Rear projection viewer

Claim 1

A PORTABLE PICTURE PROJECTING AND VIEWING APPARATUS COMPRISING A CARRYING CASE HAVING A BOTTOM SECTION AND A TOP SECTION AND MEANS DETACHABLY HINGING ONE TO THE OTHER SUCH THAT IN CONJOINED CONDITION BOTH MEMBERS ARE ARTICULATED TO OPEN AND REST UPON A TABLE SURFACE OR THE LIKE WITH RESPECTIVELY DESIGNATED REAR WALLS OF EACH LYING IN SUBSTANTIALLY PARALLEL PLANES AND THE REAR WALL OF THE TOP SECTION HAVING PORTIONS EXPOSED AT AN ELEVATION SUBSTANTIALLY ABOVE THE UPPER MARGIN OF THE REAR WALL OF THE BOTTOM SECTION; A PICTURE PROJECTOR POSITIONED IN THE BOTTOM SECTION AND HAVING PROJECTION LENS MEANS SITUATED AT AN ELEVATION SUCH THAT ITS OPTICAL AXIS WILL BE ALIGNED WITH SAID EXPOSED REAR WALL PORTIONS OF THE TOP SECTION FOR PASSAGE OF IMAGE RAYS THERETO; MEANS CARRIED ON SAID EXPOSED REAR WALL PORTIONS OF THE TOP FOR REDIRECTING THE IMAGE RAYS IN A DIRECTION BACK TOWARD THE PROJECTOR BUT AT AN ELEVATION TO CLEAR THE TOP OF THE LATTER; AND TRANSLUCENT VIEWING SCREEN MEANS CARRIED BY SAID BOTTOM SECTION ADJACENT THAT PART OF THE PROJECTOR WHICH IS MOST REMOTE FROM SAID REAR WALL SECTIONS AND IN THE PATH OF SAID REDIRECTED IMAGE RAYS COMING TO FOCUS ON THE SIDE THEREOF PROXIMATE TO THE PROJECTOR TO AFFORD A RESOLVING SURFACE ON WHICH THE PROJECTED PICTURE IMAGES CAN BE RESOLVED FOR VIEWING FROM THE SIDE OF THE SCREEN MEANS REMOTE FROM THE PROJECTOR.