Patent US3276556A successfully refreshed from Google Patents.
US3276556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially restrained fluid clutch
Assignee: Rexnord Industries LLC
•
Filing: 1964-11-30
•
Granted: 1966-10-04
•
Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:36
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/04; F16D25/042; F16D25/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CLUTCH COMPRISING: A PAIR OF ROTARY STRUCTURES, ONE OF SAID ROTARY STRUCTURES INCLUDING FLUID PRESSURE MEANS ADAPTED TO BE ACTUATED TO EFFECT A DRIVING RELATIONSHIP BETWEEN SAID STRUCTURES AND ADAPTED TO BE DEACTUATED TO BREAK SUCH RELATIONSHIP; A SHAFT DISPOSED INTERNALLY OF SAID STRUCTURES; MEANS PIVOTALLY MOUNTING EACH END OF SAID INTERNALLY DISPOSED SHAFT IN A RESPECTIVE ON OF SAID ROTARY STRUCTURES, ONE OF SAID MEANS INCLUDING A ANTI-FRICTION BEARING MEANS PERMITTING RELATIVE ROTATION BETWEEN SAID INTERNALLY DISPOSED SHAFT AND ONE OF SAID ROTARY STRUCTURES; AND MEANS AXIALLY RESTRAINING SAID ROTARY STRUCTURES RELATIVE TO SAID INTERNALLY DISPOSED SHAFT.
Claim 2
Dependent Claim
99 words
A CLUTCH COMPRISING: A PAIR OF ROTARY STRUCTURES, ONE OF SAID ROTARY STRUCTURES INCLUDING FLUID PRESSURE MEANS ADAPTED TO BE ACTUATED TO EFFECT A DRIVING RELATIONSHIP BETWEEN SAID STRUCTURES AND ADAPTED TO BE DEACTUATED TO BREAK SUCH RELATIONSHIP; A SHAFT DISPOSED INTERNALLY OF SAID STRUCTURES; MEANS PIVOTALLY MOUNTING EACH END OF SAID INTERNALLY DISPOSED SHAFT IN A RESPECTIVE ON OF SAID ROTARY STRUCTURES, ONE OF SAID MEANS INCLUDING A ANTI-FRICTION BEARING MEANS PERMITTING RELATIVE ROTATION BETWEEN SAID INTERNALLY DISPOSED SHAFT AND ONE OF SAID ROTARY STRUCTURES; AND MEANS AXIALLY RESTRAINING SAID ROTARY STRUCTURES RELATIVE TO SAID INTERNALLY DISPOSED SHAFT.
References Cited (Backward Citations)
US2403326A
Cited
US3197005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |