Tape cassettes having bottom grooves for use in tape recorder ha

Details Tape cassettes having bottom grooves for use in tape recorder ha Tape cassettes having bottom grooves for use in tape recorder ha

1987-04-10

1989-02-07

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360 965, 360132, G11B 15675, G11B 23087

Patent

active

048035750

ABSTRACT:
An improved standard size video cassette has a top shell and a bottom shell held together so as to define a rectangular casing for storing therein a magnetic tape wound on reels. The bottom shell is formed with a groove having a width sufficiently wide to receive the projection therein with hardly any contact during cassette insertion into or ejection from the holder. An improved reduced size video cassette has a top shell and a bottom shell held together so as to define a rectangular casing for storing therein a magnetic tape wound on reels. The bottom shell is formed with the groove which is located such that a distance between the center of the groove and one end of the rectangular casing is slightly smaller than the distance between a center of the projection and one of the opposite side plates.

REFERENCES:
patent: 4580183 (1986-04-01), Maeda et al.
patent: 4622605 (1986-11-01), Tsurudka et al.

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