US3112923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydropneumatic stabilizer and spring suspension device for motor vehicles
Assignee: Individual
•
Filing: 1960-12-22
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Granted: 1963-12-03
•
Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Ley Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/08; B60G15/12; B60G21/00; B60G21/02; B60G21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A HYDRAULIC STABILIZER DEVICE FOR DAMPING THE RELATIVE MOVEMENTS BETWEEN THE CHASSIS AND WHEELS OF VEHICLES, SAID DEVICE COMPRISING A CLOSED CYLINDRICAL CASING ARRANGED AT EACH SIDE OF THE VEHICLE, A PISTON ROD TIGHTLY GUIDED IN THE UPPER END OF EACH CYLINDRICAL CASING, ONE OF THE FOREGOING ELEMENTS BEING CONNECTED WITH THE CHASSIS, AND THE OTHER ONE OF THE FOREGOING ELEMENTS BEING CONNECTED WITH A WHEEL, A PISTON CONNECTED WITH EACH PISTON ROD AND SLIDABLY GUIDED IN EACH CYLINDRICAL CASING, A DAMPING LIQUID IN THE LOWER PART OF EACH CYLINDRICAL CASING BELOW THE PISTON, A HYDRAULIC ACCUMULATOR FOR STORING A LIQUID, CONDUIT MEANS INTERCONNECTING SAID HYDRAULIC ACCUMULATOR WITH THE LOWER PART OF EACH CYLINDRICAL CASING, COMPRESSED GAS ENCLOSED IN THE UPPER PART OF EACH CYLINDRICAL CASING, A MOVABLE SEPARATION PLATE IN THE LIQUID CHAMBER OF EACH CYLINDRICAL CASING, MEANS ADAPTED TO THROTTLE THE FLOW OF DAMPING LIQUID WITHIN EACH CYLINDRICAL CASING, SAID FLOW BEING CAUSED BY FORCES EXERTED UPON SAID PISTONS, SAID THROTTLING MEANS BEING LOCATED IN SAID MOVABLE SEPARATION PLATE, RESILIENT MEANS SUPPORTING EACH SEPARATION PLATE ABOVE THE BOTTOM OF EACH CYLINDRICAL CASING, AND A RIGID STOP ARRANGED IN EACH CYLINDRICAL CASING ABOVE THE MOVABLE SEPARATION PLATE FOR LIMITING UPWARD MOVEMENT THEREOF.
Claim 2
Dependent Claim
203 words
A HYDRAULIC STABILIZER DEVICE FOR DAMPING THE RELATIVE MOVEMENTS BETWEEN THE CHASSIS AND WHEELS OF VEHICLES, SAID DEVICE COMPRISING A CLOSED CYLINDRICAL CASING ARRANGED AT EACH SIDE OF THE VEHICLE, A PISTON ROD TIGHTLY GUIDED IN THE UPPER END OF EACH CYLINDRICAL CASING, ONE OF THE FOREGOING ELEMENTS BEING CONNECTED WITH THE CHASSIS, AND THE OTHER ONE OF THE FOREGOING ELEMENTS BEING CONNECTED WITH A WHEEL, A PISTON CONNECTED WITH EACH PISTON ROD AND SLIDABLY GUIDED IN EACH CYLINDRICAL CASING, A DAMPING LIQUID IN THE LOWER PART OF EACH CYLINDRICAL CASING BELOW THE PISTON, A HYDRAULIC ACCUMULATOR FOR STORING A LIQUID, CONDUIT MEANS INTERCONNECTING SAID HYDRAULIC ACCUMULATOR WITH THE LOWER PART OF EACH CYLINDRICAL CASING, COMPRESSED GAS ENCLOSED IN THE UPPER PART OF EACH CYLINDRICAL CASING, A MOVABLE SEPARATION PLATE IN THE LIQUID CHAMBER OF EACH CYLINDRICAL CASING, MEANS ADAPTED TO THROTTLE THE FLOW OF DAMPING LIQUID WITHIN EACH CYLINDRICAL CASING, SAID FLOW BEING CAUSED BY FORCES EXERTED UPON SAID PISTONS, SAID THROTTLING MEANS BEING LOCATED IN SAID MOVABLE SEPARATION PLATE, RESILIENT MEANS SUPPORTING EACH SEPARATION PLATE ABOVE THE BOTTOM OF EACH CYLINDRICAL CASING, AND A RIGID STOP ARRANGED IN EACH CYLINDRICAL CASING ABOVE THE MOVABLE SEPARATION PLATE FOR LIMITING UPWARD MOVEMENT THEREOF.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |