Device for preventing the reverse movement of film
Abstract
Abstract A DEVICE FOR REGULATING THE REST POSITION OF FILM IN A MOVIE CAMERA HAVING CLAW MEANS FOR INTERMITTENTLY FEEDING THE FILM IN FORWARD AND REVERSE DIRECTIONS EMPLOYS A PAIR OF OPPOSITELY ARRANGED FILM LOCKING MEMBERS. EACH FILM LOCKING MEMBER HAS ONE END CONNECTED TO THE BODY OF THE CAMERA AND AN OPPOSITE FREE END. THE FREE END OF EACH FILM LOCKING MEMBER IS FORMED TO PROVIDE A PAWL FOR ENTRY INTO A FILM PERFORATION AND A LATERALLY SPACED PORTION WHICH IS COOPERABLE WITH A SLIDE MEMBER. THE FILM LOCKING MEMBERS ARE BIASED SO THAT THEIR PAWL MEMBERS ARE NORMALLY URGED TOWARD THE FILM FOR ENTRY INTO THE PERFORATIONS. THE SLIDE MEMBER IS MOVABLE TO SELECTIVELY ENGAGE ONE OR THE OTHER FILM LOCKING MEMBERS AT ITS SLIDE MEMBER COOPERABLE PORTION TO SELCTIVELY RETRACT ONE PAWL FROM A FILM PERFORATION WHILE THE OTHER PAWL REMAINS IN A FILM PERFORATION.
Inventors
- 👤 Yoshihisa Katsuyama
Bibliographic Details
Claims Analysis
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