US4288106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable swivel for one or more conduits
Assignee: Single Buoy Moorings Inc
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Filing: 1979-12-20
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Granted: 1981-09-08
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Expires: 1999-12-20
Abstract
Abstract The invention relates to a rotatable swivel for one or more conduits said swivel comprising a plurality of annual chambers (4) formed by identical inner and outer wall portions (3 and 2 respectively), said wall portions (3,2) being rotatably supported with respect to each other by means of inner and outer bearing race ways (7 and 10 respectively) which are connected to an end face of the corresponding inner and outer wall portions (3,2). The outer wall portions (2) may be interconnected by means of bolts (15) and the inner wall portions (3) by means of cams (19) engaging into recesses (17, 18) or a ring (16) located at the level of the bearings (6) present between adjacent chambers (4).
Inventors
- 👤 Jan A. Foolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
F; F16; F16L; F16L39/00; F16L39/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
104 words
In a rotatable swivel for conduits comprising annular chambers each of which includes a fixed wall portion and a wall portion rotatably mounted with respect thereto, said wall portions being supported on each other by means of radially and axially operative bearings and being sealed with respect to each other, each wall portion having inlet and outlet line connections; the improvement in which all chambers are the same in such a manner that all inner wall portions (3) are identical and all outer wall portions (2) are identical, said inner wall portions (3) surrounding a central aperture through which said connections (11, 13) run.
Claim 2
Dependent Claim
104 words
In a rotatable swivel for conduits comprising annular chambers each of which includes a fixed wall portion and a wall portion rotatably mounted with respect thereto, said wall portions being supported on each other by means of radially and axially operative bearings and being sealed with respect to each other, each wall portion having inlet and outlet line connections; the improvement in which all chambers are the same in such a manner that all inner wall portions (3) are identical and all outer wall portions (2) are identical, said inner wall portions (3) surrounding a central aperture through which said connections (11, 13) run.
Claim 3
Dependent Claim
21 words
A rotatable swivel as claimed in claim 1, in which said outer wall portions are all fixedly joined to each other.
Claim 4
Dependent Claim
21 words
A rotatable swivel as claimed in claim 1, in which all said inner wall portions are fixedly joined to each other.
Claim 5
Dependent Claim
27 words
A rotatable swivel as claimed in claim 1, in which the inner wall portions are coupled to each other by means of lugs in the circumferential direction.
Claim 6
Dependent Claim
22 words
A rotatable swivel as claimed in claim 1, said bearings including raceway rings connected to at least one corresponding said wall portion.
Claim 7
Dependent Claim
31 words
A rotatable swivel as claimed in claim 1, and a ring within said bearings, said ring being secured in the circumferential direction to said inner wall portions by lugs and recesses.
Claim 8
Dependent Claim
19 words
A rotatable swivel as claimed in claim 1, in which each wall portion defines more than one said chamber.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-07 | 1985-03-09 | 1985-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-07 | 1989-03-09 | 1989-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-07 | 1993-03-09 | 1993-09-08 | $7700.00 | Window Closed / Lapsed |