Photographic flash apparatus

Claim 1

FLASH LIGHTING APPARATUS FOR USE WITH A PHOTOGRAPHIC CAMERA AND COMPRISING A REFLECTOR UNIT AND A MAGAZINE UNIT, SAID REFLECTOR UNIT INCLUDING A HOUSING HAVING A PORTION OF AN INWARDLY DISHED REFLECTING SURFACE, MEANS DEFINING A CYLINDRICAL BORE EXTENDING LATERALLY THROUGH SID HOUSING, A PIVOT PIN MOUNTED ON SID HOUSING IN SAID BORE AND DISPOSED APPROXIMATELY AT THE APEX OF SAID REFLECTING SURFACE AND PERPENDICULAR TO ITS OPTICAL AXIS, SAID MAGAZINE UNIT BEING IN THE FORM OF A DRUM RECEIVED ROTATABLY AND DETACHABLY ON SAID PIVOT PIN, A BASE AND A PLURALITY OF ANGULARLY SPACED RECESSES ON SAID MAGAZINE UNIT, A FLASH LAMP MOUNTED ON SAID BASE WITHIN EACH OF SAID RECESSES WITH ITS LONGITUDINAL AXIS PARALLEL TO SID PIVOT PIN, ROTATION OF SAID MAGAZINE UNIT MOVING EACH OF SAID LAMPS SUCCESSIVELY INTO AN OPERATIVE POSITION WITH ITS RESPECTIVE RECESS FORMING THE APEX OF SAID REFLECTING SURFACE, A POWER SUPPLY DEVICE CONTAINED WITHIN THE HOUSING OF SAID REFLECTOR UNIT FOR SUPPLYING ENERGY TO SAID LAMPS, A GUIDE FLANGE ON SAID PIVOT PIN HAVING AN OPENING, AND A PROJECTION ON SAID DRUM ADAPTED TO PRESS THROUGH SAID OPENING TO PERMIT AXIAL INSERTION AND REMOVAL OF SAID DRUM ONLY IN A FIXED ANGULAR POSITION, SAID DRUM WHEN IN OTHER ANGULAR POSITIONS ROTATING ON SAID PIVOT PIN WITHOUT SUBSTANTIAL AXIAL MOVEMENT, TO BRING SUCCESSIVE FLASH LAMPS INTO OPERATIVE POSITION.