Apparatus for the grinding,honing and abrasive finishing of annular workpieces,especially bearing rings
Abstract
Abstract AN APPARATUS FOR THE GRINDING, HONING OR ABRASIVE FINISHING OF BEARING RINGS IN WHICH A TURRET OR MAGAZINE IS PROVIDED WITH A PLURALITY OF ANGULARLY EQUISPACED OUTWARDLY OPEN POCKETS. THE WORKPIECE ARE FED TO THE POCKETS IN SUCCESSION AND ARE SWUNG BY THE TURRET DISK INTO AT LEAST TWO WORKING POSITIONS BEFORE BEING RELEASED AT A DISCHARGE STATION. EACH OF THE WORKING STATIONS INCLUDES A DRIVE SPINDLE ADAPTED TO BEAR AGAINST ONE FACE OF THE WORKPIECE WHILE THE OTHER FACE THEREOF IS ENGAGED BY A FREELY ROTATING SLEEVE COMBINED WITH A FLUID-CENTERING ARRANGEMENT WHICH IS AXIALLY THRUST INTO THE INTERIOR OF THE RING-SHAPED BODY. A SHAPING TOOL ENGAGES THE OUTER PERIPHERY OF THE RING.
Inventors
- 👤 Ernst Thielenhaus
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |