Slip spline assembly

• US 3,367,142 A
• Filed: 05/31/1966
• Issued: 02/06/1968
• Est. Priority Date: 05/31/1966
• Status: Expired due to Term

• Current Assignee: Raymond F. Lowry, Wilson T. Groves
• Original Assignee: Raymond F. Lowry, Wilson T. Groves
• Inventors: Groves, Wilson T., Lowry, Raymond F.
• Application Number:
  US04/554,132
• Time in Patent Office: 616 Days
• US Class Current: 464/162
• CPC Class Codes: F16D 3/06 specially adapted to allow axial displacement
• CPC Class Codes: F16D 3/387 Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork

Claims

1. IN A DRIVE SHAFT SLIP SPLINE ASEMBLY, THE COMBINATION INCLUDING:

(A) AN AXIALLY EXTENDING SHAFT, (B) AN AXIALLY EXTENDING SLEEVE SURROUNDING SAID SHAFT, (C) SPLINES INTEGRAL WITH SAID SHAFT AND EXTENDING GENERALLY RADIALLY OUTWARDLY, (D) SPLINES INTEGRAL WITH SAID SLEEVE AND EXTENDING GENERALLY RADIALLY INWARDLY, (E) EACH OF SAID SPLINES ON SAID SHAFT HAVING SIDE WALLS EXTENDING LONGITUDINALLY OF SAID SHAFT, SAID SPLINES TERMINATING OUTWARDLY IN FACES FORMING THE OUTERMOST PERIPHERAL PORTION OF SAID STUB SHAFT, (F) A ROUND BOTTOM PORTION DISPOSED BETWEEN A PAIR OF FLAT SIDE WALLS ON ADJACENT SPLINES ON SAID SHAFT TO FORM A GROOVE THEREBETWEEN, (G) A NYLON COATING ADHERINGLY DEPOSITED ON SAID SHAFT TO FORM A LOAD BEARING FRICTION SURFACE THEREALONG, (H) SAID SPLINES ON SAID SLEEVE HAVING SIDE WALLS EXTENDING LONGITUDINALLY ALONG SAID SPLINES, SAID SIDE WALLS ON EACH OF SAID SPLINES EXTENDING INWARDLY, SAID SPLINES ON SAID SLEEVE TERMINATING RADIALLY INWARDLY BY INWARD FACES FORMING THE INNERMOST PERIPHERAL PORTION OF SAID SLEEVE, (I) SAID SIDES OF SAID SLEEVE SPLINES TERMINATED RADIALLY OUTWARDLY BY OUTWARD FACES THAT SPACE SAID SLEEVE SPLINES PERIPHERALLY FROM ONE ANOTHER TO THEREBY FORM GROOVES THEREBETWEEN, (J) SAID SPLINES ON SAID SLEEVE AND SAID SPLINES ON SAID SHAFT BEING IN INTER-FITTED ENGAGEMENT, SAID SPLINES ON SAID SHAFT BEING DISPOSED IN SAID GROOVES IN SAID SLEEVE AND THE SPLINES ON SAID SLEEVE BEING DISPOSED IN GROOVES ON SAID SHAFT, (1) EACH OF SAID SIDE WALLS ON SAID SLEEVE ABUTTING ENGAGING A COATED SIDE WALL ON SAID SHAFT, (2) EACH OF SAID OUTWARD FACES ON SAID SLEEVE ABUTTINGLY ENGAGING SAID COATED OUTWARD FACES ON SAID SHAFT, (3) CHAMFERED PORTIONS ON EACH OF SAID SPLINES ON SAID SHAFT SPACEDLY DISPLACED FROM THE ADJACENT SIDE WALL AND OUTER FACE OF THE ENGAGING SLEEVE SPLINE, (4) EACH OF SAID ROUND FACE OF THE ENGAGING OF SAID SHAFT SPACEDLY DISPLACED FROM SAID INNER FACES OF SAID SLEEVE SPLINE, (K) WHEREBY UNDER LOAD BEARING RELATIONSHIP SAID SPLINE AND SHAFT ARE FREELY TELESCOPICALLY MOVABLE AND SAID GROOVES FORMED BY SAID ROUND BOTTOM PORTIONS PROVIDED CLEARANCE FOR COLD FLOW OF SAID COATING.