US PATENT SUBCLASS 464 / 57
.~ Element has plural convolutions wound about rotational axis

Current as of: June, 1999
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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.~ Element has plural convolutions wound about rotational axis {3}
58  DF  .~.~> Plural radially overlapping convoluted elements
59  DF  .~.~> Single element has plural radially overlapping convolutions
60  DF  .~.~> Convoluted element has noncircular cross section

DEFINITION

Classification: 464/57

Element has plural convolutions wound about rotational axis:

(under subclass 51) Subject matter wherein said element is elongated and coiled about a longitudinal centerline which is the rotational axis of said element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40, for a spring which transmits torque by frictional engagement in an overload release coupling.