Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1987-10-30
1989-11-28
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
242198, G11B 2304
Patent
active
048841595
ABSTRACT:
A magnetic tape cassette which can be smoothly assembled and smoothly operated for a long period of time without any malfunctions in operation. In the magnetic tape cassette, a spring support for holding a hub brake spring and an abutment for provisionally holding an extension of a hub brake spring are pivoted on a lower casing member of a casing in which a magnetic tape is received, and a release element for releasing the provisionally held hub brake spring from the abutment to transfer it to a spring engagement of the hub brake is provided on the upper casing member. Also, the spring engagement is arranged on the other side of the hub brake so as to project therefrom.
REFERENCES:
patent: 4572461 (1986-02-01), Horikawa et al.
patent: 4635879 (1987-01-01), Sumida et al.
patent: 4646190 (1987-02-01), Meguro
patent: 4676453 (1987-06-01), Komijama et al.
patent: 4678138 (1987-07-01), Nemoto
patent: 4714213 (1987-12-01), Watanabe et al.
patent: 4750074 (1988-06-01), Oishi
patent: 4771351 (1988-09-01), Tanaka et al.
TDK Corporation
Wolff John H.
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