Cassette and cassette adapter for use therewith

摘要

A tape cassette for use with a cassette adapter in a video tape recorder (VTR) of the type including a reel driving device, includes a housing; a supply reel rotatably positioned within the housing; a take-up reel rotatably positioned about a fixed axis of rotation within the housing and including a lower flange having a periphery; and an engaging device formed by gear teeth on the periphery of the lower flange, or a first gear rotatably positioned about the fixed axis of rotation adjacent the lower flange and having a periphery and gear teeth formed on its periphery; the reel driving device including a rotatable second gear having gear teeth for engaging with the gear teeth of the engaging device through an opening in the housing to rotate the take-up reel, or a cassette adapter positioned within the apparatus for housing the cassette and having a drive gear with gear teeth for engaging with the gear teeth of the engaging device through the opening in the housing and a drive shaft for engaging with the drive gear to control the latter to rotate the take-up reel. The cassette also includes a lid pivotally mounted to the front of the housing and a lid lock device for preventing pivotal movement of the lid to its open position when the cassette is not positioned within the VTR.