Casing for integrated operating air supply and air signal transmission service center

Claim 1

A CASING FOR AN INTEGRATED OPERATING AIR SUPPLY AND AIR SIGNAL TRANSMISSION SERVICE CENTER COMPRISING: A FLAT RECTANGULAR UPSTANDING REAR WALL HAVING A PAIR OF FORWARDLY EXTENDING FLANGES ALONG THE SIDES THEREOF, A FALT RECTANGULAR TOP WALL EXTENDING HORIZONTAL FROM THE TOP OF SAID REAR WALL AND HAVING A DEPENDING FLANGE ALONG THE FRONT AND SIDES THEREOF FORMING A CONTINUATION OF THE SIDE FLANGES ON THE REAR WALL, A FLAT RECTANGULAR BOTTOM WALL EXTENDING HORIZONTALLY FROM THE BOTTOM OF SAID REAR WALL AND HAVING AN UPSTANDING FLANGE ALONG ITS FRONT AND SIDE EDGES WITH THE SIDE PORTIONS OF THE FLANGE EXTENDING REARWARDLY FROM THE FRONT OF THE FLANGE AND TERMINATING CLOSELY ADJACENT SAID REAR WALL, SAID SIDE PORTIONS OF THE FLANGE ON THE BOTTOM WALL BEING SPACED INWARDLY OF THE CASING FROM SAID SIDE FLANGES ON THE REAR WALL, A U-SHAPED COVER FOR THE CASING INCLUDING A RECTANGULAR FRONT WALL AND A PAIR OF SIDE WALLS EXTENDING REARWARDLY FROM THE SIDE EDGES OF THE FRONT WALL, AND MEANS MOUNTING THE COVER FOR MOVEMENT THROUGH APPROXIMATELY 180* BETWEEN AN OPEN POSITION AND A CLOSED POSITION WHEREIN THE REAR EDGES OF SAID SIDE WALLS ARE RECEIVED BETWEEN SAID SIDE FLANGES ON THE REAR WALL AND THE SIDE PORTIONS OF THE FLANGE ON SAID BOTTOM WALL AND WHEREIN THE TOP PORTIONS OF SAID FRONT AND SIDE WALLS ARE RECEIVED WITHIN SAID DEPENDING FLANGE ON SAID TOP WALL, THE COVER MOUNTING MEANS COMPRISING A FIXED PIN EXTENDING AT RIGHT ANGLES FROM EACH OF SAID SIDE PORTIONS OF THE FLANGE ON THE BOTTOM WALL AND DISPOSED ADJACENT THE FRONT EDGE OF SAID BOTTOM WALL, EACH OF SAID SIDE WALLS BEING PROVIDED WITH A J-SHAPED SLOT DISPOSED ADJACENT THE BOTTOM THEREOF AND SAID FIRST WALL AND SLIDABLY RECEIVING THE PIN ON THE ADJACENT SIDE PORTION OF THE BOTTOM WALL FLANGE WITH SAID PIN RESIDING IN THE SHORTER LEG OF SAID J-SHAPED SLOT IN BOTH SAID OPEN AND SAID CLOSED POSITION.