Tape cassette having rewind control mechanism

Details Tape cassette having rewind control mechanism Tape cassette having rewind control mechanism

1988-06-09

1989-10-17

Werner, David

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 718, G11B 23087

Patent

active

048741434

ABSTRACT:
A tape cassette which has a limited access rewind system includes a one-way coupling arranged to communicate between the spool and the rewind mechanism. The one-way coupling mechanism includes an engagement disc which is mounted in the housing and forms a part of the take-up spool. The one-way coupling device serves to engage automatically to prevent rotation of the spool relative to the engagement member in the unwinding direction and to release automatically to permit free rotation of the spool in the winding direction. A locking mechanism is located in the housing which is operable to secure the engagement member against rotation and thereby prevent rotation of the spool in the take-up direction. The locking mechanism may be released to disengage the engaging member to permit free rotation of the engagement member and spool about the take-up access. The tape cassette also includes a releasable latching mechanism which serves to lock each spool against rotation during shipping and handling.

REFERENCES:
patent: 4447020 (1984-05-01), Toi et al.
patent: 4512535 (1985-04-01), Dickson et al.
patent: 4702434 (1987-10-01), Braver

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