Tape cassette with features for preventing the tape from moving

Details Tape cassette with features for preventing the tape from moving Tape cassette with features for preventing the tape from moving

1976-07-01

1977-12-13

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360132, G03B 104, G11B 1532, G11B 2304

Patent

active

040625060

ABSTRACT:
A novel tape cassette which has tape guides that prevent the tape from moving upwardly or downwardly in the cassette and which are constructed by providing interleafed guides which are formed by molding from opposite sides of the top and lower half of the cassette during construction. It has been discovered that the tape guides molded in plastic cassettes tend to incline or tilt away from the front edge of the cassette which result in the tape moving upward or downwardly as it engages such inclined tape guides. The present invention provides for forming a portion of the guides from the upper half of the cassette and other portions of the guides formed from the lower cassette half such that the combination of the upper and lower guides interleaf and result in the tape being maintained in the desired center relationship while traveling in either direction.

REFERENCES:
patent: 3432111 (1969-03-01), Ryder
patent: 3666203 (1972-05-01), Sato et al.
patent: 3796394 (1974-03-01), Souza

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