US PATENT SUBCLASS 464 / 59
.~.~ Single element has plural radially overlapping convolutions


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464 /   HD   ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS

51  DF  TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT {16}
57  DF  .~ Element has plural convolutions wound about rotational axis {3}
59.~.~ Single element has plural radially overlapping convolutions


DEFINITION

Classification: 464/59

Single element has plural radially overlapping convolutions:

(under subclass 57) Subject matter wherein said element is wound in a plurality of successive radially overlapping coils.