Slide ejector and loading apparatus

Claim 1

A LOADING AND EJECTING APPARATUS FOR A SLIDE PROJECTOR COMPRISING A ROTATABLE ACTUATING MEMBER, MEANS FOR DRIVING SAID MEMBER ABOUT AN AXIS, A SLIDE ACTUATING ARM, MEANS PIVOTALLY MOUNTING SAID ACTUATING ARM AT ONE END THEREOF AT A POINT SPACED FROM SAID AXIS, A DRIVE PIN ATTACHED TO SAID MEMBER RADIALLY DISPOSED FROM SAID AXIS, SAID ARM DEFINING AN ELONGATED LONGITUDINAL SLOT FOR THE RECEPTION OF SAID PIN, A SLIDE ENGAGING FINGER, A PROJECTOR FRAME DEFINING AN OPTICAL APERTURE ADAPTED TO RECEIVE A SLIDE AND A HOLDER THEREFOR, A SLIDE MEMBER, MEANS IN SAID FRAME SUPPORTING TRANSLATING MOVEMENT OF SAID MEMBER FROM ONE SIDE TO THE OTHER OF THE APERTURE, A PIVOT PIN CONNECTING THE FINGER TO SAID SLIDE MEMBER, THE END OF THE ACTUATING ARM OPPOSITE THE PIVOTAL MOUNTING THEREOF DEFINING AN ELONGATED LENGTHWISE SLOT FOR THE RECEPTION OF SAID PIVOT PIN, SPRING MEANS NORMALLY BIASING THE FINGER INTO A GENERALLY HORIZONTAL DIRECTION, AN END PORTION OF SAID FINGER FORMING MEANS TO ENGAGE SAID SLIDE HOLDER, ANOTHER PORTION OF THE FINGER FORMING A CAM BEARING SURFACE, CAM MEANS ON THE ENDS OF SAID ACTUATING ARM ADJACENT TO THE FINGER FOR ENGAGEMENT WITH SAID CAM BEARING SURFACE UPON A FIRST LONGITUDINAL MOVEMENT OF SAID LEVER TO CAUSE SAID FINGER TO PIVOT OUT OF ENGAGEMENT WITH SAID HOLDER, THE ACTUATING MEMBER BEING ROTATED IN CLOCKWISE AND COUNTERCLOCKWISE DIRECTIONS RESPECTIVE TO FIRST AND SECOND TERMINAL POSITIONS THEREOF, SAID DRIVE PIN EFFECTING SAID FIRST LONGITUDINAL MOVEMENT WHEN SAID ACTUATING MEMBER APPROACHES EITHER OF SAID TERMINAL POSITIONS WHEREBY SAID FINGER IS DISENGAGED FROM SAID HOLDER,E MOVEMENT OF THE ACTUATING MEMBER FROM EITHER OF THE TERMINAL POSITIONS CAUSING REVERSE LONGITUDINAL MOVEMENT OF THE ACTUACTING ARM AND RE-ENGAGEMENT OF THE FINGER AND HOLDER, FURTHER MOVEMENT OF THE ACTUATING MEMBER BETWEEN TERMINAL POSITIONS CAUSING THE FINGER AND SLIDE HOLDER TO TRANSLATED LATERALLY WITH RESPECT TO THE PROJECTION APERTURE.