Data Electronics, Inc.

Manfred G Michelson

William W Valliant

A tape transport includes a fixed support for receiving a tape cartridge having a tape drive roller engaged with a bi-directional capstan. The capstan, together with a reversible capstan drive motor and a heat sink surrounding the motor, comprise an integral unit which is mounted to the cartridge support through biasing springs which enable the unit to pivot about its center of gravity relative to the support. The capstan, through its c.g. mount, applies a constant force to the tape drive roller indpendently of external forces acting on the tape drive unit. The electrical drive circuit for the capstan motor includes power transistors which are an integral part of the heat sink for maximizing use of the heat sink as a means for dissipating heat generated by operation of the capstan drive motor and power transistors.

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Van Nuys, CA, United States of America

Manfred G Michelson