A main body of a lens-fitted photographic film unit is provided with a film wind-up mechanism, a taking lens and a shutter mechanism. The main body with an unexposed film incorporated is covered by a front cover and a rear cover, which are directly attached to each other by arresting claws in holes formed...http://www.google.de/patents/US5170199?utm_source=gb-gplus-sharePatent US5170199 - Lens-fitted photographic film unit
