Photographic flash unit

Claim 1

A PHOTOGRAPHIC DEVICE COMPRISING A CAMERA HAVING A SHUTTER, A HOUSING ATTACHED TO SAID CAMERA, A CONCAVE REFLECTOR SUPPORTED ON SAID HOUSING, A ROTATABLE TURRET ON SAID HOUSING ADJACENT SAID REFLECTOR, SAID TURRET BEING PROVIDED WITH A PLURALITY OF PERIPHERALLY SPACED LAMP SOCKETS, SAID REFLECTOR BEING PROVIDED WITH A SLOT ADAPTED TO BE TRAVERSED BY A SUCCESSION OF FLASH LAMPS RESPECTIVELY LODGED IN SAID SOCKETS WHEREBY SAID LAMPS CAN BE CONSECUTIVELY BROUGHT INTO A FIRING POSITION IN SAID REFLECTOR, A SOURCE OF ELECTRIC ENERGY IN SAID HOUSING, A SERIES OF ANGULARLY SPACED FIRST CONTACTS ON SAID TURRET HAVING LEADS RESPECTIVELY TERMINATING AT SAID SOCKETS, A STATIONARY SECOND CONTACT ON SAID HOUSING SUCCESSIVELY ENGAGEABLE BY SAID FIRST CONTACTS UPON ROTATION OF SAID TURRET, CO-OPERATING INDEXING MEANS ON SAID TURRET AND ON SAID HOUSING FOR ARRESTING SAID TURRET IN A PLURALITY OF ANGULAR POSITIONS IN WHICH SAID SECOND CONTACT ENGAGES RESPECTIVE ONES OF SAID FIRST CONTACTS, SAID LAMPS RESPECTIVELY OCCUPYING SAID FIRING POSITION IN SAID ANGULAR POSITIONS, CONDUCTOR MEANS CONNECTING SAID SOURCE AND SAID SECOND CONTACT IN A CIRCUIT FOR ENERGIZING A LAMP IN FIRING POSITION BY WAY OF A RESPECTIVE FIRST CONTACT, NORMALLY OPEN SWITCH MEANS IN SAID CIRCUIT CONTROLLED BY SAID SHUTTER FOR MOMENTARILY CLOSING SAID CIRCUIT AT THE TIME OF AN EXPOSURE, RELEASE MEANS FOR MOMENTARILY INACTIVATING SAID INDEXING MEANS BETWEEN EXPOSURES, AND FORCE-EXERTING MEANS ACTING UPON SAID TURRET FOR ROTATING SAME TO THE NEXT ANGULAR POSITION UPON THE INACTIVATION OF SAID RELEASE MEANS.