Having Film Transport Mechanism Locked By Perforation Sensing Pawl Patents (Class 396/400)
  • Patent number: 5899590
    Abstract: The invention relates to a photographic recording or reproducing device, preferably a camera, with a transportation device for the frame-by-frame transportation of a film along a film transportation path and with a film measuring device with an engagement member rotatable about an axis for engaging in perforation holes of a peripheral perforation of the film, the film transportation device being locked when the film reaches a position during its transportation which is provided for the recording or reproduction of an image, and the engagement member comprising an advancing engagement element in relation to its rotational movement and a trailing support element and being adjustable transversely to the film transportation path as a function of the abutment of the support element upon a surface extending parallel to the film transportation path.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: May 4, 1999
    Assignee: AGFA Gevaert Aktiengesellschaft
    Inventors: Rolf Schroder, Claus Steiner
  • Patent number: 5887209
    Abstract: A camera that prevents frame shifting without hindering a film feeding. The camera includes a cartridge chamber housing a film cartridge, a film passage forming member, a film passage restricting the film in accordance with the film passage forming member, a film introduction route from the cartridge chamber to the film passage. The camera further includes a frame shift prevention member with an insertion unit engaging with the film perforations and controlling the film movement. An angle of inclination of an opposing face on the insertion unit is provided so that a surface of the opposing face on the cartridge chamber side is coplanar to smoothly connect with a wall in the film introduction route.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: March 23, 1999
    Assignee: Nikon Corporation
    Inventors: Akio Nishizawa, Junichi Omi