Telex Computer Products, Inc.

Philip E Deck

Robert F McCollum

Robert J Jones

This invention covers means in connection with magnetic recording devices, to position, latch and remove reels from a driving hub, and actuation means therefor. The hub onto which the tape reel is placed carries an elastic sleeve about which the reel is placed. An actuation rod which passes through the hollow shaft of the drive motor carries a spool, to which three link bars are hinged. These are in radial planes spaced at 120.degree. to each other. The link bars are attached respectively to three shoes which are adapted to press outward against the inside wall of the elastic sleeve, which expanded outward against, and securely grips the reel hub. Also involved in the linkages between the link bars and the shoes are three dogs, which are adapted to press the reel hub against the drive hub and/or to lift the reel hub, depending on the position of the actuator rod. The actuator rod is adapted to be operated in push-pull fashion by a handle on the front face of the mechanism, or by means of a vacuum actuator mounted behind the reel drive motor.

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Tulsa, OK, United States of America

Philip E Deck