US3084957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows conduit coupling with strain relief cable
Assignee: —
•
Filing: —
•
Granted: 1963-04-09
•
Expires: 1980-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:30
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/107; F16L27/11; F16L27/111; F16L51/00; F16L51/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A DUCT COUPLING COMPRISING A PAIR OF DUCT SECTIONS NORMALLY IN AXIAL ALIGNMENT, A FLEXIBLE BELLOWS DISPOSED BETWEEN THE DUCT SECTIONS AND SEALED THERETO, A SQUARE BASE PLATE ROTATABLY MOUNTED ON EACH OF THE DUCT SECTIONS AND NORMALLY IN A POSITION WHEREIN AN EDGE OF ONE BASE PLATE IS PARALLEL TO A CORRESPONDING EDGE OF THE OTHER BASE PLATE, PULLEYS MOUNTED ON EACH OF THE BASE PLATES, ONE AT EACH CORNER THEREOF, THE PULLEYS ON ONE PLATE BEING MOUNTED ON PARALLEL AXES, THE PULLEYS ON THE OTHER PLATE BEING ALSO MOUNTED ON PARALLEL AXES BUT NORMALLY AT RIGHT ANGLES TO THE MOUNTING AXES OF THE PULLEYS ON SAID ONE PLATE, AND A TENSIONED ENDLESS CABLE TRAINED OVER THE PULLEYS TO CONNECT THE PAIR OF BASE PLATES, SAID CABLE BEING ADAPTED TO TRAVEL OVER SAID PULLEYS TO ADJUST ITSELF TO ROTATIONAL MOVEMENT OF SAID PLATE AS WELL AS TO ANGULAR DISPLACEMENT OF THE PLANES OF SAID PLATES, TO RELIEVE THE BELLOWS OF SUBSTANTIAL STRAIN DURING FLEXING AND TO LIMIT EXPANSION THEREOF.
Claim 2
Dependent Claim
170 words
A DUCT COUPLING COMPRISING A PAIR OF DUCT SECTIONS NORMALLY IN AXIAL ALIGNMENT, A FLEXIBLE BELLOWS DISPOSED BETWEEN THE DUCT SECTIONS AND SEALED THERETO, A SQUARE BASE PLATE ROTATABLY MOUNTED ON EACH OF THE DUCT SECTIONS AND NORMALLY IN A POSITION WHEREIN AN EDGE OF ONE BASE PLATE IS PARALLEL TO A CORRESPONDING EDGE OF THE OTHER BASE PLATE, PULLEYS MOUNTED ON EACH OF THE BASE PLATES, ONE AT EACH CORNER THEREOF, THE PULLEYS ON ONE PLATE BEING MOUNTED ON PARALLEL AXES, THE PULLEYS ON THE OTHER PLATE BEING ALSO MOUNTED ON PARALLEL AXES BUT NORMALLY AT RIGHT ANGLES TO THE MOUNTING AXES OF THE PULLEYS ON SAID ONE PLATE, AND A TENSIONED ENDLESS CABLE TRAINED OVER THE PULLEYS TO CONNECT THE PAIR OF BASE PLATES, SAID CABLE BEING ADAPTED TO TRAVEL OVER SAID PULLEYS TO ADJUST ITSELF TO ROTATIONAL MOVEMENT OF SAID PLATE AS WELL AS TO ANGULAR DISPLACEMENT OF THE PLANES OF SAID PLATES, TO RELIEVE THE BELLOWS OF SUBSTANTIAL STRAIN DURING FLEXING AND TO LIMIT EXPANSION THEREOF.
References Cited (Backward Citations)
GB695015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |