CA2254190C - Interlocking control barrier systems - Google Patents
Interlocking control barrier systems Download PDFInfo
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- CA2254190C CA2254190C CA 2254190 CA2254190A CA2254190C CA 2254190 C CA2254190 C CA 2254190C CA 2254190 CA2254190 CA 2254190 CA 2254190 A CA2254190 A CA 2254190A CA 2254190 C CA2254190 C CA 2254190C
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- barrier
- housing
- internal chamber
- ballast
- barriers
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Abstract
A barrier system includes discrete movable barriers molded from a resiliently deformable plastic. Each of the barriers includes a housing having opposing front and back walls and opposing triangular shaped sidewalls. The front and back walls extend from a floor and intersect at a rounded top portion. Each barrier includes an interior surface that defines an internal chamber. The internal chamber can be selective filled with a ballast through an opening. Recessed within the front wall and back wall are a plurality of pockets. The pockets form reinforcing ribs which substantially prevent the deflection of front and back wall when the internal chamber is filled with ballast. In contrast, the sidewalls are substantially smooth to enhance bowing thereat when the internal chamber is filled with ballast. Recessed within the floor of each barrier adjacent to each of the sidewalls is a slot. Upstanding legs from an U-shaped connector are received within corresponding slots when sidewalls of adjacent barriers are biased together. The connector thus secures the barriers together.
Description
BACKGROUND OF THE INVENTION
1. The Field of the Invention The present invention relates to barriers, and more particularly, portable, reusable, control barrier systems for use in controlling pedestrian and automobile traffic.
1. The Field of the Invention The present invention relates to barriers, and more particularly, portable, reusable, control barrier systems for use in controlling pedestrian and automobile traffic.
2. The Relevant Technolo~v Control barriers are used in a variety of situations. For example, control barriers can be selectively positioned at special events or construction sites to help direct pedestrian and automobile traffic in a desired direction. Alternatively, control barriers can be put up to help limit access to select areas. In yet other embodiments, control barriers can be put up to define an entertainment stage or the boundaries of a playing field. For example, control barriers can be used to define the boundaries of a soccer field or an ice skating rink.
Conventional control barriers have long comprised individual sawhorse type barriers or collapsible V-shape barricades. Such barriers, however, have limited use since they are generally lightweight and are thus easily tipped over or moved. This can be a problem when large crowds are encountered or when the barriers are being used on a playing field where they might get bumped.
Furthermore, such barriers are typically not connected and often have spaces or gaps extending therethrough. As such, it is possible for individuals to either slip between or through the barriers.
Other barriers comprise various gates or walls which are constructed. Such barriers, however, require extensive time to assemble and disassemble. In yet other alternative embodiments, concrete barriers have been used. Although concrete barriers are not easily tipped over, such barners are extremely heavy. As such, they are difficult to move and place in desired locations. Often, special equipment such as fork lifts or cranes are required. Furthermore, concrete barriers can be both difficult and expensive to move over large distances and require a large area to store. Concrete barriers can also be dangerous in that they are rigid and non-forgiving when impacted by a person.
In one attempt to overcome some of the above problems, plastic barriers have been made.
The plastic barriers are hollow and can be filled with water for stabilizing.
Although an improvement, plastic barriers also have several limitations. For example, plastic barriers are relatively slippery and thus can be pushed out of the way. Plastic barners are also typically large and bulky. As a result, they are not easily stacked and require large areas to store. Finally, plastic barners which are small enough to be practical to use at crowded events, are typically not sufficiently stable to be prevented from being tipped over.
OBJECTS AND BRIEF SUMMARY OF THE INVE TN ION
Accordingly, it is an object of the present invention to provide improved control barriers which are relatively light for ease in transport and positioning.
Another object of the present invention is to provide improved control barriers that once positioned are sufficiently stable to prevent being tipped over.
It is another object of the present invention to provided improved control barriers that have a sufficiently high coefficient of friction to prevent them from being easily pushed out of the way once positioned.
Yet another object of the present invention to provide control barriers which can be securely locked together.
Also, another object of the present invention is to provide control barriers which X111 yield slightly upon impact to lessen the damage to an object or individual colliding with the barrier.
Another object of the present invention is to provide improved control barriers that can be easily stacked for storage or transport in a relatively small area.
Finally, it is yet another object of the present invention to provide improved control barriers that are recyclable.
-, In accordance with one aspect of the invention there is provided a barrier system which is operable with a ballast (such as, for example, sand or water) and comprises movable first and second barriers. The first barrier comprises a housing, an interior surface defining an internal chamber and means for filling the internal chamber with the ballast. The housing includes a front wall, a back wall, and a pair of opposing sidewalk with a floor extending there between. The floor has a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalk and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion. The second barrier comprises a housing, including a front wall, a back wall, and a pair of opposing sidewalk with a floor extending there between and an interior surface defining an internal chamber. Means are included for filling the internal chamber with the ballast. A connector projects from one of the sidewalk of the housing of the second barrier, the connector including a base outwardly projecting from the sidewall and a leg upwardly projecting from the base at a distance spaced apart from the sidewall. The connector is configured to be received within the slot of the first barrier so as to selectively interlock the first barrier to the second barrier.
The leg of the connector may have an inside face that inwardly slopes so as to form an inside angle between the inside face of the leg and the base of the connector that is less than 90°, with the sidewalk of the first and second barner configured to bow outwardly when the barriers are filled with the ballast.
The aforesaid barrier system may also include a threaded insert mounted on the floor of the first barrier and a hole extending through the connector, with the hole being aligned with the threaded insert when the connector is received within the slot of the first barrier, and a fastener adapted to extend through the hole in the connector and engage with the insert so as to secure the connector to the first barrier. The connector may be removably mounted to the housing of the second barrier.
Also provided in accordance with another aspect of the invention is a barner, being operable with a ballast, configured according to the aforesaid first barrier and wherein the internal chamber communicates with the exterior through an opening and is configured to receive the ballast through the opening; and, a substantially U-shaped connector, having a pair of upstanding legs with a cross-member extending there between, is configured such that when one of the legs is received within the slot recessed on the floor of the housing, the opposing leg is freely disposed adjacent to one of the sidewalk. Each of the aforesaid legs of the connector may have a sloping outside face and an inside face sloped so as to form an inside angle between the inside face of the leg and the cross-member that is less than 90°. Each of the sidewalk of the housing for this embodiment is preferably configured to bow outwardly when the housing is filled with the ballast.
According to another embodiment there is further provided a barrier, operable with a ballast, which comprises a housing, including a front wall and a back wall, each extending between opposing sidewalk, and an interior surface defining an internal chamber. The internal chamber communicates with the exterior through an opening through which the ballast can be fed into the internal chamber. Each of the sidewalk bows inwardly when the internal chamber is empty and bows outwardly when the internal chamber is filled with the ballast.
Means are included for substantially preventing bowing of the front wall and the back wall when the internal chamber of the housing is filled with the ballast.
4a The means for substantially preventing bowing may comprise a plurality of pockets recessed within the front wall and the back wall, and the side walls may be substantially planar and have a substantially uniform thickness. One or more display recesses may be formed in the back wall or front wall. A tie-down port extending between the front wall and the back wall may be included.
According to a further embodiment, a barrier system comprises a pair of discrete, movable barriers, each of the barriers including a housing having a front wall and a back wall, each extending between opposing sidewalk, an exterior surface with a substantially triangular transverse cross section and an interior surface defining an internal chamber wherein the internal chamber communicates with the exterior through an opening. Means are included for mechanically mating the pair of barriers together such that the resulting combination has a substantially square transverse cross section. Such means may be provided by each housing having a floor with the back wall orthogonally extending from the floor to a top end and the front wall extending at an angle from the floor to the top end; a tenon projecting from the front wall;
and a mortise spaced from the tenon and recessed within the front wall, the mortise being positioned such that when one of the barriers is inverted and the front walls of the barriers are biased together, the mortise of each barrier receives the tenon of the other barrier. There may also be included a post upwardly extending from the interior surface of the housing, the post being in alignment with the opening in the housing.
According to a still further embodiment a barrier system includes a pair of barriers, each including a housing having a front wall and a back wall each of which extends between opposing sidewalk, wherein the housing has a sloping front wall and an interior surface defining an 4b internal chamber and means are provided for filling the internal chamber with a ballast. And a tenon and mortise as aforesaid are configured such that the tenon of each of the barriers can be complementary received within the mortise of the other barrier when the sloping front walls of the barriers are biased together. The tenon may have a triangular configuration and foot rest may be formed on the front wall. The front wall may extend between opposing side walls with a drain hole extending through the front wall adjacent to a floor of the housing and a drain ridge projecting upwardly from the floor and extending from a corresponding side wall to the drain hole. The housing may comprise a floor and a pair of fork lift apertures recessed therein.
Also provided by another aspect of the invention is a barrier which is operable with a ballast and is selectively positioned on a ground surface. A housing has a floor extending between a front wall and a back wall and the front and back walls extend between opposing sidewalk. The housing also has an interior surface bounding an internal chamber which is configured to receive the ballast and communicates with the exterior through an opening. A
plate is removably mounted to the housing and projects from the back wall along the ground surface when the floor of the housing is positioned over the ground surface. A rail is mounted on, and upwardly projects from, the plate so that at least a portion of the rail is disposed adjacent to the back wall of the housing. The plate may be mounted to the floor and, preferably, projects at least one foot away from the housing.
The invention also provides, in a further embodiment, a barner interacting with a ballast on a ground surface, in which a plastic housing has a floor extending between a front wall and a back wall each of which extends between opposing sidewalls, and an interior surface bounding an internal chamber configured to receive the ballast and communicate with the exterior through 4c an opening. A pad, which may comprise rubber, is mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.4.
In accordance with a further embodiment, a barrier system operable with a ballast includes a plurality of discrete movable barriers, each having: a housing including a pair of opposing sidewalk extending between a front wall and a back wall, and a floor;
a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.3; an interior surface defining an internal chamber; and, means for filling the internal chamber with the ballast. A guide rail is horizontally disposed and removably mounted to the front wall of each of the movable barriers, the guide rail being independently supported by the movable barriers, the guide rail being in the form of an elongated panel. The guide rail may be bolted to each of the plurality of barriers and, preferably, has a width in a range between about 20 cm to about 60 cm and a thickness in a range between about 1 cm to about 10 cm. The guide rail may be mounted at a height that is level with the bumper of conventional automobiles. The pad, which may be comprised of rubber or elastomer, preferably has a coefficient of friction when placed on pavement greater than about 0.5.
Further, the invention broadly provides a barrier, operable with a ballast, which includes a housing having a front wall and a back wall each extending between opposing sidewalk, and an interior surface defining an internal chamber with the internal chamber communicating with the exterior through an opening through which the ballast can be fed into the internal chamber; and wherein each of the sidewalk bows inwardly so as to be concave when the internal chamber is 4d empty and bows outwardly so as to be convex when the internal chamber is filled with the ballast.
BRIEF DESCRIPTION OF THE DRAWINGS
In order that the manner in which the above-recited and other advantages and objects of the invention are obtained, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Understanding that these drawings depict only tropical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:
Figure 1 is perspective view of an inventive barrier;
Figure 2 is a partially cut away perspective view of the barrier shown in Figure 1 taken along section line 2-2 and including a connector;
Figure 3 is a cross-sectional perspective view of the connector shown in Figure 2;
Figure 4 is a schematic representation of the barrier shown in Figure 1 absent ballast;
Figure 5 is a schematic representation of the barrier shown in Figure 1 having ballast received therein;
Figure 6 is a partially cut away front view of a pair of barriers shown in Figure 1 attached by the connector;
Figure 7 is a partially cut away plan bottom view of the barrier shown in Figure 1;
Figure 8 is a partially cut away perspective view of the barriers shown in Figure 6;
Figure 9 is a cross-sectional side view of the barrier shown in Figure 8 taken along section line 9-9;
Figure 10 is a cross-sectional side view of a pair of barriers shown in Figure 9 coupled together;
Figure 11 is a perspective view of an alternative barrier shown in Figure 1;
Figure 12 is a perspective view of a plurality of barriers having a guide rail mounted thereon;
Figure 13 is a partially cut away perspective view of the barrier shown in Figure 1 having a conduit extending therethrough;
Figure 14 is a perspective view of interconnected rods used to extend through the conduit shown in Figure 13; and Figure 15 is a perspective view of the inventive barriers being secured to the ground by anchors.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Depicted in Figure 1 is one embodiment of an inventive burner 10 incorporating features of the present invention. Barrier 10 comprises a housing 12 having an exterior surface 14. Housing 12 structurally includes a front wall 16 and an opposing back wall 18 each extending between opposing sidewalls 20 and 22. Each of sidewalk 20 and 22 likewise extend between a rounded top end 24, where front wall 16 and back wall 18 intersect, and an opposing floor 26.
Front wall 16 and back wall 18 are depicted as being substantially square. In alternative embodiments they can have alternative geometrical shapes such as rectangular or curved to form a corner. Sidewalls 20 and 22 are depicted as being substantially triangular.
Specifically, back wall 18 intersect with floor 26 at an inside angle 6, at about 90°. In alternative embodiments, angle 8, can be in a range between about 70 ° to about 90 ° with about 80 ° to about 90 ° being more preferred.
Front wall 16 intersects with floor 26 at an angle 62 in a range between about 30° to about 60° with about 40 ° to about 50 ° degrees being more preferred and about 45 ° being most preferred.
As depicted in Figure 2, barrier 10 also has an interior surface 28 that bounds an internal chamber 30. Internal chamber 30 is configured to receive a ballast. As used in the specification and appended claims, the term "ballast" is broadly intended to include any materials which can be poured into internal chamber 30. By way of example and not by limitation, the ballast can include water, salt water, non-freezing fluids, sand, rock, cement, and concrete. In yet another embodiment, the ballast can also include foam such as a polyurethane foam.
In one embodiment of the present invention, means are provided for filling internal chamber 30 with ballast. By way of example and not by limitation, depicted in Figure 1, internal chamber 30 communicates with the exterior through an opening 32 located at top end 24.
Opening 32 can be selectively sealed closed by a cap 34. In alternative embodiments, opening 32 can be positioned at other locations on barrier 10. Means are also provided for selectively draining ballast from barrier 10. By way of example and not by limitation, a threaded drain hole 36 extends through front wall 16 adjacent floor 26. Plug 38 can be screwed into drain hole 36 for sealing drain hole 36 closed.
In alternative embodiments, drain hole 36 can also be positioned at other locations on barrier 10.
To help prevent plug 38 from accidentally being knocked out of drain hole 36, drain hole 36 is preferably positioned within a recess 40.
Barrier 10 is preferably made of a resiliently deformable plastic material having strong, semi-rigid, and energy absorbing properties. Such materials include linear or cross-linked plastics which will deform under pressure but will not fail in a brittle manner. Examples of conventional plastics include polyethylene, polyvinylchloride, nylon, polycarbonate, and polypropylene. Additives such as dyes, pigments, and reinforcements, such as fibers, can also be added to the material. Florescent dies can also be added to help barriers 10 glow at night for better direction of traffic. In one embodiment, it is preferred that barrier 10 be made from a recyclable plastic such as polyethylene.
This enables old or broken barriers to be ground down and recycled into new barriers.
Barrier 10 is preferably made by rotational molding. Of course, other molding processes, such as injection molding or die molding, can also be used. Independent of the method used, it is generally desirable that barner 10 have a substantially uniform thickness T so as to minimize shrink deformation. In one embodiment, barrier 10 has a thickness T in a range between about 0.08 inches to about 0.5 inches with about 0.1 inches to about 0.3 inches being more preferred. The thickness is chosen to optimize desired deflection and required strength properties.
In one embodiment of the present invention, means are provided for connecting together a pair of discrete barriers 10 such that the strength of the connection therebetween increases as the pair of barriers 10 are filled with ballast. By way of example and not by limitation, depicted in Figures 1 and 2, a slot 42 is recessed within floor 26 adjacent to sidewall 22. Slot 42 comprises a horizontal portion 44 that extends through sidewall 22 and intersects with a vertical portion 46. Vertical portion 46 projects into floor 26 towards top end 24. Vertical portion 46 is in part bounded by a curved and outwardly sloping inside wall 48, a roof 50, and an outside wall 52. Extending between outside wall 52 and sidewall 22 is a platform 54. A hollow plug 56 upwardly extends from platform 54. Securely received within hollow plug 56 is a threaded insert 58.
Recessed within floor 26 adjacent to sidewall 20 is a slot 43. Slot 43 is substantially identical to slot 42. Identical structural elements between slot 42 and slot 43 are thus identified by like reference characters.
Slots 42 and 43 are configured to receive a corresponding connector 60.
Connector 60 is substantially U-shaped and includes a cross-member 62 having legs 64 and 66 upstanding from opposing ends thereof. Connector 60 is preferably made from the same materials and in the same process as barrier 10. Each of legs 64 and 66 has an inside face 68 and an opposing outside face 70.
Inside face 68 preferably forms an angle 03 relative to a top surface 75 of cross-member 62 less than 90°. More preferably, angle 63 is in a range between about 75°
to about 85°. Outside face 70 has a substantially conical configuration complementary to inside wall 48 of slot 42.
Depicted in Figure 3, cross member 62 has a bottom surface 72 with a recess 74 formed therein. Extending between recess 74 and the top surface 75 of cross member 62 is a solid plate portion 76. As depicted in Figures 2 and 3, a pair of spaced apart apertures 78 extend through plate portion 76. Each aperture 78 is configured to align with a corresponding threaded insert 58 when each leg 64 or 66 is received within a corresponding slot 42 or 43. As a result, a threaded bolt 80 having a washer 82 mounted thereon can be passed through aperture 78 and screwed into threaded insert 58 for securing connector 60 to barrier 10.
As depicted in Figure 4, barrier 10 is configured such that when internal chamber 30 is absent a ballast, sidewalk 20 and 22, as depicted by the dashed lines, bow inward. In one embodiment, sidewalk 20 and 22 can inwardly bow a maximum distance D, in a range between about 0.1 inches to about 1 inch with about 0.3 to about 0.7 inches being more preferred. In contrast, as depicted in Figure 5, as internal chamber 30 is filled with a ballast, such as water, sidewalls 20 and 22 bow outward. In one embodiment, sidewalls 20 and 22 can outwardly bow a maximum distance DZ in a range between about 0.1 inches to about 2.5 inches with about 1 inch to about 2 inches being preferred. Of course, the extent which sidewalls 20 and 22 can bow outwardly depends on the weight and amount of ballast that is positioned within barrier 10.
As depicted in Figure 6, when it is desirable to attach a pair of barriers 10 together, leg 64 of connector 60 is received within slot 42 of a first barrier 10A. Inside wall 48 of barrier 1 OA and outside face 70 of connector 60 are complementary configured as previously discussed so that leg 64 is self seating within slot 42. A bolt 80 can then be used to mechanically secure connector 60 to barrier 10A. It is noted that bolts 80 are often not required since the weight of barrier 10 having a ballast is usually sufficient to keep barrier 10 attached to connector 60.
Sidewall 20 of a second barrier l OB is then biased against sidewall 22 of first barrier 10A
so that leg 66 of connector 60 is received within slot 43 of second barrier 10B. If desired, bolt 80 can then be used to mechanically secure connector 60 to second barrier 10. In this configuration, each of barriers 10A and lOB are connected together. As barriers 10A and lOB
are filled with ballast, sidewalk 20 and 22 outwardly bow against each other. Separation of barriers 10A and l OB, however, is prevented as a result of connector 60. Specifically, legs 64 and 66 of connector 60 bias against corresponding outside walls 52 to prevent separation of barriers 10A
and l OB. The use of bolts 80 can also help to prevent separation. As a result of the outward bowing of sidewalk 20 and 22, a tension is placed on connector 60 and the frictional engagement between barrier 1 OA and l OB
is increased. These forces increase the strength of the connection between barriers 10A and l OB.
____ _T._ _ ___ In alternative embodiments, substantially the same effect can be achieved by filling one of the barriers with ballast.
Depicted in Figure 7 is the exterior surface of floor 26. In one embodiment of the present invention, means are provided for increasing the coefficient of friction of barrier 10. This helps to decrease unwanted sliding of barrier 10. By way of example and not by limitation, removably mounted to floor 26 are pads 84. Pads 84 preferably produce a coefficient of friction between barrier 10 and pavement greater than about 0.3, preferably greater than about 0.5 and more preferably greater than about 0.7. Pads 84 can comprise virtually any material that produces the desired coefficient of friction. Common materials are rubbers and elastomers. In one embodiment, pads 84 comprise an elongated section of a rubberized tire 86. Attachment of tire section 86 not only increases the frictional engagement between barrier 10 and a corresponding ground surface but also functions as a useful means for recycling used tires. Tire section 86 can be attached by using bolts in the same way that connector 60 is attached to barrier 10. In alternative embodiments, adhesive or other fastening structures can be used. In an alternative embodiment, smaller pads 88 can be used that are integrally molded with a threaded post 90. Post 90 can be directly screwed into a threaded recess 92 formed in floor 26. In yet other embodiments, high friction materials, such as rubber, can be molded, sprayed, or otherwise secured to floor 26.
Projecting from the interior surface of floor 26 towards top portion 24 are a pair of drain ridges 94 and 96. Drain ridge 94 extends from drain hole 36 to sidewall 22.
Drain ridge 96 extends from drain hole 36 to sidewall 20. Each drain ridge 94 and 96 is sloped slightly back towards back wall 18 and facilitates in drainage of ballast from internal chamber of barrier 10. That is, once the ballast has self drained through drain hole 36, barrier 10 can be tilted forward so that water settled on floor 26 of barrier 10 flows towards edge 98 along which drain hole 36 is positioned. Drain ridges 94 and 96 in turn channel the ballast towards drain hole 36. Although some ballast may flow over drain ridges 94 and 96, barrier 10 can be tilted back towards back wall 18 and then tilted forward again to ensure all of the water is removed from barrier 10. To assist in rolling or tilting barrier 10 forward, edge 98 is rounded.
Depicted in Figure 8, barrier 10 has a display recess 100 formed in front wall 16. Display recess 100 is depicted as having a substantially rectangular configuration. In alternative embodiments, recess 100 can have other geometrical configuration such as circular, triangular, or square. Formed within display recess 100 axe a pair of hollow plugs 102.
Hollow plugs 102 are configured to receive a threaded insert 58. It is preferred that display recess 100 be sufficiently deep such that when a display 104 is received therein, the front face of display 104 is substantially flush with the surface of front face 16. This helps to prevent people standing adjacent to barrier 10 from being caught on the edge of display 104. Display 104 is secured to barrier 10 by passing bolts through apertures 106 in display 104 which in turn threadedly engage with threaded inserts 58 in hollow plugs 102. A similar display recess can also be formed on back wall 18.
As also depicted in Figure 8, upwardly projecting from floor 26 of barrier 10 is a substantially conical post 108. Post 108 is aligned with opening 32 at top end 24 of barrier 10. Post 108 is configured to be received in the end of a hollow pole 110 such as a flag pole.
As a result of post 108 being substantially conical, post 108 can be snugly received within a variety of alternative pole sizes.
In alternative embodiments, post 108 can be different configurations to receive different pole configurations.
As previously discussed, barriers 10 are configured such that sidewalls 20 and 22 radially bow out when filled with a ballast. In one embodiment of the present invention, means are provided for substantially preventing the bowing of front wall 16 and back wall 18 when internal chamber 30 is filled with a ballast. By preventing the bowing of front wall 16 and back wall 18, deformation to any displays mounted thereon is minimized and the pressure applied to sidewall 20 and 22 by the ballast is maximized. By way of example and not by limitation, a plurality of pockets 114 are recessed within top surface 116 of front wall 16 and back wall 18. Each of pockets 114 includes a floor 117 and a sloping reinforcing rib 118 extending between top surface 116 and floor 117.
Reinforcing ribs 118 provide structural integrity and stiffening to both front wall 16 and back wall 18 which substantially prevents bowing of the walls.
In the embodiment depicted, reinforcing ribs 118 having a substantially triangular configuration. In alternative embodiments, reinforcing ribs 118 can have alternative geometrical configurations. For example, reinforcing ribs 118 can be circular, square, irregular, or other polygonal configuration. Furthermore, reinforcing ribs 118 can smoothly transition into floor 117.
For example, pockets 114 can be can have a semi-spherical configuration. In yet other embodiments, pockets 114 can be replaced with elongated reinforcing ribs that extending across front wall 16 and back wall 18.
To further ensure that only sidewalls 20 and 22 are bowed during filling with ballast, it is also preferred that sidewalls 20 and 22 be smooth and uniform. In this configuration, the rigidity of sidewalls 20 and 22 is minimized, thereby helping to insure that sidewalls 20 and 22 are bowed rather then front wall 16 and back wall 18.
In one embodiment of the present invention, a hand hold 122 is recessed within front wall 16 adjacent to top end 24. Hand hold 122 enables easy moving an manipulation of barrier 10. A
similar hand hold can also be positioned on back wall 18.
The present invention also includes means for mechanically mating a pair of barriers 10 together such that the resulting combination has a substantially square transverse cross-section. By way of example and not by limitation, projecting from front wall 16 adjacent to floor 26 is a tenon 124. In the embodiment depicted, tenon 124 comprises a substantially inverted pocket 114. That is, tenon 124 comprises an outwardly projecting reinforcing rib 126 that terminates at an end wall 128. Tenon 124 is configured complementary to a mortise 130 projecting into front wall 16 adjacent to top portion 24. Mortise 130 can also function as a pocket 114 as previously discussed.
As depicted in Figure 10, by inverting a second barrier and biasing front walls 16 together, tenon 124 of each of barriers 10 can be received within the corresponding mortise 130 of the opposing barrier. As such, barriers 10 are mated together. When sidewalk 22 and 24 form a right triangle, the resulting mated barriers 10 have a substantially square transverse cross-section. As a result, the mated barriers 10 are easily stacked for transport or storage. In alternative embodiments, tenon 124 and mortise 130 can be a variety of alternative configurations and need only be constructed so that they mate together. Similar mortise and tenon configurations can also be formed on back wall 18 of barrier 10 for connecting adjacent back walls of barriers 10 together.
Depicted in Figure 11, a tie-down port 132 extends between front wall 16 and back wall 18.
Tie-down port 132 enables structures to be tied to barrier 10 by passing a rope, strap or other type of cord through tie-down port 132. Barrier 10 depicted in Figure 11 also incorporates a foot hold on front wall 16. The foot hold can comprise a large recess 134 into which a foot can be received or step 136. Step 136 can be secured within recess 134 so that a user can stand on the end thereof. In alternative embodiments, a step can be integrally molded into front wall 16.
The foot hold enables a person to reach over barrier 10 as needed. Of course, it is also envisioned that a foot hold can be positioned on back wall 18.
When it is desirable to minimize the potential for barrier 10 to be tipped over, such as in crowded events, a plate 140 can be attached to thereto. Plate 140 comprises a first end 142 having a pair of apertures 144 extending therethrough. Apertures 144 are configured to line up with threaded inserts 58 as previously discussed with regard to Figure 2. As a result, bolt 80 can be used to secure plate 140 to barrier 10. Second end 146 of plate 140 projects away from barrier 10 along a ground surface. In one embodiment, plate 140 projects away from barrier 10 for a distance D3 greater than 1 foot preferably greater than about 2 feet and more preferably greater than about 4 feet. By facing plate 140 towards the crowed, people will be standing on plate 140, thereby making it more difficult for barrier 10 to be tipped over. In alternative embodiments, rails 150 can extend from plate 140 up back wall 18. By securing rails 150 to back wall 18, the leverage against bolts 80 is minimized.
In yet another embodiment, fork lift apertures 152 can extend through either or both front wall 16 and back wall 18 and along floor 26. Fork lift apertures 152 are configured to receive the tines of a fork lift such that, if desired, barrier 10 can be moved by a fork lift even if filled with ballast.
As depicted in Figure 12, a guide rail 150 can be secured to each barrier 10.
Each guide rail 150 has an elongated board-like configuration with opposing sides 154 and 156 extending between opposing ends 158 and 160. In one embodiment, guide rail 150 has a width W
typically in a range between about 20 cm to about 60 cm with about 30 cm to about 50 cm being more preferred. Guide rail 150 also has a thickness which is typically in a range from about 1 cm to about 10 cm with about 2 cm to about 6 cm being more preferred. Guide rail 150 can be made of a plurality of different materials. In one embodiment, guide rail 150 is made from the same type of material as barrier 10.
In alternative embodiments, guide rail 150 can also be made of metal, wood, composites, or other materials.
Guide rail 150 is secured to adjacent barners 10 by passing bolts 152 through guide rail 150 and then screwing bolts 152 into thread inserts 155 formed on front wall 16 of barrier 10. Guide rail 150 is positioned on barrier 10 at a height that is level with the bumper of conventional automobiles.
If desired, guide rail 150 can similarly be mounted on back wall 18 of each barrier 10. Each guide rail 150 can come in a variety of different lengths so as to either span and connect between two adjacent barriers 10 or span and connect between three or more adjacent barriers 10. Abutting ends 158 and 160 of adjacent guide rails 150 are positioned at the center of the front wall 16 or back wall 18.
In one embodiment of the present invention, means are provided for connecting the adjacent ends 158 and 160 together. By way of example and not by limitation, an elongated groove 162 is formed along each edge 154 and 156 of guide rail 150. A substantially U-shaped bracket 164 is formed having curved arms 166 projecting from each end. Each arm 166 is configured to mate with a corresponding groove 162 such that bracket 164 covers the joint between adjacent guide rails 150 and secures the guide rails together by frictional engagement. There are of course a variety of different type of brackets that can be used to secure adjacent guide rails 150 together. For example, a bracket could be used to bolt or interlock the guide rails together.
Likewise, the bracket can be in the form of a sleeve which encloses the ends.
The function of guide rail 1 SO is to more evenly distribute the impact force of an automobile or other object striking against barrier 10. That is, each guide rail 150 is mounted on barrier 10 such that the bumper of an automobile first impacts barrier 10 by striking against guide rail 150. In this situation, guide rail 150 serves three primary functions. First, the front face of the guide rail 1 SO
is substantially smooth which helps to initially deflect the automobile should the automobile strike at an angle. Second, guide rail 150 increases the thickness and structural strength of barrier 10, thereby helping to prevent rupture or failure at that point. Third, as a result of guide rails 150 interconnecting between adjacent barners 10, the impact of the automobile is more evenly distributed among each of the adjacent barriers as opposed to being absorbed by a single barrier. As a result, the connected barriers are better able to absorb the impact and stop the travel of the automobile.
Depicted in Figure 13 is yet another alternative embodiment of an inventive barrier system wherein adjacent barriers 10 can be interconnected. As disclosed therein, each barrier 10 has a recess 170 formed on each side wall 20 and 22 in horizontal alignment.
Recesses 170 are formed towards top end 24 of barner 10. Longitudinally extending between recesses 170 is a conduit 172.
Conduit 172 has a channel 174 longitudinally extending therethrough. In one embodiment, conduit 172 is made of metal. Although channel 174 is depicted having a keyhole-type configuration, channel 174 can have a variety of different geometrical configurations.
Integrally formed with side walls 20 and 22 and covering conduit 174 is a cover layer 176. Cover layer 176 is comprised of the same material as barrier 10. Cover layer 176 functions to maintain a liquid-tight environment for internal chamber 30.
The manufacture of barrier 10 having conduit 172 is preferably done by rotational molding.
Initially, conduit 172 is disposed within the mold and the plastic barrier material is applied thereto.
To provide a uniform thickness of barrier material on conduit 172, conduit 172 is heated. This heating can be accomplished by either heating conduit 172 prior to insertion within the mold or by heating conduit 172, such as by blowing air thereon or having an electrical heater attached thereto, once positioned within the mold. Having a uniform thickness of material on conduit 172 is helpful to prevent shrink deformation during cooling of the material.
One of the benefits of having conduit 172 is that a connector can be passed through channel 174 for coupling together adjacent barriers 10. In one embodiment, as depicted in Figure 14, the connectors comprise metal rods 178. Each metal rod 178 has a first end 180 with a finger 182 projecting therefrom and an opposing second end 184 having a loop 186 formed thereat. In this configuration, a rod 178 is slid through channel 174 of adjacently disposed barriers. A finger 182 of a first rod 170 is then rotated to fit within a loop 186 of an adjacent second rod 178, thereby coupling the rods together. This coupling occurs within the chamber formed by aligned recesses 170.
By connecting rods 178 within adjacent barriers 10, the barriers are further strengthened to help resist the impact of an automobile or other object. There are of course a variety of different designs which can be used for connecting rods 178. For example, different catches or threaded connections can be used. In yet another embodiment, a single cable can be passed through each of the aligned conduits 172. In this embodiment, it is not necessary to form recesses 170 since no discrete connections are made between barriers 10.
As depicted in Figure 15, the present invention also envisions that barriers 10 can be connected to the ground. By way of example, a cable 190 extends from rod 178 to an anchor 192.
Anchor 192 is secured within the ground. Anchor 192 can have a variety of different configurations.
In the embodiment depicted, anchor 192 has a shovel head-type of configuration which is disposed within the ground. In alternative embodiments, anchor 192 can also comprise concrete posts, bolts which are drilled into surrounding rock, spikes, poles, or any other configuration which can secure cable 190 into the ground. Similarly, a cable 190 and anchor 192 can also be used for securing connector 60 to the ground. Similar anchors can also be used on the opposing end of connected barriers 10 for securing barriers 10 to the ground.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrated and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Conventional control barriers have long comprised individual sawhorse type barriers or collapsible V-shape barricades. Such barriers, however, have limited use since they are generally lightweight and are thus easily tipped over or moved. This can be a problem when large crowds are encountered or when the barriers are being used on a playing field where they might get bumped.
Furthermore, such barriers are typically not connected and often have spaces or gaps extending therethrough. As such, it is possible for individuals to either slip between or through the barriers.
Other barriers comprise various gates or walls which are constructed. Such barriers, however, require extensive time to assemble and disassemble. In yet other alternative embodiments, concrete barriers have been used. Although concrete barriers are not easily tipped over, such barners are extremely heavy. As such, they are difficult to move and place in desired locations. Often, special equipment such as fork lifts or cranes are required. Furthermore, concrete barriers can be both difficult and expensive to move over large distances and require a large area to store. Concrete barriers can also be dangerous in that they are rigid and non-forgiving when impacted by a person.
In one attempt to overcome some of the above problems, plastic barriers have been made.
The plastic barriers are hollow and can be filled with water for stabilizing.
Although an improvement, plastic barriers also have several limitations. For example, plastic barriers are relatively slippery and thus can be pushed out of the way. Plastic barners are also typically large and bulky. As a result, they are not easily stacked and require large areas to store. Finally, plastic barners which are small enough to be practical to use at crowded events, are typically not sufficiently stable to be prevented from being tipped over.
OBJECTS AND BRIEF SUMMARY OF THE INVE TN ION
Accordingly, it is an object of the present invention to provide improved control barriers which are relatively light for ease in transport and positioning.
Another object of the present invention is to provide improved control barriers that once positioned are sufficiently stable to prevent being tipped over.
It is another object of the present invention to provided improved control barriers that have a sufficiently high coefficient of friction to prevent them from being easily pushed out of the way once positioned.
Yet another object of the present invention to provide control barriers which can be securely locked together.
Also, another object of the present invention is to provide control barriers which X111 yield slightly upon impact to lessen the damage to an object or individual colliding with the barrier.
Another object of the present invention is to provide improved control barriers that can be easily stacked for storage or transport in a relatively small area.
Finally, it is yet another object of the present invention to provide improved control barriers that are recyclable.
-, In accordance with one aspect of the invention there is provided a barrier system which is operable with a ballast (such as, for example, sand or water) and comprises movable first and second barriers. The first barrier comprises a housing, an interior surface defining an internal chamber and means for filling the internal chamber with the ballast. The housing includes a front wall, a back wall, and a pair of opposing sidewalk with a floor extending there between. The floor has a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalk and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion. The second barrier comprises a housing, including a front wall, a back wall, and a pair of opposing sidewalk with a floor extending there between and an interior surface defining an internal chamber. Means are included for filling the internal chamber with the ballast. A connector projects from one of the sidewalk of the housing of the second barrier, the connector including a base outwardly projecting from the sidewall and a leg upwardly projecting from the base at a distance spaced apart from the sidewall. The connector is configured to be received within the slot of the first barrier so as to selectively interlock the first barrier to the second barrier.
The leg of the connector may have an inside face that inwardly slopes so as to form an inside angle between the inside face of the leg and the base of the connector that is less than 90°, with the sidewalk of the first and second barner configured to bow outwardly when the barriers are filled with the ballast.
The aforesaid barrier system may also include a threaded insert mounted on the floor of the first barrier and a hole extending through the connector, with the hole being aligned with the threaded insert when the connector is received within the slot of the first barrier, and a fastener adapted to extend through the hole in the connector and engage with the insert so as to secure the connector to the first barrier. The connector may be removably mounted to the housing of the second barrier.
Also provided in accordance with another aspect of the invention is a barner, being operable with a ballast, configured according to the aforesaid first barrier and wherein the internal chamber communicates with the exterior through an opening and is configured to receive the ballast through the opening; and, a substantially U-shaped connector, having a pair of upstanding legs with a cross-member extending there between, is configured such that when one of the legs is received within the slot recessed on the floor of the housing, the opposing leg is freely disposed adjacent to one of the sidewalk. Each of the aforesaid legs of the connector may have a sloping outside face and an inside face sloped so as to form an inside angle between the inside face of the leg and the cross-member that is less than 90°. Each of the sidewalk of the housing for this embodiment is preferably configured to bow outwardly when the housing is filled with the ballast.
According to another embodiment there is further provided a barrier, operable with a ballast, which comprises a housing, including a front wall and a back wall, each extending between opposing sidewalk, and an interior surface defining an internal chamber. The internal chamber communicates with the exterior through an opening through which the ballast can be fed into the internal chamber. Each of the sidewalk bows inwardly when the internal chamber is empty and bows outwardly when the internal chamber is filled with the ballast.
Means are included for substantially preventing bowing of the front wall and the back wall when the internal chamber of the housing is filled with the ballast.
4a The means for substantially preventing bowing may comprise a plurality of pockets recessed within the front wall and the back wall, and the side walls may be substantially planar and have a substantially uniform thickness. One or more display recesses may be formed in the back wall or front wall. A tie-down port extending between the front wall and the back wall may be included.
According to a further embodiment, a barrier system comprises a pair of discrete, movable barriers, each of the barriers including a housing having a front wall and a back wall, each extending between opposing sidewalk, an exterior surface with a substantially triangular transverse cross section and an interior surface defining an internal chamber wherein the internal chamber communicates with the exterior through an opening. Means are included for mechanically mating the pair of barriers together such that the resulting combination has a substantially square transverse cross section. Such means may be provided by each housing having a floor with the back wall orthogonally extending from the floor to a top end and the front wall extending at an angle from the floor to the top end; a tenon projecting from the front wall;
and a mortise spaced from the tenon and recessed within the front wall, the mortise being positioned such that when one of the barriers is inverted and the front walls of the barriers are biased together, the mortise of each barrier receives the tenon of the other barrier. There may also be included a post upwardly extending from the interior surface of the housing, the post being in alignment with the opening in the housing.
According to a still further embodiment a barrier system includes a pair of barriers, each including a housing having a front wall and a back wall each of which extends between opposing sidewalk, wherein the housing has a sloping front wall and an interior surface defining an 4b internal chamber and means are provided for filling the internal chamber with a ballast. And a tenon and mortise as aforesaid are configured such that the tenon of each of the barriers can be complementary received within the mortise of the other barrier when the sloping front walls of the barriers are biased together. The tenon may have a triangular configuration and foot rest may be formed on the front wall. The front wall may extend between opposing side walls with a drain hole extending through the front wall adjacent to a floor of the housing and a drain ridge projecting upwardly from the floor and extending from a corresponding side wall to the drain hole. The housing may comprise a floor and a pair of fork lift apertures recessed therein.
Also provided by another aspect of the invention is a barrier which is operable with a ballast and is selectively positioned on a ground surface. A housing has a floor extending between a front wall and a back wall and the front and back walls extend between opposing sidewalk. The housing also has an interior surface bounding an internal chamber which is configured to receive the ballast and communicates with the exterior through an opening. A
plate is removably mounted to the housing and projects from the back wall along the ground surface when the floor of the housing is positioned over the ground surface. A rail is mounted on, and upwardly projects from, the plate so that at least a portion of the rail is disposed adjacent to the back wall of the housing. The plate may be mounted to the floor and, preferably, projects at least one foot away from the housing.
The invention also provides, in a further embodiment, a barner interacting with a ballast on a ground surface, in which a plastic housing has a floor extending between a front wall and a back wall each of which extends between opposing sidewalls, and an interior surface bounding an internal chamber configured to receive the ballast and communicate with the exterior through 4c an opening. A pad, which may comprise rubber, is mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.4.
In accordance with a further embodiment, a barrier system operable with a ballast includes a plurality of discrete movable barriers, each having: a housing including a pair of opposing sidewalk extending between a front wall and a back wall, and a floor;
a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.3; an interior surface defining an internal chamber; and, means for filling the internal chamber with the ballast. A guide rail is horizontally disposed and removably mounted to the front wall of each of the movable barriers, the guide rail being independently supported by the movable barriers, the guide rail being in the form of an elongated panel. The guide rail may be bolted to each of the plurality of barriers and, preferably, has a width in a range between about 20 cm to about 60 cm and a thickness in a range between about 1 cm to about 10 cm. The guide rail may be mounted at a height that is level with the bumper of conventional automobiles. The pad, which may be comprised of rubber or elastomer, preferably has a coefficient of friction when placed on pavement greater than about 0.5.
Further, the invention broadly provides a barrier, operable with a ballast, which includes a housing having a front wall and a back wall each extending between opposing sidewalk, and an interior surface defining an internal chamber with the internal chamber communicating with the exterior through an opening through which the ballast can be fed into the internal chamber; and wherein each of the sidewalk bows inwardly so as to be concave when the internal chamber is 4d empty and bows outwardly so as to be convex when the internal chamber is filled with the ballast.
BRIEF DESCRIPTION OF THE DRAWINGS
In order that the manner in which the above-recited and other advantages and objects of the invention are obtained, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Understanding that these drawings depict only tropical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:
Figure 1 is perspective view of an inventive barrier;
Figure 2 is a partially cut away perspective view of the barrier shown in Figure 1 taken along section line 2-2 and including a connector;
Figure 3 is a cross-sectional perspective view of the connector shown in Figure 2;
Figure 4 is a schematic representation of the barrier shown in Figure 1 absent ballast;
Figure 5 is a schematic representation of the barrier shown in Figure 1 having ballast received therein;
Figure 6 is a partially cut away front view of a pair of barriers shown in Figure 1 attached by the connector;
Figure 7 is a partially cut away plan bottom view of the barrier shown in Figure 1;
Figure 8 is a partially cut away perspective view of the barriers shown in Figure 6;
Figure 9 is a cross-sectional side view of the barrier shown in Figure 8 taken along section line 9-9;
Figure 10 is a cross-sectional side view of a pair of barriers shown in Figure 9 coupled together;
Figure 11 is a perspective view of an alternative barrier shown in Figure 1;
Figure 12 is a perspective view of a plurality of barriers having a guide rail mounted thereon;
Figure 13 is a partially cut away perspective view of the barrier shown in Figure 1 having a conduit extending therethrough;
Figure 14 is a perspective view of interconnected rods used to extend through the conduit shown in Figure 13; and Figure 15 is a perspective view of the inventive barriers being secured to the ground by anchors.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Depicted in Figure 1 is one embodiment of an inventive burner 10 incorporating features of the present invention. Barrier 10 comprises a housing 12 having an exterior surface 14. Housing 12 structurally includes a front wall 16 and an opposing back wall 18 each extending between opposing sidewalls 20 and 22. Each of sidewalk 20 and 22 likewise extend between a rounded top end 24, where front wall 16 and back wall 18 intersect, and an opposing floor 26.
Front wall 16 and back wall 18 are depicted as being substantially square. In alternative embodiments they can have alternative geometrical shapes such as rectangular or curved to form a corner. Sidewalls 20 and 22 are depicted as being substantially triangular.
Specifically, back wall 18 intersect with floor 26 at an inside angle 6, at about 90°. In alternative embodiments, angle 8, can be in a range between about 70 ° to about 90 ° with about 80 ° to about 90 ° being more preferred.
Front wall 16 intersects with floor 26 at an angle 62 in a range between about 30° to about 60° with about 40 ° to about 50 ° degrees being more preferred and about 45 ° being most preferred.
As depicted in Figure 2, barrier 10 also has an interior surface 28 that bounds an internal chamber 30. Internal chamber 30 is configured to receive a ballast. As used in the specification and appended claims, the term "ballast" is broadly intended to include any materials which can be poured into internal chamber 30. By way of example and not by limitation, the ballast can include water, salt water, non-freezing fluids, sand, rock, cement, and concrete. In yet another embodiment, the ballast can also include foam such as a polyurethane foam.
In one embodiment of the present invention, means are provided for filling internal chamber 30 with ballast. By way of example and not by limitation, depicted in Figure 1, internal chamber 30 communicates with the exterior through an opening 32 located at top end 24.
Opening 32 can be selectively sealed closed by a cap 34. In alternative embodiments, opening 32 can be positioned at other locations on barrier 10. Means are also provided for selectively draining ballast from barrier 10. By way of example and not by limitation, a threaded drain hole 36 extends through front wall 16 adjacent floor 26. Plug 38 can be screwed into drain hole 36 for sealing drain hole 36 closed.
In alternative embodiments, drain hole 36 can also be positioned at other locations on barrier 10.
To help prevent plug 38 from accidentally being knocked out of drain hole 36, drain hole 36 is preferably positioned within a recess 40.
Barrier 10 is preferably made of a resiliently deformable plastic material having strong, semi-rigid, and energy absorbing properties. Such materials include linear or cross-linked plastics which will deform under pressure but will not fail in a brittle manner. Examples of conventional plastics include polyethylene, polyvinylchloride, nylon, polycarbonate, and polypropylene. Additives such as dyes, pigments, and reinforcements, such as fibers, can also be added to the material. Florescent dies can also be added to help barriers 10 glow at night for better direction of traffic. In one embodiment, it is preferred that barrier 10 be made from a recyclable plastic such as polyethylene.
This enables old or broken barriers to be ground down and recycled into new barriers.
Barrier 10 is preferably made by rotational molding. Of course, other molding processes, such as injection molding or die molding, can also be used. Independent of the method used, it is generally desirable that barner 10 have a substantially uniform thickness T so as to minimize shrink deformation. In one embodiment, barrier 10 has a thickness T in a range between about 0.08 inches to about 0.5 inches with about 0.1 inches to about 0.3 inches being more preferred. The thickness is chosen to optimize desired deflection and required strength properties.
In one embodiment of the present invention, means are provided for connecting together a pair of discrete barriers 10 such that the strength of the connection therebetween increases as the pair of barriers 10 are filled with ballast. By way of example and not by limitation, depicted in Figures 1 and 2, a slot 42 is recessed within floor 26 adjacent to sidewall 22. Slot 42 comprises a horizontal portion 44 that extends through sidewall 22 and intersects with a vertical portion 46. Vertical portion 46 projects into floor 26 towards top end 24. Vertical portion 46 is in part bounded by a curved and outwardly sloping inside wall 48, a roof 50, and an outside wall 52. Extending between outside wall 52 and sidewall 22 is a platform 54. A hollow plug 56 upwardly extends from platform 54. Securely received within hollow plug 56 is a threaded insert 58.
Recessed within floor 26 adjacent to sidewall 20 is a slot 43. Slot 43 is substantially identical to slot 42. Identical structural elements between slot 42 and slot 43 are thus identified by like reference characters.
Slots 42 and 43 are configured to receive a corresponding connector 60.
Connector 60 is substantially U-shaped and includes a cross-member 62 having legs 64 and 66 upstanding from opposing ends thereof. Connector 60 is preferably made from the same materials and in the same process as barrier 10. Each of legs 64 and 66 has an inside face 68 and an opposing outside face 70.
Inside face 68 preferably forms an angle 03 relative to a top surface 75 of cross-member 62 less than 90°. More preferably, angle 63 is in a range between about 75°
to about 85°. Outside face 70 has a substantially conical configuration complementary to inside wall 48 of slot 42.
Depicted in Figure 3, cross member 62 has a bottom surface 72 with a recess 74 formed therein. Extending between recess 74 and the top surface 75 of cross member 62 is a solid plate portion 76. As depicted in Figures 2 and 3, a pair of spaced apart apertures 78 extend through plate portion 76. Each aperture 78 is configured to align with a corresponding threaded insert 58 when each leg 64 or 66 is received within a corresponding slot 42 or 43. As a result, a threaded bolt 80 having a washer 82 mounted thereon can be passed through aperture 78 and screwed into threaded insert 58 for securing connector 60 to barrier 10.
As depicted in Figure 4, barrier 10 is configured such that when internal chamber 30 is absent a ballast, sidewalk 20 and 22, as depicted by the dashed lines, bow inward. In one embodiment, sidewalk 20 and 22 can inwardly bow a maximum distance D, in a range between about 0.1 inches to about 1 inch with about 0.3 to about 0.7 inches being more preferred. In contrast, as depicted in Figure 5, as internal chamber 30 is filled with a ballast, such as water, sidewalls 20 and 22 bow outward. In one embodiment, sidewalls 20 and 22 can outwardly bow a maximum distance DZ in a range between about 0.1 inches to about 2.5 inches with about 1 inch to about 2 inches being preferred. Of course, the extent which sidewalls 20 and 22 can bow outwardly depends on the weight and amount of ballast that is positioned within barrier 10.
As depicted in Figure 6, when it is desirable to attach a pair of barriers 10 together, leg 64 of connector 60 is received within slot 42 of a first barrier 10A. Inside wall 48 of barrier 1 OA and outside face 70 of connector 60 are complementary configured as previously discussed so that leg 64 is self seating within slot 42. A bolt 80 can then be used to mechanically secure connector 60 to barrier 10A. It is noted that bolts 80 are often not required since the weight of barrier 10 having a ballast is usually sufficient to keep barrier 10 attached to connector 60.
Sidewall 20 of a second barrier l OB is then biased against sidewall 22 of first barrier 10A
so that leg 66 of connector 60 is received within slot 43 of second barrier 10B. If desired, bolt 80 can then be used to mechanically secure connector 60 to second barrier 10. In this configuration, each of barriers 10A and lOB are connected together. As barriers 10A and lOB
are filled with ballast, sidewalk 20 and 22 outwardly bow against each other. Separation of barriers 10A and l OB, however, is prevented as a result of connector 60. Specifically, legs 64 and 66 of connector 60 bias against corresponding outside walls 52 to prevent separation of barriers 10A
and l OB. The use of bolts 80 can also help to prevent separation. As a result of the outward bowing of sidewalk 20 and 22, a tension is placed on connector 60 and the frictional engagement between barrier 1 OA and l OB
is increased. These forces increase the strength of the connection between barriers 10A and l OB.
____ _T._ _ ___ In alternative embodiments, substantially the same effect can be achieved by filling one of the barriers with ballast.
Depicted in Figure 7 is the exterior surface of floor 26. In one embodiment of the present invention, means are provided for increasing the coefficient of friction of barrier 10. This helps to decrease unwanted sliding of barrier 10. By way of example and not by limitation, removably mounted to floor 26 are pads 84. Pads 84 preferably produce a coefficient of friction between barrier 10 and pavement greater than about 0.3, preferably greater than about 0.5 and more preferably greater than about 0.7. Pads 84 can comprise virtually any material that produces the desired coefficient of friction. Common materials are rubbers and elastomers. In one embodiment, pads 84 comprise an elongated section of a rubberized tire 86. Attachment of tire section 86 not only increases the frictional engagement between barrier 10 and a corresponding ground surface but also functions as a useful means for recycling used tires. Tire section 86 can be attached by using bolts in the same way that connector 60 is attached to barrier 10. In alternative embodiments, adhesive or other fastening structures can be used. In an alternative embodiment, smaller pads 88 can be used that are integrally molded with a threaded post 90. Post 90 can be directly screwed into a threaded recess 92 formed in floor 26. In yet other embodiments, high friction materials, such as rubber, can be molded, sprayed, or otherwise secured to floor 26.
Projecting from the interior surface of floor 26 towards top portion 24 are a pair of drain ridges 94 and 96. Drain ridge 94 extends from drain hole 36 to sidewall 22.
Drain ridge 96 extends from drain hole 36 to sidewall 20. Each drain ridge 94 and 96 is sloped slightly back towards back wall 18 and facilitates in drainage of ballast from internal chamber of barrier 10. That is, once the ballast has self drained through drain hole 36, barrier 10 can be tilted forward so that water settled on floor 26 of barrier 10 flows towards edge 98 along which drain hole 36 is positioned. Drain ridges 94 and 96 in turn channel the ballast towards drain hole 36. Although some ballast may flow over drain ridges 94 and 96, barrier 10 can be tilted back towards back wall 18 and then tilted forward again to ensure all of the water is removed from barrier 10. To assist in rolling or tilting barrier 10 forward, edge 98 is rounded.
Depicted in Figure 8, barrier 10 has a display recess 100 formed in front wall 16. Display recess 100 is depicted as having a substantially rectangular configuration. In alternative embodiments, recess 100 can have other geometrical configuration such as circular, triangular, or square. Formed within display recess 100 axe a pair of hollow plugs 102.
Hollow plugs 102 are configured to receive a threaded insert 58. It is preferred that display recess 100 be sufficiently deep such that when a display 104 is received therein, the front face of display 104 is substantially flush with the surface of front face 16. This helps to prevent people standing adjacent to barrier 10 from being caught on the edge of display 104. Display 104 is secured to barrier 10 by passing bolts through apertures 106 in display 104 which in turn threadedly engage with threaded inserts 58 in hollow plugs 102. A similar display recess can also be formed on back wall 18.
As also depicted in Figure 8, upwardly projecting from floor 26 of barrier 10 is a substantially conical post 108. Post 108 is aligned with opening 32 at top end 24 of barrier 10. Post 108 is configured to be received in the end of a hollow pole 110 such as a flag pole.
As a result of post 108 being substantially conical, post 108 can be snugly received within a variety of alternative pole sizes.
In alternative embodiments, post 108 can be different configurations to receive different pole configurations.
As previously discussed, barriers 10 are configured such that sidewalls 20 and 22 radially bow out when filled with a ballast. In one embodiment of the present invention, means are provided for substantially preventing the bowing of front wall 16 and back wall 18 when internal chamber 30 is filled with a ballast. By preventing the bowing of front wall 16 and back wall 18, deformation to any displays mounted thereon is minimized and the pressure applied to sidewall 20 and 22 by the ballast is maximized. By way of example and not by limitation, a plurality of pockets 114 are recessed within top surface 116 of front wall 16 and back wall 18. Each of pockets 114 includes a floor 117 and a sloping reinforcing rib 118 extending between top surface 116 and floor 117.
Reinforcing ribs 118 provide structural integrity and stiffening to both front wall 16 and back wall 18 which substantially prevents bowing of the walls.
In the embodiment depicted, reinforcing ribs 118 having a substantially triangular configuration. In alternative embodiments, reinforcing ribs 118 can have alternative geometrical configurations. For example, reinforcing ribs 118 can be circular, square, irregular, or other polygonal configuration. Furthermore, reinforcing ribs 118 can smoothly transition into floor 117.
For example, pockets 114 can be can have a semi-spherical configuration. In yet other embodiments, pockets 114 can be replaced with elongated reinforcing ribs that extending across front wall 16 and back wall 18.
To further ensure that only sidewalls 20 and 22 are bowed during filling with ballast, it is also preferred that sidewalls 20 and 22 be smooth and uniform. In this configuration, the rigidity of sidewalls 20 and 22 is minimized, thereby helping to insure that sidewalls 20 and 22 are bowed rather then front wall 16 and back wall 18.
In one embodiment of the present invention, a hand hold 122 is recessed within front wall 16 adjacent to top end 24. Hand hold 122 enables easy moving an manipulation of barrier 10. A
similar hand hold can also be positioned on back wall 18.
The present invention also includes means for mechanically mating a pair of barriers 10 together such that the resulting combination has a substantially square transverse cross-section. By way of example and not by limitation, projecting from front wall 16 adjacent to floor 26 is a tenon 124. In the embodiment depicted, tenon 124 comprises a substantially inverted pocket 114. That is, tenon 124 comprises an outwardly projecting reinforcing rib 126 that terminates at an end wall 128. Tenon 124 is configured complementary to a mortise 130 projecting into front wall 16 adjacent to top portion 24. Mortise 130 can also function as a pocket 114 as previously discussed.
As depicted in Figure 10, by inverting a second barrier and biasing front walls 16 together, tenon 124 of each of barriers 10 can be received within the corresponding mortise 130 of the opposing barrier. As such, barriers 10 are mated together. When sidewalk 22 and 24 form a right triangle, the resulting mated barriers 10 have a substantially square transverse cross-section. As a result, the mated barriers 10 are easily stacked for transport or storage. In alternative embodiments, tenon 124 and mortise 130 can be a variety of alternative configurations and need only be constructed so that they mate together. Similar mortise and tenon configurations can also be formed on back wall 18 of barrier 10 for connecting adjacent back walls of barriers 10 together.
Depicted in Figure 11, a tie-down port 132 extends between front wall 16 and back wall 18.
Tie-down port 132 enables structures to be tied to barrier 10 by passing a rope, strap or other type of cord through tie-down port 132. Barrier 10 depicted in Figure 11 also incorporates a foot hold on front wall 16. The foot hold can comprise a large recess 134 into which a foot can be received or step 136. Step 136 can be secured within recess 134 so that a user can stand on the end thereof. In alternative embodiments, a step can be integrally molded into front wall 16.
The foot hold enables a person to reach over barrier 10 as needed. Of course, it is also envisioned that a foot hold can be positioned on back wall 18.
When it is desirable to minimize the potential for barrier 10 to be tipped over, such as in crowded events, a plate 140 can be attached to thereto. Plate 140 comprises a first end 142 having a pair of apertures 144 extending therethrough. Apertures 144 are configured to line up with threaded inserts 58 as previously discussed with regard to Figure 2. As a result, bolt 80 can be used to secure plate 140 to barrier 10. Second end 146 of plate 140 projects away from barrier 10 along a ground surface. In one embodiment, plate 140 projects away from barrier 10 for a distance D3 greater than 1 foot preferably greater than about 2 feet and more preferably greater than about 4 feet. By facing plate 140 towards the crowed, people will be standing on plate 140, thereby making it more difficult for barrier 10 to be tipped over. In alternative embodiments, rails 150 can extend from plate 140 up back wall 18. By securing rails 150 to back wall 18, the leverage against bolts 80 is minimized.
In yet another embodiment, fork lift apertures 152 can extend through either or both front wall 16 and back wall 18 and along floor 26. Fork lift apertures 152 are configured to receive the tines of a fork lift such that, if desired, barrier 10 can be moved by a fork lift even if filled with ballast.
As depicted in Figure 12, a guide rail 150 can be secured to each barrier 10.
Each guide rail 150 has an elongated board-like configuration with opposing sides 154 and 156 extending between opposing ends 158 and 160. In one embodiment, guide rail 150 has a width W
typically in a range between about 20 cm to about 60 cm with about 30 cm to about 50 cm being more preferred. Guide rail 150 also has a thickness which is typically in a range from about 1 cm to about 10 cm with about 2 cm to about 6 cm being more preferred. Guide rail 150 can be made of a plurality of different materials. In one embodiment, guide rail 150 is made from the same type of material as barrier 10.
In alternative embodiments, guide rail 150 can also be made of metal, wood, composites, or other materials.
Guide rail 150 is secured to adjacent barners 10 by passing bolts 152 through guide rail 150 and then screwing bolts 152 into thread inserts 155 formed on front wall 16 of barrier 10. Guide rail 150 is positioned on barrier 10 at a height that is level with the bumper of conventional automobiles.
If desired, guide rail 150 can similarly be mounted on back wall 18 of each barrier 10. Each guide rail 150 can come in a variety of different lengths so as to either span and connect between two adjacent barriers 10 or span and connect between three or more adjacent barriers 10. Abutting ends 158 and 160 of adjacent guide rails 150 are positioned at the center of the front wall 16 or back wall 18.
In one embodiment of the present invention, means are provided for connecting the adjacent ends 158 and 160 together. By way of example and not by limitation, an elongated groove 162 is formed along each edge 154 and 156 of guide rail 150. A substantially U-shaped bracket 164 is formed having curved arms 166 projecting from each end. Each arm 166 is configured to mate with a corresponding groove 162 such that bracket 164 covers the joint between adjacent guide rails 150 and secures the guide rails together by frictional engagement. There are of course a variety of different type of brackets that can be used to secure adjacent guide rails 150 together. For example, a bracket could be used to bolt or interlock the guide rails together.
Likewise, the bracket can be in the form of a sleeve which encloses the ends.
The function of guide rail 1 SO is to more evenly distribute the impact force of an automobile or other object striking against barrier 10. That is, each guide rail 150 is mounted on barrier 10 such that the bumper of an automobile first impacts barrier 10 by striking against guide rail 150. In this situation, guide rail 150 serves three primary functions. First, the front face of the guide rail 1 SO
is substantially smooth which helps to initially deflect the automobile should the automobile strike at an angle. Second, guide rail 150 increases the thickness and structural strength of barrier 10, thereby helping to prevent rupture or failure at that point. Third, as a result of guide rails 150 interconnecting between adjacent barners 10, the impact of the automobile is more evenly distributed among each of the adjacent barriers as opposed to being absorbed by a single barrier. As a result, the connected barriers are better able to absorb the impact and stop the travel of the automobile.
Depicted in Figure 13 is yet another alternative embodiment of an inventive barrier system wherein adjacent barriers 10 can be interconnected. As disclosed therein, each barrier 10 has a recess 170 formed on each side wall 20 and 22 in horizontal alignment.
Recesses 170 are formed towards top end 24 of barner 10. Longitudinally extending between recesses 170 is a conduit 172.
Conduit 172 has a channel 174 longitudinally extending therethrough. In one embodiment, conduit 172 is made of metal. Although channel 174 is depicted having a keyhole-type configuration, channel 174 can have a variety of different geometrical configurations.
Integrally formed with side walls 20 and 22 and covering conduit 174 is a cover layer 176. Cover layer 176 is comprised of the same material as barrier 10. Cover layer 176 functions to maintain a liquid-tight environment for internal chamber 30.
The manufacture of barrier 10 having conduit 172 is preferably done by rotational molding.
Initially, conduit 172 is disposed within the mold and the plastic barrier material is applied thereto.
To provide a uniform thickness of barrier material on conduit 172, conduit 172 is heated. This heating can be accomplished by either heating conduit 172 prior to insertion within the mold or by heating conduit 172, such as by blowing air thereon or having an electrical heater attached thereto, once positioned within the mold. Having a uniform thickness of material on conduit 172 is helpful to prevent shrink deformation during cooling of the material.
One of the benefits of having conduit 172 is that a connector can be passed through channel 174 for coupling together adjacent barriers 10. In one embodiment, as depicted in Figure 14, the connectors comprise metal rods 178. Each metal rod 178 has a first end 180 with a finger 182 projecting therefrom and an opposing second end 184 having a loop 186 formed thereat. In this configuration, a rod 178 is slid through channel 174 of adjacently disposed barriers. A finger 182 of a first rod 170 is then rotated to fit within a loop 186 of an adjacent second rod 178, thereby coupling the rods together. This coupling occurs within the chamber formed by aligned recesses 170.
By connecting rods 178 within adjacent barriers 10, the barriers are further strengthened to help resist the impact of an automobile or other object. There are of course a variety of different designs which can be used for connecting rods 178. For example, different catches or threaded connections can be used. In yet another embodiment, a single cable can be passed through each of the aligned conduits 172. In this embodiment, it is not necessary to form recesses 170 since no discrete connections are made between barriers 10.
As depicted in Figure 15, the present invention also envisions that barriers 10 can be connected to the ground. By way of example, a cable 190 extends from rod 178 to an anchor 192.
Anchor 192 is secured within the ground. Anchor 192 can have a variety of different configurations.
In the embodiment depicted, anchor 192 has a shovel head-type of configuration which is disposed within the ground. In alternative embodiments, anchor 192 can also comprise concrete posts, bolts which are drilled into surrounding rock, spikes, poles, or any other configuration which can secure cable 190 into the ground. Similarly, a cable 190 and anchor 192 can also be used for securing connector 60 to the ground. Similar anchors can also be used on the opposing end of connected barriers 10 for securing barriers 10 to the ground.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrated and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (35)
1. A barrier system operable with a ballast, the barrier system comprising:
(a) a movable first barrier comprising:
(i) a housing including a front wall, a back wall, and a pair of opposing sidewalls with a floor extending therebetween, the floor having a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalls and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion;
(ii) an interior surface defining an internal chamber; and (iii) means for filling the internal chamber with the ballast; and (b) a movable second barrier comprising:
(i) a housing including a front wall, a back wall, and a pair of opposing sidewalls with a floor extending therebetween;
(ii) an interior surface defining an internal chamber;
(iii) means for filling the internal chamber with the ballast; and (iv) a connector projecting from one of the sidewalls of the housing of the second barrier, the connector including a base outwardly projecting from the sidewall and a leg upwardly projecting from the base at a distance spaced apart from the sidewall, the connector being configured to be received within the slot of the first barrier so as to selectively interlock the first barrier to the second barrier.
(a) a movable first barrier comprising:
(i) a housing including a front wall, a back wall, and a pair of opposing sidewalls with a floor extending therebetween, the floor having a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalls and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion;
(ii) an interior surface defining an internal chamber; and (iii) means for filling the internal chamber with the ballast; and (b) a movable second barrier comprising:
(i) a housing including a front wall, a back wall, and a pair of opposing sidewalls with a floor extending therebetween;
(ii) an interior surface defining an internal chamber;
(iii) means for filling the internal chamber with the ballast; and (iv) a connector projecting from one of the sidewalls of the housing of the second barrier, the connector including a base outwardly projecting from the sidewall and a leg upwardly projecting from the base at a distance spaced apart from the sidewall, the connector being configured to be received within the slot of the first barrier so as to selectively interlock the first barrier to the second barrier.
2. A barrier system as recited in claim 1, wherein the leg of the connector has an inside face that inwardly slopes so as to form an inside angle between the inside face of the leg and the base of the connector that is less than 90°.
3. A barrier system as recited in claim 1, wherein each of the sidewalls of the first and second barrier are configured to bow outwardly when the barriers are filled with the ballast.
4. A barrier operable with a ballast, the barrier comprising:
(a) a housing including a front wall a back wall, and a pair of opposing sidewalls with a floor extending therebetween, the floor having a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalls and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion;
(b) an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening, the internal chamber being configured to receive the ballast through the opening; and (c) a substantially U-shaped connector having a pair of upstanding legs with a cross-member extending therebetween, the connector being configured such that when one of the legs is received within the slot recessed on the floor of the housing, the opposing leg is freely disposed adjacent to one of the sidewalls.
(a) a housing including a front wall a back wall, and a pair of opposing sidewalls with a floor extending therebetween, the floor having a bottom surface with a recessed slot formed thereon, the slot including a horizontal portion that extends through one of the sidewalls and a vertical portion that intersects with the horizontal portion and projects up into the housing above the horizontal portion;
(b) an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening, the internal chamber being configured to receive the ballast through the opening; and (c) a substantially U-shaped connector having a pair of upstanding legs with a cross-member extending therebetween, the connector being configured such that when one of the legs is received within the slot recessed on the floor of the housing, the opposing leg is freely disposed adjacent to one of the sidewalls.
5. A barrier as recited in claim 4, wherein each leg of the connector has a sloping outside face.
6. A barrier operable with a ballast, the barrier comprising:
(a) a housing including a front wall and a back wall each extending between opposing sidewalls, the housing also including an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening through which the ballast can be fed into the internal chamber, each of the sidewalls bowing inwardly when the internal chamber is empty and bowing outwardly when the internal chamber is filled with the ballast; and (b) means for substantially preventing bowing of the front wall and the back wall when the internal chamber of the housing is filled with the ballast.
(a) a housing including a front wall and a back wall each extending between opposing sidewalls, the housing also including an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening through which the ballast can be fed into the internal chamber, each of the sidewalls bowing inwardly when the internal chamber is empty and bowing outwardly when the internal chamber is filled with the ballast; and (b) means for substantially preventing bowing of the front wall and the back wall when the internal chamber of the housing is filled with the ballast.
7. A barrier as recited in claim 6, wherein the means for substantially preventing bowing comprises a plurality of pockets recessed within the front wall and the back wall.
8. A barrier as recited in claim 6, wherein the side walls are substantially planar and have a substantially uniform thickness.
9. A barrier as recited in claim 6, further comprising a display recess formed in the back wall or front wall.
10. A barrier as recited in claim 6, further comprising a tie-down port extending between the front wall and the back wall.
11. A barrier system comprising a pair of discrete, movable barriers, each of the barriers including:
(a) a housing having an exterior surface with a substantially triangular transverse cross section and an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening, the housing comprising a front wall and a back wall each extending between opposing sidewalls; and (b) means for mechanically mating the pair of barriers together such that the resulting combination has a substantially square transverse cross section.
(a) a housing having an exterior surface with a substantially triangular transverse cross section and an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening, the housing comprising a front wall and a back wall each extending between opposing sidewalls; and (b) means for mechanically mating the pair of barriers together such that the resulting combination has a substantially square transverse cross section.
12. A barrier system as recited in claim 11, wherein the means for mechanically mating comprises:
(a) each housing having a floor with the back wall orthogonally extending from the floor to a top end and the front wall extending at an angle from the floor to the top end;
(b) a tenon projecting from the front wall; and (c) a mortise spaced from the tenon and recessed within the front wall, the mortise being positioned such that when one of the barriers is inverted and the front walls of the barriers are biased together, the mortise of each barrier receives the tenon of the other barrier.
(a) each housing having a floor with the back wall orthogonally extending from the floor to a top end and the front wall extending at an angle from the floor to the top end;
(b) a tenon projecting from the front wall; and (c) a mortise spaced from the tenon and recessed within the front wall, the mortise being positioned such that when one of the barriers is inverted and the front walls of the barriers are biased together, the mortise of each barrier receives the tenon of the other barrier.
13. A barrier system as recited in claim 11, further comprising a post upwardly extending from the interior surface of the housing, the post being in alignment with the opening in the housing.
14. A barrier system including a pair of barriers, each of the barriers comprising:
(a) a housing including a front wall and a back wall each extending between opposing sidewalls, the housing having a sloping front wall and an interior surface defining an internal chamber;
(b) means for filling the internal chamber with a ballast;
(c) a mortise recessed within the front wall of the housing; and (d) a tenon spaced from the mortise and projecting from the front wall, the tenon and mortise being configured such that the tenon of each of the barriers can be complementary received within the mortise of the other barrier when the sloping front walls of the barriers are biased together.
(a) a housing including a front wall and a back wall each extending between opposing sidewalls, the housing having a sloping front wall and an interior surface defining an internal chamber;
(b) means for filling the internal chamber with a ballast;
(c) a mortise recessed within the front wall of the housing; and (d) a tenon spaced from the mortise and projecting from the front wall, the tenon and mortise being configured such that the tenon of each of the barriers can be complementary received within the mortise of the other barrier when the sloping front walls of the barriers are biased together.
15. A barrier system as recited in claim 14, wherein the tenon has a triangular configuration.
16. A barrier system as recited in claim 14, further comprising a foot rest formed on the front wall.
17. A barrier system as recited in claim 14, further comprising:
(a) the front wall extending between opposing side walls;
(b) a drain hole extending through the front wall adjacent to a floor of said housing; and (c) a drain ridge projecting upwardly from the floor and extending from a corresponding side wall to the drain hole.
(a) the front wall extending between opposing side walls;
(b) a drain hole extending through the front wall adjacent to a floor of said housing; and (c) a drain ridge projecting upwardly from the floor and extending from a corresponding side wall to the drain hole.
18. A barrier system as recited in claim 14, wherein the housing further comprises a floor and a pair of fork lift apertures recessed therein.
19. A barrier operable with a ballast and selectively positioned on a ground surface, the barrier comprising:
(a) a housing having a floor extending between a front wall and a back wall -each extending between opposing sidewalk, the housing also having an interior surface bounding an internal chamber, the internal chamber being configured to receive the ballast and communicating with the exterior through an opening;
(a) a housing having a floor extending between a front wall and a back wall -each extending between opposing sidewalk, the housing also having an interior surface bounding an internal chamber, the internal chamber being configured to receive the ballast and communicating with the exterior through an opening;
20 (b) a plate removably mounted to the housing and projecting from the back wall along the ground surface when the floor of the housing is positioned over the ground surface; and (c) a rail mounted on and upwardly projecting from the plate so that at least a portion of the rail is disposed adjacent to the back wall of the housing.
20. A barrier as recited in claim 19, wherein the plate is mounted to the floor.
20. A barrier as recited in claim 19, wherein the plate is mounted to the floor.
21. A barrier as recited in claim 19, wherein the plate projects at least one foot away from the housing.
22. A barrier interacting with a ballast on a ground surface, the barrier comprising:
(a) a plastic housing having a floor extending between a front wall and a back wall each extending between opposing sidewalk, the housing also having an interior surface bounding an internal chamber, the internal chamber being configured to receive the ballast and communicate with the exterior through an opening; and (b) a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.4.
(a) a plastic housing having a floor extending between a front wall and a back wall each extending between opposing sidewalk, the housing also having an interior surface bounding an internal chamber, the internal chamber being configured to receive the ballast and communicate with the exterior through an opening; and (b) a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.4.
23. A barrier as recited in claim 22, wherein the pad comprises rubber.
24. A barrier system operable with a ballast, the barrier system comprising:
a plurality of discrete movable barriers, each of the plurality of barriers comprising:
a housing including a pair of opposing sidewalk extending between a front wall and a back wall, the housing also having a floor;
a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.3;
an interior surface defining an internal chamber; and means for filling the internal chamber with the ballast; and a guide rail horizontally disposed and removably mounted to the front wall of each of the plurality of movable barriers, the guide rail being independently supported by the plurality of movable barriers, the guide rail being in the form of an elongated panel.
a plurality of discrete movable barriers, each of the plurality of barriers comprising:
a housing including a pair of opposing sidewalk extending between a front wall and a back wall, the housing also having a floor;
a pad mounted to the exterior surface of the floor of the housing, the pad having a coefficient of friction when placed on pavement greater than about 0.3;
an interior surface defining an internal chamber; and means for filling the internal chamber with the ballast; and a guide rail horizontally disposed and removably mounted to the front wall of each of the plurality of movable barriers, the guide rail being independently supported by the plurality of movable barriers, the guide rail being in the form of an elongated panel.
25. A barrier system as recited in claim 1, further comprising:
a threaded insert mounted on the floor of the first barrier;
a hole extending through the connector, the hole being aligned with the threaded insert when the connector is received within the slot of the first barrier; and a fastener adapted to extend through the hole in the connector and engage with the insert, thereby securing the connector to the first barrier.
a threaded insert mounted on the floor of the first barrier;
a hole extending through the connector, the hole being aligned with the threaded insert when the connector is received within the slot of the first barrier; and a fastener adapted to extend through the hole in the connector and engage with the insert, thereby securing the connector to the first barrier.
26. A barrier system as recited in claim 1, wherein the connector is removably mounted to the housing of the second barrier.
27. A barrier as recited in claim 4, further comprising:
an insert mounted on the floor of the housing;
a hole extending through the connector in alignment with the insert; and a fastener extending through the hole in the connector and engaging with the insert, thereby securing the connector to the housing.
an insert mounted on the floor of the housing;
a hole extending through the connector in alignment with the insert; and a fastener extending through the hole in the connector and engaging with the insert, thereby securing the connector to the housing.
28. A barrier as recited in claim 4, wherein each leg of the connector has an inside face, each inside face being sloped so as to form an inside angle between the inside face of the leg and the cross-member that is less than 90°.
29. A barrier system as recited in claim 4, wherein each of the sidewalk of the housing is configured to bow outwardly when the housing is filled with the ballast.
30. A barrier operable with a ballast, the barrier comprising a housing including a front wall and a back wall each extending between opposing sidewalk, the housing also including an interior surface defining an internal chamber, the internal chamber communicating with the exterior through an opening through which the ballast can be fed into the internal chamber, each of the sidewalk bowing inwardly so as to be concave when the internal chamber is empty and bowing outwardly so as to be convex when the internal chamber is filled with the ballast.
31. A barrier system as recited in claim 24, wherein the guide rail is bolted to each of the plurality of barriers.
32. A barrier system as recited in claim 24, wherein the guide rail has a width in a range between about 20 cm to about 60 cm and a thickness in a range between about 1 cm to about 10 cm.
33. A barrier system as recited in claim 24, wherein the guide rail is mounted at a height that is level with the bumper of conventional automobiles.
34. A barrier as recited in claim 24 wherein the pad has a coefficient of friction when placed on pavement greater than about 0.5.
35. A barrier as recited in claim 24 wherein the pad is comprised of rubber or an elastomer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/974,001 | 1997-11-19 | ||
| US08/974,001 US6086285A (en) | 1994-07-20 | 1997-11-19 | Interlocking control barrier systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2254190A1 CA2254190A1 (en) | 1999-05-19 |
| CA2254190C true CA2254190C (en) | 2006-03-14 |
Family
ID=29550576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2254190 Expired - Fee Related CA2254190C (en) | 1997-11-19 | 1998-11-17 | Interlocking control barrier systems |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2254190C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004500A1 (en) * | 2010-07-07 | 2012-01-12 | Yannick Joubeaux | Device for drawing attention to and protecting buried pipes or cables |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685172B2 (en) | 2000-02-22 | 2004-02-03 | Wayne Herbert Jolliffe | Laminated plastic barrier fence |
| ES2733349A1 (en) * | 2018-05-28 | 2019-11-28 | Micaringo S L | Urban multipurpose fence (Machine-translation by Google Translate, not legally binding) |
-
1998
- 1998-11-17 CA CA 2254190 patent/CA2254190C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004500A1 (en) * | 2010-07-07 | 2012-01-12 | Yannick Joubeaux | Device for drawing attention to and protecting buried pipes or cables |
| FR2962512A1 (en) * | 2010-07-07 | 2012-01-13 | Yannick Joubeaux | DEVICE FOR WARNING AND PROTECTION OF CONDUITS OR CABLES |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2254190A1 (en) | 1999-05-19 |
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| EEER | Examination request | ||
| MKLA | Lapsed |