US PATENT SUBCLASS 464 / 79
.~ Element includes diverging wall portions defining annular groove completely surrounding rotational axis (e.g., bellows)

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}
79.~ Element includes diverging wall portions defining annular groove completely surrounding rotational axis (e.g., bellows) {1}
80  DF  .~.~> Nonmetallic

DEFINITION

Classification: 464/79

Element includes diverging wall portions defining annular groove completely surrounding Rotational axis (e.g., bellows):

(under subclass 51) Subject matter wherein said element comprises a pair of walls which meet at a common juncture and diverge from said juncture, said walls at said juncture following a circular circumferential path which surrounds and completely encloses the rotational axis of said element with said diverging walls defining a groove surrounding said rotational axis.