US3090258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epicyclic gear transmission with herringbone teeth
Assignee: Renk GmbH
•
Filing: 1958-05-29
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Granted: 1963-05-21
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Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Zinik Heinrich Johann
- 👤 John Erich
- 👤 Buttner Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:59
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/46; F16H2001/289; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN EPICYCLIC GEAR SYSTEM FOR THE TRANSMISSION OF POWER FROM A DRIVE SHAFT TO A DRIVEN SHAFT, COMPRISING THREE COAXIAL AND RELATIVELY ROTATABLE MEMBERS INCLUDING A SUPPORT, A RING MEMBER AND A CENTRAL MEMBER SURROUNDED WITH CLEARANCE BY SAID RING MEMBER, AN EXTERNAL GEAR ON SAID CENTRAL MEMBER, AN INTERNAL GEAR ON SAID RING MEMBER, A SET OF PLANETARY GEARS JOURNALED AT ANGULARLY SPACED LOCATIONS ON SAID SUPPORT IN MESH WITH BOTH SAID EXTERNAL AND INTERNAL GEARS, EACH OF SAID GEARS BEING AXIALLY SUBDIVIDED INTO AT LEAST ONE PAIR OF ROTATIVELY INTERCONNECTED HELICALLY TOOTHED PORTIONS OF OPPOSITE PITCH AND EQUAL DIAMETER RESPECTIVELY ENGAGING CORRESPONDING PORTIONS OF THE GEARS IN MESH THEREWITH, AND HOUSING MEANS HOLDING ONE OF SAID MEMBERS ALONG WITH EACH GEAR CARRIED THEREON AGAINST MAJOR ANGULAR DISPLACEMENT, THE TOOTHED PORTIONS OF AT LEAST ONE OF SAID GEARS OTHER THAN SAID PLANETARY GEARS BEING INTERCONNECTED AGAINST RELATIVE AXIAL DISPLACEMENT, THE TOOTHED
Claim 2
Dependent Claim
152 words
AN EPICYCLIC GEAR SYSTEM FOR THE TRANSMISSION OF POWER FROM A DRIVE SHAFT TO A DRIVEN SHAFT, COMPRISING THREE COAXIAL AND RELATIVELY ROTATABLE MEMBERS INCLUDING A SUPPORT, A RING MEMBER AND A CENTRAL MEMBER SURROUNDED WITH CLEARANCE BY SAID RING MEMBER, AN EXTERNAL GEAR ON SAID CENTRAL MEMBER, AN INTERNAL GEAR ON SAID RING MEMBER, A SET OF PLANETARY GEARS JOURNALED AT ANGULARLY SPACED LOCATIONS ON SAID SUPPORT IN MESH WITH BOTH SAID EXTERNAL AND INTERNAL GEARS, EACH OF SAID GEARS BEING AXIALLY SUBDIVIDED INTO AT LEAST ONE PAIR OF ROTATIVELY INTERCONNECTED HELICALLY TOOTHED PORTIONS OF OPPOSITE PITCH AND EQUAL DIAMETER RESPECTIVELY ENGAGING CORRESPONDING PORTIONS OF THE GEARS IN MESH THEREWITH, AND HOUSING MEANS HOLDING ONE OF SAID MEMBERS ALONG WITH EACH GEAR CARRIED THEREON AGAINST MAJOR ANGULAR DISPLACEMENT, THE TOOTHED PORTIONS OF AT LEAST ONE OF SAID GEARS OTHER THAN SAID PLANETARY GEARS BEING INTERCONNECTED AGAINST RELATIVE AXIAL DISPLACEMENT, THE TOOTHED
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |