Portable projector with a slide magazine

Claim 1

A PORTABLE SLIDE PROJECTOR COMPRISING A CASING HAVING A PROJECTION APERTURE LOCATED ADJACENT ONE END OF THE FRONT THEREOF AND INCLUDING A MOVABLE WALL ELEMENT PIVOTALLY MOUNTED TO SWING ABOUT AN AXIS LOCATED ON THE FRONT OF SAID CASING AT THE SIDE OF SAID APERTURE AWAY FROM SAID ONE END FOR MOVEMENT BETWEEN AN OPERATIVE POSITION AND A STORAGE AND TRANSPORT POSITION, SAID WALL ELEMENT HAVING FIRST AND SECOND ANGULARLY RELATED PORTIONS WHICH RESPECTIVELY PROJECT FORWARDLY FROM SAID FRONT OF THE CASING AND EXTEND PARALLEL TO SAID FRONT AT A DISTANCE FROM THE LATTER IN SAID OPERATIVE POSITION, AND WHICH RESPECTIVELY COVER SAID APERTURE AND FORM A SIDE OF SAID CASING AT SAID ONE END IN SAID STORAGE AND TRANSPORT POSITION; AN OPTICAL SYSTEM INCLUDING MEANS WITHIN SAID CASING FOR PROJECTING A BEAM OF LIGHT FORWARDLY THROUGH SAID APERTURE THEREBY TO ILLUMINATE A SLIDE DISPOSED IN SAID APERTURE, AND A PROJECTION LENS CARRIED BY SAID SECOND PORTION OF THE MOVABLE WALL ELEMENT TO PROJECT AN IMAGE OF THE ILLUMINATED SLIDE WHEN SAID WALL ELEMENT IS IN ITS OPERATIVE POSITION; A WALL SECTION PIVOTALLY MOUNTED AT THE FRONT OF THE CASING TO SWING ABOUT AN AXIS ADJACENT THE OTHER END OF THE LATTER, AND BEING PIVOTALLY CONNECTED TO SAID WALL ELEMENT TO REMAIN PARALLEL TO SAID FIRST PORTION OF THE LATTER SO THAT, WHEN SAID WALL ELEMENT IS IN ITS OPERATIVE POSITION, SAID WALL SECTION ALSO PROJECTS FORWARDLY FROM THE FRONT OF THE CASING; A SLIDE CARRIER MOVABLE THROUGH THE FRONT OF SAID CASING BETWEEN A RETRACTED POSITION IN THE LATTER AND EXTENDED POSITION INTERMEDIATE SAID WALL SECTION AND SAID FIRST PORTION OF THE WALL ELEMENT IN SAID OPERATIVE POSITION OF THE LATTER SO THAT SAID WALL SECTION AND FIRST PORTION OF THE WALL ELEMENT ACT TO LATERALLY GUIDE A SUPPLY OF SLIDES ON SAID CARRIER; AND FEEDING MEANS OPERATIVE TO MOVE THE REARMOST SLIDE ON SAID CARRIER FROM THE LATTER INTO SAID PROJECTION APERTURE.