Patent US3596974A successfully refreshed from Google Patents.
US3596974A
Expired / Lapsed
US
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Air current deflecting device
Assignee: Individual
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Filing: 1969-03-10
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Granted: 1971-08-03
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Expires: 1989-03-10
Abstract
Abstract An air current deflecting device for use with a vehicle pulling a trailer or the like. An elongated transparent deflecting shield is pivotally secured to a pair of spaced-apart support members which are detachably secured to the vehicle so as to position the deflecting shield above the roof of the vehicle. The shield includes a face portion having a length approximately equal to the width of the vehicle roof and having wing portions at opposite ends thereof which extend downwardly and rearwardly therefrom. The shield is selectively movable from a position wherein the leading edge of the face portion is positioned below and forwardly of the trailing edge of the face portion so that the inclined face portion will deflect air currents passing over the vehicle roof upwardly and rearwardly above the forward end of the trailer. The lower or leading edge of the shield is positioned above the vehicle roof to permit a certain amount of air to pass therebelow to eliminate the formation of a vacuum pocket rearwardly of the shield means. The shield may also be selectively pivoted to an inoperative position wherein the face portion of the shield is substantially parallel to the roof of the vehicle.
Inventors
- 👤 John Q Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:17
CPC Classifications
B; B62; B62D; B62D35/00; B62D35/001; B62D35/002
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
184 words
An air current deflecting device for a vehicle pulling a trailer, comprising, a support means adapted to be detachably secured to the vehicle roof, and an elongated deflecting shield means mounted on said support means spaced above the roof of said vehicle, said shield means having its longitudinal axis transverse to the direction of travel of said vehicle and having a face portion with leading and trailing edges, said trailing edge normally being positioned above and rearwardly of said leading edge so that said face portion deflects the air passing over the roof of said trailer, said support means being comprised of first and second support members detachably secured to said vehicle at opposite sides of the roof thereof, each of said support members including first and second resilient suction cup members mounted on the roof and having a bar secured thereto and extending therebetween, an upstanding post means secured to said bar and extending upwardly therefrom, said shield means being pivotally secured to the upstanding post means on said first and second support members inwardly of the outer ends of said shield means.
Claim 2
Dependent Claim
184 words
An air current deflecting device for a vehicle pulling a trailer, comprising, a support means adapted to be detachably secured to the vehicle roof, and an elongated deflecting shield means mounted on said support means spaced above the roof of said vehicle, said shield means having its longitudinal axis transverse to the direction of travel of said vehicle and having a face portion with leading and trailing edges, said trailing edge normally being positioned above and rearwardly of said leading edge so that said face portion deflects the air passing over the roof of said trailer, said support means being comprised of first and second support members detachably secured to said vehicle at opposite sides of the roof thereof, each of said support members including first and second resilient suction cup members mounted on the roof and having a bar secured thereto and extending therebetween, an upstanding post means secured to said bar and extending upwardly therefrom, said shield means being pivotally secured to the upstanding post means on said first and second support members inwardly of the outer ends of said shield means.
Claim 3
Dependent Claim
44 words
The device of claim 1 wherein said post means is longitudinally adjustably mounted on said bar, and wherein said post means is length adjustable whereby the relationship of said leading edge of said shield means with respect to the vehicle roof may be changed.
Claim 4
Dependent Claim
45 words
The device of claim 2 wherein said shield means has a pair of spaced-apart braces secured thereto, said braces being pivotally secured to said post means, said braces having an arm member secured thereto and extending therebetween at the rearward side of said shield means.
Claim 5
Dependent Claim
166 words
In combination with a vehicle towing a trailer therebehind, said vehicle having a top, a support means secured to the vehicle, an elongated deflecting shield means mounted on said support means spaced above said vehicle top, said shield means having its longitudinal axis transverse to the direction of travel of said vehicle and having a face portion with leading and trailing edges, said trailing edge normally being positioned above and rearwardly of said leading edge so that said face portion deflects air passing thereover at least upwardly over the forward portion of the trailer, said leading edge being spaced above said vehicle top so that air will pass below said shield means to prevent the formation of objectionable vacuum pockets rearwardly of said shield means, said shield means being selectively vertically secured to said support means to permit the selective spacing of said leading edge with respect to the vehicle top to vary the amount of air flowing between said vehicle top and said leading edge.
Claim 6
Dependent Claim
166 words
In combination with a vehicle towing a trailer therebehind, said vehicle having a top, a support means secured to the vehicle, an elongated deflecting shield means mounted on said support means spaced above said vehicle top, said shield means having its longitudinal axis transverse to the direction of travel of said vehicle and having a face portion with leading and trailing edges, said trailing edge normally being positioned above and rearwardly of said leading edge so that said face portion deflects air passing thereover at least upwardly over the forward portion of the trailer, said leading edge being spaced above said vehicle top so that air will pass below said shield means to prevent the formation of objectionable vacuum pockets rearwardly of said shield means, said shield means being selectively vertically secured to said support means to permit the selective spacing of said leading edge with respect to the vehicle top to vary the amount of air flowing between said vehicle top and said leading edge.
Claim 7
Dependent Claim
54 words
The combination of claim 4 wherein said shield means includes a pair of wing portions extending rearwardly from opposite ends of said face portion, said face portion having a length substantially equal to the width of said vehicle top so that said wing portions are positioned adjacent the opposite sides of the vehicle respectively.
Claim 8
Dependent Claim
52 words
The combination of claim 4 wherein said shield means is pivotally secured to said support means about a horizontal axis which is transverse to the direction of travel of the vehicle, said shield means being pivotally movable to an inoperative position whereby said face portion is substantially parallel to said vehicle top.
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |