Spool drive for film cartridge in single-use camera
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United States of America Patent
Stats
-
Nov 28, 1995
Grant Date -
N/A
app pub date -
Mar 16, 1994
filing date -
Mar 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single-use camera comprises a film cartridge including a cartridge shell and a film spool rotatably supported inside the shell with a cylindrical drive hub end axially protruding from the shell, and a manually rotatable film advance thumbwheel with an axially depending drive spindle engaging the drive hub end to rotate the spool. The cylindrical drive hub end has a pair of adjoining semi-cylindrical wall portions, one of which protrudes farther from the shell than the other. The drive spindle has a single semi-cylindrical wall portion matingly shaped to engage the cylindrical drive hub end at its pair of adjoining semi-cylindrical wall portions.
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Family
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Cited Art Landscape
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