US3197628A - Inflatable illuminated highway barricade - Google Patents

Inflatable illuminated highway barricade Download PDF

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US3197628A
US3197628A US281721A US28172163A US3197628A US 3197628 A US3197628 A US 3197628A US 281721 A US281721 A US 281721A US 28172163 A US28172163 A US 28172163A US 3197628 A US3197628 A US 3197628A
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barricade
inflatable
tubular member
flexible
illuminated
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Richard W Schuff
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/688—Free-standing bodies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/08—Inflatable indicator

Definitions

  • This invention relates to an inflatable illuminated highway barricade and more particularly to an inflatable illuminated highway barricade for use by the highway patrolmen or other authorized persons in areas of accidents or to warn motorists of various dangers which may be encountered in and along various roadways and/or highways.
  • barricades such as wooden rails or the like, have been used and other means such as these are not practical for transportation in highway patrol vehicles. Additionally, such barricades are not of suiflcient elevation to be seen by motorists approaching a given area of roadway from considerable distances and particularly where the surfaces of the roadways are of uneven elevation.
  • an object of the present invention to provide an inflatable illuminated highway barricade which is very compact when the barricade is deflated and which may accordingly be transported in a very small amount of space within a highway patrol vehicle.
  • Another object of the invention is to provide an inflatable illuminated highway barricade which is very compact and which may be readily and quickly moved from the interior of a highway patrol vehicle to a position in the road and inflated to a substantial elevation and size.
  • Another object of the invention is to provide an inflatable illuminated highway barricade which comprises a hollow inflatable barricade structure which is normally collapsed and of flexible material and which, when inflated, rises to a considerable elevation and which may be internally illuminated, thereby, providing an imposing barricade which is readily observed either by day or night as motorists approach the same.
  • Another object of the invention is to provide an inflatable illuminated highway barricade comprising a small base upon which batteries and a gas bottle are supported and whereon a cup shaped hollow tubular member is coupled to a flexible inflatable barricade structure so that gas from the bottle may be directed into the flatable structure and the batteries served to illuminate the interior thereof when inflated.
  • FIG. 1 is a side elevational View of an inflatable illuminated highway barricade shown inflated and in vertically distended position;
  • FIG. 2 is an enlarged fragmentary vertical sectional view of an inflatable illuminated highway barricade in accordance with the present invention.
  • the inflatable illuminated highway barricade of the present invention is provided with a base 18 which may be in the form of a box structure 12 shown in FIG. 2 of the drawings. Contained in the lower portion of this box structure and supported on the base 10 are batteries 14 having electrical conductors 16 which are coupled to a switch 18 internally of the box structure 12.
  • the switch 18 is also coupled to an electric lamp 20 contained in a hollow tubular member 22 having an open upper end 24 and an enclosed lower end 26. This open end 24 of the hollow tubular member 22 is directed upwardly and adapted to support an inflatable flexible barricade structure 28 in a vertical position.
  • This flexible inflatable barricade structure 28 is preferably made of a thin plastic material such as polyethylene or the like which may be colored-red or any other suitable material.
  • This material is transparent or translucent and adapted to be illuminated by the lamp 20 so that the light passes through the walls of the inflatable barricade and may be seen in accordance with the color of the material for considerable distances.
  • the inflatable barricade structure 28 is provided with a tubular section 30 which surrounds the upper open end 24 of the hollow tubular structure 22 and is held in fluid tight relationship therewith by a surrounding snap ring 32. It will be appreciated by those skilled in the art that the inflatable flexible barricade 28 is inflatable by gas introduced through an inlet tube 34 which communicates with a valve passage 36 controlled by a slide valve member 38 communicating with a gas bottle 40.
  • a manually operable plunger 42 connected to the slide valve 38 also operates a switch actuating arm 44 which operates switch 18 so that when the manual knob 42 is pressed inwardly a port 46 in the slide valve 38 conducts gas from the bottle to the interior of the hollow tubular member 22 and inflates the flexible inflatable barricade 28.
  • This barricade 28 is preferably provided with upwardly converging hollow tubular structure 48 having hollow limbs 50 and integral flag portions 52, all of which are translucent or transparent and disposed to conduct light throughout their entire service areas and throughout the entire vertical length of the hollow flexible inflatable barricade structure 28. Since this barricade structure is very thin and flexible, it may be packed in the hollow tubular structure 22 when in collapsed form and when inflated, may extend upwardly several feet, as for example, eight to ten or more feet above the surface of a roadway A as shown in FIG. 1 of the drawings.
  • This barricade may be carried in highway patrol cars and may quickly be operated by pressing the button 42 whereupon the barricade may be inflated to a substantial elevation and concurrently illuminated for use at night.
  • This barricade may be seen for considerable distances even when placed on vertically uneven roadways. It presents a daunting appearance since the limbs 50 and flags 52 represent a considerable amount of area.
  • a highway patrolman may carry this safety device which will operate very quickly and very eflectively to provide a substantial visual and physical barricade in or adjacent to various highways or roadways to indicate danger to oncoming motorists.
  • an inflatable illuminated highway barricade the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having anupper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means.
  • an inflatable illuminated highway barricade the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means.
  • an inflatable illuminated highway barricade the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base.
  • an inflatable illuminated highway barricade the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base; and manual means for actuating said switch and said valve for energizing said third means and conducting gas from said bottle to the interior of said tubular member.
  • an inflatable illuminated highway barricade the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base; and manual means for actuating said switch and said valve for energizing said third means and conducting gas from said bottle to the interior of said tubular member; said manual means being common

Description

July 7, 1965 R. w. SCHUFF 3,197,628
INFLATABLE ILLUMINATED HIGHWAY BARRICADE Filed May 20, 1963 IO I4 22 3 IO A INVENTOR.
\ RICHARD w. SCHUFF United States Patent Office 3,197,628 Patented July 27, 1965 3,197,628 INFLATABLE ILLUMINATED HIGHWAY BARRICADE Richard W. Schufi, 5026 E. Cheery Lynn Road, Phoenix, Ariz. Filed May 20, 1963, Ser. No. 281,721 5 Claims. (Cl. 2406.4)
This invention relates to an inflatable illuminated highway barricade and more particularly to an inflatable illuminated highway barricade for use by the highway patrolmen or other authorized persons in areas of accidents or to warn motorists of various dangers which may be encountered in and along various roadways and/or highways. I
It has been a problem to provide a barricade for roadways having suflicient size and elevation to be seen by motorists approaching a given roadway area from a considerable distance. Such barricades must be transportable by highway patrol cars or other vehicles and must during transportation be very compact, otherwise, theycannot be carried in such vehicles. Accordingly, it has been a problem to equip highway patrol vehicles with means which may serve as a highway barricade and which will be of substantial size and elevation when installed as a barricade structure in a roadway.
Various barricades, such as wooden rails or the like, have been used and other means such as these are not practical for transportation in highway patrol vehicles. Additionally, such barricades are not of suiflcient elevation to be seen by motorists approaching a given area of roadway from considerable distances and particularly where the surfaces of the roadways are of uneven elevation.
Accordingly, it is an object of the present invention to provide an inflatable illuminated highway barricade which is very compact when the barricade is deflated and which may accordingly be transported in a very small amount of space within a highway patrol vehicle.
Another object of the invention is to provide an inflatable illuminated highway barricade which is very compact and which may be readily and quickly moved from the interior of a highway patrol vehicle to a position in the road and inflated to a substantial elevation and size.
Another object of the invention is to provide an inflatable illuminated highway barricade which comprises a hollow inflatable barricade structure which is normally collapsed and of flexible material and which, when inflated, rises to a considerable elevation and which may be internally illuminated, thereby, providing an imposing barricade which is readily observed either by day or night as motorists approach the same.
Another object of the invention is to provide an inflatable illuminated highway barricade comprising a small base upon which batteries and a gas bottle are supported and whereon a cup shaped hollow tubular member is coupled to a flexible inflatable barricade structure so that gas from the bottle may be directed into the flatable structure and the batteries served to illuminate the interior thereof when inflated.
Further objects and advantages of the invention may be apparent from the following specification, appended claims and accompanying drawings, in which:
FIG. 1 is a side elevational View of an inflatable illuminated highway barricade shown inflated and in vertically distended position; and
FIG. 2 is an enlarged fragmentary vertical sectional view of an inflatable illuminated highway barricade in accordance with the present invention.
As shown in FIG. 1 of the drawings, the inflatable illuminated highway barricade of the present invention is provided with a base 18 which may be in the form of a box structure 12 shown in FIG. 2 of the drawings. Contained in the lower portion of this box structure and supported on the base 10 are batteries 14 having electrical conductors 16 which are coupled to a switch 18 internally of the box structure 12. The switch 18 is also coupled to an electric lamp 20 contained in a hollow tubular member 22 having an open upper end 24 and an enclosed lower end 26. This open end 24 of the hollow tubular member 22 is directed upwardly and adapted to support an inflatable flexible barricade structure 28 in a vertical position. This flexible inflatable barricade structure 28 is preferably made of a thin plastic material such as polyethylene or the like which may be colored-red or any other suitable material. This material is transparent or translucent and adapted to be illuminated by the lamp 20 so that the light passes through the walls of the inflatable barricade and may be seen in accordance with the color of the material for considerable distances.
The inflatable barricade structure 28 is provided with a tubular section 30 which surrounds the upper open end 24 of the hollow tubular structure 22 and is held in fluid tight relationship therewith by a surrounding snap ring 32. It will be appreciated by those skilled in the art that the inflatable flexible barricade 28 is inflatable by gas introduced through an inlet tube 34 which communicates with a valve passage 36 controlled by a slide valve member 38 communicating with a gas bottle 40. A manually operable plunger 42 connected to the slide valve 38 also operates a switch actuating arm 44 which operates switch 18 so that when the manual knob 42 is pressed inwardly a port 46 in the slide valve 38 conducts gas from the bottle to the interior of the hollow tubular member 22 and inflates the flexible inflatable barricade 28. Concurrently, the switch arm 44 is moved and actuates the switch 18 thereby conducting energy from the batteries 14 to the lamp 20 and thus, illuminating the in terior of a hollow inflatable illuminated barricade 28. This barricade 28 is preferably provided with upwardly converging hollow tubular structure 48 having hollow limbs 50 and integral flag portions 52, all of which are translucent or transparent and disposed to conduct light throughout their entire service areas and throughout the entire vertical length of the hollow flexible inflatable barricade structure 28. Since this barricade structure is very thin and flexible, it may be packed in the hollow tubular structure 22 when in collapsed form and when inflated, may extend upwardly several feet, as for example, eight to ten or more feet above the surface of a roadway A as shown in FIG. 1 of the drawings.
It has been found that the entire base 12 and hollow tube 22 with the flexible barricade collapsed and packed therein may not occupy a space greater than one cubic foot. This barricade may be carried in highway patrol cars and may quickly be operated by pressing the button 42 whereupon the barricade may be inflated to a substantial elevation and concurrently illuminated for use at night. This barricade may be seen for considerable distances even when placed on vertically uneven roadways. It presents a formidable appearance since the limbs 50 and flags 52 represent a considerable amount of area. Thus, a highway patrolman may carry this safety device which will operate very quickly and very eflectively to provide a substantial visual and physical barricade in or adjacent to various highways or roadways to indicate danger to oncoming motorists.
It will be obvious to those skilled in the art that various modifications of the present invention may be resorted to in a manner limited only by just interpretation of the following claims.
I claim:
1. In an inflatable illuminated highway barricade, the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having anupper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means.
2. In an inflatable illuminated highway barricade, the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means.
3. In an inflatable illuminated highway barricade, the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base.
4. In an inflatable illuminated highway barricade, the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base; and manual means for actuating said switch and said valve for energizing said third means and conducting gas from said bottle to the interior of said tubular member.
5. In an inflatable illuminated highway barricade, the combination of: a portable base; batteries supported thereon; an upstanding hollow tubular member having a closed bottom and an open top and supported on said base; a flexible and inflatable barricade means coupled to the upper open end of said tubular member; said hollow tubular member having an upper open end adapted to receive said flexible barricade when it is deflated for, thus, stowing said flexible barricade in said tubular member; second means communicating with the interior of said tubular member at a lower portion thereof for pneumatically inflating said barricade means; and third means coupled to said batteries and disposed in said tubular means for illuminating the interior thereof, and the interior of said flexible inflatable barricade means; switch means coupling said batteries and said third means; said second means comprising a valve and a gas bottle supported on said base; and manual means for actuating said switch and said valve for energizing said third means and conducting gas from said bottle to the interior of said tubular member; said manual means being common to both said switch means and said valve.
References Cited by the Examiner UNITED STATES PATENTS 1,217,942 3/17 Hoffman 24061.1 1,698,966 1/29 Quick 11665 1,776,182 9/30 Cook 2406.4 2,346,325 4/44 Oliver 2406.4 2,561,016 7/51 Ford et a1 4687 NORTON ANSI-1BR, Primary Examiner.

Claims (1)

1. IN AN INFLATABLE ILLUMINATED HIGHWAY BARRICADE, THE COMBINATION OF: A PORTABLE BASE; BATTERIES SUPPORTED THEREON; AN UPSTANDING HOLLOW TUBULAR MEMBER HAVING A CLOSED BOTTOM AND AN OPEN TOP AND SUPPORTED ON SAID BASE; A FLEXIBLE AND INFLATABLE BARRACADE MEANS COUPLED TO THE UPPER OPEN END OF SAID TUBULAR MEMBER; SAID HOLLOW TUBULAR MEMBER HAVING AN UPPER OPEN END ADAPTED TO RECEIVE SAID FLEXIBLE BARRICADE WHEN IT IS DEFLATED FOR, THUS, STOWING SAID FLEXIBLE BARRICADE IN SAID TUBULAR MEMBER; SECOND MEANS COMMUNICATING WITH THE INTERIOR OF SAID CALLY INFLATING SAID BARRICADE MEANS.
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601797A (en) * 1968-12-09 1971-08-24 Robert H O Connor Illuminated distress signal device
US3836761A (en) * 1973-05-30 1974-09-17 L Kleinman Electric lamp with balloon dome
US3902056A (en) * 1974-05-15 1975-08-26 Julian Borisovich Aizenberg Interior lighting fixture
US4006702A (en) * 1975-08-28 1977-02-08 St Cyr Napoleon Road buoy
US4124197A (en) * 1977-12-07 1978-11-07 God Jr Andrew Safety traffic barrier
AT378021B (en) * 1982-04-22 1985-06-10 Semperit Ag TRAVEL DIVIDER
US4824282A (en) * 1987-11-06 1989-04-25 Waldecker Donald E Methods and apparatus for quickly erecting a vehicle barrier across a roadway
US4964360A (en) * 1989-10-27 1990-10-23 Henry James G Automobile locator
US4995186A (en) * 1990-04-20 1991-02-26 Boudreau And Collie Inflatable warning sign
US5152092A (en) * 1989-05-15 1992-10-06 Brien James B O Traffic safety device
US20100115808A1 (en) * 2008-11-11 2010-05-13 Stephen Coutts Inflatable flag display
US20140110944A1 (en) * 2012-10-24 2014-04-24 California Institute Of Technology Flag instability for direct mechanical power generation
US8935988B1 (en) * 2012-06-08 2015-01-20 Jose Praxistelez Perez Emergency balloon system for roads

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1217942A (en) * 1916-02-15 1917-03-06 Harry F Hoffman Headlight-operating system.
US1698966A (en) * 1925-02-17 1929-01-15 John B Quick Signaling system
US1776182A (en) * 1928-12-29 1930-09-16 Harry A Cook Advertising device
US2346325A (en) * 1940-07-06 1944-04-11 Oliver Pell Control Ltd Light buoy
US2561016A (en) * 1950-03-17 1951-07-17 Wingfoot Corp Safety stanchion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1217942A (en) * 1916-02-15 1917-03-06 Harry F Hoffman Headlight-operating system.
US1698966A (en) * 1925-02-17 1929-01-15 John B Quick Signaling system
US1776182A (en) * 1928-12-29 1930-09-16 Harry A Cook Advertising device
US2346325A (en) * 1940-07-06 1944-04-11 Oliver Pell Control Ltd Light buoy
US2561016A (en) * 1950-03-17 1951-07-17 Wingfoot Corp Safety stanchion

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601797A (en) * 1968-12-09 1971-08-24 Robert H O Connor Illuminated distress signal device
US3836761A (en) * 1973-05-30 1974-09-17 L Kleinman Electric lamp with balloon dome
US3902056A (en) * 1974-05-15 1975-08-26 Julian Borisovich Aizenberg Interior lighting fixture
US4006702A (en) * 1975-08-28 1977-02-08 St Cyr Napoleon Road buoy
US4124197A (en) * 1977-12-07 1978-11-07 God Jr Andrew Safety traffic barrier
AT378021B (en) * 1982-04-22 1985-06-10 Semperit Ag TRAVEL DIVIDER
US4824282A (en) * 1987-11-06 1989-04-25 Waldecker Donald E Methods and apparatus for quickly erecting a vehicle barrier across a roadway
US5152092A (en) * 1989-05-15 1992-10-06 Brien James B O Traffic safety device
US4964360A (en) * 1989-10-27 1990-10-23 Henry James G Automobile locator
US4995186A (en) * 1990-04-20 1991-02-26 Boudreau And Collie Inflatable warning sign
US20100115808A1 (en) * 2008-11-11 2010-05-13 Stephen Coutts Inflatable flag display
US7836619B2 (en) * 2008-11-11 2010-11-23 Stephen Coutts Inflatable flag display
US8935988B1 (en) * 2012-06-08 2015-01-20 Jose Praxistelez Perez Emergency balloon system for roads
US20140110944A1 (en) * 2012-10-24 2014-04-24 California Institute Of Technology Flag instability for direct mechanical power generation

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