US PATENT SUBCLASS 464 / 61
.~ Element is a spring coiled about centerline angularly related to or radially spaced from 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}
61.~ Element is a spring coiled about centerline angularly related to or radially spaced from rotational axis {1}
62  DF  .~.~> Plural springs {4}

DEFINITION

Classification: 464/61

Element is a spring coiled about centerline angularly related to or radially spaced from rotational axis:

(under subclass 51) Subject matter wherein said element is a helically coiled resilient element, and wherein the center

line of the helix is either radially spaced from or extends at an angle to the rotational axes of members interconnected by said element.