US3316772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pinion wound-up power drive
Assignee: Giddings and Lewis LLC
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Filing: 1964-08-04
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Granted: 1967-05-02
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:12
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/56; F; F16; F16H; F16H1/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19623; Y10T74/19628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A REVERSIBLE POWER DRIVE FOR MOVABLE MACHINE TOOL MEMBERS AND COMPRISING, IN COMBINATION; AN INPUT PINION; A PAIR OF PRIMARY GEAR TRAINS CONNECTED TO SAID INPUT PINION; A FIRST PAIR OF PLANETARY GEAR ASSEMBLIES INTERPOSED IN ONE OF SAID PRIMARY GEAR TRAINS; A SECOND PAIR OF PLANETARY GEAR ASSEMBLIES INTERPOSED IN THE OTHER OF SAID PRIMARY GEAR TRAINS; EACH SAID PLANETARY ASSEMBLY INCLUDING SUN, PLANET, AND RING GEARS AND A PLANET CARRIER; A PLURALITY OF OUTPUT PINIONS EACH CONNECTED TO THE PLANET CARRIER OF A RESPECTIVE ONE OF SAID PLANETARY GEAR ASSEMBLIES; AND MEANS INTERCONNECTING THE RING GEARS IN EACH SAID PAIR OF PLANETARY ASSEMBLIES IN OPPOSED DRIVING RELATION PERMITTING LIMITED MOVEMENT OF EACH RING GEAR TO EQUALIZE THE LOAD TRANSMITTED TO THEIR ASSOCIATED OUTPUT PINIONS.
Claim 2
Dependent Claim
126 words
A REVERSIBLE POWER DRIVE FOR MOVABLE MACHINE TOOL MEMBERS AND COMPRISING, IN COMBINATION; AN INPUT PINION; A PAIR OF PRIMARY GEAR TRAINS CONNECTED TO SAID INPUT PINION; A FIRST PAIR OF PLANETARY GEAR ASSEMBLIES INTERPOSED IN ONE OF SAID PRIMARY GEAR TRAINS; A SECOND PAIR OF PLANETARY GEAR ASSEMBLIES INTERPOSED IN THE OTHER OF SAID PRIMARY GEAR TRAINS; EACH SAID PLANETARY ASSEMBLY INCLUDING SUN, PLANET, AND RING GEARS AND A PLANET CARRIER; A PLURALITY OF OUTPUT PINIONS EACH CONNECTED TO THE PLANET CARRIER OF A RESPECTIVE ONE OF SAID PLANETARY GEAR ASSEMBLIES; AND MEANS INTERCONNECTING THE RING GEARS IN EACH SAID PAIR OF PLANETARY ASSEMBLIES IN OPPOSED DRIVING RELATION PERMITTING LIMITED MOVEMENT OF EACH RING GEAR TO EQUALIZE THE LOAD TRANSMITTED TO THEIR ASSOCIATED OUTPUT PINIONS.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |