Tape cassette

Details Tape cassette Tape cassette

1996-06-28

1997-12-16

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

242347, 242348, G11B 23087, G11B 2304, G11B 2302

Patent

active

056975694

ABSTRACT:
In order to prevent interference between the upper flange of a tape reel and the upper edge of a magnetic tape when a tape cassette is ejected from a cassette drive system, the tape cassette case is formed with a raised portion. In the illustrated examples, the cassette case consists of upper and lower half case members, and a pair of tape reels rotatably supported in the case. When loaded in the drive system, reel holders enter first and second holder holes of the cassette case and uphold the tape reels above the inside surface of the cassette case, respectively. Each holder hole is fringed by an inner raised portion raised from the inside surface of the cassette case, and an outer raised portion which is outside the inner raised portion and lower in height than the inner raised portion.

REFERENCES:
patent: 4526330 (1985-07-01), Shimizu
patent: 4560117 (1985-12-01), Shimizu
patent: 5418671 (1995-05-01), Schoettle et al.

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