Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1980-12-18
1983-01-25
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242200, G03B 104, G11B 1532
Patent
active
043699359
ABSTRACT:
A tape cassette comprises pivotally supported first and second carriages having respective hubs rotatably carried thereby and wrapped with magnetic recording tape to form rolls of tape, a biasing spring for biasing the first and second carriages in a direction close towards each other, and a drive wheel rotatably supported inside the cassette and having a coupling disc adapted to receive a rotational force necessary to rotate the drive wheel. The rolls of tape on the respective hubs are, by the action of the biasing spring, forced to contact the drive wheel from opposite directions. In order to create a difference between the pressure of contact of one roll to the drive wheel and that of the other roll to the drive wheel when the tape cassette is in use, a friction element is provided for each of the carriages to impart a resistance to the corresponding carriage in a direction counter to the direction of pivotal movement of the corresponding carriage. A tape transport mechanism necessary to generate the rotational force is also disclosed.
REFERENCES:
patent: 4225099 (1980-09-01), Schoettle et al.
patent: 4262859 (1981-04-01), Yamanaka
Christian Leonard D.
Omron Tateisi Electronics Co.
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