US3645546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing ring
Assignee: SIER BATH GEAR CO Inc
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Filing: 1971-03-29
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Granted: 1972-02-29
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Expires: 1991-03-29
Abstract
Abstract A ring for effecting a fluidtight seal between the confronting peripheral faces of relatively universally movable sleeve and shaft comprises an annular elastomeric body member including an intermediate section having a length between said peripheral faces of said sleeve and shaft sufficiently greater than the distance between said peripheral faces to accommodate the maximum misalignment of said sleeve and shaft without breaking the seal. In a preferred embodiment, the intermediate section is defined by converging conical walls joined at a circular elbow permitting movement of the walls about the elbow. Flanges projecting from the free edges of the walls and self-hinged thereto have annular channels in which are nested rigid coplanar annuli. The inner flange tightly engages the shaft surface and the outer flange is restrained between shoulders on the sleeve.
Inventors
- 👤 Samuel Kaufman
- 👤 Donald E De Rocker
- 👤 Herbert A Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:47
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; F16J15/52
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
121 words
A sealing device comprising coaxial, substantially coplanar inner and outer rings formed of a relatively rigid material and of lesser and greater diameters, respectively, and a flexible body member interconnecting said rings to permit relative universal movement thereof and including an intermediate section between said rings having a length greater than the distance between said inner and outer rings during their sealing operation to accommodate maximum translational and angular misalignment of said inner and outer rings without causing the said rings to move from their sealing surfaces in response to strain on the intermediate section accommodating to the said misalignment, said intermediate section having a hinge portion said body member interconnected to said rings thereby being relatively translationally and angularly moveable.
Claim 2
Dependent Claim
121 words
A sealing device comprising coaxial, substantially coplanar inner and outer rings formed of a relatively rigid material and of lesser and greater diameters, respectively, and a flexible body member interconnecting said rings to permit relative universal movement thereof and including an intermediate section between said rings having a length greater than the distance between said inner and outer rings during their sealing operation to accommodate maximum translational and angular misalignment of said inner and outer rings without causing the said rings to move from their sealing surfaces in response to strain on the intermediate section accommodating to the said misalignment, said intermediate section having a hinge portion said body member interconnected to said rings thereby being relatively translationally and angularly moveable.
Claim 3
Dependent Claim
20 words
A sealing device of claim 1, wherein said intermediate section is serpentine in shape between said inner and outer rings.
Claim 4
Dependent Claim
55 words
A sealing device of claim 1, wherein said body member hingedly interconnects said rings and includes inner and outer peripheral sections secured to said inner and outer rings, respectively, and an intermediate section integrally formed with and hinged connected along its borders to said peripheral sections and having a further hinge intermediate of its borders.
Claim 5
Dependent Claim
37 words
The sealing device of claim 3, wherein said intermediate section comprises converging inner and outer walls joined at said further hinge, said further hinge being an elbow permitting the relative movement of said inner and outer walls.
Claim 6
Dependent Claim
18 words
The sealing device of claim 4, wherein the inner and outer walls of the intermediate section converge interiorly.
Claim 7
Dependent Claim
40 words
The sealing device of claim 2, wherein said peripheral sections comprise annular flanges directed inwardly and outwardly from the inner and outer edges, respectively, of said intermediate section and having annular channels formed therein, said rings nesting in said channels.
Claim 8
Dependent Claim
68 words
The sealing device of claim 3, wherein said intermediate section comprises converging inner and outer conical walls of substantially uniform thickness joined at an elbow permitting the swinging of said walls about said elbow, said peripheral sections comprising annular flanges directed inwardly and outwardly from the peripheral edges of said inner and outer walls, respectively, and having annular channels formed therein, said rings comprising nesting in said channels.
Claim 9
Dependent Claim
15 words
The sealing device of claim 7, wherein said outer ring comprises a flat faced annulus.
Claim 10
Dependent Claim
16 words
The sealing device of claim 1, wherein said body member is formed of an elastomeric material.
Claim 11
Dependent Claim
16 words
The sealing device of claim 1, wherein said body member intermediate section comprises an annular accordion-pleat.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |