US20060285925A1 - Flow restricting member - Google Patents
Flow restricting member Download PDFInfo
- Publication number
- US20060285925A1 US20060285925A1 US11/156,844 US15684405A US2006285925A1 US 20060285925 A1 US20060285925 A1 US 20060285925A1 US 15684405 A US15684405 A US 15684405A US 2006285925 A1 US2006285925 A1 US 2006285925A1
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- United States
- Prior art keywords
- face plate
- securement
- inlet opening
- storm drain
- curb inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 description 6
- 241001417527 Pempheridae Species 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
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- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/046—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps adapted to be used with kerbs
Definitions
- the present invention deals with the field of devices for restricting flow through curb inlet openings defined in street storm drains.
- the governmental costs for processing and cleaning water and other items that pass through curb inlet openings of street storm drains has become excessive.
- the openings are limited to a dimension of two inches or less.
- the present invention provides a novel construction for a face plate and mounting apparatus which together facilitates attaching of a flow restricting member in position extending over the curb inlet opening to restrict the flow of materials therein such as bottles, trash, toys and, most particularly, children and other persons.
- the mounting apparatus of the present invention includes a mounting bracket and an engagement means which can quickly and easily and reliably secure the face plate with respect to the street storm drain in the area thereof immediately surrounding a curb inlet opening for restricting flow and access thereinto.
- the flow restricting member of the present invention is designed specifically for attachment to a street storm drain such that it will extend over and restrict the flow through a curb inlet opening defined in the street storm drain.
- This construction includes a face plate which includes at least one but preferably a plurality of individual flow apertures defined therein. These flow apertures provide some level of limited or restricted flow through the face plate and into the curb inlet opening.
- the face plate will also preferably define a plurality of securement apertures to facilitate securement of the face plate with respect to the street storm drain itself.
- the securement apertures are shaped as slots to facilitate adjustment.
- Each of these flow apertures will define a first flow aperture opening in the front surface of the face plate and a second flow aperture opening in the rear surface of the face plate in flow communication with respect to one another.
- the face plate preferably includes a rear surface facing the curb inlet opening whenever the face plate is mounted. Also in the mounted position the face plate will define a front surface positioned oppositely from the rear surface facing away from the street storm drain.
- the face plate can also define first and second lateral ends at the lateral opposite ends which are preferably chamfered or beveled.
- the flow restricting member of the present invention further includes a mounting apparatus at least partially positioned extending through the securement apertures for engagement with respect to the storm drain immediately surrounding the curb inlet opening and engageable with respect to the face plate for retaining it in position extending over the curb inlet opening for restricting flow therethrough.
- the mounting apparatus preferably includes at least one but preferably a plurality of mounting brackets positioned adjacent to each of the securement apertures at a position behind the rear surface of the face plate preferably.
- the mounting bracket will include a securement section which is spatially disposed from the rear surface of the face plate to define a retaining zone therebetween which receives and holds a street storm drain, particularly, holding the portion of the street storm drain immediately surrounding the curb inlet opening.
- the mounting bracket also preferably will define a threaded hole therethrough to facilitate engagement therewith.
- the mounting bracket will also include a first abutment surface thereon which is adapted to contact and engage a second abutment surface defined on the rear surface of the face plate. The first and second abutment surfaces are adapted to abut and engage one another to facilitate securement of the mounting bracket with respect to the rear surface of the face plate.
- the mounting bracket will also preferably include a guide block extending outwardly therefrom which is positionable extending into the securement slot to facilitate maintaining of orientation of the mounting bracket with respect to the face plate.
- the guide block will preferably include a threaded hole defined therein.
- Each of the guide blocks preferably includes a first pair of guide surfaces spatially disposed from one another and extending generally parallel to one another which are adapted to orient the mounting bracket with respect to the face plate to facilitate securement to the storm drain.
- a second pair of guide surfaces can be also defined on the guide block for this same purpose.
- the second pair of guide surfaces are oriented parallel with respect to one another and extend approximately perpendicularly with respect to the first pair of guide surfaces.
- the first abutment surface of the mounting bracket preferably includes engaging teeth adapted to enhance abutment of the second abutment surface therewith. These are preferably referred to as first engaging teeth.
- the second abutment surface preferably includes second engaging teeth thereon for engagement with the first engaging teeth for enhancing securement between the first and second abutment surfaces.
- the first engaging teeth and the second engaging teeth are preferably shaped in a mutually mated manner to facilitate this engagement.
- the securement section of the mounting bracket can also preferably include drain engaging teeth which are adapted to abut and engage a street storm drain to facilitate retaining thereof within the retaining zone defined between the rear surface of the face plate and the securement section of the mounting bracket.
- An engagement device mechanism is also preferably includable which is positioned extending through each of the securement apertures to be engageable with the mounting bracket for urging thereof toward the rear surface of the face plate with the street storm drain surrounding the curb inlet opening positioned within the retaining zone for securement of the face plate with respect to it.
- This engagement means preferably includes a threaded stud member which is positionable extending through the securement aperture for engagement with the threaded hole to facilitate the mounting bracket in retaining the street storm drain and face plate together.
- the flow restricting member also includes a plurality of protective rims positioned on the front surface of the face plate in position extending outwardly therefrom.
- each of the protective rims is preferably positioned at least partially surrounding each of the securement apertures for protecting of the aperture and protecting of an engagement means such as a bolt or threaded member positioned therethrough.
- Protecting of these bolts is important because, if they are damaged, it can cause the face plate to become disengaged from the storm drain.
- these upwardly extending protective rims achieve increased elevation to allow the threaded securement means to be countersunk thereinto.
- each of the protective rims includes an outer rim edge having a bevel thereon extending toward the face plate outwardly away from the engagement aperture to facilitate protection of the protective rims and thereby further facilitate protection of the engagement apparatus.
- the face plate will define four separate securement apertures with the outside securement apertures being slots and extending horizontally and the innermost two securement apertures being of slotted shape and extending vertically.
- the outboard brackets be capable of various orientations and positionings in order to be capable of fitting the wide variety of castings and particularly those with openings having large radii.
- one or more individual rear surface spacing members will be secured to the rear surface of the face plate to extend outwardly therefrom to in this manner define a clearance space between the street storm drain and the rear surface of the face plate wherein the face plate is properly installed and secured in position.
- FIG. 1 is a perspective illustration showing the face plate only configuration of the present invention attached with respect to a street storm drain showing a curb inlet opening in dotted outline;
- FIG. 2 is a front perspective illustration of an embodiment of a face plate made in accordance with the present invention.
- FIG. 3 is a perspective illustration of an embodiment of the full shroud version of the flow restriction member of the present invention.
- FIG. 4 is a front plan view of an embodiment of the flow restricting member of the present invention shown installed
- FIG. 5 is a top plan view of the embodiment shown in FIG. 4 ;
- FIG. 6 is a cross-sectional view of FIG. 5 through lines 6 - 6 ;
- FIG. 7 is an exploded view of section A in FIG. 6 ;
- FIG. 8 is a cross-sectional view through line 8 - 8 of FIG. 4 ;
- FIG. 9 is a rear perspective view of the illustration shown in FIG. 2 ;
- FIG. 10 is a side cross-sectional view of the edges of the face plate showing the chamfered corner
- FIG. 11 is a three-quarter perspective illustration of an embodiment of the mounting bracket of the present invention.
- FIG. 12 is a cross-sectional view of an embodiment of a mounting bracket of the present invention.
- the present invention provides a flow restricting member 10 which is detachably securable with respect to a street storm drain 12 , in particular extending over a curb inlet opening 14 defined in drain 12 .
- curb inlet openings 14 are common in curbs of streets and roads in order to receive or gather excessive amounts of water to prevent accumulation thereof upon the roadways. Such storm drains 12 gather this excess water for the purpose of maintaining the roads and highways in an operable condition.
- access into the street storm drain 12 through the curb inlet opening 14 has become problematical in recent years.
- the large size of the curb inlet opening 14 allows bottles and other trash as well as toys and even individuals to gain entry into the street storm drain 12 . This has created a dangerous condition and for this reason a current movement is ongoing to reduce the size of the openings in the curb inlet opening 14 to prevent unwanted entry thereinto.
- the present invention provides a unique design for the attachment of a flow restricting member 10 to the street storm drain 12 extending over the curb inlet opening 14 .
- the flow restricting member 10 includes a face plate 16 which is securable to the street storm drain 12 in a position extending over the curb inlet opening 14 .
- Face plate 16 defines a plurality of flow apertures 18 of restricted size to limit access or flow through the curb inlet opening 14 into the storm drain 12 .
- these openings are less than two inches in vertical dimension.
- the face plate 16 need not extend over the complete portion of the curb inlet opening 14 as long as it is close enough to the lower portion of the drain 12 to define the vertical distance between the lowermost edge of the face plate 16 and the bottom edge of the curb inlet opening 14 to be less than the desired dimension which is normally approximately two inches.
- the face plate 16 will not only define the flow aperture 18 for allowing flow therethrough but also securement apertures 20 for facilitating securement of the face plate 16 and the flow restricting member 10 with respect to the street storm drain 12 .
- these securement apertures 20 in this embodiment will be formed as securement slots 21 .
- the restricted flow path 22 shows the manner in which water and other liquids can pass through the flow apertures 18 defined in the face plate 16 to allow movement thereof into drain 12 .
- Each face plate 16 will include a rear surface 24 positioned facing toward the street storm drain 12 and a front surface 26 facing away from the street storm drain 12 .
- a mounting apparatus 28 will be utilized to secure the flow restricting member 10 with respect to the drain 12 .
- This mounting apparatus 28 will include at least one mounting bracket 30 which can be positioned behind the face plate 16 .
- Mounting bracket 30 will define a securement section 32 designed to be positioned behind the storm drain 12 to facilitate the defining of a retaining zone 34 between securement section 32 and the rear surface 24 of face plate 16 .
- the retaining zone 34 will provide the means of gripping of the street storm drain 12 along the edge of the curb inlet opening 14 thereof between the securement section 32 of the mounting bracket 30 and the rear surface 24 of the face plate 16 and in this manner firmly secure the face plate 16 with respect to the storm drain 12 extending over the curb inlet opening 14 .
- This engagement means 36 will be provided for the purpose of securing these parts together.
- This engagement means 36 preferably will include a threaded hole 47 defined in the mounting bracket 30 and a threaded stud member 48 .
- threaded stud member 48 With threaded stud member 48 extending through the securement slot 21 and into the threaded hole 47 of the mounting bracket 30 , then tightening of the threaded stud member 48 will cause the securement section 32 of the mounting bracket 30 and the rear surface 24 of the face plate 16 to move toward one another thereby reducing the depth of the retaining zone 34 such that the edge of the storm drain 12 surrounding the curb inlet opening 14 can be firmly and snugly secured thereby.
- the flow restricting member 10 will be mounted to the street storm drain 12 in a position extending over the curb inlet opening 14 for restricting flow thereinto.
- Each of the mounting brackets 30 can include a guide block 44 therein which is adapted to extend into the securement slot 21 from the rear surface 24 of the face plate 16 to maintain rotational orientation of the mounting bracket 30 with respect to face plate 12 .
- the guide block 44 will be movable along and within the securement slot 21 .
- the guide block 44 includes a first pair of guide surfaces 45 extending generally parallel and oppositely located with respect to one another on the guide block.
- a second pair of guide surfaces 46 can be included parallel with respect to one another and oriented perpendicularly with respect to the first pair of guide surfaces 45 .
- first securement slot 61 second securement slot 62
- third securement slot 63 and fourth securement slot 64 The first and second securement slots 61 and 62 will be positioned in the outermost portions of the face plate 16 and will be oriented generally in a horizontally extending direction.
- the third and fourth securement slots 63 and 64 will be positioned between the first and second securement slots 61 and 62 and will normally be oriented in a vertically extending direction.
- a similarly constructed mounting bracket 30 can be used in each of these two different orientations by the inclusion of pairs of guide surfaces 45 and 46 on a guide block 44 included thereon.
- Each mounting bracket 40 will include a first abutment surface 50 adapted to engage a second abutment surface 52 defined on the rear surface 24 of face plate 16 .
- first abutment surface 50 and the second abutment surface 52 are in engaging abutment with respect to one another the mounting bracket 30 will be constructed such that the securement section 32 thereof will be spaced from the rear surface 24 of the face plate 16 to define the retaining zone 34 therebetween for holding of the portion of the street storm drain 12 immediately surrounding the curb inlet opening 14 thereof.
- first engaging teeth 54 will be defined on the first abutment surface 50 and second engaging teeth 55 will be defined on the second abutment surface 52 .
- First engaging teeth 54 and second engaging teeth 55 will preferably be of a mated or complementary design to facilitate engagement therebetween for affixing of the first abutment surface and second abutment surface 50 and 52 with respect to one another responsive to tightening of the engagement means 36 of the present invention.
- each mounting bracket 30 will also define drain engaging teeth 56 . These teeth will be positioned on the securement section 32 of the mounting bracket 30 such that they will facilitate engagement of the securement section 32 with respect to the street storm drain 12 for facilitating securement thereof within the retaining zone 34 .
- a serious problem with respect to apparatus like that shown in the present invention is in the propensity for damaging thereof by vehicles traveling in the street such as snow plows, street sweepers or any other motor vehicle.
- the face plate 16 be designed with chamfered edges 42 .
- Most particularly the first lateral edge 38 and the second lateral edge 40 will each be chamfered from the rear surface 24 inwardly toward the front surface 26 such that damage or breakage to the ends, edges or comers of the face plate 16 by snow plows and the like will be minimized.
- a protective rim 58 is positioned on the front surface 26 of each face plate 16 .
- Protective rim 58 will extend outwardly away from the face plate 16 at least partially around each of the securement apertures 20 or slots 21 in such a manner as to protect the securement aperture 20 from damage from the above described street vehicles.
- this protective rim will include a bevel 60 extending therearound which will tend to deflect any damaging item away from the engagement means such as a bolt or the like which would be positioned within the securement slot 21 extending therethrough.
- any damage to the engagement means 36 of the present invention could compromise the securement of the flow restricting member 10 with respect to the street storm drain 12 .
- the inclusion of the protective rims 58 and additionally the bevel portion 60 around the outer surface of the protective rim 58 will give significant protection to a threaded stud member 48 such as a bolt or the like which would be positioned extending through the securement slots 21 into engagement with the mounting brackets 30 behind the rear surface 24 of the face plate 16 .
- a threaded stud member 48 such as a bolt or the like which would be positioned extending through the securement slots 21 into engagement with the mounting brackets 30 behind the rear surface 24 of the face plate 16 .
- Each of the flow apertures 18 can be defined as allowing flow between a first flow aperture opening 66 defined in the front surface 26 of the face plate 16 and a second flow aperture opening 68 defined in the rear surface 24 of the face plate 16 .
- a flow aperture tapered edge 70 therebetween the actual size of the first flow aperture 66 in the front surface 26 will be somewhat larger than that of the second flow aperture opening 68 in the rear surface 24 of the face plate 16 . This will be due primarily to the taper of the flow aperture 18 as it extends from the front surface 26 to the rear surface 24 . This angled, chamfered or bevel will urge deflection of hard metal objects such as a snow plow or street sweeper equipment away from the flow restricting member 10 of the present invention to minimize damagingn thereof.
- a plurality of rear surface stiffening members 74 can be positioned on the rear surface 24 of face plate 16 for maintaining planar rigidity of the face plate.
- the rear surface stiffening ribs or members 74 can be of various configurations.
- Tabs 75 can also be provided on the rear surface 24 of the face plate 16 to provide correct spacing between the face plate and the storm grate as needed.
- the present invention can be provided in two basic embodiments one of which includes the face plate 16 apparatus as the full flow restricting member 10 .
- the other includes not only the face plate 16 but also an upper plate member 72 .
- the upper plate member 72 will extend rearwardly from the topmost edge of the face plate 16 at an angle of approximately 90 to 120 degrees with respect thereto. In this manner the upper plate member 72 and the face plate 16 will define a full shroud device enclosing not only the curb inlet opening 14 of the street storm drain 12 but also the upper surface of the drain 12 itself.
- FIG. 3 Such an embodiment is shown in FIG. 3 herein.
- the present invention provides a simple and inexpensive and easy to install and reliable debris filtering device which can be used for maximum two inch vertical dimension opening size. It can be installed without any need to remove or replace the existing street storm drain apparatus.
- the securement bolts will comprise tamper resistant bolts thereby further preventing loosening of the attachment between the flow restricting member 10 and the drain 12 . Installation and maintenance of the storm water drain cover can be achieved without requiring any removal of any portion of the storm drain 12 itself.
- the apparatus can include slots and mounting locations for placing promotional literature, advertising literature or identification information such as registration, municipality, number or bar code information.
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- Civil Engineering (AREA)
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Abstract
Description
- 1. Field of the Invention
- The present invention deals with the field of devices for restricting flow through curb inlet openings defined in street storm drains. The governmental costs for processing and cleaning water and other items that pass through curb inlet openings of street storm drains has become excessive. As such, there is a movement currently to restrict the materials that can flow into such inlet curb inlet openings by limiting the size of such openings. Often the openings are limited to a dimension of two inches or less. The present invention provides a novel construction for a face plate and mounting apparatus which together facilitates attaching of a flow restricting member in position extending over the curb inlet opening to restrict the flow of materials therein such as bottles, trash, toys and, most particularly, children and other persons. The mounting apparatus of the present invention includes a mounting bracket and an engagement means which can quickly and easily and reliably secure the face plate with respect to the street storm drain in the area thereof immediately surrounding a curb inlet opening for restricting flow and access thereinto.
- 2. Description of the Prior Art
- Other prior art devices utilizing alternative constructions have been disclosed for the purpose of restricting access or flow into storm drains in various issued patents such as disclosed in U.S. Pat. No. 232,948 patented Oct. 5, 1880 to F. Dernham on a “Sewer”; and U.S. Pat. No. 374,393 patented Dec. 6, 1887 to G. G. Campbell on a “Catch Basin Cover”; and U.S. Pat. No. 440,067 patented Nov. 4, 1890 to R. Smith and Assignor of One-Half to George W. Strange on a “Catch-Basin Top And Trap”; and U.S. Pat. No. 468,714 patented Feb. 9, 1892 to W. M. Whitten on a “Cover For Catch Basins”; and U.S. Pat. No. 505,130 patented Sep. 19, 1893 to T. J. Ryan on a “Receiver And Stench Trap”; and U.S. Pat. No. 506,267 patented Oct. 10, 1893 to W. E. Sefton and assigned to Sherlock, Elmer & Sherlock on a “Sewer-Basin Trap”; and U.S. Pat. No. 642,530 patented Jan. 30, 1900 to G. A. Robertson on a “Catch Basin”; and U.S. Pat. No. 672,868 patented Apr. 23, 1901 to J. Banwell and assigned to C. W. Nokes and George Caunter on a “Casing And Cover For Catch-Basins”; and U.S. Pat. No. 693,511 patented Feb. 18, 1902 to W. H. Garrett & H. C. Pauly and assigned to Hennessy Foundry Company on a “Sewer-Inlet”; and U.S. Pat. No. 783,556 patented Feb. 28, 1905 to R. M. Van Buskirk on a “Catch Basin Top”; and U.S. Pat. No. 1,245,903 patented Nov. 6, 1917 to E. G. Gross on a “Sewer-Trap Cap”; and U.S. Pat. No. 1,473,551 patented Nov. 6, 1923 to L. Gschwind on a “Direct Sewer Inlet”; and U.S. Pat. No. 1,479,651 patented Jan. 1, 1924 to E. G. Clements on a “Device For Marking Parking Limits For Vehicles”; and U.S. Pat. No. 1,711,674 patented May 7, 1929 to G. F. Egan on a “Sewer Construction”; and U.S. Pat. No. 2,159,752 patented May 23, 1939 to E. W. Shaw and assigned to The France Foundry & Machine Co. on a “Curb Inlet”; and U.S. Pat. No. 2,473,279 patented Jun. 14, 1949 to De Witt S. Crocker on a “Curb Inlet Casting”; and U.S. Pat. No. 3,788,756 patented Jan. 29, 1974 to S. Ito on a “Curb And Drain Unit”; and U.S. Pat. No. 3,881,832 patented May 6, 1975 to H. A. Maguire on a “Low Profile Protective Insert For Sewers”; and U.S. Pat. No. 3,957,383 patented May 18, 1976 to R. H. Fredericks on a “Curb Protection Device And Method”; and U.S. Pat. No. 4,046,482 patented Sep. 6, 1977 to H. R. Paasch on a “Protective Cover For Sewer Grates”; and U.S. Pat. No. 4,594,157 patented Jun. 10, 1986 to B. J. McGowan on an “Inlet Clamp And Screen”; and U.S. Pat. No. 4,610,566 patented Sep. 9, 1986 to N. P. Albang et al and assigned to Phoenix Simpton Company on a “Curb Inlet With Removable Gutter Form”; and U.S. Pat. No. 5,232,587 patented Aug. 3, 1993 to T. E. Hegemier et al and assigned to Tom Hegemier on a “Stormwater Inlet Filter”; and U.S. Pat. No. 5,345,741 patented Sep. 13, 1994 to H. O. Slater et al and assigned to J. & H. Slater Construction Co., Inc. on a “Silt Blockage For Catch Basins”; and U.S. Pat. No. 5,403,474 patented Apr. 4, 1995 to G. R. Emery on a “Curb Inlet Gravel Sediment Filter”; and U.S. Pat. No. 5,632,888 patented May 27, 1997 to A. W. Chinn et al and assigned to Dandy Enterprises Limited on an “Environmental Filter”; and U.S. Pat. No. 5,702,595 patented Dec. 30, 1997 to W. H. Mossburg, Jr. on a “Catch Basin Guard”; and U.S. Pat. No. 5,954,952 patented Sep. 21, 1999 to D. M. Strawser and assigned to Alpine Stormwater Management Company on a “Stormwater Catch Basin Filter Assembly”; and U.S. Pat. No. 6,010,622 patented Jan. 4, 2000 to A. W. Chinn et al and assigned to Dandy Enterprises Limited on an “Environmental Filter”; and U.S. Pat. No. 6,015,489 patented Jan. 18, 2000 to L. J. Allen et al and assigned to Larry J. Allen and Bridgett L. Allen on a “Plastic Self-Relieving Curb Inlet Fitler”; and U.S. Pat. No. 6,017,166 patented Jan. 25, 2000 to W. H. Mossburg, Jr. on a “Catch Basin Guard And Filter”; and U.S. Pat. No. 6,214,216 patented Apr. 10, 2001 to R. Isaacson on a “Drain Filter Support”; and U.S. Pat. No. 6,227,758 patented May 8, 2001 to G. J. Missick et al on a “Protector For Through-The-Curb Drain”; and U.S. Pat. No. 6,402,942 patented Jun. 11, 2002 to T. Cardwell et al on a “Catch Basin Curb Inlet Filter Assembly”; and U.S. Pat. No. 6,537,446 patented Mar. 25, 2003 to P. S. Sanguinetti and assigned to The Water Sweeper on a “Drainage Filter System For Debris And Contaminant Removal”; and U.S. Pat. No. 6,609,852 patented Aug. 26, 2003 to B. J. Wimberger and assigned to Brian J. Wimberger on a “Sediment Control Drain And Method Of Construction”; and U.S. Pat. No. 6,709,579 patented to E. R. Singleton et al on Mar. 23, 2004 and assigned to Silt-Saver, Inc. on a “Curb Inlet Filter”; and U.S. Pat. No. 6,811,708 patented Nov. 2, 2004 to M. D. Shaw et al and assigned to UltraTech International, Inc. on a “Curb Guard Filter”; and U.S. Pat. No. 6,821,053 patented Nov. 23, 2004 to A. Martinez on a “Water Flow Responsive Barrier For Gutters And Storm Drains With Rotary Actuator”; and U.S. Pat. No. 6,824,677 patented to A. Martinez on Nov. 330, 2004 on a “Curbside Trap For Pollutants And Solid Trash”.
- The flow restricting member of the present invention is designed specifically for attachment to a street storm drain such that it will extend over and restrict the flow through a curb inlet opening defined in the street storm drain. This construction includes a face plate which includes at least one but preferably a plurality of individual flow apertures defined therein. These flow apertures provide some level of limited or restricted flow through the face plate and into the curb inlet opening. The face plate will also preferably define a plurality of securement apertures to facilitate securement of the face plate with respect to the street storm drain itself. The securement apertures are shaped as slots to facilitate adjustment. Each of these flow apertures will define a first flow aperture opening in the front surface of the face plate and a second flow aperture opening in the rear surface of the face plate in flow communication with respect to one another. These flow apertures are tapered inwardly toward the rear surface of the face plate preferably such that the first flow aperture is larger than the second flow aperture to facilitate protection of the face plate by providing beveled or chamfered edges therearound. The face plate preferably includes a rear surface facing the curb inlet opening whenever the face plate is mounted. Also in the mounted position the face plate will define a front surface positioned oppositely from the rear surface facing away from the street storm drain. The face plate can also define first and second lateral ends at the lateral opposite ends which are preferably chamfered or beveled.
- The flow restricting member of the present invention further includes a mounting apparatus at least partially positioned extending through the securement apertures for engagement with respect to the storm drain immediately surrounding the curb inlet opening and engageable with respect to the face plate for retaining it in position extending over the curb inlet opening for restricting flow therethrough. The mounting apparatus preferably includes at least one but preferably a plurality of mounting brackets positioned adjacent to each of the securement apertures at a position behind the rear surface of the face plate preferably. The mounting bracket will include a securement section which is spatially disposed from the rear surface of the face plate to define a retaining zone therebetween which receives and holds a street storm drain, particularly, holding the portion of the street storm drain immediately surrounding the curb inlet opening. In this manner the face plate will be fixedly secured with respect to the storm drain by proper positioning of the mounting bracket. The mounting bracket also preferably will define a threaded hole therethrough to facilitate engagement therewith. The mounting bracket will also include a first abutment surface thereon which is adapted to contact and engage a second abutment surface defined on the rear surface of the face plate. The first and second abutment surfaces are adapted to abut and engage one another to facilitate securement of the mounting bracket with respect to the rear surface of the face plate.
- The mounting bracket will also preferably include a guide block extending outwardly therefrom which is positionable extending into the securement slot to facilitate maintaining of orientation of the mounting bracket with respect to the face plate. The guide block will preferably include a threaded hole defined therein. Each of the guide blocks preferably includes a first pair of guide surfaces spatially disposed from one another and extending generally parallel to one another which are adapted to orient the mounting bracket with respect to the face plate to facilitate securement to the storm drain. A second pair of guide surfaces can be also defined on the guide block for this same purpose. Preferably the second pair of guide surfaces are oriented parallel with respect to one another and extend approximately perpendicularly with respect to the first pair of guide surfaces.
- The first abutment surface of the mounting bracket preferably includes engaging teeth adapted to enhance abutment of the second abutment surface therewith. These are preferably referred to as first engaging teeth. The second abutment surface preferably includes second engaging teeth thereon for engagement with the first engaging teeth for enhancing securement between the first and second abutment surfaces. The first engaging teeth and the second engaging teeth are preferably shaped in a mutually mated manner to facilitate this engagement. The securement section of the mounting bracket can also preferably include drain engaging teeth which are adapted to abut and engage a street storm drain to facilitate retaining thereof within the retaining zone defined between the rear surface of the face plate and the securement section of the mounting bracket.
- An engagement device mechanism is also preferably includable which is positioned extending through each of the securement apertures to be engageable with the mounting bracket for urging thereof toward the rear surface of the face plate with the street storm drain surrounding the curb inlet opening positioned within the retaining zone for securement of the face plate with respect to it. This engagement means preferably includes a threaded stud member which is positionable extending through the securement aperture for engagement with the threaded hole to facilitate the mounting bracket in retaining the street storm drain and face plate together. Preferably the flow restricting member also includes a plurality of protective rims positioned on the front surface of the face plate in position extending outwardly therefrom. One of these protective rims are preferably positioned at least partially surrounding each of the securement apertures for protecting of the aperture and protecting of an engagement means such as a bolt or threaded member positioned therethrough. Protecting of these bolts is important because, if they are damaged, it can cause the face plate to become disengaged from the storm drain. Thus these upwardly extending protective rims achieve increased elevation to allow the threaded securement means to be countersunk thereinto. In the preferred configuration each of the protective rims includes an outer rim edge having a bevel thereon extending toward the face plate outwardly away from the engagement aperture to facilitate protection of the protective rims and thereby further facilitate protection of the engagement apparatus.
- In one of the preferred configurations of the present invention the face plate will define four separate securement apertures with the outside securement apertures being slots and extending horizontally and the innermost two securement apertures being of slotted shape and extending vertically. In this manner maximum universal flexibility in securement with respect to various different sizes, shapes and configurations of street storm drains is made possible. It is particularly important that the outboard brackets be capable of various orientations and positionings in order to be capable of fitting the wide variety of castings and particularly those with openings having large radii.
- In some applications it is also necessary to use a full shroud rather than merely the face plate and in those configurations an upper plate member will be secured to the face plate to extend rearwardly therefrom at an angle of approximately 90 to 120 degrees with respect thereto. In this manner the full shroud will cover not only the curb inlet opening and the street storm drain portion therearound but also the horizontal portion of the street storm drain extending rearwardly from the area adjacent the curb inlet opening thereof. Also the present invention in some applications requires a clearance space between the rear surface of the face plate and the street storm drain and curb inlet opening defined therein. For these applications one or more individual rear surface spacing members will be secured to the rear surface of the face plate to extend outwardly therefrom to in this manner define a clearance space between the street storm drain and the rear surface of the face plate wherein the face plate is properly installed and secured in position.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes flow apertures with a maximum length or width dimension of two inches.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes a mounting apparatus with an engagement means for securing a mounting bracket with respect to a face plate and the storm drain for securing them together.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes chamfered edges at various locations to minimize damage such as from snow plows or other vehicles when in use positioned over a street storm drain.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes protective rims extending outwardly for protecting the mounting apparatus for securing the face plate to the drain.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which has minimal capital costs.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which requires a minimum amount of maintenance.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which is lightweight.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes a unique means of attachment utilizing mounting brackets and engaging devices such as threaded studs.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes drain engaging teeth located on the mounting bracket to facilitate engagement of the mounting bracket with respect to the street storm drain itself in the area thereof immediately surrounding the curb inlet opening.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which can include tamperproof threaded bolts to prevent disengagement or removal thereof.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which includes engaging teeth on the mounting bracket designed to interlock with engaging teeth on an abutment surface defined on the rear surface of the face plate for facilitating securement of the face plate with respect to the drain.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which can include guide blocks with guide surfaces for maintaining proper angular orientation of the mounting bracket with respect to the securement slot within which it is positioned.
- It is an object of the present invention to provide a flow restricting member particularly usable attached to a street storm drain for restricting flow into a curb inlet opening therein which firmly secures a face plate over the curb inlet opening utilizing tamperproof securement bolts.
- While the invention is particularly pointed out and distinctly claimed in the concluding portions herein, a preferred embodiment is set forth in the following detailed description which may be best understood when read in connection with the accompanying drawings, in which:
-
FIG. 1 is a perspective illustration showing the face plate only configuration of the present invention attached with respect to a street storm drain showing a curb inlet opening in dotted outline; -
FIG. 2 is a front perspective illustration of an embodiment of a face plate made in accordance with the present invention; -
FIG. 3 is a perspective illustration of an embodiment of the full shroud version of the flow restriction member of the present invention; -
FIG. 4 is a front plan view of an embodiment of the flow restricting member of the present invention shown installed; -
FIG. 5 is a top plan view of the embodiment shown inFIG. 4 ; -
FIG. 6 is a cross-sectional view ofFIG. 5 through lines 6-6; -
FIG. 7 is an exploded view of section A inFIG. 6 ; -
FIG. 8 is a cross-sectional view through line 8-8 ofFIG. 4 ; -
FIG. 9 is a rear perspective view of the illustration shown inFIG. 2 ; -
FIG. 10 is a side cross-sectional view of the edges of the face plate showing the chamfered corner; -
FIG. 11 is a three-quarter perspective illustration of an embodiment of the mounting bracket of the present invention; and -
FIG. 12 is a cross-sectional view of an embodiment of a mounting bracket of the present invention. - The present invention provides a
flow restricting member 10 which is detachably securable with respect to astreet storm drain 12, in particular extending over a curb inlet opening 14 defined indrain 12. - Such
curb inlet openings 14 are common in curbs of streets and roads in order to receive or gather excessive amounts of water to prevent accumulation thereof upon the roadways. Such storm drains 12 gather this excess water for the purpose of maintaining the roads and highways in an operable condition. However, access into thestreet storm drain 12 through thecurb inlet opening 14 has become problematical in recent years. The large size of thecurb inlet opening 14 allows bottles and other trash as well as toys and even individuals to gain entry into thestreet storm drain 12. This has created a dangerous condition and for this reason a current movement is ongoing to reduce the size of the openings in the curb inlet opening 14 to prevent unwanted entry thereinto. For this reason the present invention provides a unique design for the attachment of aflow restricting member 10 to thestreet storm drain 12 extending over thecurb inlet opening 14. - For this purpose the
flow restricting member 10 includes aface plate 16 which is securable to thestreet storm drain 12 in a position extending over thecurb inlet opening 14.Face plate 16 defines a plurality offlow apertures 18 of restricted size to limit access or flow through thecurb inlet opening 14 into thestorm drain 12. Preferably these openings are less than two inches in vertical dimension. Theface plate 16 need not extend over the complete portion of the curb inlet opening 14 as long as it is close enough to the lower portion of thedrain 12 to define the vertical distance between the lowermost edge of theface plate 16 and the bottom edge of the curb inlet opening 14 to be less than the desired dimension which is normally approximately two inches. - The
face plate 16 will not only define theflow aperture 18 for allowing flow therethrough but also securementapertures 20 for facilitating securement of theface plate 16 and theflow restricting member 10 with respect to thestreet storm drain 12. Normally thesesecurement apertures 20 in this embodiment will be formed assecurement slots 21. As shown in the figures of the present invention the restrictedflow path 22 shows the manner in which water and other liquids can pass through theflow apertures 18 defined in theface plate 16 to allow movement thereof intodrain 12. - Each
face plate 16 will include arear surface 24 positioned facing toward thestreet storm drain 12 and afront surface 26 facing away from thestreet storm drain 12. - A mounting
apparatus 28 will be utilized to secure theflow restricting member 10 with respect to thedrain 12. This mountingapparatus 28 will include at least one mountingbracket 30 which can be positioned behind theface plate 16. Mountingbracket 30 will define asecurement section 32 designed to be positioned behind thestorm drain 12 to facilitate the defining of a retainingzone 34 betweensecurement section 32 and therear surface 24 offace plate 16. In this manner the retainingzone 34 will provide the means of gripping of thestreet storm drain 12 along the edge of the curb inlet opening 14 thereof between thesecurement section 32 of the mountingbracket 30 and therear surface 24 of theface plate 16 and in this manner firmly secure theface plate 16 with respect to thestorm drain 12 extending over thecurb inlet opening 14. - An engagement means 36 will be provided for the purpose of securing these parts together. This engagement means 36 preferably will include a threaded
hole 47 defined in the mountingbracket 30 and a threadedstud member 48. With threadedstud member 48 extending through thesecurement slot 21 and into the threadedhole 47 of the mountingbracket 30, then tightening of the threadedstud member 48 will cause thesecurement section 32 of the mountingbracket 30 and therear surface 24 of theface plate 16 to move toward one another thereby reducing the depth of the retainingzone 34 such that the edge of thestorm drain 12 surrounding thecurb inlet opening 14 can be firmly and snugly secured thereby. In this manner theflow restricting member 10 will be mounted to thestreet storm drain 12 in a position extending over thecurb inlet opening 14 for restricting flow thereinto. - Each of the mounting
brackets 30 can include aguide block 44 therein which is adapted to extend into thesecurement slot 21 from therear surface 24 of theface plate 16 to maintain rotational orientation of the mountingbracket 30 with respect to faceplate 12. To achieve this purpose theguide block 44 will be movable along and within thesecurement slot 21. Preferably theguide block 44 includes a first pair of guide surfaces 45 extending generally parallel and oppositely located with respect to one another on the guide block. To further facilitate universal usage of the mountingbrackets 30 which include guide blocks 44 a second pair of guide surfaces 46 can be included parallel with respect to one another and oriented perpendicularly with respect to the first pair of guide surfaces 45. In this manner the mountingbrackets 30 with the two pairs of guide surfaces 45 and 46 included on theguide block 44 will allow a single design of a mountingbracket 30 to be utilized whether extending in the horizontal or vertical direction. In a more preferred embodiment of the present invention four securement slots will be included, namely,first securement slot 61,second securement slot 62,third securement slot 63 andfourth securement slot 64. The first andsecond securement slots face plate 16 and will be oriented generally in a horizontally extending direction. The third andfourth securement slots second securement slots bracket 30 can be used in each of these two different orientations by the inclusion of pairs of guide surfaces 45 and 46 on aguide block 44 included thereon. - The construction of the mounting
bracket 30 is an important characteristic of the present invention. Each mountingbracket 40 will include afirst abutment surface 50 adapted to engage asecond abutment surface 52 defined on therear surface 24 offace plate 16. When thefirst abutment surface 50 and thesecond abutment surface 52 are in engaging abutment with respect to one another the mountingbracket 30 will be constructed such that thesecurement section 32 thereof will be spaced from therear surface 24 of theface plate 16 to define the retainingzone 34 therebetween for holding of the portion of thestreet storm drain 12 immediately surrounding the curb inlet opening 14 thereof. To facilitate engagement between the first and second abutment surfaces 50 and 52 preferably first engagingteeth 54 will be defined on thefirst abutment surface 50 and second engagingteeth 55 will be defined on thesecond abutment surface 52. First engagingteeth 54 and second engagingteeth 55 will preferably be of a mated or complementary design to facilitate engagement therebetween for affixing of the first abutment surface andsecond abutment surface - Preferably each mounting
bracket 30 will also definedrain engaging teeth 56. These teeth will be positioned on thesecurement section 32 of the mountingbracket 30 such that they will facilitate engagement of thesecurement section 32 with respect to thestreet storm drain 12 for facilitating securement thereof within the retainingzone 34. - A serious problem with respect to apparatus like that shown in the present invention is in the propensity for damaging thereof by vehicles traveling in the street such as snow plows, street sweepers or any other motor vehicle. For this reason it is preferable that the
face plate 16 be designed with chamfered edges 42. Most particularly the firstlateral edge 38 and the secondlateral edge 40 will each be chamfered from therear surface 24 inwardly toward thefront surface 26 such that damage or breakage to the ends, edges or comers of theface plate 16 by snow plows and the like will be minimized. - In a preferred configuration of the present invention a
protective rim 58 is positioned on thefront surface 26 of eachface plate 16. Protective rim 58 will extend outwardly away from theface plate 16 at least partially around each of thesecurement apertures 20 orslots 21 in such a manner as to protect thesecurement aperture 20 from damage from the above described street vehicles. Preferably this protective rim will include abevel 60 extending therearound which will tend to deflect any damaging item away from the engagement means such as a bolt or the like which would be positioned within thesecurement slot 21 extending therethrough. As such, it can be appreciated that any damage to the engagement means 36 of the present invention could compromise the securement of theflow restricting member 10 with respect to thestreet storm drain 12. Thus, the inclusion of theprotective rims 58 and additionally thebevel portion 60 around the outer surface of theprotective rim 58 will give significant protection to a threadedstud member 48 such as a bolt or the like which would be positioned extending through thesecurement slots 21 into engagement with the mountingbrackets 30 behind therear surface 24 of theface plate 16. By protecting the means of engagement of theflow restricting member 10 with respect to thedrain 12, firm securement in position will be maintained despite contact of snow plows or street sweepers with respect to theflow restricting member 10. - It is also important that no breakage of the
face plate 16 occur in any manner which might tend to increase the size of theflow apertures 18. For this purpose a flow aperture taperededge 70 will be included. Each of theflow apertures 18 can be defined as allowing flow between a firstflow aperture opening 66 defined in thefront surface 26 of theface plate 16 and a secondflow aperture opening 68 defined in therear surface 24 of theface plate 16. By including a flow aperture taperededge 70 therebetween the actual size of thefirst flow aperture 66 in thefront surface 26 will be somewhat larger than that of the secondflow aperture opening 68 in therear surface 24 of theface plate 16. This will be due primarily to the taper of theflow aperture 18 as it extends from thefront surface 26 to therear surface 24. This angled, chamfered or bevel will urge deflection of hard metal objects such as a snow plow or street sweeper equipment away from theflow restricting member 10 of the present invention to minimize damagingn thereof. - In an alternative configuration of the present invention a plurality of rear
surface stiffening members 74 can be positioned on therear surface 24 offace plate 16 for maintaining planar rigidity of the face plate. The rear surface stiffening ribs ormembers 74 can be of various configurations.Tabs 75 can also be provided on therear surface 24 of theface plate 16 to provide correct spacing between the face plate and the storm grate as needed. - The present invention can be provided in two basic embodiments one of which includes the
face plate 16 apparatus as the fullflow restricting member 10. The other includes not only theface plate 16 but also anupper plate member 72. Theupper plate member 72 will extend rearwardly from the topmost edge of theface plate 16 at an angle of approximately 90 to 120 degrees with respect thereto. In this manner theupper plate member 72 and theface plate 16 will define a full shroud device enclosing not only the curb inlet opening 14 of thestreet storm drain 12 but also the upper surface of thedrain 12 itself. Such an embodiment is shown inFIG. 3 herein. - The present invention provides a simple and inexpensive and easy to install and reliable debris filtering device which can be used for maximum two inch vertical dimension opening size. It can be installed without any need to remove or replace the existing street storm drain apparatus. In a preferred configuration the securement bolts will comprise tamper resistant bolts thereby further preventing loosening of the attachment between the
flow restricting member 10 and thedrain 12. Installation and maintenance of the storm water drain cover can be achieved without requiring any removal of any portion of thestorm drain 12 itself. Also the apparatus can include slots and mounting locations for placing promotional literature, advertising literature or identification information such as registration, municipality, number or bar code information. - While particular embodiments of this invention have been shown in the drawings and described above, it will be apparent, that many changes may be made in the form, arrangement and positioning of the various elements of the combination. In consideration thereof it should be understood that preferred embodiments of this invention disclosed herein are intended to be illustrative only and not intended to limit the scope of the invention.
Claims (27)
Priority Applications (1)
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US11/156,844 US7160048B1 (en) | 2005-06-20 | 2005-06-20 | Flow restricting member |
Applications Claiming Priority (1)
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US11/156,844 US7160048B1 (en) | 2005-06-20 | 2005-06-20 | Flow restricting member |
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US20060285925A1 true US20060285925A1 (en) | 2006-12-21 |
US7160048B1 US7160048B1 (en) | 2007-01-09 |
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US11/156,844 Active US7160048B1 (en) | 2005-06-20 | 2005-06-20 | Flow restricting member |
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US20080240861A1 (en) * | 2007-02-01 | 2008-10-02 | Amanda Phillips | Prefabricated levee apparatus and system |
US20120103883A1 (en) * | 2010-11-03 | 2012-05-03 | Denis Friezner | Fluid flow control and debris intercepting apparatus |
US8535523B2 (en) * | 2010-11-03 | 2013-09-17 | Denis Friezner | Fluid flow control and debris intercepting apparatus |
US9752315B1 (en) * | 2013-06-12 | 2017-09-05 | Paul E. Phillips | Guard apparatus for a curb inlet |
US20220167609A1 (en) * | 2020-12-02 | 2022-06-02 | Denis Friezner | Vector Control Screen For Stormwater Treatment Systems |
US11877573B2 (en) * | 2020-12-02 | 2024-01-23 | Denis Friezner | Vector control screen for stormwater treatment systems |
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