US3150544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-speed gear reduction transmission
Assignee: Avco Corp
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Filing: 1963-04-25
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Granted: 1964-09-29
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward A Brass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:50
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A MULTI-SPEED GEAR REDUCTION TRANSMISSION: A SPLIT-POWER GEAR-SET REDUCTION BETWEEN AN INPUT AND AN OUTPUT SHAFT OF THE TYPE COMPRISING A PRIMARY AND A SECONDARY GEAR-SET STAGE, EACH WITH A CENTRAL GEAR, INTERMEDIATE GEARS, A CARRIER AND A RING GEAR, THE PRIMARY GEAR-SET CARRIER BEING NORMALLY PLANETARY AND THE SECONDARY GEAR-SET STAGE HAVING A FIXED CARRIER, SUCH PRIMARY AND SECONDARY GEAR-SET STAGE SPLIT-POWER ARRANGEMENT EMPLOYING A DRIVE CONNECTION BETWEEN THE PRIMARY STAGE RING GEAR AND THE SECONDARY STAGE CENTRAL GEAR AND A ROTATIVE CONNECTION BETWEEN THE SECONDARY STAGE RING GEAR AND THE OUTPUT LOW SPEED SHAFT, SAID PRIMARY GEAR-SET STAGE COMPRISING TWO COMPONENTS INCLUDING SAID CARRIER AND SAID RING GEAR, BOTH NORMALLY ROTATABLE ABOUT A PRINCIPAL AXIS LONGITUDINALLY COINCIDENT WITH THE AXIS OF ROTATION OF SAID INPUT SHAFT; THE COMBINATION THEREWITH OF: A BRAKE POSITIONED FOR ENGAGEMENT TO HOLD ONE OF
Claim 2
Dependent Claim
142 words
IN A MULTI-SPEED GEAR REDUCTION TRANSMISSION: A SPLIT-POWER GEAR-SET REDUCTION BETWEEN AN INPUT AND AN OUTPUT SHAFT OF THE TYPE COMPRISING A PRIMARY AND A SECONDARY GEAR-SET STAGE, EACH WITH A CENTRAL GEAR, INTERMEDIATE GEARS, A CARRIER AND A RING GEAR, THE PRIMARY GEAR-SET CARRIER BEING NORMALLY PLANETARY AND THE SECONDARY GEAR-SET STAGE HAVING A FIXED CARRIER, SUCH PRIMARY AND SECONDARY GEAR-SET STAGE SPLIT-POWER ARRANGEMENT EMPLOYING A DRIVE CONNECTION BETWEEN THE PRIMARY STAGE RING GEAR AND THE SECONDARY STAGE CENTRAL GEAR AND A ROTATIVE CONNECTION BETWEEN THE SECONDARY STAGE RING GEAR AND THE OUTPUT LOW SPEED SHAFT, SAID PRIMARY GEAR-SET STAGE COMPRISING TWO COMPONENTS INCLUDING SAID CARRIER AND SAID RING GEAR, BOTH NORMALLY ROTATABLE ABOUT A PRINCIPAL AXIS LONGITUDINALLY COINCIDENT WITH THE AXIS OF ROTATION OF SAID INPUT SHAFT; THE COMBINATION THEREWITH OF: A BRAKE POSITIONED FOR ENGAGEMENT TO HOLD ONE OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |