Class 84/506 - Actuators and finger pieces integral

Subclass of Class 84 - Music
Definition: Each finger-piece is integral with its actuator. The latter
No. of patents: 3
Last issue date: 08/11/1987

Number	Title	Issue Date
4685374	Page turning apparatus and method A page turning device is provided in which a first elongated arm is rotatably mounted for circular motion substantially parallel to but above the plane of the volume. A page lifting facility cooperates with the rotation of the first elongated arm to permi...	08/11/1987
4553467	Page turning apparatus and method A page turning device is provided in which a first elongated arm is rotatably mounted for circular motion substantially parallel to but above the plane of the volume. A page lifting facility cooperates with the rotation of the first elongated arm to permi...	11/19/1985
4020733	Page turning device A first horizontal elongated plate has a longitudinally extending slot therein. Each of a plurality of vertical L shaped members has a bottom horizontal leg disposed at right angles to the slot and an upwardly disposed vertical leg. Each of a like plurali...	05/03/1977

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