Full format variable width film hold-down device
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United States of America Patent
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-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Mar 21, 1988
filing date -
Mar 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A variable width transparent photographic film vacuum hold-down device. Two spaced parallel vacuum slits formed on a flat platen are connected by the longitudinal edges of the film, and when covered by a flexible cover sheet form two vacuum channels holding the film flat and unobscured to the extreme edges. Any film width not exceeding the length of the vacuum slits is held without any modification or adjustment to the device. Any length of film can be used.
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Cited Art Landscape
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