US3176532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear transmission mechanism
Assignee: Emerson Electric Co
•
Filing: 1962-04-27
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Granted: 1965-04-06
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:19
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19144; Y10T74/1956; Y10T74/19628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN A REDUCTION GEAR MECHANISM; A DRIVEN GEAR; A PAIR OF PINIONS ENGAGING THE GEAR, THE AXES OF THE PINIONS BEING ANGULARLY SPACED ABOUT THE AXIS OF THE DRIVEN GEAR; A PAIR OF INTERMEDIATE DRIVEN GEARS ROTATABLE WITH THE PINIONS; A SHAFT; MEANS MOUNTING THE SHAFT FOR AT LEAST LIMITED AXIAL MOVEMENT; A PAIR OF AXIALLY SPACED PINIONS MOUNTED ON THE SHAFT AND ENGAGING THE INTERMEDIATE DRIVEN GEARS RESPECTIVELY; ANOTHER INTERMEDIATE DRIVEN GEAR MOUNTED ON SAID SHAFT; THE AXIALLY SPACED PINIONS AND THE SAID OTHER INTERMEDIATE DRIVEN GEAR ALL HAVING HELICAL TEETH, THE HELICAL ANGLES OF THE TWO AXIALLY SPACED PINIONS BEING OF OPPOSITE HANDS AND OF DIFFERENT HELICAL ANGLES TO PRODUCE AN AXIAL THRUST ON SAID SHAFT WHEN THE TORQUES EXERTED BY SAID AXIALLY SPACES PINIONS ARE EQUAL; THE HELICAL ANGLE OF SAID OTHER INTERMEDIATE DRIVEN GEAR BEING DESIGNED TO BALANCE SAID AXIAL THRUST; AND AN INPUT PINION ENGAGING SAID OTHER INTERMEDIATE DRIVEN GEAR.
Claim 2
Dependent Claim
155 words
IN A REDUCTION GEAR MECHANISM; A DRIVEN GEAR; A PAIR OF PINIONS ENGAGING THE GEAR, THE AXES OF THE PINIONS BEING ANGULARLY SPACED ABOUT THE AXIS OF THE DRIVEN GEAR; A PAIR OF INTERMEDIATE DRIVEN GEARS ROTATABLE WITH THE PINIONS; A SHAFT; MEANS MOUNTING THE SHAFT FOR AT LEAST LIMITED AXIAL MOVEMENT; A PAIR OF AXIALLY SPACED PINIONS MOUNTED ON THE SHAFT AND ENGAGING THE INTERMEDIATE DRIVEN GEARS RESPECTIVELY; ANOTHER INTERMEDIATE DRIVEN GEAR MOUNTED ON SAID SHAFT; THE AXIALLY SPACED PINIONS AND THE SAID OTHER INTERMEDIATE DRIVEN GEAR ALL HAVING HELICAL TEETH, THE HELICAL ANGLES OF THE TWO AXIALLY SPACED PINIONS BEING OF OPPOSITE HANDS AND OF DIFFERENT HELICAL ANGLES TO PRODUCE AN AXIAL THRUST ON SAID SHAFT WHEN THE TORQUES EXERTED BY SAID AXIALLY SPACES PINIONS ARE EQUAL; THE HELICAL ANGLE OF SAID OTHER INTERMEDIATE DRIVEN GEAR BEING DESIGNED TO BALANCE SAID AXIAL THRUST; AND AN INPUT PINION ENGAGING SAID OTHER INTERMEDIATE DRIVEN GEAR.
References Cited (Backward Citations)
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Cited
US2143921A
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US2370002A
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US2712761A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |