US20090321442A1 - Utility cover having a bowl cavity and a removable lid - Google Patents
Utility cover having a bowl cavity and a removable lid Download PDFInfo
- Publication number
- US20090321442A1 US20090321442A1 US12/215,841 US21584108A US2009321442A1 US 20090321442 A1 US20090321442 A1 US 20090321442A1 US 21584108 A US21584108 A US 21584108A US 2009321442 A1 US2009321442 A1 US 2009321442A1
- Authority
- US
- United States
- Prior art keywords
- bowl
- sleeve
- lid
- cover
- support
- 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.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Abstract
There is provided a utility access opening cover. The cover includes a bowl element having bowl upper and lower faces and a bowl wall disposed about a bowl axis. The bowl wall extends between the bowl upper and lower faces. The bowl wall defining a bowl cavity configured to receive a filling material. A support sleeve is disposable within the utility access opening. The support sleeve defines a sleeve axis and includes a sleeve inner wall and sleeve upper and lower faces. The sleeve inner wall extends between the sleeve upper and lower faces to define a sleeve opening. The sleeve inner wall is sized and configured to engage with the bowl wall with the bowl element being received within the support sleeve opening to align the bowl axis with the sleeve axis. A lid is disposable in contact with the bowl element to substantially cover the bowl cavity.
Description
- Not Applicable
- Not Applicable
- 1. Field of the Invention
- The present invention relates generally to utility covers being disposable within a fabricated surface, and more specifically to a utility cover having a bowl cavity and a removable lid.
- 2. Description of the Prior Art
- It is common for residential and commercial structures to include landscaping to enhance the structures' aesthetic appeal. The landscaping may include both softscape (e.g. flowers, plants, etc.) and hardscape (e.g. driveways, decks, pool areas, or the like). The hardscape portion of the landscape is typically formed of a fabricated material. Exemplary fabricated materials include concrete, tile, exposed aggregate, or brick. The hardscaping and softscaping portions collectively form the overall landscaping design which typically enhances the appearance of the property.
- Landscaping designs commonly incorporate elements requiring utility connections. For example, the property may include a pool, spa, or other water feature requiring plumbing for normal operation. The landscape design may further include landscape lighting requiring electricity. Therefore, utility conduits are typically routed throughout the property to provide the utilities needed by the elements incorporated in the landscape design.
- Routine maintenance and operation of one or more landscaping elements may require access to the utilities serving such elements. For instance, a pool typically includes a skimmer incorporated into the pool's plumbing system. As the water in the pool circulates through the plumbing system, the skimmer catches debris floating within the water. Therefore, after a period of time, the filter in the skimmer is generally removed to clean the debris from the filter.
- Consequently, many landscape designs incorporate one or more utility access openings into the hardscaping portions of the overall landscape design to enable easy access to the utilities. With regard to the pool skimmer discussed above, a utility access opening is typically formed in the pool deck near the pool. Many pool decks are formed out of a concrete material which is poured around a frame to form the utility access opening.
- A lid may be disposed over the opening to cover the opening when access to the utility is not required. Oftentimes, the lid is formed of a plastic material which tends to be aesthetically unpleasing and structurally deficient. In particular, the lids tend to be weak and prone to cracking, especially after prolonged exposure to the sun. Consequently, the lid may not be capable of supporting loads typically applied to the lid, such as the weight of someone walking over the lid. Therefore, the lid may create a safety hazard. The prior art covers tend to be formed of a weak, flimsy material which may not be strong enough to support the weight of someone walking over the lid. Furthermore, prolonged exposure to the sun tends to further weaken the lid.
- As is apparent from the foregoing, there is a need in the art for an improved utility opening cover. The present invention addresses this particular need, as will be discussed in more detail below.
- There is provided a cover for a utility access opening extending through a fabricated layer having an exposed surface. The cover includes a bowl element defining a bowl axis. The bowl element includes a bowl upper face, a bowl lower face, and a bowl wall disposed about the bowl axis. The bowl wall extends between the bowl upper face and the bowl lower face. The bowl wall defines a bowl cavity configured to receive a filling material. The cover further includes a support sleeve disposable within the utility access opening. The support sleeve defines a sleeve axis and includes a sleeve inner wall, a sleeve upper face and a sleeve lower face. The sleeve inner wall extends between the sleeve upper face and the sleeve lower face to define a sleeve opening. The sleeve inner wall is sized and configured to engage with the bowl wall with the bowl element being received within the support sleeve opening to align the bowl axis with the sleeve axis. The cover additionally includes a lid disposable in contact with the bowl element. The lid is sized to substantially cover the bowl cavity. The lid may include a lid upper surface that is substantially flush with the exposed surface when the lid is disposed in contact with the bowl element.
- According to various aspects of the present invention, the cover may be employed to provide an aesthetically pleasing alternative to conventional utility covers. More specifically, a filling material may be disposed within the bowl cavity to enhance the appearance of the utility cover. For instance, the same material used to construct the fabricated surface may be used as the filling material. In this manner, the appearance of the utility cover may compliment the appearance of the fabricated layer. However, the lid may be disposed over the bowl cavity until the filling material is disposed therein. In this regard, the lid may provide a smoother transition between the fabricated layer and the cover until the bowl cavity is filled with the filling material.
- If the bowl cavity is left uncovered, one ore more construction codes may be violated. Therefore, the lid may be placed over the bowl element to comply with such construction codes until the filling material is disposed within the bowl cavity. Furthermore, in some instance, it may be desirable to keep the lid disposed over the bowl element, rather than filling the bowl cavity with a filling material. Therefore, the lid provides the user with flexibility to fill the bowl cavity when desired.
- The cover may include a support stud extending from the bowl lower face. The support stud may be sized and configured to support the lid when the lid is disposed on the bowl element. One or more support studs may extend from the bowl lower face to distribute the load applied to the lid, such as a person walking over the lid.
- The present invention is best understood by reference to the following detailed description when read in conjunction with the accompanying drawings.
- These and other features and advantages of the various embodiments disclosed herein will be better understood with respect to the following description and drawings, in which like numbers refer to like parts throughout, and in which:
-
FIG. 1 is an exploded upper perspective view of a utility cover including a support sleeve, a bowl element and a lid; -
FIG. 2 is an exploded lower perspective view of the utility cover illustrated inFIG. 1 ; -
FIG. 3 is an upper perspective view of the utility cover illustrated inFIGS. 1-2 , the utility cover being disposed within a utility access opening extending through a fabricated layer having an exposed surface; -
FIG. 4 is an exploded upper perspective view of the utility cover illustrated inFIG. 3 ; -
FIG. 5 is an upper perspective view of the utility cover, wherein the lid is removed and a filling material is disposed within the bowl element; and -
FIG. 6 is an exploded upper perspective view of the utility cover illustrated inFIG. 5 . - The detailed description set forth below in connection with the appended drawings is intended as a description of the presently preferred embodiment of the invention, and is not intended to represent the only form in which the present invention may be constructed or utilized. The description sets forth the functions of the invention in connection with the illustrated embodiment. It is to be understood, however, that the same or equivalent functions may be accomplished by different embodiments that are also intended to be encompassed within the scope of the invention. It is further understood that the use of relational terms such as first and second, top and bottom, and the like are used solely to distinguish one from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
- Referring now to the drawings wherein the showings are for purposes of illustrating a preferred embodiment of the present invention only, and not for purposes of limiting the same,
FIGS. 1-6 illustrate acover 10 constructed in accordance with an embodiment of the present invention. In particular,FIG. 1 is an exploded upper perspective view of thecover 10, whileFIG. 2 is an exploded lower perspective view of thecover 10. Thecover 10 is sized and configured to be disposed within a utility access opening 12 formed within a fabricatedlayer 14 defining an exposedsurface 16. The exposedsurface 16 is the exposed portion of the fabricatedlayer 14. In the case of a pool deck, the exposedsurface 16 is the uppermost portion which a person walks on. The fabricatedlayer 14 may be formed from a wide range of materials, such as concrete, aggregate, stone, brick, or other materials commonly used in the art. - The utility access opening 12 may extend through the fabricated
layer 14 to provide access to utilities such as plumbing, electricity, or pool equipment. For instance, the utility access opening 12 may provide access to a pool skimmer to allow for routine cleaning and maintenance thereof. Thecover 10 may be disposed within the utility access opening 12 to cover theopening 12 when access is not required. - According to various aspects of the present invention, the
cover 10 includes asupport sleeve 40 that is disposable within theutility access opening 12. It is understood that thesupport sleeve 40 may not extend through the entireutility access opening 12. In other words, thesupport sleeve 40 may only partially extend through theopening 12. In some cases, the utility access opening 12 may be formed around thesupport sleeve 40. In this regard, the fabricatedsurface 14 is formed of a pourable material that is poured in the desired location and is allowed to cure or harden. In this instance, the fabricatedsurface 14 may be poured around thesupport sleeve 40 to define theutility access opening 12. However, it is also understood that thesupport sleeve 40 may be disposed within a preformedutility access opening 12. - The
support sleeve 40 is disposed about asleeve axis 46. In the particular embodiment shown inFIGS. 1-6 , thesupport sleeve 40 is substantially circular; however, it is understood that thesupport sleeve 40 may define a non circular configuration. Thesupport sleeve 40 includes a sleeveinner wall 48 extending between a sleeveupper face 50 and a sleevelower face 52 to define asleeve opening 54. Thesleeve 40 also defines a sleeveouter wall 56 that is disposable in contact with the fabricatedlayer 14. The distance between the sleeveupper face 50 and the sleevelower face 52 defines a sleeve height. In one embodiment, the sleeve height may be equal to the thickness of the fabricatedlayer 14. In this manner, thesleeve 40 may fully extend through theopening 12. In another embodiment, the thickness of the fabricatedlayer 14 is greater than the sleeve height. In this case, thesleeve 40 only partially extends through the fabricatedlayer 14. - In one embodiment, the
support sleeve 40 defines a sleeveprimary collar 42 and a sleevesecondary collar 44. The sleeveprimary collar 42 defines a primary diameter and the sleeve secondary collar defines a secondary diameter that is less than the primary diameter. Therefore, asupport ledge 58 extends between the sleeveprimary collar 42 and the sleevesecondary collar 44. Thesupport sleeve 40 is sized and configured to receive and support abowl element 18 as depicted inFIGS. 1 and 2 . According to one embodiment, thebowl element 18 may be placed on thesupport ledge 58 when thebowl element 18 is received by thesupport sleeve 40. - Although the foregoing describes a
support sleeve 40 having a primary and secondary collar, it is understood that other embodiments of thesupport sleeve 40 may define other shapes and configurations. For instance, thesupport sleeve 40 may have an inner diameter that tapers inwardly from the sleeveupper face 50 toward the sleevelower face 52. Thebowl element 18 may have a complementary configuration which allows thebowl element 18 to be received and supported by thesupport sleeve 40. - The
bowl element 18 is disposable within thesleeve opening 54 to substantially cover the same. Thebowl element 18 includes abowl wall 24 disposed about abowl axis 32. Thebowl wall 24 extends between a bowlupper face 20 and a bowllower face 22. It may be desirable for thebowl element 18 to define a size and shape that is complimentary to thesupport sleeve 40 to facilitate engagement between thebowl element 18 and thesupport sleeve 40, as well as to sufficiently cover theutility access opening 12. In the embodiment shown inFIGS. 1-6 , thebowl wall 24 is substantially circular in shape. However, it is understood that thebowl wall 24 may define other non circular shapes without departing from the spirit and scope of the present invention. - The
bowl wall 24 defines abowl cavity 30 configured to receive a filling material. The filling material may be the same material used to form the fabricatedlayer 14. In this manner, the appearance of thecover 10 may blend in with the appearance of the fabricatedlayer 14. Furthermore, when the selected material is identical to the material of the fabricatedlayer 14, the layer formed by the filling material and fabricatedlayer 14 will have compatible functional properties, such as respective coefficients of friction and coefficients of expansion. To this end, it may be desirable for the filling material to be identical to the material used to form the fabricatedlayer 14. While a homogenous material is shown inFIGS. 5-6 , it is to be understood that non-homogenous materials, such as stone and mortar, tile and grout, or other materials known by the art can also be placed within thebowl cavity 30. For more information about disposing a filling material within thebowl cavity 30, please refer to U.S. Pat. No. 6,393,771 entitled Cover for Closing Surface Disposed Utility Access Opening, the contents of which are expressly incorporated herein by reference. - The
bowl wall 24 defines a bowl wallinner face 28 and a bowl wallouter face 26. In the particular embodiment shown inFIGS. 1-6 , the sleeveinner wall 48 is sized and configured to engage with the bowl wallouter face 26. In this manner, thebowl element 18 is received within thesupport sleeve opening 54 to align thebowl axis 32 with thesleeve axis 46. In other words, thebowl element 18 is coaxially disposed with thesupport sleeve 40 when thebowl element 18 is received within and engaged with thesupport sleeve 40. - The
cover 10 further includes alid 60 disposable in contact with thebowl element 18 to substantially cover thebowl cavity 30. In one embodiment, when thelid 60 is disposed in contact with thebowl element 18, a lidupper surface 62 is substantially flush with the exposedsurface 16 of the fabricatedlayer 14 to provide a smooth transition between the exposedsurface 16 and the lidupper surface 62. In this regard, it is not required that the lidupper surface 62 form a fluid-tight seal with the exposedsurface 16. Rather, when thelid 60 is disposed in contact with thebowl element 18, the lidupper surface 62 and the exposedsurface 16 of the fabricatedlayer 14 are disposed in a substantially co-planar arrangement. - Although the
bowl cavity 30 is configured to receive a filling material, thelid 60 may be disposed in contact with thebowl element 18 to cover thebowl cavity 30 prior to disposal of the filling material therein. For instance, the filling material may not be available until after installation of thecover 10. Therefore, thelid 60 may be temporarily disposed over thebowl cavity 30 to cover thebowl cavity 30 until it is filled with the filling material. Furthermore, leaving thebowl cavity 30 unfilled or uncovered may violate certain construction codes. Therefore, thelid 60 may be disposed over thebowl cavity 30 to bring thecover 10 into compliance with such construction codes. - Moreover, in certain circumstances it may be desirable to leave the
bowl cavity 30 unfilled. For instance, additional time and expense may be saved by foregoing disposal of the filling material within thebowl cavity 30. Therefore, thelid 60 may be placed over thebowl element 18 to cover thebowl cavity 30 on a more permanent basis. However, if at any point a user decides to fill thebowl cavity 30 with the filling material, thelid 60 may simply be removed from thebowl element 18 to allow the filling material to be disposed therein. - The
lid 60 may include a plurality oflid ribs 76 extending from the lidupper surface 62. Thelid ribs 76 collectively define alid contact surface 74 that is disposable in contact with thebowl element 18 when thelid 60 is disposed over thebowl cavity 30. Thebowl element 18 may include one ormore support studs 72 for supporting thelid 60. In particular, thelid contact surface 74 may be disposed in contact with thesupport stud 72 when thelid 60 is disposed over thebowl cavity 30. Thesupport studs 72 may be disposed in spaced relation to each other to distribute the load associated with supporting thelid 60. For instance, it is contemplated that thelid 60 may be required to support a load applied thereto, such as a person walking over thelid 60. Therefore, thesupport studs 72 distribute the load applied to thelid 60. In the particular embodiment depicted inFIG. 1 , thebowl element 18 includes foursupport studs 72 near the center of thebowl element 18 andseveral support studs 72 near the periphery of thebowl element 18. - The
lid 60 may include alid collar 64 extending from the lidupper surface 62 adjacent to the periphery of thelid 60. The bowl wallinner face 28 may be circumscribable about thelid collar 64 when thelid 60 is disposable over thebowl cavity 30. In this manner, thelid collar 64 may be received within thebowl element 18 when thelid 60 is properly placed over thebowl element 18. - In order to access utilities within the utility access opening 12, the
bowl element 18 may be removed from thesupport sleeve 40 to uncover theutility access opening 12. To this end, thebowl element 18 may include structural attributes configured to facilitate removal of thebowl element 18 from thesleeve 40. Likewise, thelid 60 may also include structural attributes configured to facilitate removal of thelid 60 from thebowl element 18. - With regard to the
bowl element 18, one embodiment includes one or morebowl gripping members 66 configured to enable a user to lift thebowl element 18 from engagement with thesupport sleeve 40. As shown inFIG. 1 , thebowl element 18 includes a pair of opposingbowl gripping members 66. Eachbowl gripping member 66 defines a gripping member opening 68 through which a tool or a user's finger may be inserted to pull thebowl element 18 out of the utility access opening 12 to access utilities therein. As shown, thebowl gripping member 66 extends from the bowlupper face 20 to the bowllower face 22. Thebowl gripping members 66 depicted inFIG. 1 are disposed adjacent thebowl wall 24; however, it is understood that thebowl gripping members 66 may be disposed in spaced relation to thebowl wall 24. - The
particular lid 60 depicted inFIG. 1 includes a pair of opposinglid cutouts 70 that are disposed about thebowl gripping member 66 when thelid 60 is disposed in contact with thebowl element 18. In this manner, the shape of thelid cutout 70 is complimentary to the shape of thebowl gripping member 66. Thelid cutout 70 extends from the lidupper surface 62 to thelid contact surface 74. - Although the
lid 60 may simply be placed over thebowl element 60, it may be desirable to secure thelid 60 thereto to mitigate unwanted removal of thelid 60 from thebowl element 18. Therefore, a fastener may be used to connect thebowl element 18 to thelid 60. Thebowl element 18 andlid 60 may be configured to engagement via the fastener. - According to one embodiment, the bowl
lower face 22 includes abowl recess 78 defining abowl recess opening 80. A fastener having a head portion and a shank portion may be disposed through the bowl recess opening 80 for engagement with thelid 60. The head portion of the fastener may define an outer diameter that is larger than the bowl recess opening 80 while the shank portion of the fastener may define a diameter that is less than the bowl recess opening 80 to enable passage therethrough. - The
lid 60 may include alid connection element 82 that is configured to engage with the fastener to secure thelid 60 to thebowl element 18. In one particular implementation, thelid connection element 82 may be internally threaded to engage with a screw; however other fasteners known by those skilled in the art may also be used to connect thebowl element 18 to thelid 60. - The above description is given by way of example, and not limitation. Given the above disclosure, one skilled in the art could devise variations that are within the scope and spirit of the invention disclosed herein. Further, the various features of the embodiments disclosed herein can be used alone, or in varying combinations with each other and are not intended to be limited to the specific combination described herein. Thus, the scope of the claims is not to be limited by the illustrated embodiments.
Claims (20)
1. A cover for a utility access opening extending through a fabricated layer having an exposed surface, the cover comprising:
a bowl element including a bowl upper face, a bowl lower face, and a bowl wall extending between the bowl upper face and the bowl lower face, the bowl element defining a bowl axis, the bowl wall being disposed about a bowl axis, the bowl wall defining a bowl cavity configured to receive a filling material;
a support sleeve defining a sleeve axis, the support sleeve having a sleeve inner wall, a sleeve upper face and a sleeve lower face, the sleeve inner wall extending between the sleeve upper face and the sleeve lower face to define a sleeve opening, the support sleeve being disposable within the utility access opening, the sleeve inner wall being sized and configured to engage with the bowl wall with the bowl element being received within the support sleeve opening to align the bowl axis with the sleeve axis; and
a lid being disposable in contact with the bowl element, the lid being sized to substantially cover the bowl cavity.
2. The cover as recited in claim 1 wherein the support sleeve includes a sleeve primary collar defining the sleeve upper face and a sleeve secondary collar defining the sleeve lower face.
3. The cover as recited in claim 2 wherein the sleeve primary collar defines a primary diameter and the sleeve secondary collar defines a secondary diameter being less than the primary diameter.
4. The cover as recited in claim 2 wherein the sleeve primary collar is circumscribable about the bowl wall when the bowl element is received within the support sleeve.
5. The cover as recited in claim 2 wherein the support sleeve further includes a support ledge extending between the sleeve primary collar and the sleeve secondary collar.
6. The cover as recited in claim 5 wherein the bowl element is disposable adjacent the support ledge.
7. The cover as recited in claim 1 further including a bowl gripping member connected to the bowl element for facilitating disengagement of the bowl element from the support sleeve.
8. The cover as recited in claim 7 wherein the lid includes a lid cutout extending through the lid upper surface, the lid being disposable on the bowl element to align the lid cutout with the bowl gripping member.
9. The cover as recited in claim 7 wherein the bowl gripping member defines a gripping member opening.
10. The cover as recited in claim 1 wherein the bowl element includes a support stud extending from the bowl lower face, the support stud being sized and configured to support the lid when the lid is disposed on the bowl element.
11. The cover as recited in claim 10 wherein the lid includes a lid contact surface being disposable in contact with the support stud.
12. The cover as recited in claim 10 further including a bowl gripping member connected to the bowl element for facilitating disengagement of the bowl element from the support sleeve.
13. The cover as recited in claim 12 wherein the lid includes a lid cutout extending through the lid upper surface, the lid being disposable on the bowl element to align the lid cutout with the bowl gripping member.
14. The cover as recited in claim 1 wherein the lid includes a lid upper surface being substantially flush with the exposed surface when the lid is disposed in contact with the bowl element.
15. The cover as recited in claim 1 wherein the lid includes a lid contact surface being disposable in contact with the bowl element.
16. A cover for a utility access opening extending through a fabricated layer having an exposed surface, the cover comprising:
a bowl element including a bowl upper face, a bowl lower face, and a bowl wall extending between the bowl upper face and the bowl lower face, the bowl element defining a bowl axis, the bowl wall being disposed about a bowl axis;
a support sleeve defining a sleeve axis, the support sleeve having a sleeve inner wall, a sleeve upper face and a sleeve lower face, the sleeve inner wall extending between the sleeve upper face and the sleeve lower face to define a sleeve opening, the support sleeve being disposable within the utility access opening, the sleeve inner wall being sized and configured to engage with the bowl wall with the bowl element being received within the support sleeve opening to align the bowl axis with the sleeve axis;
a lid being disposable in contact with the bowl element, the lid being sized to substantially cover the bowl cavity; and
a support stud extending from the bowl lower face, the support stud being sized and configured to support the lid when the lid is disposed on the bowl element.
17. The cover as recited in claim 16 wherein the lid includes a lid contact surface being disposable in contact with the support stud.
18. The cover as recited in claim 16 wherein the support sleeve includes a sleeve primary collar defining the sleeve upper face and a sleeve secondary collar defining the sleeve lower face.
19. The cover as recited in claim 18 wherein the sleeve primary collar defines a primary diameter and the sleeve secondary collar defines a secondary diameter being less than the primary diameter.
20. The cover as recited in claim 18 wherein the support sleeve further includes a support ledge extending between the sleeve primary collar and the sleeve secondary collar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/215,841 US20090321442A1 (en) | 2008-06-30 | 2008-06-30 | Utility cover having a bowl cavity and a removable lid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/215,841 US20090321442A1 (en) | 2008-06-30 | 2008-06-30 | Utility cover having a bowl cavity and a removable lid |
Publications (1)
Publication Number | Publication Date |
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US20090321442A1 true US20090321442A1 (en) | 2009-12-31 |
Family
ID=41446164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/215,841 Abandoned US20090321442A1 (en) | 2008-06-30 | 2008-06-30 | Utility cover having a bowl cavity and a removable lid |
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US (1) | US20090321442A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190048620A1 (en) * | 2017-02-14 | 2019-02-14 | Mueller International, Llc | Universal rail for utility pit |
US20190161936A1 (en) * | 2016-10-10 | 2019-05-30 | Trumbull Manufacturing, Inc. | Cover assembly |
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US5957618A (en) * | 1997-12-19 | 1999-09-28 | Camtek Construction Products Corporation | Manhole insert |
US5899024A (en) * | 1998-01-02 | 1999-05-04 | Stannard; Edward C. | Manhole adjustment ring |
US6035581A (en) * | 1998-09-09 | 2000-03-14 | Archie Mccoy (Hamilton) Ltd. | Road surface aperture frames and covers |
US6393771B1 (en) * | 2000-02-10 | 2002-05-28 | Michael Alan Stetson | Cover for closing surface disposed utility access opening |
USRE41863E1 (en) * | 2001-09-13 | 2010-10-26 | Upsite Technologies, Inc. | Toolless, self closing floor grommet closure for cable openings and the like in raised floors of data centers office buildings and other air conditioned structures |
US7122117B1 (en) * | 2003-10-31 | 2006-10-17 | The United States Of America As Represented By The Secretary Of The Navy | Self-cleaning composite deck drain |
US20080003056A1 (en) * | 2006-07-03 | 2008-01-03 | Neathery David L | Manhole insert & tether locking apparatus and method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20190161936A1 (en) * | 2016-10-10 | 2019-05-30 | Trumbull Manufacturing, Inc. | Cover assembly |
US20190048620A1 (en) * | 2017-02-14 | 2019-02-14 | Mueller International, Llc | Universal rail for utility pit |
US10385590B2 (en) * | 2017-02-14 | 2019-08-20 | Mueller International, Llc | Universal rail for utility pit |
US10494837B2 (en) * | 2017-02-14 | 2019-12-03 | Mueller International, Llc | Universal rail for utility pit |
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