Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-07-13
1979-08-21
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B63H 7578
Patent
active
041650514
ABSTRACT:
A video cassette tape reel comprises at least one flange; a ring hub having a groove in parallel to the axis of the hub; a clamp fitted to the groove; and peripheral guides formed in the hub between which the clamp is fitted, whereby a tape clamped on the ring hub is not contacted with the flange in winding the tape.
REFERENCES:
patent: 1578231 (1926-03-01), Deses
patent: 2991955 (1961-07-01), Post
patent: 3836091 (1974-09-01), Hurtig
Okamura Masatoshi
Shiba Haruo
McCarthy Edward J.
TDK Electronics Co. Ltd.
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