Patent ID: 6052532
Filing Date: 2000-04-18
Classification: G03B

Abstract:
A one-time-use camera comprising a main body part with a film take-up chamber, a film spool rotatable in said film take-up chamber, a film winding thumbwheel supported for winding rotation in coaxial engagement with said film spool to similarly rotate said film spool to take up an exposed filmstrip, and an anti-backup pawl for preventing unwinding rotation of said thumbwheel, is characterized in that:said film take-up chamber has a bottom loading opening through which said film spool is longitudinally received in the film take-up chamber;said film spool has an end flange with a circular array of teeth that face said bottom loading opening, when the film spool is received in said film take-up chamber, to make each one of said teeth simultaneously accessible proximate the bottom loading opening; anda bottom lid is configured to connect to said main body part, over said bottom loading opening, when said film spool is received in said film take-up chamber, to close said film take-up chamber, and said bottom lid supports said anti-backup pawl for the pawl to engage any one of said teeth in order to prevent unwinding rotation of said thumbwheel.