FR2437012A1 - TRIGGERING DEVICE FOR A FILM CONVEYOR CAMERA USING AN ELECTRIC MOTOR - Google Patents

Abstract

A.DISPOSITIF DE DECLENCHEMENT POUR UN APPAREIL PHOTOGRAPHIQUE. B.IL EST PREVU DEUX LEVIERS DE DECLENCHEMENT 61, 62 SOUMIS A L'ACTION DE DEUX RESSORTS 63, 64 AGISSANT EN SENS CONTRAIRE; LE PREMIER 61B DE CES LEVIERS SE SITUE, SOUS L'ACTION DE SON RESSORT 63, ET DANS SA POSITION DE REPOS, DANS LA TRAJECTOIRE DE LA COURSE DE LA MANIVELLE 40, 40C, ALORS QUE LE SECOND LEVIER 62B EST MAINTENU PAR LEDIT PREMIER LEVIER 61B OU PAR LA MANIVELLE 40C HORS DE LA TRAJECTOIRE DE CETTE DERNIERE, JUSQU'A CE QUE LEDIT PREMIER LEVIER 61B LIBERE LA MANIVELLE 40 PAR ACTIONNEMENT DU DECLENCHEUR 2 ET QUE LADITE MANIVELLE 40 A EXECUTE UN MOUVEMENT DE VA-ET-VIENT. C.APPLICATION AUX APPAREILS A FILM EN CASSETTE A UNE PERFORATION PAR IMAGE.A. TRIGGERING DEVICE FOR A PHOTOGRAPHIC CAMERA. B. THERE IS PROVIDED FOR TWO RELEASE LEVERS 61, 62 SUBJECT TO THE ACTION OF TWO SPRINGS 63, 64 ACTING IN THE OPPOSITE DIRECTION; THE FIRST 61B OF THESE LEVERS IS LOCATED, UNDER THE ACTION OF ITS SPRING 63, AND IN ITS REST POSITION, IN THE TRAJECTORY OF THE STROKE OF THE CRANK 40, 40C, WHILE THE SECOND LEVER 62B IS HELD BY ITS FIRST LEVER 61B OR BY CRANK 40C OUT OF THE TRAJECTORY OF THIS LATEST, UNTIL HIS FIRST LEVER 61B RELEASES CRANK 40 BY ACTUATION OF TRIGGER 2 AND SAID CRANK 40 HAS EXECUTED A BACK-AND-BACK MOVEMENT. C. APPLICATION TO CASSETTE FILM CAMERAS WITH ONE PERFORATION PER IMAGE.