Film winder for automatic loading camera - has sprocket wheel incorporated into cassette
摘要
<p>The cassette has an internal sprocket wheel (4) which takes the film loop and passes it to the exit slot, and an external sprocket wheel (6) which couples to the camera drive. The external wheel has locating holes into which the automatic film wind claws drop when one frame has been indexed. The film is wound on a normal spool and with the last loop taken over the sprockets. The film is accurately held and transported and is suited to automatic film feed cameras.</p>
