Patent US3907337A successfully refreshed from Google Patents.
US3907337A
Expired / Lapsed
US
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Angularly adjustable duct connector
Assignee: Meggitt Simi Valley Inc
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Filing: 1973-06-21
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Granted: 1975-09-23
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Expires: 1993-06-21
Abstract
Abstract An angularly adjustable duct connector, intended primarily for high temperature air ducting systems for aircraft, having an internally disposed universal joint for mechanical connection between two ducts and an enclosing seal connection which permits angular displacement of the ducts and the seal connection being spaced therefrom to reduce exposure to heated air passing through the ducts.
Inventors
- 👤 Stephen N Affa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:11
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L27/00; F16L27/08; F16L27/0849; F16L27/0857
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
214 words
An angularly adjustable connector for joining a pair of hotgas transmitting ducts, said connector comprising: a. a pair of thin wall tubular elements adapted to form confronting ends of a pair of ducts, each tubular element having radially enlarged end portions of spherical contour including a pair of diametrically disposed axial extensions arranged in axially overlapping and circumferentially displaced relation to the extensions of the other tubular elements; b. a ring disposed within the extensions; c. pivot means connecting the ring and each of said extensions whereby the tubular elements are capable of universal angular displacement relative to each other; d. a pair of thin wall spacer ring elements, each including an inwardly directed flange secured to a corresponding tubular element and a cylindrical portion concentric with and spaced from the tubular element to minimize heat transfer to the cylindrical portion; e. A thin wall connecting member axially movable into confronting relation to the cylindrical portions of both the spacer rings; f. seal rings interposed between the cylindrical portions of the spacer rings and the connecting member and supporting said connecting member for axial sliding along said spacer ring elements; g. and removable retainer means removably mounted on said connector and limiting axial movement of the connecting member relative to said spacer ring elements.
Claim 2
Dependent Claim
214 words
An angularly adjustable connector for joining a pair of hotgas transmitting ducts, said connector comprising: a. a pair of thin wall tubular elements adapted to form confronting ends of a pair of ducts, each tubular element having radially enlarged end portions of spherical contour including a pair of diametrically disposed axial extensions arranged in axially overlapping and circumferentially displaced relation to the extensions of the other tubular elements; b. a ring disposed within the extensions; c. pivot means connecting the ring and each of said extensions whereby the tubular elements are capable of universal angular displacement relative to each other; d. a pair of thin wall spacer ring elements, each including an inwardly directed flange secured to a corresponding tubular element and a cylindrical portion concentric with and spaced from the tubular element to minimize heat transfer to the cylindrical portion; e. A thin wall connecting member axially movable into confronting relation to the cylindrical portions of both the spacer rings; f. seal rings interposed between the cylindrical portions of the spacer rings and the connecting member and supporting said connecting member for axial sliding along said spacer ring elements; g. and removable retainer means removably mounted on said connector and limiting axial movement of the connecting member relative to said spacer ring elements.
Claim 3
Dependent Claim
50 words
A connector as defined in claim 1, wherein: a. the connecting member includes internally directed channel flanges at its extremities to receive the seal rings; b. and the retainer means includes a bracket secured to one of the tubular elements and a clip fitted over one of the channel flanges.
Claim 4
Dependent Claim
44 words
A connector as defined in claim 1, wherein: a. the removable retainer means includes a separable band encompassing the connecting member and clip elements radially overhanging the axial ends of the connecting member outwardly of said inwardly directed flanges of said spacer ring elements.
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) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |