US3077325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load positioning device
Assignee: Individual
•
Filing: 1961-02-13
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Granted: 1963-02-12
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Skopp
- 👤 Jr Charles J Litz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:40
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A LOAD POSITIONING DEVICE, THE COMBINATION OF A MAIN CYLINDER ENCLOSING A DAMPING FLUID AND HAVING A FIXED END CAP, A GUIDE ROD FIXED TO SAID END CAP AND EXTENDING INTO SAID MAIN CYLINDER, A PISTON ROD INCLUDING CONCENTRIC TUBULAR MEMBERS FIXED TOGETHER AND MOVABLE ALONG SAID ROD, THE INNER OF SAID TUBULAR MEMBERS HAVING AN OUTWARDLY EXTENDING FLANGE AT ITS INNER END AND THE OUTER OF SAID TUBULAR MEMBERS HAVING A LOAD ACTUATING MEMBER AT ITS OUTER END, A MAIN PISTON FIXED TO SAID MAIN CYLINDER BY A SHEAR PIN AND MOVABLE AGAINST SAID FLANGE UPON THE APPLICATION OF PRESSURE THERETO AND THE SHEARING OF SAID PIN, SHOCK ABSORBER MEANS INCLUDING A CHAMBER INTERCONNECTED WITH SAID MAIN CYLINDER THROUGH A METERING PASSAGEWAY, A PRESSURE RUPTURABLE DISK IN SAID PASSAGEWAY, AN AUXILIARY CYLINDER OPENING INTO SAID MAIN CYLINDER, AND A SPRING BIASED PISTON MOVABLE IN SAID AUXILIARY CYLINDER UPON THE APPLICATION TO SAID DAMPING FLUID OF A PRESSURE SUFFICIENT TO MANUALLY POSITION SAID LOAD AND INSUFFICIENT TO SHEAR SAID PIN OR RUPTURE SAID DISK.
Claim 2
Dependent Claim
175 words
IN A LOAD POSITIONING DEVICE, THE COMBINATION OF A MAIN CYLINDER ENCLOSING A DAMPING FLUID AND HAVING A FIXED END CAP, A GUIDE ROD FIXED TO SAID END CAP AND EXTENDING INTO SAID MAIN CYLINDER, A PISTON ROD INCLUDING CONCENTRIC TUBULAR MEMBERS FIXED TOGETHER AND MOVABLE ALONG SAID ROD, THE INNER OF SAID TUBULAR MEMBERS HAVING AN OUTWARDLY EXTENDING FLANGE AT ITS INNER END AND THE OUTER OF SAID TUBULAR MEMBERS HAVING A LOAD ACTUATING MEMBER AT ITS OUTER END, A MAIN PISTON FIXED TO SAID MAIN CYLINDER BY A SHEAR PIN AND MOVABLE AGAINST SAID FLANGE UPON THE APPLICATION OF PRESSURE THERETO AND THE SHEARING OF SAID PIN, SHOCK ABSORBER MEANS INCLUDING A CHAMBER INTERCONNECTED WITH SAID MAIN CYLINDER THROUGH A METERING PASSAGEWAY, A PRESSURE RUPTURABLE DISK IN SAID PASSAGEWAY, AN AUXILIARY CYLINDER OPENING INTO SAID MAIN CYLINDER, AND A SPRING BIASED PISTON MOVABLE IN SAID AUXILIARY CYLINDER UPON THE APPLICATION TO SAID DAMPING FLUID OF A PRESSURE SUFFICIENT TO MANUALLY POSITION SAID LOAD AND INSUFFICIENT TO SHEAR SAID PIN OR RUPTURE SAID DISK.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |