US3149830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-damping suspension unit
Assignee: Maremont Corp
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Filing: 1962-11-16
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Granted: 1964-09-22
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert J Broadwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:25
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A SUSPENSION UNIT ADAPTED TO BE CONNECTED BETWEEN THE SPRUNG MASS AND UNSPRUNG MASS OF A VEHICLE COMPRISING A PAIR OF PARTS MOUNTED FOR RELATIVE MOVEMENT TOWARD AND AWAY FROM EACH OTHER, A FOLDED ROLLING SEAL MOUNTED BETWEEN SAID PARTS AND DEFINING THEREWITH AN AIR CHAMBER, MEANS COMMUNICATING WITH SAID AIR CHAMBER PROVIDING FOR THE INTRODUCTION AND EXHAUST OF AIR UNDER PRESSURE INTO AND OUT OF SAID AIR CHAMBER, ONE OF SAID PARTS HAVING MEANS FIXED WITH RESPECT THERETO FOR CONNECTING SAID ONE PART WITH ONE OF SAID MASSES FOR MOVEMENT IN RESPONSE TO THE MOVEMENT OF SAID ONE MASS, A MEMBER HAVING MEANS FOR CONNECTING THE SAME TO THE OTHER OF SAID MASSES FOR MOVEMENT THEREWITH IN RESPONSE TO THE MOVEMENT OF SAID OTHER MASS, SAID MEMBER INCLUDING ABUTMENT MEANS ADJACENT SAID CONNECTING MEANS AND A CYLINDRICAL SURFACE EXTENDING FROM SAID ABUTMENT MEANS IN A DIRECTION GENERALLY TOWARD THE CONNECTING MEANS OF SAID ONE PART, THE OTHER OF SAID PARTS INCLUDING A PORTION SLIDABLY SEALINGLY ENGAGING SAID CYLINDRICAL SURFACE, SAID OTHER PART BEING MOUNTED FOR RELATIVE MOVEMENT WITH RESPECT TO SAID ONE PART AND SAID MEMBER FROM AN INOPERATIVE POSITION WHEREIN SAID AIR CHAMBER IS EXHAUSTED AND SAID PORTION IS DISPOSED AWAY FROM SAID ABUTMENT MEANS AND IS FREE FROM RELATIVE MOVEMENT WITH RESPECT TO SAID ONE
Claim 2
Dependent Claim
218 words
A SUSPENSION UNIT ADAPTED TO BE CONNECTED BETWEEN THE SPRUNG MASS AND UNSPRUNG MASS OF A VEHICLE COMPRISING A PAIR OF PARTS MOUNTED FOR RELATIVE MOVEMENT TOWARD AND AWAY FROM EACH OTHER, A FOLDED ROLLING SEAL MOUNTED BETWEEN SAID PARTS AND DEFINING THEREWITH AN AIR CHAMBER, MEANS COMMUNICATING WITH SAID AIR CHAMBER PROVIDING FOR THE INTRODUCTION AND EXHAUST OF AIR UNDER PRESSURE INTO AND OUT OF SAID AIR CHAMBER, ONE OF SAID PARTS HAVING MEANS FIXED WITH RESPECT THERETO FOR CONNECTING SAID ONE PART WITH ONE OF SAID MASSES FOR MOVEMENT IN RESPONSE TO THE MOVEMENT OF SAID ONE MASS, A MEMBER HAVING MEANS FOR CONNECTING THE SAME TO THE OTHER OF SAID MASSES FOR MOVEMENT THEREWITH IN RESPONSE TO THE MOVEMENT OF SAID OTHER MASS, SAID MEMBER INCLUDING ABUTMENT MEANS ADJACENT SAID CONNECTING MEANS AND A CYLINDRICAL SURFACE EXTENDING FROM SAID ABUTMENT MEANS IN A DIRECTION GENERALLY TOWARD THE CONNECTING MEANS OF SAID ONE PART, THE OTHER OF SAID PARTS INCLUDING A PORTION SLIDABLY SEALINGLY ENGAGING SAID CYLINDRICAL SURFACE, SAID OTHER PART BEING MOUNTED FOR RELATIVE MOVEMENT WITH RESPECT TO SAID ONE PART AND SAID MEMBER FROM AN INOPERATIVE POSITION WHEREIN SAID AIR CHAMBER IS EXHAUSTED AND SAID PORTION IS DISPOSED AWAY FROM SAID ABUTMENT MEANS AND IS FREE FROM RELATIVE MOVEMENT WITH RESPECT TO SAID ONE
References Cited (Backward Citations)
US2980411A
Cited
US3063702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |