US3180571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic clutch
Assignee: Individual
•
Filing: 1960-11-15
•
Granted: 1965-04-27
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Caroli Gerhard
- 👤 Lutz Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:16
CPC Classifications
F; F16; F16D; F16D35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A HYDRAULIC CLUTCH DEVICE FOR THE TRANSMISSION OF POWER COMPRISING, IN COMBINATION, A HOUSING, A FIRST ROTATABLE MEMBER AXIALLY IMMOVABLE WITH RESPECT TO SAID HOUSING, AND A SECOND ROTATABLE MEMBER, EACH ROTATABLE MEMBER MOUNTED SUBSTANTIALLY COAXIAL WITH RESPECT TO THE OTHER WITHIN SAID HOUSING, THE SECOND ROTATABLE MEMBER FORMING A WALL OF SAID HOUSING, DRIVING MEANS FOR ROTATING SAID FIRST ROTATABLE MEMBER, A QUANTITY OF LIQUID DISPOSED BETWEEN SAID ROTATABLE MEMBERS FOR ACTUATING ROTATION OF SAID SECOND ROTATABLE MEMBER UPON ROTATION OF SAID FIRST ROTATABLE MEMBER, THE QUANTITY OF SAID LIQUID BEING MEASURED SO THAT IT WILL FORM AN OIL RING DURING ROTATION OF SAID ROTATABLE MEMBERS, MEANS FOR AXIALLY MOVING SAID SECOND ROTATABLE MEMBER WITH RESPECT TO SAID FIRST ROTATABLE MEMBER AND SAID HOUSING, SEALING MEANS BETWEEN SAID HOUSING AND SAID SECOND ROTATABLE MEMBER, THE DISTANCE BETWEEN SAID HOUSING AND THE FIRST ROTATABLE MEMBER AT THE OUTER PERIPHERY INCREASING RADIALLY OUTWARDLY IN SUCH A MANNER THAT THE FACE OF ONE OF THESE MEMBERS WHICH IS ADJACENT THE OTHER MEMBER DIVERGES FROM SAID OTHER MEMBER IN HYPERBOLIC FUNCTION.
Claim 2
Dependent Claim
178 words
A HYDRAULIC CLUTCH DEVICE FOR THE TRANSMISSION OF POWER COMPRISING, IN COMBINATION, A HOUSING, A FIRST ROTATABLE MEMBER AXIALLY IMMOVABLE WITH RESPECT TO SAID HOUSING, AND A SECOND ROTATABLE MEMBER, EACH ROTATABLE MEMBER MOUNTED SUBSTANTIALLY COAXIAL WITH RESPECT TO THE OTHER WITHIN SAID HOUSING, THE SECOND ROTATABLE MEMBER FORMING A WALL OF SAID HOUSING, DRIVING MEANS FOR ROTATING SAID FIRST ROTATABLE MEMBER, A QUANTITY OF LIQUID DISPOSED BETWEEN SAID ROTATABLE MEMBERS FOR ACTUATING ROTATION OF SAID SECOND ROTATABLE MEMBER UPON ROTATION OF SAID FIRST ROTATABLE MEMBER, THE QUANTITY OF SAID LIQUID BEING MEASURED SO THAT IT WILL FORM AN OIL RING DURING ROTATION OF SAID ROTATABLE MEMBERS, MEANS FOR AXIALLY MOVING SAID SECOND ROTATABLE MEMBER WITH RESPECT TO SAID FIRST ROTATABLE MEMBER AND SAID HOUSING, SEALING MEANS BETWEEN SAID HOUSING AND SAID SECOND ROTATABLE MEMBER, THE DISTANCE BETWEEN SAID HOUSING AND THE FIRST ROTATABLE MEMBER AT THE OUTER PERIPHERY INCREASING RADIALLY OUTWARDLY IN SUCH A MANNER THAT THE FACE OF ONE OF THESE MEMBERS WHICH IS ADJACENT THE OTHER MEMBER DIVERGES FROM SAID OTHER MEMBER IN HYPERBOLIC FUNCTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |