US PATENT SUBCLASS 84 / 487
.~.~ Motor operated

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
486  DF  .~ Leaf turners {8}
487.~.~ Motor operated

DEFINITION

Classification: 84/487

In these generally a spring-motor is released repeatedly to turn leaf-holding arms forward and back. The motor must be rewound from time to time. Some patents show an electric motor.