US3215375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nylon tape slack eliminator
Assignee: Individual
•
Filing: 1964-07-07
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Granted: 1965-11-02
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 John J Radovitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:32
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/02; B64F1/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
IN AIRCRAFT ARRESTING GEAR HAVING A PENDANT EXTENDING ACROSS A LANDING SURFACE, AN ENERGY ABSORBING DEVICE, TAPE SECURED TO SAID PENDANT, A REEL COUPLED WITH SAID ENERGY ABSORBER, SAID TAPE BEING WOUND ON SAID REEL FOR UNWINDING THEREFROM DURING AN ARRESTMENT, MEANS CONNECTED TO SAID REEL FOR REWINDING SAID TAPE THEREON, TAPE TENSIONING MEANS DISPOSED ON SAID REEL FOR TENSIONING SAID TAPE DURING WINDING THEREOF COMPRISING: A CYLINDER, A PISTON RECIPROCABLY MOUNTED THEREON, A PISTON ROD SECURED TO SAID PISTON AND EXTENDING FROM SAID CYLINDER, A ROLLER MOUNTED ON THE END OF SAID PISTON ROD ADAPTED TO ENGAGE THE OUTER SURFACE OF THE TAPE COILED ON SAID REEL, MEANS COMMUNICATIVELY CONNECTED WITH THE UPPER PORTION OF SAID CYLINDER ADAPTED TO TRAP AIR ABOVE SAID PISTON DURING WINDING OF SAID TAPE, SAID TRAPPED AIR BEING COMPRESSED WITH WINDING OF SAID TAPE AND THE COILS OF TAPE BEING WOUND INCREASINGLY TIGHTER, MEANS FOR VENTING SAID AIR ABOVE SAID PISTON AFTER SAID TAPE HAS BEEN REWOUND ON SAID REEL, AND MEANS FOR RAISING SAID PISTON TO REMOVE SAID ROLLER OUT OF CONTACT WITH SAID TAPE SO THAT UNWINDING OF SAID TAPE MAY BE PERFORMED WITHOUT INTERFERENCE THEREWITH.
Claim 2
Dependent Claim
194 words
IN AIRCRAFT ARRESTING GEAR HAVING A PENDANT EXTENDING ACROSS A LANDING SURFACE, AN ENERGY ABSORBING DEVICE, TAPE SECURED TO SAID PENDANT, A REEL COUPLED WITH SAID ENERGY ABSORBER, SAID TAPE BEING WOUND ON SAID REEL FOR UNWINDING THEREFROM DURING AN ARRESTMENT, MEANS CONNECTED TO SAID REEL FOR REWINDING SAID TAPE THEREON, TAPE TENSIONING MEANS DISPOSED ON SAID REEL FOR TENSIONING SAID TAPE DURING WINDING THEREOF COMPRISING: A CYLINDER, A PISTON RECIPROCABLY MOUNTED THEREON, A PISTON ROD SECURED TO SAID PISTON AND EXTENDING FROM SAID CYLINDER, A ROLLER MOUNTED ON THE END OF SAID PISTON ROD ADAPTED TO ENGAGE THE OUTER SURFACE OF THE TAPE COILED ON SAID REEL, MEANS COMMUNICATIVELY CONNECTED WITH THE UPPER PORTION OF SAID CYLINDER ADAPTED TO TRAP AIR ABOVE SAID PISTON DURING WINDING OF SAID TAPE, SAID TRAPPED AIR BEING COMPRESSED WITH WINDING OF SAID TAPE AND THE COILS OF TAPE BEING WOUND INCREASINGLY TIGHTER, MEANS FOR VENTING SAID AIR ABOVE SAID PISTON AFTER SAID TAPE HAS BEEN REWOUND ON SAID REEL, AND MEANS FOR RAISING SAID PISTON TO REMOVE SAID ROLLER OUT OF CONTACT WITH SAID TAPE SO THAT UNWINDING OF SAID TAPE MAY BE PERFORMED WITHOUT INTERFERENCE THEREWITH.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |