US3098629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber for airplane arresting devices
Assignee: Individual
•
Filing: 1960-01-21
•
Granted: 1963-07-23
•
Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Fonden Per Borje
- 👤 Walander Karl Ove Torgny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:49
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/02; B64F1/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A DEVICE FOR PREVENTING THE RUNAWAY OF AIRPLANES IN LANDING COMPRISING IN COMBINATION, AN ARRESTING NET, A PAIR OF TILTABLE MASTS, MEANS FOR SUSPENDING SAID NET IN A SUBSTANTIALLY VERTICAL PLANE BETWEEN SAID MASTS, A BRAKING MECHANISM HAVING A LARGE STATIS INERTIA LOCATED IN FRONT OF EACH END OF SAID NET, CONNECTIONS BETWEEN THE ENDS OF THE NET AND SAID BRAKING MECHANISM, AND SHOCK ABSORBING ASSEMBLIES INSERTED IN SAID CONNECTIONS, HAVING SMALL STATIC INERTIA COMPARED WITH THAT OF SAID BRAKING MECHANISM, AND BECOMING ACTIVE ONLY WHEN THE NET IS SUBJECTED TO LOADS EXCEEDING NORMALLY EXISTING LOADS WHICH MAY BE ATTENDED TO BY SAID BRAKING MECHANISM, SAID SHOCK ABSORBING MECHANISM COMPRISING MEANS FOR TRANSFORMING KINETIC ENERGY INTO HEAT SAID SHOCK ABSORBING ASSEMBLIES EACH COMPRISING A SET OF STRAPS MADE OF A MATERIAL WHICH ON TENSIONAL LOAD GIVES A CHARACTERISTIC TENSION-TO ELONGATION CURVE INCLUDING A FIRST SHARP STEEP PORTION AND A LESS STEEP AND NEARLY HORIZONTAL SECOND PORTION.
Claim 2
Independent Claim
156 words
A DEVICE FOR PREVENTING THE RUNAWAY OF AIRPLANES IN LANDING COMPRISING IN COMBINATION, AN ARRESTING NET, A PAIR OF TILTABLE MASTS, MEANS FOR SUSPENDING SAID NET IN A SUBSTANTIALLY VERTICAL PLANE BETWEEN SAID MASTS, A BRAKING MECHANISM HAVING A LARGE STATIS INERTIA LOCATED IN FRONT OF EACH END OF SAID NET, CONNECTIONS BETWEEN THE ENDS OF THE NET AND SAID BRAKING MECHANISM, AND SHOCK ABSORBING ASSEMBLIES INSERTED IN SAID CONNECTIONS, HAVING SMALL STATIC INERTIA COMPARED WITH THAT OF SAID BRAKING MECHANISM, AND BECOMING ACTIVE ONLY WHEN THE NET IS SUBJECTED TO LOADS EXCEEDING NORMALLY EXISTING LOADS WHICH MAY BE ATTENDED TO BY SAID BRAKING MECHANISM, SAID SHOCK ABSORBING MECHANISM COMPRISING MEANS FOR TRANSFORMING KINETIC ENERGY INTO HEAT SAID SHOCK ABSORBING ASSEMBLIES EACH COMPRISING A SET OF STRAPS MADE OF A MATERIAL WHICH ON TENSIONAL LOAD GIVES A CHARACTERISTIC TENSION-TO ELONGATION CURVE INCLUDING A FIRST SHARP STEEP PORTION AND A LESS STEEP AND NEARLY HORIZONTAL SECOND PORTION.
References Cited (Backward Citations)
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Cited
US2483655A
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US2762586A
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GB752017A
Cited
US2854201A
Cited
US2913197A
Cited
US2987278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |