US3385589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicular suspension system
Assignee: Continental Teves AG and Co OHG
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Filing: 1966-06-13
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Granted: 1968-05-28
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Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 Hans Erdmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:14
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/48; F16F9/486; B; B60; B60G; B60G13/00; B60G13/001; B60G13/005; B60G15/00; B60G15/02; B60G15/06; B60G15/062; B60G15/067; B60G17/00; B60G17/02; B60G17/027; B60G17/0272; B60G17/04; B60G17/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A BODY-LEVEL-ADJUSTING, SHOCK-DAMPING VEHICLE SUSPENSION SYSTEM HAVING A SHOCK ABSORBER INTERPOSED BETWEEN AN AXLE PORTION AND A BODY PORTION OF A VEHICLE AND HAVING HYDRAULIC SHOCK-DAMPING MEANS FOR REDUCING RELATIVE OSCILLATORY MOVEMENT OF SAID PORTIONS, SUSPENSION-SPRING MEANS EXTENDING ALONG SAID SHOCK-DAMPING MEANS FOR URGING SAID PORTIONS APART, AND HYDRAULIC BODYELEVATING MEANS INTERPOSED BETWEEN ONE OF SAID PORTIONS AND SAID SPRING MEANS FOR LOADING SAID SPRING MEANS AND ADJUSTING THE LEVEL OF SAID BODY PORTION RELATIVELY TO SAID AXLE PORTION THEREBY TO MAINTAIN THE LEVEL OF SAID BODY PORTION UNDER LOADING THEREOF, THE IMPROVEMENT WHEREIN: SAID SHOCK-DAMPING MEANS INCLUDES A FIRST HYDRAULIC CYLINDER, AND A FIRST HYDRAULIC PISTON RECIPROCABLE WITHIN SAID CYLINDER TO FORM A DASH-POT ASSEMBLY THEREWITH; AND SAID BODY-ELEVATING MEANS INCLUDES A SECOND HYDRAULIC CYLINDER COAXIALLY SURROUNDING SAID FIRST CYLINDER AT LEAST AT ONE END THEREOF AND TELESCOPINGLY RECEIVING SAID FIRST CYLINDER, A SECOND HYDRAULIC PISTON RECEIVED IN SAID SECOND CYLINDER, AND PUMP MEANS FOR SUPPLYING SAID CYLINDER WITH HYDRAULIC FLUID UPON RECIPROCATION OF SAID DASH-POT ASSEMBLY.
Claim 2
Dependent Claim
169 words
IN A BODY-LEVEL-ADJUSTING, SHOCK-DAMPING VEHICLE SUSPENSION SYSTEM HAVING A SHOCK ABSORBER INTERPOSED BETWEEN AN AXLE PORTION AND A BODY PORTION OF A VEHICLE AND HAVING HYDRAULIC SHOCK-DAMPING MEANS FOR REDUCING RELATIVE OSCILLATORY MOVEMENT OF SAID PORTIONS, SUSPENSION-SPRING MEANS EXTENDING ALONG SAID SHOCK-DAMPING MEANS FOR URGING SAID PORTIONS APART, AND HYDRAULIC BODYELEVATING MEANS INTERPOSED BETWEEN ONE OF SAID PORTIONS AND SAID SPRING MEANS FOR LOADING SAID SPRING MEANS AND ADJUSTING THE LEVEL OF SAID BODY PORTION RELATIVELY TO SAID AXLE PORTION THEREBY TO MAINTAIN THE LEVEL OF SAID BODY PORTION UNDER LOADING THEREOF, THE IMPROVEMENT WHEREIN: SAID SHOCK-DAMPING MEANS INCLUDES A FIRST HYDRAULIC CYLINDER, AND A FIRST HYDRAULIC PISTON RECIPROCABLE WITHIN SAID CYLINDER TO FORM A DASH-POT ASSEMBLY THEREWITH; AND SAID BODY-ELEVATING MEANS INCLUDES A SECOND HYDRAULIC CYLINDER COAXIALLY SURROUNDING SAID FIRST CYLINDER AT LEAST AT ONE END THEREOF AND TELESCOPINGLY RECEIVING SAID FIRST CYLINDER, A SECOND HYDRAULIC PISTON RECEIVED IN SAID SECOND CYLINDER, AND PUMP MEANS FOR SUPPLYING SAID CYLINDER WITH HYDRAULIC FLUID UPON RECIPROCATION OF SAID DASH-POT ASSEMBLY.
References Cited (Backward Citations)
US3331599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |