Portable projection apparatus

Claim 1

IN A PORTABLE SOUND AND PICTURE PROJECTION UNIT, IMPROVED CASE STRUCTURE COMPRISING: A SHALLOW RECTANGULAR CASE COMPRISING A SHALLOW BOTTOM TRAY CONSISTING OF A BOTTOM WALL SURROUNDED BY LOW UPSTANDING SIDE WALLS CONSISTING OF OPPOSITE FRONT AND BACK WALL SECTIONS WITH RESPECTIVELY CONTIGUOUS OPPOSITE END WALLS SECTIONS, THE HEIGHT OF WHICH IS THE LEAST DIMENSION OF THE WALLS, ONE OF SAID END WALL SECTIONS CONSTITUTING A DROP SIDE AND BEING PIVOTALLY ATTACHED ALONG ITS BOTTOM MARGIN TO THE CONTIGUOUS END OF SAID BOTTOM WALL SUCH THAT SAID DROP SIDE CAN PIVOT FROM FULLY RAISED END-CLOSING POSITION DOWN INTO A PARALLEL PLANE WITH SAID BOTTOM WALL WHEREBY THE LATTER AND THE DROP-WALL CAN LIE FLUSH WHEN THE CASE IS RESTING BOTTOM DOWN UPON A FLAT TABLE SURFACE OR THE LIKE; A PICTURE PROJECTOR HAVING A BASE, A LIGHT HOUSING AND A LENS BARREL PROJECTING THEREFROM AND ATTACHED BY ITS BASE TO THE INSIDE FACE OF SAID DROP SIDE AND OF SUCH OVERALL DIMENSION AS TO TURN BACK INTO THE TRAY ON PIVOTING THE DROPWALL INTO RAISED POSITION WITH THE MAJOR PORTION OF THE PROJECTOR LYING SUBSTANTIALLY WITHIN SAID TRAY; SOUND EQUIPMENT SHARING A PREDETERMINED SPACE WITH SAID PROJECTOR WITHIN SAID TRAY IN AN ARRANGEMENT LEAVING A PREDETERMINED SPACE FOR PIVOTAL MOVEMENT OF THE PROJECTOR INTO AND OUT OF THE TRAY AND INCLUDING A TURNTABLE DEVICE DISPOSED NORMALLY IN READY-TO-USE OPERATIVE CONDITION FOR READY ACCESS APPROXIMATELY AT THE TOP LEVEL OF THE TRAY; AND A COVER DIMENSIONED TO FIT UPON AND CLOSE THE OPEN TOP OF SAID TRAY AND BLOCK MOVEMENT OF THE PROJECTOR OUT OF THE TRAY WHEN IN CLOSING POSITION, THE OPTICAL AXIS OF THE PROJECTOR EXTENDING SUBSTANTIALLY PARALLEL TO THE PIVOTAL AXIS OF THE DROP SIDE.