Gasket seals for drain closures
US-11566407-B2 · Jan 31, 2023 · US
Gasket seals for drain closures
US12497768B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12497768-B2 |
| Application number | US-202418428681-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 31, 2024 |
| Priority date | Oct 26, 2017 |
| Publication date | Dec 16, 2025 |
| Grant date | Dec 16, 2025 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An exemplary embodiment, among others, of the present disclosure is directed to a drain closure assembly. A head of the drain closure assembly is fastened to a top end of a stem, wherein a bottom end of the stem is insertable in a drain shoe; and a gasket is fastened around an outer cylinder of the stem below the head. The gasket comprises an upper outer portion and a lower outer portion that each meet at a line that defines a hinge at which the gasket is able to bend, wherein the lower outer portion features a sloped surface from a bottom edge of a rim of the gasket to the line at a top of the lower outer portion, wherein the upper outer portion has a right circular cylinder shape.
First claim
Opening claim text (preview).
Therefore, at least the following is claimed: 1 . A drain closure assembly comprising: a head of the drain closure assembly that is fastened to a top end of a stem, wherein a bottom end of the stem is insertable in a drain shoe, wherein the stem comprises an outer cylinder adjacent to the top end of the stem that is positioned around an inner cylinder at a bottom end of the stem, wherein the top end of the stem comprises a threaded portion that couples with the head of the drain closure assembly, wherein a width of the outer cylinder is larger than a width of the top end of the stem, wherein a width of the outer cylinder is equivalent to the width of the threaded portion; and a gasket fastened around an outer cylinder of the stem below the head, wherein the gasket comprises an upper outer portion and a lower outer portion that each meet at a line that defines a hinge at which the gasket is able to bend, wherein the lower outer portion features a sloped surface from a bottom edge of a rim of the gasket to the line at a top of the lower outer portion, wherein the upper outer portion has a right circular cylinder shape, wherein a vertical positioning of the gasket does not overlap with a vertical positioning of the head of the drain closure assembly on the stem. 2 . The drain closure assembly of claim 1 , wherein the outer cylinder is movable in a vertical direction over the inner cylinder of the stem. 3 . The drain closure assembly of claim 2 , wherein the head of the drain closure assembly is adapted to slide downwardly until the gasket is flattened against a flange of the drain shoe. 4 . The drain closure assembly of claim 1 , wherein the gasket is an elastic resilient material. 5 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is a metallic material. 6 . The drain closure assembly of claim 1 , wherein a bottom end of the stem is threaded. 7 . The drain closure assembly of claim 1 , wherein a height of the drain closure assembly is 2.25 inches. 8 . The drain closure assembly of claim 1 , wherein a width of the head is 2.0 inches. 9 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is spring actuated to move to an open position from a closed position. 10 . The drain closure assembly of claim 1 , wherein the stem comprises a ⅜ inch threaded post. 11 . The drain closure assembly of claim 1 , wherein the stem comprises a 5/16 inch threaded post. 12 . The drain closure assembly of claim 1 , wherein the head of the drain closure assembly is a plastic material.
Assignees
Inventors
Classifications
Mounting of sealing rings · CPC title
characterised by their structure; Selection of materials · CPC title
- E03C1/2306Primary
the plug being operated by hand contact · CPC title
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Frequently asked questions
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- What does patent US12497768B2 cover?
- An exemplary embodiment, among others, of the present disclosure is directed to a drain closure assembly. A head of the drain closure assembly is fastened to a top end of a stem, wherein a bottom end of the stem is insertable in a drain shoe; and a gasket is fastened around an outer cylinder of the stem below the head. The gasket comprises an upper outer portion and a lower outer portion that e…
- Who is the assignee on this patent?
- Danco Inc
- What technology area does this patent fall under?
- Primary CPC classification E03C1/2306. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Dec 16 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).