发明授权
US4396282A Disc film holder for photographic printer 失效
用于摄影打印机的光盘胶片夹

  • 专利标题: Disc film holder for photographic printer
  • 专利标题(中): 用于摄影打印机的光盘胶片夹
  • 申请号: US349928
    申请日: 1982-02-18
  • 公开(公告)号: US4396282A
    公开(公告)日: 1983-08-02
  • 发明人: Richard D. Anderson
  • 申请人: Richard D. Anderson
  • 申请人地址: MN Minneapolis
  • 专利权人: Pako Corporation
  • 当前专利权人: Pako Corporation
  • 当前专利权人地址: MN Minneapolis
  • 主分类号: G03B27/62
  • IPC分类号: G03B27/62
Disc film holder for photographic printer
摘要:
A disc film holder holds a generally disc-like photographic film unit having a plurality of image frames and indexes and disc-like photographic film unit to position selected image frames at a predetermined position, such as a print gate aperture in a photographic printer. The disc-like film unit is held coaxially about a central post and is rotationally indexed about a central axis. When the film unit is rotated for indexing a selected image frame to the print gate aperture, the film unit is biased upwardly to an indexing position so that both the top and bottom surfaces of the film is maintained out of contact with any surface during rotation. When the disc has been indexed so that the selected image is in alignment with the print gate aperture, the film unit is forced downwardly to a non-indexing position and the frame to be printed is clamped at the print gate aperture for transferring an image to photographic print paper.
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