Patent US3174348A successfully refreshed from Google Patents.
US3174348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable diameter pulley structure
Assignee: Emerson Electric Co
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Filing: 1963-07-19
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Granted: 1965-03-23
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:50
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A VARIABLE RATION TRANSMISSION MECHANISM: A SHAFT; A PAIR OF RELATIVELY AXIALLY MOVABLE PULLEY SECTIONS COOPERABLE WITH A BELT, AT LEAST ONE OF SAID PULLEY SECTIONS HAVING A MOUNTING PART SLIABLE ALONG THE SHAFT AND A CONE PART; AND VIBHRATION DAMPING MEANS INTERPOSED BETWEEN THE MOUNTING PART AND THE CONE PART, AND FORMING THE OPERATIVE CONNECTION BETWEEN SAID PARTS FOR TRANSMISSION TORQUE THEREBETWEEN.
Claim 2
Dependent Claim
64 words
IN A VARIABLE RATION TRANSMISSION MECHANISM: A SHAFT; A PAIR OF RELATIVELY AXIALLY MOVABLE PULLEY SECTIONS COOPERABLE WITH A BELT, AT LEAST ONE OF SAID PULLEY SECTIONS HAVING A MOUNTING PART SLIABLE ALONG THE SHAFT AND A CONE PART; AND VIBHRATION DAMPING MEANS INTERPOSED BETWEEN THE MOUNTING PART AND THE CONE PART, AND FORMING THE OPERATIVE CONNECTION BETWEEN SAID PARTS FOR TRANSMISSION TORQUE THEREBETWEEN.
References Cited (Backward Citations)
US1894432A
Cited
US2196923A
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US2199954A
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US2282589A
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US2321438A
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US2898142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |