# US 12,603,485 B2 · Underground enclosure assembly and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,485 B2 - Document ID: US12603485B2 - Status: Granted - Kind: B2 - Application number: 19/206,982 - Filed: 2025-05-13 - Published: 2025-08-28 - Granted: 2026-04-14 - Earliest claimed: 2023-02-17 - Assignees: Htz Solutions LLC - Applicants: Htz Solutions LLC - Inventors: Jared Warrick; Justin W. Hillukka; Daniel S. Jariabka - Web page: https://patentgrep.com/patent/US12603485B2 ## CPC - H02G 3/081: {Bases, casings or covers} - H02G 9/10: in cable chambers, e.g. in manhole or in handhole - E02D 29/12: Manhole shafts; Other inspection or access chambers; Accessories therefor (for underground tanks B65D90/10; for sewerage E03F5/02 {; climbing irons or ladders E06C9/00}) - G02B 6/501: {underground installation of connection boxes} - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES - E02D: FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B); UNDERGROUND OR UNDERWATER STRUCTURES {(tunnels, tunnelling, mining E21)} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An underground enclosure assembly configured for use with one or more of communications, power and/or irrigation system equipment. The underground enclosure assembly includes a shell assembly with at least two shell members coupled to each other via at least one snap projection and a lid removably coupled to the shell assembly via at least two bolt assemblies. The lid includes an underside with a plurality of ribs and a flange extending downwardly from a rim portion of the lid. ## Claims ### Claim 1 An underground enclosure assembly configured for use with one or more of communications, power and/or irrigation system equipment, the underground enclosure assembly comprising: a shell assembly with at least two shell members coupled to each other via at least one snap projection, at least one shell member having an outside surface and a brace assembly, the brace assembly including a support channel disposed on the outside surface; and a lid removably coupled to the shell assembly via at least two bolt assemblies, the lid including a flange extending downwardly from a rim portion of the lid and an underside with a plurality of ribs and a lid support, the lid support including a frame having a pair of side bars, a pair of end bars, and an internal bar disposed between the pair of side bars. ### Claim 2 (depends on 1) The underground enclosure assembly of claim 1, the brace assembly further including a support bar disposed on an inside surface of at least one shell member of the shell assembly, the support bar aligned with the support channel disposed on the outside surface of the at least one shell member of the shell assembly. ### Claim 3 (depends on 2) The underground enclosure assembly of claim 2, wherein the support channel includes a C-shape and at least one aperture for receiving a fastener configured to couple the support channel to the outside surface of the shell member, and the support bar includes at least one aperture for receiving a fastener configured to couple the support bar to the inside surface of the shell member. ### Claim 4 (depends on 2) The underground enclosure assembly of claim 2, wherein one of: (1) the support channel and the support bar comprise one or more of aluminum, basalt, fiberglass, high density polyethylene (HDPE), or other plastic material at least in part or in full; or (2) the entire underground enclosure assembly comprises one or more of aluminum, basalt, fiberglass, high density polyethylene (HDPE), or other plastic material. ### Claim 5 (depends on 1) The underground enclosure assembly of claim 1, wherein the internal bar is coupled to each end of the pair of ends, and each side bar of the pair of side bars includes an aperture for receiving a fastening member to couple the side bar to the lid. ### Claim 6 (depends on 1) The underground enclosure assembly of claim 1, wherein one of: (1) the pair of side bars, the pair of end bars, and the internal bar disposed between the pair of side bars each comprises one or more of aluminum, basalt, fiberglass, high density polyethylene (HDPE), or other plastic material at least in part or in full; or (2) the entire underground assembly comprises one or more of aluminum, basalt, fiberglass, high density polyethylene (HDPE), or other plastic material. ### Claim 7 (depends on 1) The underground enclosure assembly of claim 1, further comprising a skirt assembly removably coupled to a bottom portion of the underground enclosure assembly, the skirt assembly including a first skirt portion and a second skirt portion removably coupled to the first skirt portion, each of the first and second skirt portions including at least one brace disposed in a corner area of the first and second skirt portions, the at least one brace configured to couple the skirt assembly to the bottom portion of the underground assembly. ### Claim 8 An underground enclosure assembly configured for use with one or more of communications, power and/or irrigation system equipment, the underground enclosure assembly comprising: a clamshell assembly having a first clamshell member and a second clamshell member coupled to the first clamshell member, each of the first and second clamshell members having at least one side edge with a plurality of snap projections and a plurality of apertures, the plurality of snap projections of the first clamshell member snaps into the plurality of apertures of the second clamshell member to couple the first and second shell members to each other; and a lid removably coupled to the clamshell assembly via at least two bolt assemblies, the lid including an underside with a plurality of ribs and a lid support including a frame having a pair of side bars, a pair of end bars coupled to the pair of side bars, and an internal bar disposed between the pair of side bars and coupled to the pair of end bars, a flange extending downwardly from a rim portion of the lid and a groove configured to receive a mating lip of the first clamshell member and the second clamshell member. ### Claim 9 (depends on 8) The enclosure assembly of claim 8, wherein each of the first and second clamshell members includes an outside surface having a grid pattern with a plurality of ribs and a brace assembly, the brace assembly including a channel support disposed on the outside surface and a support bar disposed on an inside surface of the clamshell member and aligned with the channel support, and the first clamshell member is identical to the second clamshell member. ### Claim 10 (depends on 8) The enclosure assembly of claim 8, wherein the lid includes one of two apertures or four apertures disposed along a circumference of the lid at a distance equidistant from each other, each aperture adapted to receive a bolt of one of the at least two bolt assemblies to couple the lid to the shell assembly, wherein the at least two bolt assemblies include one of two bolt assemblies or four bolt assemblies. ### Claim 11 An underground enclosure assembly configured for use with one or more of communications, power and/or irrigation system equipment, the underground enclosure assembly comprising: a shell assembly with at least two shell members coupled to each other via at least one snap projection; and a lid removably coupled to the shell assembly via at least two bolt assemblies, the lid including an underside with a plurality of ribs and a flange extending downwardly from a rim portion of the lid, wherein the lid includes one or more of: (1) at least two apertures disposed along a circumference of the lid at a distance equidistant from each other, each aperture adapted to receive a bolt of one of the at least two bolt assemblies to couple the lid to the shell assembly, the lid further including a groove disposed on the underside of the lid, the groove configured to receive a mating lip of the two shell members: (2) an insert removably disposed on a top surface of the lid, the insert interchangeable to include various designs of inserts; and (3) a lid support disposed on the underside of the lid, the lid support including a frame having a pair of side bars, a pair of end bars coupled to the pair of side bars, and an internal support bar disposed between the pair of side bars and coupled to each end of the pair of end bars, and wherein the at least two bolt assemblies includes one of: (1) two bolt assemblies; or (2) four bolt assemblies, and wherein each of the at least two shell members of the shell assembly includes a retainer nut, each of which is configured to receive a bolt of one of the at least two bolt assemblies to secure the lid to the shell assembly and optionally at least one bolt assembly of the at least two bolt assemblies further includes a clip configured to be coupled to the retainer nut, the clip including an aperture and a gap, the aperture is configured to receive a portion of a base of the retainer nut when the at least one bolt assembly is in an assembled configuration, and the gap is configured to receive the cylindrical portion of the retainer nut in the assembled configuration. ### Claim 12 (depends on 11) The enclosure assembly of claim 11, wherein one or more of: (1) each shell member includes an inside wall having a top portion, a bottom portion, an upper shelf disposed near a top portion of the inside wall, and a lower shelf disposed near a bottom portion of the inside wall, each of the upper shelf and the lower shelf including an aperture; (2) the at least two shell members includes four shell members, each shell member coupled to another shell member via at least one snap projection; and (3) each shell member includes an outside wall and an inside wall, and at least one shell member includes a brace assembly, the brace assembly including a support channel disposed on the outside wall of the shell member and support bar disposed on the inside wall and aligned with a position of the brace disposed on the outside wall. ### Claim 13 (depends on 11) The enclosure assembly of claim 11, wherein one or more of: (1) the shell assembly is a clamshell assembly; (2) each shell member is a clamshell member having a C-shape; and (2) the at least two shell members including four shell members, the four shell members including a first shell member, a second shell member, a third shell member, and a fourth shell member, each of the first, second, third, and fourth shell members having a first side edge and a second side edge and coupled to each other, forming the shell assembly. ### Claim 14 (depends on 11) The enclosure assembly of claim 11, the at least two shell members include a first shell member and a second shell member, each of the first and second shell members having a first side edge and a second side edge, and the first side edge of the first shell member is coupled to the second side edge of the second shell member, and the first side end of the second shell member is coupled to the second side end of the first shell member, forming the shell assembly. ### Claim 15 (depends on 14) The enclosure assembly of claim 14, wherein each of the first and second side edges of each of the first and second shell members includes at least one snap projection, the at least one snap projection comprising a plurality of snap projections, and at least one aperture, the at least one aperture comprising a plurality of apertures, and the plurality of snap projections of each side edge snaps into the plurality of apertures of the other side edge to couple the first and second shell members to each other. ### Claim 16 (depends on 11) The enclosure assembly of claim 11, wherein the at least two shell members include a first shell member and a second shell member, and each shell member includes an outside surface having a grid pattern with a plurality of ribs. ### Claim 17 (depends on 16) The enclosure assembly of claim 16, wherein the plurality of ribs includes a plurality of vertical ribs and a plurality of horizontal ribs, at least one rib of the plurality of vertical ribs intersecting with at least one rib of the plurality of horizontal ribs. ### Claim 18 (depends on 11) The enclosure assembly of claim 11, wherein the at least two shell members include a first shell member and a second shell member, the first shell member is identical to the second shell member. ### Claim 19 (depends on 11) The enclosure assembly of claim 11, wherein each shell member of the at least two shell members includes a top surface on which the rim portion of the lid is disposed, each top surface including a mating lip configured to receive a groove of the lid, and a bottom surface, each bottom surface including a mating lip configured to receive the groove of the lid when the two shell members are reversed and the bottom surface receives the lid. ### Claim 20 (depends on 11) The enclosure assembly of claim 11, wherein each shell member of the shell assembly and the lid comprises high-density polyethylene (HDPE).