US3269201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed drive
Assignee: FMC Corp
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Filing: 1964-06-05
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Granted: 1966-08-30
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Olin L Looker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A VARIABLE RATIO BELT TRANSMISSION, TWO COAXIALLY MOUNTED SHEAVE HALVES, MEANS MOUNTING SAID SHEAVE HALVES FOR RELATIVE AXIAL MOTION TO VARY THE PITCH DIAMETER OF A BELT TRAINED AROUND THE DRIVING FACES THEREOF, AN ELONGATED LATERALLY FLEXIBLE DRIVING LINK MOUNTED BETWEEN SAID SHEAVE HALVES RADIALLY WITHIN THEIR DRIVING FACES AND WITH ITS FLAT FACES SUBSTANTIALLY PARALLEL TO THE GENERAL PLANES OF THE SHEAVE HALVES, AND MEANS SECURING ONE END PORTION OF SAID LINK TO ONE SAID SHEAVE HALVES AN THE OTHER END PORTION OF SAID LINK TO THE OTHER OF SAID SHEAVE HALVES FOR COUPLING SAID SHEAVE HALVES TOGETHER FOR SIMULTANEOUS ROTATION, SAID LINK SIMULTANEOUSLY ACCOMODATING VARIATIONS IN THE INTERSPACING OF THE SHEAVE HALVES BY LATERAL FLEXURE.
Claim 2
Dependent Claim
118 words
IN A VARIABLE RATIO BELT TRANSMISSION, TWO COAXIALLY MOUNTED SHEAVE HALVES, MEANS MOUNTING SAID SHEAVE HALVES FOR RELATIVE AXIAL MOTION TO VARY THE PITCH DIAMETER OF A BELT TRAINED AROUND THE DRIVING FACES THEREOF, AN ELONGATED LATERALLY FLEXIBLE DRIVING LINK MOUNTED BETWEEN SAID SHEAVE HALVES RADIALLY WITHIN THEIR DRIVING FACES AND WITH ITS FLAT FACES SUBSTANTIALLY PARALLEL TO THE GENERAL PLANES OF THE SHEAVE HALVES, AND MEANS SECURING ONE END PORTION OF SAID LINK TO ONE SAID SHEAVE HALVES AN THE OTHER END PORTION OF SAID LINK TO THE OTHER OF SAID SHEAVE HALVES FOR COUPLING SAID SHEAVE HALVES TOGETHER FOR SIMULTANEOUS ROTATION, SAID LINK SIMULTANEOUSLY ACCOMODATING VARIATIONS IN THE INTERSPACING OF THE SHEAVE HALVES BY LATERAL FLEXURE.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |