Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1991-04-09
1992-12-01
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 23087
Patent
active
051684110
ABSTRACT:
A tape cassette comprises a housing with a mouth formed in its front edge portion through which a magnetic tape wound around a pair of tape reels accommodated in the housing can be withdrawn. An outer lid is upwardly pivotable for opening the mouth, and an inner lid is attached to the inner surface of the outer lid and is opened and closed in association with the outer lid. The outer lid and inner lid protect front and rear surfaces of the magnetic tape at a run thereof extending across the mouth. The outer lid is provided with a projecting abutment which is brought into contact with a lid opening member disposed in a VTR or similar recording and/or reproducing apparatus at least in a final phase of a lid opening action, whereby the outer lid is opened together with the inner lid so as to be largely separated from the magnetic tape. Therefore, the tape cassette provided with outer and inner lids can be loaded into an apparatus equipped with a lid opening member for opening a previously known tape cassette without an inner lid.
REFERENCES:
patent: 4646191 (1987-02-01), Goto
patent: 4672497 (1987-06-01), Ueda
patent: 4698713 (1987-10-01), Kawada
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Tupper Robert S.
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