Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1983-04-06
1985-06-25
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360132, G03B 104, G11B 1532
Patent
active
045249261
ABSTRACT:
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.
REFERENCES:
patent: 3536277 (1970-10-01), Fukuda
patent: 3632894 (1972-01-01), Bretschneider et al.
patent: 3758048 (1973-09-01), Sugaya et al.
patent: 3869099 (1975-03-01), Inaga
patent: 3950787 (1976-04-01), Hosaka
patent: 4006493 (1977-02-01), Gerry
patent: 4106724 (1978-08-01), Higashida
patent: 4110801 (1978-08-01), Lemelson
patent: 4185307 (1980-01-01), Sato
patent: 4432510 (1984-02-01), Ogata et al.
Nemoto Tsuneo
Sugawara Kokichi
Christian Leonard D.
Eslinger Lewis H.
Sinderbrand Alvin
Sony Corporation
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