Slide projector and slide carrier therefor

Claim 1

IN COMBINATION, A SLIDE CARRYING DISK HAVING A CONTINUOUS CIRCULAR PERIPHERY AND A PLURALITY OF CIRCUMFERENTIALLY SPACED APERTURES FORMED THERETHROUGH, SAID DISK INCLUDING MEANS FOR REMOVABLY MOUNTING A PLURALITY OF FILM SLIDES IN CORNER OVERLAPPING RELATION WITH THE TRANSPARENT FILM PORTIONS OF THE SLIDES IN RESPECTIVE REGISTRY WITH SAID APERTURES WHEREBY THE SLIDES ARE UNIFORMLY IN CLINED FROM A COMMON PLANE CONTAINING THE DISK, A SLIDE PROJECTOR HAVING MEANS DEFINING THE OPTICAL AXIS OF THE PROJECTOR, SAID PROJECTOR HAVING DISK SUPPORTING MEANS INCLUDING A PAIR OF VERTICAL, PARALLEL, SPACED WALLS EXTENDING GENERALLY PERPENDICULAR TO THE OPTICAL AXIS, WHICH WALLS DEFINE A SLOT HAVING THE LOWERMOST PORTION OF SAID DISK RECEIVED THEREIN, SAID DISK SUPPORTING MEANS ALSO INCLUDING PERIPHERY ENGAGING MEANS EXTENDING BETWEEN SAID WALLS, WHICH LAST MENTIONED MEANS ARE ENGAGEMENT WITH THE PERIPHERY OF SAI DISK, SAID DISK SUPPORTING MEANS SUPPORTING SAID DISK FOR ONE AT A TIME ALIGNMENT OF SAID APERTURES WITH THE OPTICAL AXIS OF THE PROJECTOR AND ALSO SUPPORTING THE DISK IN A SUBSTANTIALLY VERITCAL PLANE INCLINED WITH RESPECT TO THE OPTICAL AXIS SO THAT A SLIDE CARRIED BY THE DISK OCCUPIES A PLANE PERPENDICULAR TO THE OPTICAL AXIS WHEN THE SLIDE IS IN REGISTRY WITH THE OPTICAL AXIS.