Multi-format photographic camera

Claim 1

A MULTI-FORMAT ROLL FILM CAMERA INCLUDING A VARIABLE FILM ADVANCE FEEDING MECHANISM COMPRISING A PLURALITY OF DETENT DISKS SPACED AXIALLY FROM ONE ANOTHER AND MOUNTED FOR ROTATION TOGETHER, ONE OF SAID DISKS BEING PROVIDED FOR EACH FORMAT AND EACH HAVING CIRCUMFERENTIALLY SPACED DETENTS, SAID DISKS BEING ADAPTED TO BE ROTATED BY TRAVEL OF THE FILM, A DETENT LATCH, MEANS FOR MOUNTING SAID DETENT LATCH FOR MOVEMENT TRANSVERSELY OF SAID DETENT DISKS SO AS TO BE SELECTIVELY ENGAGEABLE WITH THE DETENTS IN ANY ONE OF SAID DISKS, MEANS FOR WINDING THE FILM, LOCK MEANS FOR SAID FILM WINDING MEANS PIVOTALLY MOVABLE BETWEEN AN ENGAGED AND A RELEASED POSITION, SAID DETENT LATCH BEING OPERATIVELY CONNECTED TO SAID LOCK MEANS SO THAT SAID DETENT LATCH IS ENGAGED WITH A SELECTED ONE OF SAID DETENT DISKS SIMULTANEOUSLY WITH THE MOVEMENT OF SAID LOCK MEANS TO SAID ENGAGED POSITION.