US3680885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-hydroplaning device
Assignee: McDonnell Douglas Corp
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Filing: 1971-05-06
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Granted: 1972-08-01
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Expires: 1991-05-06
Abstract
Abstract A water displacer such as a plow or scraper in front of the tires of a vehicle to remove water from a flooded surface and expose the tires to a mere wet track condition. An air jet optionally may be used between the positive displacer and the tires.
Inventors
- 👤 Pedro Decardi
- 👤 Carl S Taylor
- 👤 Geoffrey L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:16
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/026; B64; B64C; B64C25/00; B64C25/32
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
102 words
An anti-hydroplaning device comprising: a mounting bracket for attachment to a movable vehicle, an arm pivotally mounted to said bracket and extending forwardly in front of a wheel of said vehicle, a displacer device pivotally connected to the forward end of said arm and extending downwardly and rearwardly therefrom in use position, a surface contacting element on said device, a spring link pivotally interconnecting said bracket and the lower rearward portion of said displacer device to urge said element into surface contact, means continually urging said arm upwardly into stored position, and means for selectively rotating said arm downwardly to use position.
Claim 2
Dependent Claim
102 words
An anti-hydroplaning device comprising: a mounting bracket for attachment to a movable vehicle, an arm pivotally mounted to said bracket and extending forwardly in front of a wheel of said vehicle, a displacer device pivotally connected to the forward end of said arm and extending downwardly and rearwardly therefrom in use position, a surface contacting element on said device, a spring link pivotally interconnecting said bracket and the lower rearward portion of said displacer device to urge said element into surface contact, means continually urging said arm upwardly into stored position, and means for selectively rotating said arm downwardly to use position.
Claim 3
Dependent Claim
21 words
An anti-hydroplaning device as in claim 1, wherein said arm downward rotating means is an air cylinder actuated by selected condiTions.
Claim 4
Dependent Claim
18 words
An anti-hydroplaning device as in claim 2, wherein said air cylinder is actuated upon application of vehicle brakes.
Claim 5
Dependent Claim
21 words
An anti-hydroplaning device as in claim 2 wherein said air cylinder is actuated be weight of said vehicle upon said wheels.
Claim 6
Dependent Claim
22 words
An anti-hydroplaning device as in claim 1 wherein an air jet is provided to spray air on the surface behind said element.
Claim 7
Dependent Claim
36 words
An anti-hydroplaning device as in claim 5 wherein said arm and said displacer device has an air path therein for transmission of air from an air source to the ground surface in front of said wheel.
Claim 8
Dependent Claim
24 words
An anti-hydroplaning device as in claim 5 wherein air for said air jet is shut off when said arm is raised to stored position.
Claim 9
Dependent Claim
37 words
An anti-hydroplaning device as in claim 1 wherein water on said surface causes a hydrodynamic rearward drag on said element, said spring link and said drag causing a downward movement on said element to prevent hydroplaning thereof.
References 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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |