US3365035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid engaged clutch modulated by transmission ratio
Assignee: Deere and Co
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Filing: 1966-04-08
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Granted: 1968-01-23
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Kress James Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
B; B60; B60W; B60W30/00; B60W30/18; B60W10/00; B60W10/02; B60W10/10; F; F16; F16D; F16D25/00; F16D25/12; F16D25/14; F16D48/00; F16D48/02; F16D48/04; F16D2048/0209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A POWER TRAIN COMPRISING A POWER SOURCE, A VARIABLESPEED TRANSMISSION HAVING ITS INPUT SIDE CONNECTED TO AND DRIVEN BY SAID SOURCE AND INCLUDING MEANS FOR SELECTIVELY VARYING THE TRANSMISSION RATIO, FLUID-PRESSURE-ENGAGEABLE CLUTCH MEANS CONNECTED TO AND DRIVEN BY THE OUTPUT SIDE OF SAID TRANSMISSION AND HAVING A TORQUE-TRANSMITTING OUTPUT ELEMENT, CLUTCH CONTROL MEANS FOR SELECTIVELY SUPPLYING AND EXHAUSTING FLUID PRESSURE TO AND FROM SAID CLUTCH MEANS FOR RESPECTIVELY ENGAGING AND DISENGAGING SAME, AND FLUID-PRESSURE REGULATING MEANS OPERATIVE BETWEEN THE TRANSMISSION AND THE CLUTCH CONTROL MEANS FOR VARYING FLUID PRESSURE APPLIED TO THE CLUTCH MEANS IN INVERSE PROPORTION TO THE TRANSMISSION RATIO.
Claim 2
Dependent Claim
101 words
A POWER TRAIN COMPRISING A POWER SOURCE, A VARIABLESPEED TRANSMISSION HAVING ITS INPUT SIDE CONNECTED TO AND DRIVEN BY SAID SOURCE AND INCLUDING MEANS FOR SELECTIVELY VARYING THE TRANSMISSION RATIO, FLUID-PRESSURE-ENGAGEABLE CLUTCH MEANS CONNECTED TO AND DRIVEN BY THE OUTPUT SIDE OF SAID TRANSMISSION AND HAVING A TORQUE-TRANSMITTING OUTPUT ELEMENT, CLUTCH CONTROL MEANS FOR SELECTIVELY SUPPLYING AND EXHAUSTING FLUID PRESSURE TO AND FROM SAID CLUTCH MEANS FOR RESPECTIVELY ENGAGING AND DISENGAGING SAME, AND FLUID-PRESSURE REGULATING MEANS OPERATIVE BETWEEN THE TRANSMISSION AND THE CLUTCH CONTROL MEANS FOR VARYING FLUID PRESSURE APPLIED TO THE CLUTCH MEANS IN INVERSE PROPORTION TO THE TRANSMISSION RATIO.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |