US3236333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorber
Assignee: Lockheed Martin Corp
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Filing: 1963-06-17
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Granted: 1966-02-22
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:12
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ENERGY ABSORBER COMPRISING: (A) A ROUND TUBULAR MEMBER ADAPTED TO ABSORB ENERGY UPON THE PLASTIC DEFORMATION THEREOF; (B) TUBE DEFORMING MEANS AXIALLY ALIGNED WITH SAID TUBULAR MEMBER FOR CREATING SUFFICIENT HOOP TENSION STRESS IN ONE END OF SAID TUBULAR MEMBR TO SPILT SAID TUBULAR MEMBER WHEN IT IS SUBJECTED TO AN AXIAL SHOCK LOAD OF PREDETERMINED MAGNITUDE, SAID TUBE DEFORMING MEANS CAUSING A PLASTIC DEFORMATION OF SAID TUBULAR MEMBER BY CONVERTING SAID AXIAL SHOCK LOAD INTO A COMPRESSION YIELDING OF THE MATERIAL OF WHICH SAID TUBULAR MEMBER IS MADE; AND (C) NON-DESTRUCTIBLE CONTROL MEANS UPON SAID TUBULAR MEMBER FOR CONTROLLING TUBE DEFORMATION THROUGHOUT ENERGY ABSORPTION PHASES.
Claim 2
Dependent Claim
107 words
AN ENERGY ABSORBER COMPRISING: (A) A ROUND TUBULAR MEMBER ADAPTED TO ABSORB ENERGY UPON THE PLASTIC DEFORMATION THEREOF; (B) TUBE DEFORMING MEANS AXIALLY ALIGNED WITH SAID TUBULAR MEMBER FOR CREATING SUFFICIENT HOOP TENSION STRESS IN ONE END OF SAID TUBULAR MEMBR TO SPILT SAID TUBULAR MEMBER WHEN IT IS SUBJECTED TO AN AXIAL SHOCK LOAD OF PREDETERMINED MAGNITUDE, SAID TUBE DEFORMING MEANS CAUSING A PLASTIC DEFORMATION OF SAID TUBULAR MEMBER BY CONVERTING SAID AXIAL SHOCK LOAD INTO A COMPRESSION YIELDING OF THE MATERIAL OF WHICH SAID TUBULAR MEMBER IS MADE; AND (C) NON-DESTRUCTIBLE CONTROL MEANS UPON SAID TUBULAR MEMBER FOR CONTROLLING TUBE DEFORMATION THROUGHOUT ENERGY ABSORPTION PHASES.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |