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US 2004/0055231 A1Published application
Subgrade vault
AssigneeCarson Industries LLC
InventorsNguyen Thai Dang, Reilly Flynn
Life of this patent
Estimating the term…
Abstract
A subgrade vault to provide an enclosed housing for utility connections. The housing is made of a moldable material with a reinforcing skirt at one end and a seat in the other. A lid is received in the seat to close its upper end. A clip is optionally provided for fastening the lid to the housing body that can be clipped on the body and engaged by a fastener carried by the lid.
Claims18
A subgrade vault for providing an enclosed region to house utility connections, said vault comprising:
- a body having a peripheral wall with an upper end and a lower end, an upturned skirt around the lower end extending around peripherally around the body;
- a plurality of buttresses interconnecting the peripheral wall to the skirt;
- an upwardly-facing rim extending around the upper end;
- a seat in said region depending from said rim, said seat comprising a re-entrant wall from said rim and an inwardly-extending flange, and a plurality of buttresses interconnecting said re-entrant wall and the inside of said peripheral wall;
- and
- a lid for closing said upper end, said lid comprising a top plate with an upper surface, and a plug depending from the lower surface of said top plate whereby to form an overhanging shoulder;
- said lid and body being formed of a moldable organic plastic material, said lid fitting in said seat with its shoulder bearing on the rim.
4 more elements
A clip for engagement to a lip and to engage with a threaded fastener, said clip comprises:
- a metal strip bent to form a first arm and a second arm, joined by a bight to form a U-shape with said arms confronting one another;
- a tubular neck rising from said first arm opening into the spacing between joint arms and an internal thread on the wall of the neck;
- and
- a retainer punched from the material of the second arm, angularly-extending into said space between the arms and extending toward said bight, said retainer having a hole therethrough aligned with said neck to pass a fastener to be threaded into said neck.
1 more element
Dependencies are inferred from the claim text.