US PATENT SUBCLASS 464 / 78
.~ Element is tube with slot through wall to provide flexibility

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}
78.~ Element is tube with slot through wall to provide flexibility

DEFINITION

Classification: 464/78

Element is a tube with slot through wall to provide flexibility:

(under subclass 51) Subject matter wherein said element is an elongated tube having an opening cut through the wall thereof to facilitate flexure of the element.