Headlight wiper
Abstract
Abstract AN AIR-DRIVEN ROTARY WIPER FOR REMOVING DIRT FROM AN AUTOMOBILE HEADLIGHT LENS COMPRISING A SPINDLE ADAPTED TO BE ATTACHED TO THE LENS, AND AN AIR PROPELLER FREELY ROTATABLE ON THE SPINDLE AND LONGITUDINALLY DISPLACEABLE THEREON, SAID PROPELLER HAVING LOGITUDINALLY CURVED VANES DEFINING A DOWNSTREAM CURVED CONCAVE SURFACE WHICH IS DOWNWARDLY AND REARWARDLY INCLINED, EACH VANE HAVING ITS EDGE NEARER THE HEADLIGHT LENS, PROVIDED WITH A SERIES OF STRAIGHT LENS CONTACTING WIPING BLADES, EACH INCLINED RELATIVE TO THEIR CIRCULAR PATH, SO THAT SUCCESSIVE BLADES ALONG THE VANE WILL MOVE IN OVERLAPPING CIRCULAR PATHS TO COMPLETELY CLEAN THE LENS WHILE MOVING THE SAME RADIALLY OUTWARDLY OF THE LENS. THE WIPER STARTS TO ROTATE AT LOW AUTOMOBILE SPEED DESPITE FRICTION OF THE BLADES WITH THE LENS SURFACE AND THE BLADES ARE APPLIED TO THE LENS SURFACE WITH A FORCE INCREASING WITH THE SPEED OF THE VEHICLE, SO THAT EFFICIENT CLEANING IS ACHIEVED AND A MAXIMUM WIPER SPEED IS OBTAINED.
Inventors
- 👤 Patrick Champigny
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |