Combination bushing puller and mounting device

Claim 1

A DEVICE FOR USE IN REMOVING A BUSHING OF A TYPE INCLUDING CONCENTRIC INNER AND OUTER STRAIGHT-WALLED CYLINDRICAL SHELLS JOINED BY AN INNER WEB OF A RESILIENT MATERIAL FROM AN OPENING IN A SOLID BODY IN WHICH SAID BUSHING IS PRESS-FIT, COMPRISING: (A) A ROD HAVING A COLLAR THAT IS INTERMEDIATELY DISPOSED BETWEEN THE ENDS THEREOF TO DIVIDE SAID ROD INTO FIRST AND SECOND PORTIONS, SAID SECOND PORTION HAVING THREADS FORMED ON AT LEAST THAT PART THEREOF ADJACENT THE END THEREOF, WITH SAID SECOND PORTION BEING ADAPTED TO EXTEND THROUGH SAID INNER SHELL; (B) A RIGID CUP HAVING A FIRST OPEN END THAT BEARS AGAINST SAID BODY, AND A SECOND END IN WHICH AN APERTURE IS FORMED THROUGH WHICH SAID FIRST PORTION OF SAID ROD PROJECTS; (C) A FIRST RIGID RING HAVING AN INTERIOR CIRCUMFERENTIALLY EXTENDING BODY SHOULDER AT THE JUNCTION OF A BORE AND COUNTERBORE, WHICH BORES EXTEND LONGITUDINALLY THROUGH SAID RING, WITH SAID COLLAR BEING SLIDABLY DISPOSED IN SAID BORE IN SAID FIRST RING AND IN ABUTTING CONTACT WITH SAID SHOULDER, WHICH FIRST RING HAS AN INWARDLY TAPERING FIRST END SURFACE THAT IS PARTIALLY INSERTABLE BETWEEN FIRST ENDS OF SAID INNER AND OUTER SHELLS; (D) A SECOND RIGID RING MOUNTED ON SAID SECOND ROD PORTION, WHICH SECOND RING HAS AN INWARDLY TAPERING SECOND END SURFACE THAT IS PARTIALLY INSERTABLE BETWEEN SECOND ENDS OF SAID INNER AND OUTER SHELLS; (E) A NUT THAT ENGAGES SAID THREADS ON SAID SECOND PORTION OF SAID ROD, WHICH SECOND NUT WHEN ROTATED IN A DIRECTION TO MOVE IT TOWARDS SAID COLLAR FORCES SAID SECOND RING TOWARDS SAID SHELLS TO CENTER SAID INNER SHELL RELATIVE TO SAID OUTER SHELL, WITH THE TRANSVERSE CROSS SECTION OF SAID SECOND NUT AND SECOND RING BEING OF SUCH DIMENSIONS AS TO PERMIT THE SAME TO BE MOVED THROUGH SAID OPENING; AND (F) MEANS FOR MOVING SAID FIRST PORTION OF SAID ROD RELATIVE TO SAID CUP TO FORCE SAID FIRST END THEREOF AGAINST SAID BODY AND MOVE SAID SECOND PORTION OF SAID ROD, BUSHING, SECOND RING AND NUT THROUGH THE OPENING IN SAID BODY TO SEPARATE SAID BUSHING THEREFROM.

Claim 2

A DEVICE FOR USE IN REMOVING A BUSHING OF A TYPE INCLUDING CONCENTRIC INNER AND OUTER STRAIGHT-WALLED CYLINDRICAL SHELLS JOINED BY AN INNER WEB OF A RESILIENT MATERIAL FROM AN OPENING IN A SOLID BODY IN WHICH SAID BUSHING IS PRESS-FIT, COMPRISING: (A) A ROD HAVING A COLLAR THAT IS INTERMEDIATELY DISPOSED BETWEEN THE ENDS THEREOF TO DIVIDE SAID ROD INTO FIRST AND SECOND PORTIONS, SAID SECOND PORTION HAVING THREADS FORMED ON AT LEAST THAT PART THEREOF ADJACENT THE END THEREOF, WITH SAID SECOND PORTION BEING ADAPTED TO EXTEND THROUGH SAID INNER SHELL; (B) A RIGID CUP HAVING A FIRST OPEN END THAT BEARS AGAINST SAID BODY, AND A SECOND END IN WHICH AN APERTURE IS FORMED THROUGH WHICH SAID FIRST PORTION OF SAID ROD PROJECTS; (C) A FIRST RIGID RING HAVING AN INTERIOR CIRCUMFERENTIALLY EXTENDING BODY SHOULDER AT THE JUNCTION OF A BORE AND COUNTERBORE, WHICH BORES EXTEND LONGITUDINALLY THROUGH SAID RING, WITH SAID COLLAR BEING SLIDABLY DISPOSED IN SAID BORE IN SAID FIRST RING AND IN ABUTTING CONTACT WITH SAID SHOULDER, WHICH FIRST RING HAS AN INWARDLY TAPERING FIRST END SURFACE THAT IS PARTIALLY INSERTABLE BETWEEN FIRST ENDS OF SAID INNER AND OUTER SHELLS; (D) A SECOND RIGID RING MOUNTED ON SAID SECOND ROD PORTION, WHICH SECOND RING HAS AN INWARDLY TAPERING SECOND END SURFACE THAT IS PARTIALLY INSERTABLE BETWEEN SECOND ENDS OF SAID INNER AND OUTER SHELLS; (E) A NUT THAT ENGAGES SAID THREADS ON SAID SECOND PORTION OF SAID ROD, WHICH SECOND NUT WHEN ROTATED IN A DIRECTION TO MOVE IT TOWARDS SAID COLLAR FORCES SAID SECOND RING TOWARDS SAID SHELLS TO CENTER SAID INNER SHELL RELATIVE TO SAID OUTER SHELL, WITH THE TRANSVERSE CROSS SECTION OF SAID SECOND NUT AND SECOND RING BEING OF SUCH DIMENSIONS AS TO PERMIT THE SAME TO BE MOVED THROUGH SAID OPENING; AND (F) MEANS FOR MOVING SAID FIRST PORTION OF SAID ROD RELATIVE TO SAID CUP TO FORCE SAID FIRST END THEREOF AGAINST SAID BODY AND MOVE SAID SECOND PORTION OF SAID ROD, BUSHING, SECOND RING AND NUT THROUGH THE OPENING IN SAID BODY TO SEPARATE SAID BUSHING THEREFROM.