US3250141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable ratio transmission mechanism
Assignee: Emerson Electric Co
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Filing: 1963-11-19
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Granted: 1966-05-10
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:34
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
IN A VARIABLE RATIO TRANSMISSION MECHANSIM: WALLS FORMING A FRAME; A SHAFT; MEANS SUPPORTING THE SHAFT FOR ROTATION IN THE FRAME, SAID SHAFT HAVING AN END FREE OF SUPPORT; A PULLEY STRUCTURE MOUNTED ON SAID SHAFT, INCLUDING A PULLEY ELEMENT SLIDABLE ALONG THE FREE END OF THE SHAFT; A SHIFTING LEVER; MEANS FORMING A FULCRUM FOR THE LEVER AT A PLACE SPACED FROM THE SHAFT; SAID LEVER EXTENDING SUBSTANTIALLY DIAMETRICALLY ACROSS THE FREE END OF THE SHAFT; A MECHANISM MOUNTED ON THE FRAME FOR MOVING THE FREE END OF THE LEVER IN AN ARC SUBSTANTIALLY PARALLEL TO THE SHAFT; MEANS FORMING AN OPERATIVE CONNECTION BETWEEN THE LEVER AND THE PULLEY ELEMENT; AND MEANS FOR ADJUSTING THE POSITION OF THE FULCRUM IN A DIRECTION PARALLEL TO SAID SHAFT.
References Cited (Backward Citations)
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Cited
US2770978A
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US3009363A
Cited
US3090246A
Cited
US3136169A
Cited
US3111858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |