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Variable speed drive transmission

  • US 3,248,960 A
  • Filed: 11/13/1959
  • Issued: 05/03/1966
  • Est. Priority Date: 11/13/1959
  • Status: Expired due to Term
First Claim
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1. A VARIABLE SPEED DRIVE TRANSMISSION COMPRISING A DRIVING SHAFT, A DRIVEN SHAFT COAXIAL WITH SAID DRIVING SHAFT, A PAIR OF INNER RACES, A PAIR OF OUTER RACES, ONE OF SAID PAIRS OF RACES BEING OPERATIVELY COUPLED TO SAID DRIVING SHAFT, THE OTHER PAIR OF SAID RACES BEING OPERATIVELY COUPLED TO SAID DRIVEN SHAFT, SAID RACES FORMING AN ANNULAR GROOVE, A PLURALITY OF BALLS IN FIXED CIRCUMFERENTIAL SPACED RELATIONSHIP RADIALLY DISPLACEABLY SUPPORTED IN SAID GROOVE FOR FREE ROLLING MOVEMENT IN CONTACT WITH SAID PAIRS OF RACES, THE RACES OF SAID OUTER PAIR BEING SYMMETRICALLY SHIFTABLE WITH RESPECT TO THE MEDIAN PLANE OF SAID BALLS, AT LEAST ONE RACE OF SAID INNER PAIR BEING AXIALLY DISPLACEABLE, ROLLERS ARRANGED CIRCUMFERENTIALLY BETWEEN, AND IN CONTACT WITH, SAID BALLS, AND

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