Traffic Director Patents (Class 404/9)
  • Patent number: 6540434
    Abstract: A shock absorbing member that is particularly suitable for use as a part of a crash barrier system for motor vehicles is disclosed. The shock absorbing member includes a matrix formed from granulated rubber bonded together by a glue.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: April 1, 2003
    Inventor: Darren John Hotchkin
  • Patent number: 6536369
    Abstract: A handle for the top of a blow-molded traffic delineator includes a bulbous lower portion, an curved intermediate portion, and an upper portion that forms a T-shaped handle. The upper portion has a hole therethrough to allow mounting of a warning light or other item. The intermediate portion has a curvature that gradually reduces the diameter of the handle moving from lower end to upper end, in a shape that easily accommodates the grasp of a human hand.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: March 25, 2003
    Assignee: Bent Manufacturing Company
    Inventors: Bruce C. Bent, James A. Bent
  • Patent number: 6533250
    Abstract: An energy dissipating system is mounted on the side surface of an elongated concrete median or roadway barrier and includes a longitudinally extending flexible sheet of low friction plastics material having upper and lower edge portions secured to the barrier and with an intermediate portion of the sheet defining a longitudinally extending cavity with the side surface. An elongated energy dissipating member extends horizontally within the cavity, and in one form, comprises a set of resilient cylindrical tubes of extruded plastics material with a smaller tube enclosed within a larger outer tube. In another form, the energy dissipating member includes helically extending compression plastic spring coils disposed between the resilient inner and outer tubes.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: March 18, 2003
    Inventor: W. Eugene Arthur
  • Patent number: 6527475
    Abstract: A system for the selective deployment of a tire deflation device. The system incorporates the use of a mounted housing combined with a compressed gas propulsion source for ejecting a collapsed tire deflation device that is attached to the housing with a tether line. One embodiment of the invention is to have a dual system mounted to the underside of a vehicle behind the rear tires. Each system is pointed in an opposite direction to achieve left or right side deployment. A set of control switches mounted inside the vehicle near the operator can be depressed for either left or right side ejection. Upon ejection the tire deflation device projects laterally away from the vehicle. A remote trigger is disclosed.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: March 4, 2003
    Inventor: David F. Lowrie
  • Patent number: 6520712
    Abstract: A safety delineator is provided which includes a conical body portion and an upstanding handle portion. The handle has a substantially increased length relative to prior art delineators to permit full hand gripping of the delineator and also to assist in preventing sticking and jamming together of a plurality of the delineators when they are stacked in a nesting fashion.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: February 18, 2003
    Assignee: Traffix Devices, Inc.
    Inventors: Jack H. Kulp, Billy E. Wehring
  • Patent number: 6517280
    Abstract: A tower for preventing people and equipment from entering a restricted area, the security tower including a vertical post connected to a base, the post being constructed from a rigid material, the post having at least one hollow channel therethrough for receiving a flexible elongated barrier material, the post having at least one pair of shoulders extending horizontally from the sides of the post, and each of the pair of shoulders having a pin extending vertically upward therefrom.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: February 11, 2003
    Inventor: Ricky S. Carter
  • Patent number: 6516573
    Abstract: A support post or coupling for a sign post assembly having an integrated breakaway system. The post or coupling has a selected predetermined shape and is adapted for carrying an associated structure. The post or coupling includes an integral weakened region providing an area of structural weakness for allowing the support post to shear upon impact by a vehicle traveling at a minimum speed and impacting the support post from a desired impact angle. The integral weakened region is formed by reducing the cross-sectional area of a portion of the support post such that it is slightly less than the cross-sectional area of the remainder of the support post. The integral weakened region may be formed by swaging the support post, by scoring a groove within the support post, or by creating a series of dimples or perforations within the support post.
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: February 11, 2003
    Assignee: Tyco Flow Services AG
    Inventors: Kevin R. Farrell, Paul C. Stallman, II, Fred Kuhn, Richard Berkemeier
  • Patent number: 6517279
    Abstract: A safety barrier for roads, used as a traffic divider, includes a double row of concrete made New Jersey barrier elements which allow the realization of a hedge on earth interposed between the barrier elements. The earth is contained in a sack made of nonwoven fabric, fixed, to both barrier elements, so as to leave gaps behind the rear walls of the barrier elements. The gaps together with a plurality of sliders or runners provided on the barrier's base, allow during impact a controlled displacement of the barrier elements. The calibration of decelerations is adjusted by the material used for the sliders.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: February 11, 2003
    Assignee: Autostrade Concessioni e Construzioni Autostrade S.p.A.
    Inventors: Gabriele Camomilla, Stefano Bruschi
  • Patent number: 6514006
    Abstract: A reflector apparatus comprises an upright elongated cylinder having a circular wall closed at one end by a semi-spherical hollow cavity wall, and closed at the other end by a plug fitted within the circular wall of the cylinder and fixed therein, the plug tapered downwardly to an elongated axial stake having a downwardly directed point. A rod extends axially upwardly from the semi-spherical hollow cavity wall for receiving a reflective plate, and a series of reflective stripes are circumferentially positioned in spaced arrangement over an outer surface of the circular wall.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: February 4, 2003
    Inventor: James E. Hines
  • Patent number: 6505994
    Abstract: Disclosed a method of integrally forming a temporary roadway delineator, a chip seal marker or barrier delineator. This method includes integrally forming multiple cube comer reflective elements on at least one side or both sides of the vertically extending reflective face portion of a delineator. Protective raised barrier walls can also be integrally provided on both sides of the vertically extended reflective face portion. The monolithically formed delineator, in accordance to this invention, can be fabricated in either one or two stage injection molding process, thereby integrally providing either one or two structural or color zones. Pressure sensitive adhesive can be applied to the base surface of a delineator or temporary marker for direct application to a roadway or to a barrier surface.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: January 14, 2003
    Inventor: Adil Attar
  • Patent number: 6505820
    Abstract: To reduce the danger of bodily harm to occupants of vehicles that leave the roadway, a guardrail system includes a guardrail terminal and a guardrail. The guardrail terminal includes cutting members positioned to cut said guardrail as guardrail moves within said guardrail terminal and the guardrail terminal moves with respect to the guardrail to cut the guardrail when impacted by a vehicle.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: January 14, 2003
    Assignee: Kothmann Enterprises, Inc.
    Inventors: Dean L. Sicking, Brian G. Pfeifer
  • Patent number: 6491470
    Abstract: An inertial barrier system comprises inertial barriers formed of two modules, each of them being differently sized and being adapted to stack one upon the other. An interlocking geometry on each of the mating ends of modules assists in obtaining a secure stacking arrangement. One of the two modules functions as a container, facing upwardly so that its volumetric capacity is available for filling by a particulate ballasting material. The lower module functions only as a pedestal for the support of the upper module. The upper module is fillable to different predetermined levels, so that the apparatus, comprising the joined lower and upper modules, is capable of functioning as differently weighted barrier systems.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: December 10, 2002
    Assignee: Traffix Devices, Inc.
    Inventor: David C. Gertz
  • Patent number: 6488441
    Abstract: According to the invention, blocks (10) are formed of rigid colored material shaped as mosaic components of the road sign; the sign is then composed by arranging the blocks (10) as a mosaic, and incorporatedly inserting the blocks (10) into the upper layer (40) of the wearing course, in such a manner that the upper surface of the mosaic road sign is substantially coplanar with the road surface.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: December 3, 2002
    Assignee: Impianti 2000 S.N.C. di Valcavi Anna E.C.
    Inventor: Luigi Solimeā€²
  • Publication number: 20020168225
    Abstract: An improved impact recovery delineation quick connect/disconnect adapter system having studs and an alignment pin that enables an operator to connect and/or disconnect a delineation panel, support post and load cell from the supporting base (fixed or portable) without the use of any tools. The load cell provides for radially aligned slots in a shoulder portion to allow the load cell to engage and lock with studs that are connected to the supporting base when the load cell is rotated about its vertical axis. The studs are particularly geometrically configured and have shoulders that are larger than the stud barrel and have heads that are larger than the shoulders which results in a mechanical locking between the slots and the studs upon rotation of the cell with respect to the stationary studs.
    Type: Application
    Filed: July 3, 2002
    Publication date: November 14, 2002
    Inventor: Richard O. Clark
  • Patent number: 6478505
    Abstract: In a traffic channeling device, a molded rib for attachment to an exterior surface of a bottom wall of a drum for inhibiting the drum from rotating relative to a rubber ballasting collar. The rib comprises an exterior surface for contact with the rubber ballasting collar, a back surface for contact with the bottom wall of the traffic channeling device, and a thickness between the exterior and back surfaces. In aspects of the device, the one or more molded ribs may be attached to the bottom wall exterior surface in a latitudinal arc of less than 180°. In further aspects of the device, locator pins radially extending from the bottom wall exterior surface complement cavities in the back surface of the molded rib. In additional aspects of the device, fasteners, such as screws, attach the molded ribs to the device such that the fasteners do not extend past a wall inside surface, thereby inhibiting marring of drum walls during stacking of the drums.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: November 12, 2002
    Assignee: Traffix Devices, Inc.
    Inventors: Jack H. Kulp, David C. Gertz
  • Publication number: 20020154947
    Abstract: A road safety marker assembly having a road safety marker and a drive wheel supporting at least a portion of the road safety marker above a road surface to permit movement of the road safety marker assembly relative to the road surface. A motor is drivingly connected to the drive wheel for driving the drive wheel to self-propel the assembly relative to the road surface. In one embodiment, the road safety marker assembly includes a receiver for receiving a control signal. The motor is electrically connected to the receiver and is responsive to the signal to drive rotation of the drive wheel to move the assembly relative to the road surface.
    Type: Application
    Filed: August 28, 2001
    Publication date: October 24, 2002
    Applicant: The Board of Regents of the University of Nebraska
    Inventors: Shane M. Farritor, Mark E. Rentschler, Jeremy L. Elder
  • Patent number: 6468678
    Abstract: Magnetic, conformable articles for use with traffic bearing surfaces are disclosed which comprise an organic binder having magnetic particles distributed therein. The articles may be employed in intelligent vehicle guidance systems, and in systems to guide other mobile objects such as farm animals, pets, or visually impaired pedestrians. Methods of making the articles and methods of using the systems to control and/or guide a mobile object using the magnetic field generated from the articles are also described.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: October 22, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas J. Dahlin, Gregory F. Jacobs, David M. Hopstock, Robert L. Keech, Richard E. Fayling, Richard G. Newell, Claud M. Lacey, Bernard A. Gonzalez
  • Publication number: 20020136603
    Abstract: A traffic barricade includes a base which supports an upright member. The base includes two removably interlocking sections, each having an enlarged portion. The enlarged portions defines a socket for closely receiving a tab extending from the upright member. A deformably resilient material surrounds the socket, permitting the upright member to deflect slightly and return to a substantially perpendicular orientation relative to the base. The upright member incorporates integral structural supports which permit the barricade upright member to maintain an upright member orientation without additional external support mechanisms.
    Type: Application
    Filed: February 15, 2002
    Publication date: September 26, 2002
    Applicant: CUSTOM PLASTECH, LTD.
    Inventors: Terry M. Birchler, Kia-Sheng Cheng
  • Patent number: 6450728
    Abstract: The invention relates mainly to a concrete pavement tile, which produces a clearly recognizable sound when touched with a blind person's cane or a white stick. In practice it appears useful to incorporate sound sources in guide paths for the blind. The invention has solved this problem by providing a pavement tile (1) with an upper plate (3) of metal, which is supported by the tile at its circumference. The plate can be provided with regularly distributed outwardly projecting tears, bumps or ledges (6). Below the plate there is a sound space (2) which can be formed by pressing the plate, upwardly convex, whereas a hollow executed tile gives the same effect.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: September 17, 2002
    Inventors: Tamar Vanessa Grahmbeek, Marit Astrid Grahmbeek
  • Patent number: 6435761
    Abstract: Slot guards for a slotted rail terminals are described having a central section and a pair of wing portions that are angularly disposed with respect to the central portion. The wing portions are folded away from the plane of the central section along lines that are angularly oriented with respect to one another so that the wing portions are wider at one end of the slot guard than at the other end. As a result, the slot guard provides a greater height at one of its ends than at the other end. Apertures for connectors are disposed through each of the wing portions, but not through the central portion. The slot guard preferably provides an asymmetrical aperture pattern and/or conspicuous markings so that the slot guard is not inadvertently installed in a reversed configuration on a guardrail. Methods for forming the slot guard are also described wherein a blank for a slot guard is cut or stamped out of a sheet of metal.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: August 20, 2002
    Assignee: Texas A&M University System
    Inventors: Roger P. Bligh, King K. Mak, Hayes E. Ross, Jr.
  • Patent number: 6422783
    Abstract: A slip base support system for tubular posts. The post supporting a highway sign or other highway roadside device is held in a casting that has a triangular, multi-directional base plate. The base plate mates with a similar shaped ground plate, and the two plates are held together with bolts oriented in notches in the apexes of each triangle. Upon impact by a vehicle, the post and support casting break away from the ground plate by ejecting one or more of the bolts laterally from the notches. The post is held within the casting after impact by an internal locking pin, which is retained within the post by grommets, thus minimizing the projectile missiles after impact. To facilitate breakaway, two sheets of galvanized steel having a low coefficient of friction are positioned between the base plate and ground plate. After impact, nearly all parts of the system, including the post, casting, ground plate and bolts, are able to be re-used.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: July 23, 2002
    Assignee: Northwest Pipe Company
    Inventor: Horace M. Jordan
  • Publication number: 20020094236
    Abstract: A safety delineator is provided which includes a conical body portion to which is attached one or more vertical panels. A new and improved handle feature permits easy and comfortable full hand gripping of the delineator and also prevents sticking and jamming together of a plurality of the delineators when they are stacked. The delineators may be stacked without removing the vertical panels, since each vertical panel is particularly designed to wrap around the conical body portion to which it is attached as another vertical delineator slides over it.
    Type: Application
    Filed: March 18, 2002
    Publication date: July 18, 2002
    Applicant: TRAFFIX DEVICES, INC.
    Inventors: Jack H. Kulp, Billy E. Wehring
  • Patent number: 6416248
    Abstract: An impact recovery delineation quick connect/disconnect adapter system having studs and an alignment pin that enables an operator to connect and/or disconnect a delineation panel, support post and load cell from the supporting base (fixed or portable) without the use of any tools. The load cell provides for radially aligned slots in a shoulder portion to allow the load cell to engage and lock with studs that are connected to the supporting base when the load cell is rotated about its vertical axis. The studs are particularly geometrically configured and have shoulders that are larger than the stud barrel and have heads that are larger than the shoulders which results in a mechanical locking between the slots and the studs upon rotation of the cell with respect to the stationary studs. A quick release detent pin passes through aligned passages in the lower load cell element and supporting base to prevent rotation of the load cell with respect to the horizontal axis of the base after connection is achieved.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: July 9, 2002
    Assignee: Flexco
    Inventor: Richard O. Clark
  • Patent number: 6402421
    Abstract: A discontinuance device for a central reserve is fitted with a permanent separator for a communication zone between carriageways, provides a closing position to ensure continuity of the separation of the carriageways and opening positions, for traffic emergency and diversion opening positions where the carriageways are connected. The device is made of fabricated metal modules comprising supports driven into the ground. The device includes at least one arm having at least one arm module. The module has two lateral walls. The arm is mobile in rotation around a vertical axle forming a joint at one end thereof. The arm includes at least one pivoting retractable foot containing castors to lift and bring the arm into rotation, and to ensure an easy opening for traffic diversion. A transitionally mobile locking module on the arm provides an emergency opening.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: June 11, 2002
    Assignee: Colas
    Inventors: Caroline Ottavi, Raymond Olive, Pierre Calvin
  • Patent number: 6402422
    Abstract: A vertical panel system has a vertical panel and a base. The vertical panel has one or more panels. Each panel has opposing first and second panel surfaces and a plurality of edges, wherein the plurality of edges has a base edge. A tab extends from the first panel base edge and terminates at a tab bottom edge. The tab has two opposing side surfaces extending between two opposing side edges. At least one of the tab side surfaces has a tab groove extending from the tab bottom edge and towards the first panel base edge. The base has a top surface and a slot extending from the top surface and into the base. The slot complements at least a portion of the tab and the tab groove. The tab bottom edge extends a length that is shorter than the length of the panel base edge. When assembled, a portion of the vertical panel is in contact with the base top surface, which stabilizes the vertical panel laterally. The edges of vertical panel are raised to protect the panel surfaces.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: June 11, 2002
    Assignee: Traffix Devices, Inc.
    Inventors: David C. Gertz, Jack H. Kulp
  • Publication number: 20020062780
    Abstract: The present invention is a practical new-type warning marker, which is composed of several multilateral taper layers of the same taper (gradient) with the bottom layer as its base. The top taper layer is pulled upward to drive the middle taper layers move so that the bottom, middle and top layers are clutched in position successively. Once a road damage or a car breakdown happens, said practical new-type warning marker is put on the ground or hung on the cover of the rear luggage case of the car to warn the passengers or/and the cars following behind with an appearance of a polyhedral solid triangular state. The warning marker is easily and stably erected and can be restored freely so that it improves the security of warning.
    Type: Application
    Filed: July 17, 2001
    Publication date: May 30, 2002
    Inventor: Ching Her Chen
  • Patent number: 6382870
    Abstract: A sawhorse type of traffic barricade constructed from identical leg units. The legs are equipped with a stop to prevent them from opening beyond a predetermined point. The legs have the cross section of a right triangle, allowing the hypotenuse sides of the legs to nest within each other. The legs may be equipped with complementary convex and concave portions to allow the barricades to be stacked securely atop one another by fitting the portions together.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: May 7, 2002
    Assignee: Traffix Devices, Inc.
    Inventor: David C. Gertz
  • Publication number: 20020051681
    Abstract: Tensile strength material (a), variable lengths to suspend ballast weight (FIG. 8), to the barricade (FIG. 9). Take one end of the said material (a), place said clip (c), in the position of (FIG. 1), place said hook (b), in the position of (FIG. 2), place the end of said material into the clip in the position of (FIG. 3), secure with the proper tool for materials used. The opposite end of material (a), as shown in FIG. (6), place said clip (c), in the position of (FIG. 4), place the end of said material into the clip in the position of (FIG. 5), secure with the proper tool for materials used. Put the hook end of (FIG. 3), through the loop of (FIG. 5), making the choke collar loop (FIG. 7), pull the hook end (FIG. 3), of the choke collar loop securing the ballast weight (FIG. 8).
    Type: Application
    Filed: October 9, 2001
    Publication date: May 2, 2002
    Inventor: Daniel Rollin Westmoreland
  • Publication number: 20020046692
    Abstract: A personnel location control system for controlling and guiding a group of individuals in a selected path to a waiting point and then to an activity in advance of that waiting point. The system in one embodiment relies upon a plurality of disks or like guide path-forming elements which define the edges of a desired guide path for a line of individuals waiting to reach the activity or destination. These elements may be physically mounted on a ground cover substrate where a single substrate or a plurality of similar substrates in combination, could form a desired guide path. Thus, some of the ground substrates may define arcuate guide path sections and others may define straight guide path sections, etc., but which when combined will form a total guide path. Thus, modular carpet substrates or sections could be provided and each of these carpet sections would be capable of being secured to a ground or floor surface.
    Type: Application
    Filed: October 31, 2001
    Publication date: April 25, 2002
    Inventors: Dan Pharo, Alex J. Hembree
  • Patent number: 6375385
    Abstract: A flexible support is constructed by mechanically laminating a plurality of relatively wide, thin, elongate flexible members together. The members are preferably formed of spring steel, and each individually is quite flexible due to the thin configuration. Preferably, each of the members is curved about its longitudinal axis to provide additional rigidity. The members are used to support traffic delineators, road signs, and/or other objects as desired, with the strength and resiliency required being adjusted by adjusting the number of individual members comprising each laminated support. The flexibility may be further adjusted by placement of one or more tension adjusters at one or more points along the length of the laminated support, with the attachments for the tension adjusters also being used to secure the laminations together. The fasteners used may be installed through holes formed through the support, or may pass laterally about the sides or edges of the support.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: April 23, 2002
    Inventor: Gregory B. Kennedy
  • Patent number: 6345930
    Abstract: A retractable versatile bollard of simple construction is made of stainless steel. The post is generally cylindrical in shape and, when the bollard is in stored position, the post sits in a sleeve in the ground below grade level. In active position, the post can be grasped by a handle and pulled up by human effort to where only a lower portion remains submerged underground. The lower portion of the cylindrical post has spiral threading that mates with spiral grooves at an upper sleeve portion of the sleeve when the post is turned after first raising the post to an appropriate point. Bollard has a safety lock for permitting the post to be raised from a stored position to an active position and a double lock that prevents it to from being easily lowered by mischievous individuals from the raised active position to the stored position.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: February 12, 2002
    Inventor: Parvis Mohassel
  • Publication number: 20020006313
    Abstract: Traffic element with illumination, at least comprising an element body having a transparent plastic component which comprises illumination means encapsulated by the plastic of the component, which transparent plastic component is fabricated by casting a preferably resilient multicomponent plastic in a closed mould. Examples of traffic elements are kerbs, traffic island elements, roundabout elements, a road surface etc. Traffic elements according to the invention are experienced as light-emitting elements.
    Type: Application
    Filed: May 4, 2001
    Publication date: January 17, 2002
    Inventor: Ireneus Johannes Theodorous Maria Pas
  • Patent number: 6334695
    Abstract: In an inset light 1 comprising a cylindrical base 3 installed in a PC pavement 2, and a lamp body 5 held in the upper part of the base 3 for emitting light outside of the pavement surface, protruded deformations 6 are formed on the outer circumference of the base 3 so as to receive the load applied on the lamp body 5 from above at the PC pavement 2 around the base 3. As a result, concentration of load in the lower part of the base 3 is prevented. Further, to alleviate the prestress shortage of the PC pavement in the lower part of the base 3, a shock absorber 7 is provided in the lower end outer peripheral edge of the base 3. As a result, lowering of strength of the PC pavement 2 in the lower part of the base 3 is suppressed. Accordingly, if a heavy load of aircraft or the like is applied, the inset light capable of preventing sinking while suppressing brittleness of the PC pavement in the lower portion of the base can be presented.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: January 1, 2002
    Assignee: New Tokyo International Airport Authority
    Inventors: Yoichi Abe, Shoichi Kameta, Katsuhiko Hagiwara, Shunji Kawabata, Ryoichi Sato
  • Publication number: 20010048845
    Abstract: A barricade apparatus includes a ground engaging drive member for moving the barricade apparatus along a path. A motor is mounted within the barricade body and is operatively connected to the ground engaging drive member. A remote transmitter signals a receiver which is operatively connected to the motor.
    Type: Application
    Filed: July 7, 2001
    Publication date: December 6, 2001
    Inventor: John A. Jack
  • Publication number: 20010046413
    Abstract: A roadway marking system includes a first set of markers adapted for placement along a roadway for displaying a first color to drivers to indicate to the drivers that they are proceeding along the roadway in the correct direction, and a second set of markers adapted for placement along a roadway to display a second color to drivers to indicate to the drivers that they are proceeding in the incorrect direction (i.e., against traffic) on the roadway. The system further includes a third set of markers adapted for placement along a roadway for displaying a third color to drivers to indicate to the drivers that lower speed or other cautionary measures are required, and a fourth set of markers adapted for placement along a roadway for displaying a fourth color to drivers to indicate to the drivers that they are approaching a change in roadway conditions, such as a merge, an exit, or an intersection.
    Type: Application
    Filed: January 22, 2001
    Publication date: November 29, 2001
    Inventor: J. Donald Moorhead
  • Publication number: 20010043836
    Abstract: The present invention discloses a traffic directional mat 10 which is expected to be made of black, rubber-like material. The mat 10 is a relatively thin, generally rectangular body which is designed to be placed on a roadway in a pre-selected pattern or line in order to indicate the direction of travel for the traffic. The mat has an indented 20 arrow 18, which arrow may be painted in reflective paint 32 so as to be clearly visible to the driver 34 of a vehicle 24. The mats 10 are expected to be about 4′×5′ being about ⅝ inch thick having a 3′×4′ arrow with about a ¼ inch indention.
    Type: Application
    Filed: August 1, 2001
    Publication date: November 22, 2001
    Inventor: Max F. Coleman
  • Publication number: 20010041091
    Abstract: The present invention discloses a traffic directional mat 10 which is expected to be made of black, rubber-like material. The mat 10 is a relatively thin, generally rectangular body which is designed to be placed on a roadway in a pre-selected pattern or line in order to indicate the direction of travel for the traffic. The mat has an indented 20 arrow 18, which arrow may be painted in reflective paint 32 so as to be clearly visible to the driver 34 of a vehicle 24. The mats 10 are expected to be about 4′×5′ being about ⅝ inch thick having a 3′×4′ arrow with about a ¼ inch indention.
    Type: Application
    Filed: January 3, 2000
    Publication date: November 15, 2001
    Inventor: MAX F. COLEMAN
  • Patent number: 6315491
    Abstract: A roadway marker device for marking a roadway with marker embedded in the roadway. The roadway marker device includes an elongate member having a first end and a second end. The elongate member has a top wall and a bottom wall. A reflective strip enhances night time visibility of the elongate member. The reflective strip has a first side and a second side. The first side of the strip is adapted to reflect light. The second side of the strip has adhesive thereon. The second side of the strip is adhesively coupled to a surface of the top wall of the elongate member. The elongate members are placed in the roadway such that the top wall of the elongate member is generally flush with the roadway.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: November 13, 2001
    Inventors: William C. Scribner, Valerie Scribner
  • Patent number: 6305874
    Abstract: A first road marking unit with a first base plate is provided with a first light source, and a second road-marking unit with a second base plate is provided with a second light source. A view angle of 0.1≦&agr;≦8° is formed between an interconnecting line, which interconnects the first and the second light sources, and an intersecting line which intersects the interconnecting line. In a view section where the view angle is 0.1≦&agr;≦8°, light beams originating from the first and the second light sources demonstrate a uniform overlap in the view section at a distance a≧40 m from the first light source. Preferably, the distance d between the first light source and the second light source lies in the range from 10 ≦d≦25 cm. The first and the second base plate of the road-marking units are integrated so as to form a base module.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: October 23, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Adrianus C. W. Custers, Pieter W. C. Provo Kluit, Jacob C. P. Den Dulk, Gabrielle J. B. M. Meekes, Wanda S. Kruijt, Lucas L. D. Van Der Poel, Franciscus G. P. Sools, Constance J. E. Saalberg-Seppen
  • Patent number: 6299379
    Abstract: A reflective trail marker which may be used to form an outdoor trail which is highly visible at night is provided. The reflective trail marker has a generally “hour-glass” shaped marker head, having a central portion and top and bottom cap portions. The central portion has a light reflective side wall surface. The top and bottom cap portions have non-reflective surfaces, and preferably overhang the reflective side wall surface of the central portion. Reflective trail markers may be attached to horizontal support structures, for 360° reflection, to mark a trail easily visible at night when a light is shined on the trail from any angle, or may be attached to vertical support structures, for limited angle reflection, to form a secret trail. A metal pin preferably extends from the bottom cap portion to allow easy attachment and removal of the marker from a tree or other support structure.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: October 9, 2001
    Assignee: Lewis Hunting Accessories, Mfg., Inc.
    Inventor: Roger D. Lewis
  • Patent number: 6290362
    Abstract: A delineator easily recognized by the driver even when attached at a moderate curve of a road includes colorless transparent reflectors attached inclined by a prescribed angle with respect to an aluminum base and amber transparent reflectors attached inclined in the opposite direction. Each reflector has a reflex reflecting element, an optical axis of which is inclined in the same direction as the corresponding reflector. Thus light beams entering in a direction parallel to the surface on which the delineator is attached can also be reflected.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: September 18, 2001
    Assignee: Cateye Co. Ltd.
    Inventor: Hiroshi Nakade
  • Patent number: 6276667
    Abstract: An energy dissipating system is mounted on the side surface of an elongated concrete median or roadway barrier and includes a longitudinally extending flexible sheet of low friction plastics material having upper and lower edge portions secured to the side surface of the barrier and while defining a longitudinally extending cavity therebetween. An elongated energy dissipating member extends horizontally within the cavity, and in one form, comprises a set of resilient cylindrical tubes of extruded plastics material with a smaller tube enclosed within a larger outer tube.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: August 21, 2001
    Inventor: W. Eugene Arthur
  • Patent number: 6276869
    Abstract: A weed control plate (1) installed at the root of one of supports of various kinds so as to cover the ground around the root to prevent the propagation of weeds. The weed control plate (1) is a thin plate having a conical surface. The plate is provided in the center thereof with an opening (11) for passing the support. The plate has a single parting line (13) extending from the outer periphery to the inner periphery of the plate. Two edges of the plate which are divided by the parting line (13) are fastened so as to join together with bolts (30) and nuts (31), thereby firmly fastening the inner peripheral surface of the opening (11) to the outer periphery of the support. The conical surface (10) is curved convexly upward toward radially inward of the plate. The inner peripheral surface of the opening (11) has a curved surface (25) projecting inward over approximately the entire circumference.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: August 21, 2001
    Inventor: Kuniaki Yakushinji
  • Publication number: 20010013596
    Abstract: To reduce the danger of bodily harm to occupants of vehicles that leave the roadway, a guardrail system includes a guardrail terminal and a guardrail. The guardrail terminal includes cutting means positioned to cut said guardrail as guardrail moves within said guardrail terminal and the guardrail terminal moves with respect to the guardrail to cut the guardrail when impacted by a vehicle.
    Type: Application
    Filed: October 1, 1999
    Publication date: August 16, 2001
    Inventors: DEAN L. SICKING, BRIAN G. PFEIFER
  • Patent number: 6272943
    Abstract: A drive mechanism for a barrier or a stop or gate device includes a drive unit having a drive motor (17) to which at least one single-stage step-down gear, worm gear and/or spur gear with an articulation to a pivoting crank (38) is connected, with the crank being mounted on a primary shaft (46) pivoting preferably around a horizontal axis at bearing points on both sides. The shaft is provided with a fixing device (40) for the barrier beam (41) or gate element which can generally pivot at an angle of approximately 90° in addition to abutments for the compensation springs (48) which act upon their spring crank. The drive mechanism further includes a single-part, single-piece drive casing (G) with open, flat securing flange strips (2) on all sides and a receiving flange (14) to secure the drive motor (17) which can be dismantled and removed. The motor shaft (36) of the drive motor is introduced into a gear case (9) which can be closed by a cover (10) and which contains a set-down gear.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: August 14, 2001
    Assignee: Magnetic Autocontrol GmbH
    Inventors: Lothar Lais, Walter Schwald
  • Publication number: 20010007626
    Abstract: A road marker and method of manufacturing a road marker having a base with a large surface area. The base is molded around a potted road reflector to completely seal the bottom and encapsulate the ends of the reflective member. The reflective member has end extensions with notches formed to interlock with the base member.
    Type: Application
    Filed: February 9, 2001
    Publication date: July 12, 2001
    Inventor: Peter Hedgewick
  • Patent number: 6244571
    Abstract: A crash attenuation apparatus for use with a guardrail system having rail posts and rail elements. An impact head has a buffer nose section and a rail post breaking beam system. The post breaking beam system has upper and lower breaking beams attached to the head. A guide tube is attached to the side of the head. A strut member extends from a first attachment point on the rail element to a second point downstream. Upon impact by a vehicle, the head breaks the first rail post, before impacting the strut and buckling the rail element downstream.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: June 12, 2001
    Assignee: Safety by Design, Inc.
    Inventors: John D. Reid, John R. Rohde, Dean L. Sicking
  • Patent number: 6237895
    Abstract: A crowd control rail assembly includes at least two foldable plastic barricades constructed from two substantially similar integrally molded planar frame units. A planar cross-panel at the upper end of the barricade includes a vertically elongated slot into which the end of an elongated plastic rail unit may be inserted. Notches are provided at each end of the rail. Dimensions of the rail are chosen so that it must be inserted into the slot substantially perpendicular to the planar face of the upper portion of the frame unit and, then when the notch engages the bottom of the slot and the barricade is unfolded, the rail is automatically and securely retained.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: May 29, 2001
    Inventor: Kurt W. Thurston
  • Patent number: 6224290
    Abstract: A highway or road divider or barrier has a reflector unit maintained within the confines of the divider or barrier to protect the reflector while being viewable when positioned parallel to the divider or barrier.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: May 1, 2001
    Inventor: Walter Lavis
  • Patent number: 6220780
    Abstract: An apparatus and method is described for translocating a lane divider from an initial position to a final position on a roadway. The apparatus comprises a conveyor connected to a vehicle. The conveyor includes a receiving segment for receiving the lane divider from the initial position on the roadway and a discharging segment for discharging the lane divider to the final position on the roadway. The receiving segment and the discharging segment are pivotally connected relative to one another. The receiving segment may be pivoted to enable the lateral movement of the receiving segment to accommodate for variation in the initial position of the lane divider on the roadway. The discharging segment may be pivoted for discharging the lane divider to a final position aligned on the roadway. A translocating segment may be interposed between the receiving segment and the discharging segment for moving the lane divider from one lane to another lane on the roadway.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: April 24, 2001
    Assignee: Qwick Kurb, Inc.
    Inventors: Robert J. Schindler, Marshall L. Douberly