Process for assembling a sealing means on the trunnion of a universal joint

Claim 1

A PROCESS FOR ASSEMBLING A SEALING MEANS ON A TRUNNION WHEREIN THE END FACE OF THE TRUNNION AND THE INTERNAL END FACE OF A BEARING RACE WHICH WOULD BE SUBSEQUENTLY POSITIONED ON SAID TRUNNING ARE FORMED AS COOPERATING THRUST SURFACES AND THE INNER END OF SAID BEARING RACE ADJACENT THE OPEN END THEREOF IS ADAPTED AS A SEAL ENGAGING SURFACE AND SAID SEALING MEANS INCLUDES A METALLIC ELEMENT AND RESILIENT MEANS WITH THE METALLIC ELEMENT INCLUDING AN ANNULAR BASE PORTION AND AN ANNULAR TRNNION PRESSING PORTION AND WITH SAID RESILIENT MEANS INCLUDING AN ANNULAR LIP PORTION ADAPTED TO BE POSITIONED BETWEEN SAID BASE PORTION AND THE SEAL ENGAGING SURFACE OF SAID BEARING RACE COMPRISING THE STEPS OF (A) POSITIONING SAID SEALING MEANS IN AN AXIALLY ALIGNED RELATIONSHIP WITH SAID TRUNNION. (B) PRESSING ON SAID METALLIC ELEMENT OF SAID SEALING MEANS AND PRESSING THE LATTER AXIALLY RELATIVE TO SAID TRUNNION UNTIL SAID METALLIC ELEMENT IS PRESSINGLY SECURED TO SAID TRUNNION AT A POSITION WHEREIN SAID ANNULAR LIP PORTION IS AT AS DISTANCE FROM THE THRUST FACE OF SAID TRUNNION OF .012 TO .030 INCH LESS THAN THE DISTANCE FROM THE BEARING RACE THRUST SURFACE TO THE SEAL ENGAGING SURFACE OF SAID BEARING RACE, (C) WHEREBY, WHEN A BEARING RACE IS POSITIONED ON SAID TRUNNION WITH THE END FACES THEREOF IN THRUSTING ENGAGEMENT, THE SEAL ENGAGING SURFACE AND SAID ANNULAR LIP PORTION WILL BE SEALINGLY ENGAGED WITH AND SAID LIP PORTION DEFORMED .012 TO .030 INCH.