Patent US3352174A successfully refreshed from Google Patents.
US3352174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal mountings or connections
Assignee: Individual
•
Filing: 1965-06-03
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Granted: 1967-11-14
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Expires: 1985-06-03
Abstract
No abstract record available.
Inventors
- 👤 West Ronald Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:23
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/02004; F16C; F16C11/00; F16C11/04; F16J; F16J15/00; F16J15/50; F16J15/52; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/21; Y10T74/219
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
PIVOTAL CONNECTING MEANS FOR CONNECTING TWO UNITS TOGETHER FOR RELATIVE ANGULAR MOVEMENT, COMPRISING A HOUSING FOR ATTACHMENT TO ONE OF THE TWO UNITS, GUIDE MEANS IN THE HOUSING, A CIRCULARLY CURVED RIGID RAIL FOR ATTACHMENT TO THE OTHER OF THE TWO UNITS, THE RAIL EXTENDING THROUGH THE HOUSING AND HAVING CONCAVE AND CONVEX SURFACES WHICH BEAR FIRMLY OUTWARDLY AND INWARDLY UPON THE GUIDE MEANS IN THE HOUSING, THE RAIL AND THE HOUSING BEING MOVABLE RELATIVE TO ANOTHER AND THE GUIDE MEANS CONSTRAINING THAT RELATIVE MOVEMENT TO AN ANGULAR MOVEMENT ABOUT THE AXIS OR CENTRE OF THE CIRCULAR CURVE OF THE RIGID RAIL, AND TWO LENGTHS OF EXTENSILE AND CONTRACTILE FLEXIBLE METALLIC BELLOWS WHICH RESPECTIVELY EXTEND FLUIDTIGHT OVER THE CIRCULARLY CURVED RIGID RAIL BETWEEN THE OPPOSITE SIDES OF THE HOUSING AND PARTS OF THE RAIL WHICH ARE CIRCUMFERENTIALLY EQUIDISTANT FROM THE HOUSING WHEN THE LATTER IS AT AN INTERMEDIATE POSITION ON THE RAIL.
Claim 2
Dependent Claim
152 words
PIVOTAL CONNECTING MEANS FOR CONNECTING TWO UNITS TOGETHER FOR RELATIVE ANGULAR MOVEMENT, COMPRISING A HOUSING FOR ATTACHMENT TO ONE OF THE TWO UNITS, GUIDE MEANS IN THE HOUSING, A CIRCULARLY CURVED RIGID RAIL FOR ATTACHMENT TO THE OTHER OF THE TWO UNITS, THE RAIL EXTENDING THROUGH THE HOUSING AND HAVING CONCAVE AND CONVEX SURFACES WHICH BEAR FIRMLY OUTWARDLY AND INWARDLY UPON THE GUIDE MEANS IN THE HOUSING, THE RAIL AND THE HOUSING BEING MOVABLE RELATIVE TO ANOTHER AND THE GUIDE MEANS CONSTRAINING THAT RELATIVE MOVEMENT TO AN ANGULAR MOVEMENT ABOUT THE AXIS OR CENTRE OF THE CIRCULAR CURVE OF THE RIGID RAIL, AND TWO LENGTHS OF EXTENSILE AND CONTRACTILE FLEXIBLE METALLIC BELLOWS WHICH RESPECTIVELY EXTEND FLUIDTIGHT OVER THE CIRCULARLY CURVED RIGID RAIL BETWEEN THE OPPOSITE SIDES OF THE HOUSING AND PARTS OF THE RAIL WHICH ARE CIRCUMFERENTIALLY EQUIDISTANT FROM THE HOUSING WHEN THE LATTER IS AT AN INTERMEDIATE POSITION ON THE RAIL.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |