Teletype Corporation

Richard F Vee

Kurt Rothlisberger

Paul L Mika

An apparatus and method for accurately locating a record-playback head with respect to a tape carried within a conventional tape cassette. The cassette is oriented within a cradle by means of a pair of parallel guide pins which engage the alignment openings of the cassette. A playback-record head is mounted upon a mounting clip which defines a U in cross-section having a record-playback head mounting leg and an alignment leg. The alignment leg defines two alignment surfaces which cooperate with the guide pins to accurately position the clip and the record-playback head carried thereon with respect to the cradle and a cassette carried therein.

Method and apparatus for mounting a cassette record-playback head

An apparatus and method for cleaning an informational tape carried in a tape cassette. The cassette is positioned within a cradle defining a rear wall. Mounted to the wall for rotary movement thereon is a bobbin wrapped with cleaning fabric. Coaxially secured to the bobbin is a ratchet wheel and positioned for actuation of the ratchet wheel is a drive pawl. The drive pawl is carried by a pawl arm mounted for substantially linear movement in response to the placement of a tape cassette within the cradle. Positioning of the cassette within the cradle imparts linear motion to the pawl arm causing the bobbin to incrementally rotate exposing a clean segment of the cleaning fabric to the informational tape.

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Chicago, IL, United States of America

Richard F Vee