U.S. patent application number 11/897276 was filed with the patent office on 2009-03-05 for flood-actuated roadblock barrier gate.
Invention is credited to John D. Neff.
Application Number | 20090060649 11/897276 |
Document ID | / |
Family ID | 40407794 |
Filed Date | 2009-03-05 |
United States Patent
Application |
20090060649 |
Kind Code |
A1 |
Neff; John D. |
March 5, 2009 |
Flood-actuated roadblock barrier gate
Abstract
Two barrier gates pivot over a flooded road one for each side of
the road where the stream or river would flood the road. Floodwater
contact plates or paddles on the barrier gate bottoms move the
barrier gate from the force of the floodwater to block traffic from
crossing the flooded road from both directions. A heavy spring on
each barrier gate normally keeps the barrier gate off the road and
allows the barrier gate to pivot from obstructing the traffic back
to its original non-blocking position once flood water recedes.
Inventors: |
Neff; John D.; (Austin,
TX) |
Correspondence
Address: |
Donald W. Meeker;Patent Agent
924 East Ocean Front #E
Newport Beach
CA
92661
US
|
Family ID: |
40407794 |
Appl. No.: |
11/897276 |
Filed: |
August 27, 2007 |
Current U.S.
Class: |
404/6 |
Current CPC
Class: |
E01F 13/06 20130101 |
Class at
Publication: |
404/6 |
International
Class: |
E01F 13/00 20060101
E01F013/00 |
Claims
1. A flood warning road barrier device comprising: a least one road
barrier gate mounted on a pivot post on an upstream side of a
roadway having a water passage running beneath the roadway, the at
least one road barrier gate comprising a rigid barrier structure
for blocking traffic from one direction on the roadway and a bottom
solid water receiving paddle extending vertically below the rigid
barrier structure with a bottom of the water receiving paddle above
and adjacent to a level of the roadway, a tension member attached
between the rigid barrier structure and the pivot post to retain
the rigid barrier structure normally in a first position parallel
to the roadway spaced apart from at least one travel lane on the
roadway so that when a water level in the water passage exceeds the
level of the roadway to cause flooding of the roadway the moving
water flows over the surface of the road and hits the water
receiving paddle to cause the rigid barrier structure to pivot
horizontally about the pivot post and swing over the at least one
travel lane to a second position perpendicular to the roadway to
block vehicles from traveling over the flooded roadway, the at
least one road barrier gate moved by the force of river or stream
floodwater flowing over the surface of the road, a means for
stopping the rigid barrier structure in the second position
substantially perpendicular to the roadway to block the at least
one travel lane, and after the water level recedes from the surface
of the roadway the tension member causing the rigid barrier
structure to swing back to the first position parallel to the
roadway to allow vehicles to travel on the roadway.
2. The device of claim 1 wherein the at least one road barrier gate
comprises a pair of road barrier gates each mounted on a pivot post
on an upstream side of a two-way roadway having a water passage
running beneath the roadway, each of the road barrier gates
normally in a first position parallel the roadway spaced apart
&om the travel lanes, the pivot posts spaced apart so that each
of the road barrier gates swings to a second position on one side
of the flooded roadway perpendicular to the roadway blocking
vehicles from traveling from the one side of the flooded roadway so
that the pair of road barrier gates together block vehicles from
traveling over the flooded roadway from both sides of the flooded
roadway.
3. The device of claim 1 wherein the rigid barrier structure is
longer than the width of the travel lanes of the roadway and the
means for stopping the rigid barrier structure in a second position
comprises a barrier structure stop on the opposite side of the
roadway from the pivot post, the barrier structure stop comprises a
rigid structure contacting the rigid barrier structure.
4. The device of claim 3 further comprising a magnetic attraction
means for assisting in retaining the rigid barrier structure in
contact the barrier structure until the flood waters recede and the
tension means swings the barrier structure back to the first
position.
5. The device of claim 1 further comprising at least one light on
the at least one barrier gate for signaling traffic at night and a
means for activating the at least one light when the barrier
structure contacts the means for stopping the barrier
structure.
6. The device of claim 5 wherein the at least one light comprises
at least one battery powered flashing light and the means for
activating the at least one battery powered flashing light
comprises a pair of contacts closing an electric circuit between at
least one battery and the at least one flashing light.
7. The device of claim 1 wherein the barrier gate further comprises
a plurality of reflectors visible to traffic at night.
8. The device of claim 1 further comprising a barrier structure
extension for blocking passage of non-vehicular traffic.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] Not Applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
[0002] Not Applicable.
THE NAMES OF THE PARTIES TO A JOINT RESEARCH OR DEVELOPMENT
[0003] Not Applicable.
BACKGROUND OF THE INVENTION
[0004] 1. Field of the Invention
[0005] The present invention relates to road barriers and
particularly to a flood-actuated road barrier which comprises a
flood roadblock gate system that is moved by the force of river or
stream floodwater flowing over a road and which crosses over the
road thereby blocking and preventing vehicles from driving into the
floodwater on the road; the flood roadblock gate system comprises
two gates, one gate for each side of the road where the stream or
river would cross the road, each gate having one or more floodwater
contact plates or paddles on the bottom thereof to move the gate
using the force of the floodwater to block traffic from crossing
the flooded road from both directions; a heavy spring on each gate
keeps the gate off the road and allows the gate to pivot from
obstructing the traffic back to its original non-blocking position
once flood water recedes.
[0006] 2. Description of Related Art Including Information
Disclosed Under 37 CFR 1.97 and 1.98
[0007] Flooded roadways are dangerous for vehicles to drive
through. Damage may occur to the vehicle, or worse yet, the driver
and passengers may lose their lives. The depth of the water is hard
to gauge and often looks shallower than it is. Indicating signs and
lights have been developed to alert the driver that the floodwater
over the road is too deep to drive through. These flood warning
indicators are not often posted at stream or river crossings, but
even when they are posted, drivers do not tend to heed their
warnings.
[0008] Examples of built-in roadway water barriers which divert
floodwater from road surfaces are shown in U.S. Patent Application
No. 20060072969 and U.S. Pat. Nos. 7,114,879; 6,623,210; 6,623,209;
6,338,594; 6,309,730 and 5,460,462. However, these examples are not
designed to stop traffic from passing through a flooded road.
[0009] U.S. Pat. No. 7,037,031, issued May 2, 2006 to Haynie, is
for an automatic barricade for low water crossings which includes a
trench across a road that is covered by a grate allowing vehicular
traffic during normal dry weather. Inside the trench is a series of
barricade elements, each of which includes a float. When rising
water fills the trench to a predetermined level, each float rises
and elevates the elements above the road. The barricade elements
are sufficiently robust and intimidating to deter motorists from
driving over them but are spaced apart to be light enough to be
easily actuated by the float. The barricade elements are
sufficiently close together that vehicles cannot pass between them.
In another embodiment, a sensor is adjacent the trench to detect
rising water and communicates with a motor connected to the
barricade elements for raising them to a traffic blocking
position.
[0010] U.S. Pat. No. 4,879,545, issued Nov. 7, 1989 to Aguilar,
provides a safety indicator device for low water crossing for
signaling danger from floodwater over a low water crossing area.
The device has a support post, a message panel, and flashing lights
in electrical connection with an energy source, the electrical
connection being completed by triggering a switch lever by either a
tank float rigidly mounted to a bottom end of a centrally disposed
elongate guide member or by a donut-shaped tank float received
about the elongate guide member and stopped by a stop member,
either the rigidly mounted float pushing the elongate rod upwards
and triggering the switch lever, or the donut shaped tank float and
stop pushing the elongate rod upwards and triggering the switch
lever.
[0011] U.S. Pat. No. 2,607,835, issued Aug. 19, 1952 to Bonar,
shows an indicator placed on the side of the road, which is
actuated by rising water, to indicate that the water height over
the road is dangerous for vehicles to drive through.
[0012] U.S. Pat. No. 874,608, issued Dec. 24, 1907 to Luther,
claims a danger signal which is responsive to rising water or fire
and which uses lights or bells to indicate the bridge, railway, or
road is not passable.
[0013] U.S. Pat. No. 6,688,028, issued Feb. 10, 2004 to Backe,
describes a condition responsive traffic sign, wherein the
controller may detect or sense a loss of electrical power, a drop
in temperature below freezing, moisture (precipitation) or water
(flooding) in the environment. A vertically disposed placard has
two sections, one disposed over the other, with the upper section
of the placard attached to a pole, standard or other mount. A hinge
connects the bottom perimeter edge of the fixed section with the
top perimeter edge of the lower, pivotable section, allowing the
front surface of the pivotable section to rotate and fold flat
against the front surface of the upper, fixed section. A catch
mechanism releaseably holds the two sections flat against each
other, preventing the pivotable section from unfolding. An
electrical controller is attached to the back surface of the fixed
section of the placard and senses when a condition to which the
sign is responsive occurs. Upon the occurrence, the controller
causes release of the catch mechanism, allowing the pivotable
section to unfold under the force of a bias (e.g., spring) and/or
gravity, or by an electric motive mechanism to display the front
surfaces of both sections of the placard. When the condition no
longer exists, the device may be returned to its folded
configuration manually or electromotively (if so equipped). When
the placard is unfolded, the front surfaces of the placard together
display a first sign item, and when the placard is folded, the back
surface of the pivotable section is presented and can display a
second sign item. Therefore, alternative sign items may be
displayed, depending on whether the sections of the placard are
folded or unfolded.
[0014] U.S. Pat. No. 116,247, issued Jun. 20, 1871 to Way,
indicates a pivotable flood-gate for erecting over a stream, which
during a flood is pushed open by the floodwater, and which closes
after the flooding by means of heavy iron or steel springs.
[0015] U.S. Pat. No. 944,210, issued Dec. 21, 1909 to Rhodes, puts
forth a spring-closed flood gate which is placed across a
stream.
[0016] U.S. Pat. No. 6,646,559, issued Nov. 11, 2003 to Smith,
concerns a method and apparatus for activating warning devices. The
invention provides a system and method for activating one or more
warning devices, such as weather warning sirens, environmental
warning devices, gates that may automatically close in order to
alter the effect or course of the flash flood or to divert traffic
away from the flash flood, and the like, from a remote or central
location. Warning devices situated across geographically dispersed
areas can be remotely controlled from a central location, such as a
weather center, on the basis of detected and predicted weather
patterns and other environmentally hazardous events. One or more
warning devices can be quickly and easily activated through a
computer-implemented user interface that allows a user to select a
group of warning devices that are in the path of an approaching
hazardous event. Each warning device is activated through a
communication line that transmits an activation code to each
device. Each device provides confirmation that it has been
activated, and the resulting activation is indicated on a computer
screen.
[0017] What is needed is a system of pivotable road barriers which
automatically close over the roadway to block traffic by the force
of moving water flooding the roadway and which automatically close
by the force of a tension means when the water recedes.
BRIEF SUMMARY OF THE INVENTION
[0018] An object of the present invention is to provide a system of
pivotable road barriers with bottom water receiving paddles or
panels which cause the barrier gates to automatically close over
the roadway to block traffic by the force of moving water flooding
the roadway and pushing against the paddles and which automatically
close by the force of a tension means between each barrier gate and
a pivot post when the water recedes.
[0019] In brief, a flood-actuated road barrier which comprises a
flood roadblock gate system that is moved by the force of river or
stream floodwater flowing over a road and which crosses over the
road thereby blocking and preventing vehicles from driving into the
floodwater on the road. The flood road barrier gate system
comprises two barrier gates, one barrier gate for each side of the
road where the stream or river would cross the road. Each barrier
gate has one or more floodwater contact plates or paddles on the
bottom thereof to move the barrier gate using the force of the
floodwater to block traffic from crossing the flooded road from
both directions. A heavy spring on each barrier gate normally keeps
the barrier gate off the road and allows the barrier gate to pivot
from obstructing the traffic back to its original non-blocking
position once flood water recedes.
[0020] An advantage of the present invention is that it provides a
system of pivotable road barriers which automatically close over
the roadway to block traffic by the force of moving water flooding
the roadway and which automatically close by the force of a tension
means when the water recedes.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
[0021] These and other details of my invention will be described in
connection with the accompanying drawings, which are furnished only
by way of illustration and not in limitation of the invention, and
in which drawings:
[0022] FIG. 1 is a top plan view of a section of a roadway crossing
over a perpendicular waterway showing the tops of the barrier gates
of the present invention in the normal position parallel to the
roadway on an upstream side of the roadway;
[0023] FIG. 2 is a side elevational view of the section of the
roadway crossing over the perpendicular waterway of FIG. 1, showing
the ends of the barrier gates in the normal position parallel to
the roadway on an upstream side of the roadway;
[0024] FIG. 3 is a top plan view of a section of the roadway
crossing over the perpendicular waterway of FIG. 1 with the roadway
flooded showing the tops of the barrier gates in the roadblock
position stretching across the roadway perpendicular to the roadway
blocking the travel lanes of the roadway and the sidewalks;
[0025] FIG. 4 is a side elevational view of the section of the
roadway crossing over the perpendicular waterway of FIG. 3, with
the roadway flooded showing the front of the closer barrier gate in
the roadblock position stretching across the roadway perpendicular
to the roadway blocking the travel lanes of the roadway and the
sidewalks;
[0026] FIG. 5 is a front elevational view of one of the barrier
gates showing the lights and reflectors that face the flow of
traffic during flooding;
[0027] FIG. 6 is a front elevational view of the other of the
barrier gates showing the lights and reflectors that face the flow
of traffic during flooding;
[0028] FIG. 7 is a front elevational view of a barrier gate having
an alternate embodiment of the bottom water receiving paddle with
one portion in parallel alignment with the barrier gate and another
portion extending perpendicularly away from the barrier gate;
[0029] FIG. 8 is an end elevational view of the barrier gate of
FIG. 7 having an alternate embodiment of the bottom water receiving
paddle with one portion in parallel alignment with the barrier gate
and another portion extending perpendicularly away from the barrier
gate.
DETAILED DESCRIPTION OF THE INVENTION
[0030] In FIGS. 1-8, a flood warning road barrier device 10
comprises a pair of barrier gates 20A and 20B with bottom water
receiving paddles 22A and 22B, respectively, for pivoting the
barrier gates when flood water 40 pushes on the paddles so that the
gates block traffic flow from both directions on either side of the
flooded roadway 30.
[0031] At least one road barrier gate for a one-way road and
preferably a pair of barrier gates 20A and 20B are each mounted on
a pivot post 21A and 21B, respectively, on an upstream side of a
roadway 30 having a passage of water 40 running beneath the roadway
30. Each road barrier gate 20A and 20B comprises a rigid barrier
structure for blocking traffic from one direction on the roadway,
such as the two way traffic in a first lane 33A and a second lane
33B in FIGS. 1 and 3, and a bottom solid water receiving paddle 22A
and 22B extending vertically below the rigid barrier structure with
a bottom of the water receiving paddle above and adjacent to a
level of the roadway 30. A tension member 28A and 28B is attached
between the rigid barrier structure and the pivot post 21A and 21B
to retain the rigid barrier structure normally in a first position
parallel to the roadway, as in FIGS. 1 and 2 spaced apart from the
travel lanes 33A and 33B on the roadway 30 so that when the level
of the water 40 in the water passage exceeds the level of the
roadway 30 to cause flooding of the roadway the moving water 40
hits the water receiving paddles 22A and 22B to cause the rigid
barrier structures to swing over the travel lanes to block vehicles
from traveling over the flooded roadway. A magnetic device 25A and
25B means stops the rigid barrier structures 20A and 20B in a
second position substantially perpendicular to the roadway 30, as
shown in FIGS. 3 and 4, to block the travel lanes. After the water
level recedes from the roadway the tension member 28A and 28B
causing the rigid barrier structure to swing back to the first
position, as shown in FIG. 1, parallel to the roadway 30 to allow
vehicles to travel on the roadway.
[0032] The rigid barrier structure 20A and 20B is longer than the
width of the travel lanes 33A and 33B of the roadway and the means
for stopping the rigid barrier structure in a second position
comprises a barrier structure stop 25A and 25B, respectively, on
the opposite side of the roadway from the pivot post, the barrier
structure stop comprising a rigid structure contacting the rigid
barrier structure and a magnetic attraction means for assisting in
retaining the rigid barrier structure in contact the barrier
structure until the flood waters recede and the tension means 28A
and 28B swings the barrier structure back to the first
position.
[0033] In FIGS. 5 and 6 showing the sides of the barrier gates
facing traffic on the roadway, at least one light 18 and preferably
an array of lights on each barrier gate 20A and 20B signals traffic
at night. A means for activating the preferably battery powered
flashing lights 18 comprises a pair of contacts closing an electric
circuit between at least one battery and the flashing lights when
the barrier structure contacts the means for stopping the barrier
structure. The barrier gate preferably also further comprises a
plurality of reflectors 17 visible to traffic at night.
[0034] A barrier structure extension may be added if needed for
blocking passage of non-vehicular traffic. If an extra gate is
needed to prevent any foot traffic, bikes or motorized vehicles
from the area of rising water further up the road this additional
gate can be attached to the flood actuated gate by an fixed length
rod. Rod can be made of metals, plastics, wood, or any material
that is rigid. Rod length varies depending on the distance between
flood actuated gate and extra gate.
[0035] In use, the flood actuated barrier gates 20A and 20B are
closed due to rising water, when water 40 flowing with a minimum
force of 50 lbs per square foot at a depth of at least 6'' over the
roadway 30 overcomes the tension apparatus (spring, cords, flexible
material). One barrier gate 20B moves clockwise and the other
barrier gate 20A moves counterclockwise by the force of the moving
water 40 and when fully closed each barrier gate will be blocking
the road 30 and walkways 34A and 34B that is being immersed in the
rising water with the barrier gates parallel to the rising water 40
and perpendicular to the road and walkway.
[0036] When the barrier gates are open or at rest, they are
parallel to the road and perpendicular to the flow or potential
flow of water.
[0037] Barrier gates can be of variable height, length, and
composition. Each barrier gate can be offset to the other gate as
to prevent the gates from hitting each other when being open or
closed.
[0038] When the gate is closed by the force of the rising water,
the attraction force of the magnet will be less than the tension of
the spring, so once the rising water is retreating, and the force
of the wafer is less than the force of the tension apparatus, the
tension apparatus will bring the gate back to its open position, as
in FIGS. 1 and 2. The fixed stops fabricated of any material
prevent the gate for going past its open position.
[0039] Eart tension member 28A and 28B can be fabricated of a
spring, a rubber cord, or other flexible material returning to its
original shape after extension which requires a minimum of 50 lbs
of force exerted on it to fully extend it. One end of the tension
member is attached to the movable portion of the barrier gate and
the other to a fixed base of the barrier gate.
[0040] The plate or paddle 22A and 22B attached to the barrier gate
can be of a variable size of 1 square foot to 5 square feet, and
fabricated of varied materials resistant to water and positioned at
different heights off the ground. In an alternate embodiment of the
paddle 22C in FIGS. 7 and 8, the main portion of the paddle 20C is
parallel to the barrier gate 20C and an orthogonal paddle extension
23 is perpendicular to the barrier gate 20C. Plates or paddles can
also be curved. When the plates or paddles have a force of water
pushing on them greater than 50 lbs/sq-ft, the barrier gates will
pivot over to block the roadway 30.
[0041] The tension of the tension members and size of the metal
plates or paddles can be increased to compensate for any extra
weight of the barrier gate, such as a barrier gate which is extra
long for a wide roadway or has an extension gate for a
sidewalk.
[0042] It is understood that the preceding description is given
merely by way of illustration and not in limitation of the
invention and that various modifications may be made thereto
without departing from the spirit of the invention as claimed.
* * * * *