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BALL CAGE FOR BALL TYPE CONSTANT VELOCITY JOINT

  • US 3,447,341 A
  • Filed: 12/19/1966
  • Issued: 06/03/1969
  • Est. Priority Date: 12/19/1966
  • Status: Expired due to Term
First Claim
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1. A CONSTANT VELOCITY UNIVERSAL JOINT OF THE TYPE HAVING AN INNER MEMBER WITH BALL RECEIVING GROOVES THEREIN, AN OUTER MEMBER WITH AN AXIAL OPENING IN WHICH THE INNER JOINT MEMBER IS RECEIVED, THE OUTER JOINT MEMBER HAVING BALL RECEIVING GROOVES IN THE SURFACE THEREOF SURROUNDING THE OPENING THEREIN, EACH GROOVE IN THE INNER MEMBER DISPOSED IN A PAIRED MIRROR-IMAGE RELATIONSHIP WITH A GROOVE IN THE OUTER MEMBER, A DRIVE BALL POSITIONED IN EACH PAIR OF GROOVES, AND AN ANNULAR BALL CAGE POSITIONED BETWEEN SAID MEMBERS AND HAVING BALL RECEIVING OPENINGS THEREIN FOR HOLDING THE DRIVE BALLS IN A SINGLE PLANE, WHEREIN THE IMPROVEMENT COMPRISES, EACH OF SAID BALL RECEIVING OPENINGS HAVING OPPOSED AXIALLY FACING WALL PORTIONS FORMED ARCUATELY IN THE CIRCUMFERENTIAL DIRECTION, THE AXIAL DISTANCE BETWEEN THE MEDIAL PORTION OF SAID OPPOSED AXIALLY FACING WALL PORTIONS BEING SUBSTANTIALLY GREATER THAN THE DIAMETER OF THE BALL RECEIVED THEREIN, EACH OF SAID OPENINGS ALSO HAVING OPPOSED CIRCUMFERENTIAL FACING WALL PORTIONS WHICH ARE SO FORMED AND SUFFICIENTLY SPACED FOR ALLOWING THE BALL RECEIVED IN THE OPENING TO SHIFT CIRCUMFERENTIALLY RELATIVE THERETO AND RELATIVE TO THE AXIALLY FACING WALL PORTIONS.

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