDES, FOR ENGAGEMENT OF SAID END EXTENSIONS WITH SAID SLOTS, ONLY IN DIAGONAL RELATIONSHIP THEREWITH, AND MOVABLE AFTER SAID ENGAGEMENT INTO PERPENDICULAR RELATIONSHIP WITH SAID SIDES; AND A SECOND BAR, SAID SECOND BAR HAVING END-EXTENSIONS OF REDUCED THICKNESS NORMALLY ENGAGING SAID SLOTS, RESPECTIVELY, SAID SECOND BAR BEING INITIALLY RECEIVABLE BETWEEN SAID FRAME PORTION SIDES IN THE PRESENCE OF SAID FIRST BAR, FOR ENGAGEMENT OF SAID SECOND BAR END EXTENSIONS WITH SAID SLOTS, ONLY IN DIAGONAL RELATIONSHIP WITH SAID SIDES AND ACCOMPANIED BY RESILIENT OUTWARD RELATIVE ANGULAR DEFLECTION OF SAID SIDES WITH RESPECT TO EACH OTHER AND TO SAID BACK, SAID SECOND BAR BEING MOVABLE AFTER SAID ENGAGEMENT INTO PERPENDICULAR RELATIONSHIP WITH SAID SIDES FOR RECEIVING BELT MEANS LOOPED AROUND SAID FIRST BAR.