Staging

Claim 1

IN A WINDOW INSERTED STAGING, A PAIR OF FRAME MEMBERS, EACH OF WHICH IS FORMED GENERALLY IN A MONOPLANE THAT IS SUBSTANTIALLY VERTICAL, SAID FRAME MEMBERS BEING LOCATED IN SPACED RELATION ON OPPOSITE SIDES OF A WINDOW AND INCLUDING AT LEAST ONE HORIZONTAL RUNG, A PLANK FOR SUPPORTING AN OCCUPANT OF SAID STAGING SPANNING THE SPACE BETWEEN SAID FRAME MEMBERS AND LOCATED ON THE RUNGS THEREOF, AT LEAST TWO UPPER CONNECTING MEMBERS, EACH OF WHICH IS PIVOTALLY JOINED TO ONE OF SAID FRAME MEMBERS AT THE UPPER END THEREOF, AT LEAST TWO LOWER CONNECTING MEMBERS, EACH OF WHICH IS INTERCONNECTED TO THE LOWER END OF ONE OF SAID FRAME MEMBERS, SAID UPPER AND LOWER CONNECTING MEMBERS EXTENDING INWARDLY THROUGH A WINDOW OPENING, AND LOCK-IN MEMBERS SECURED TO SAID UPPER AND LOWER CONNECTING MEMBERS AND BEARING AGAINST THE INSIDE FRAME OF SAID WINDOW, THEREBY SUPPORTING SAID FRAME MEMBERS IN FIXED POSITION EXTERIORLY OF SAID WINDOW, EACH OF SAID UPPER CONNECTING MEMBERS INCLUDING A TUBULAR ARM IN THE OUTER END OF WHICH A HANGER ARM IS TELESCOPICALLY MOUNTED, SAID TUBULAR ARM BEING ADJUSTABLY INTERCONNECTED TO THE UPPER END OF THE FRAME MEMBER ON WHICH IT IS MOUNTED, AND THE OUTER END OF SAID HANGER ARM HAVING A HOOK JOINED THERETO FOR INTERCONNECTING TO A LOCK-IN MEMBER, THE UPPER END OF THE FRAME MEMBERS INCLUDING A SECOND TUBULAR ARM INTO WHICH SAID HANGER ARM IS INSERTED AFTER WITHDRAWAL OF SAID HANGER ARM FROM SAID FIRST TUBULAR ARM WHEN SAID STAGING IS ADAPTED TO BE MOVED INTO CLOSE PROXIMITY TO THE WINDOW FROM WHICH IT IS SUSPENDED.