US PATENT SUBCLASS 84 / 489
.~.~ Hand and spring operated arms


Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
486  DF  .~ Leaf turners {8}
489.~.~ Hand and spring operated arms


DEFINITION

Classification: 84/489

The arms are started by hand and their movement continued by springs. Accessories, Leaf-Turners, Spring-Operated Arms. Each arm has a spring tending to carry it from right to left. The arm is held by a latch, catch, detent, or dog. This may be liberated by a releaser, trigger, key, or finger-piece.