Clutch for an automobile fan
Abstract
Abstract THE DISCLOSURE IS DIRECTED TO A FLUID DRIVE COUPLING FOR USE WITH THE COOLING FAN OF AN AUTOMOBILE. A HOUSING HAVING OPPOSED INTERIOR FACES DEFINING A FLUID-RETAINING CHAMBER IS CONNECTED TO THE FAN OF AN AUTOMOBILE. A ROTABLE DRIVE PLATE IS DISPOSED WITHIN THE CHAMBER, WITH FLUID BEING PROVIDED WITHIN THE CHAMBER FOR FLUID COUPLING THE DRIVE PLATE TO THE OPPOSED INTERIOR FACES OF THE CHAMBER. THE DRIVE PLATE HAS A CENTRAL OPENING THERETHROUGH, WITH OPPOSED BEVELED SURFACES DEFINED ABOUT THE EDGES OF THE CENTRAL OPENING. A SHAFT IS ROTATABLY MOUNTED WITHIN THE HOUSING AND EXTENDS THROUGH THE CIRCULAR OPENING IN THE DRIVE PLATE. THE END OF THE SHAFT HAS EDGES WHICH ARE BENT OVER THE BEVELED SURFACE OF THE DRIVE PLATE TO PROVIDE A RIGID CONNECTION WITH THE DRIVE PLATE.
Inventors
- 👤 Bobby D Crawford
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |