Patent ID: 6226457
Filing Date: 2001-05-01
Classification: G03B

Abstract:
A method for loading a film cartridge in a one-time use camera, said cartridge having a filmstrip, said method comprising the steps of:placing the film cartridge in a film cartridge chamber of a camera frame assembly;mounting an anti-backup subsystem on said camera frame assembly, said anti-backup subsystem having first and second mechanical members, said first mechanical member being biased into a disengaged position relative to said second mechanical member;following said mounting, winding a main portion of the filmstrip from said film cartridge to a film supply chamber of said camera frame assembly in a prewind direction;prior to said winding, light-tightly closing said film chambers;following said winding, biasing said first mechanical member into an engaged position relative to said second mechanical member, wherein said anti-backup system precludes winding of said filmstrip in said prewind direction.