Patent US3213700A successfully refreshed from Google Patents.
US3213700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear drives
Assignee: Rockwell-Standard Corp
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Filing: 1963-05-06
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Granted: 1965-10-26
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Nelson R Brownyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:55
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/037; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/14; F16H1/145; F16H48/00; F16H48/38; F16H48/42; F16H2048/423; F16H2057/02039; F16H2057/02043; F16H2057/02091; F16H48/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19688; Y10T74/19693; Y10T74/19949; Y10T74/19958; Y10T74/21; Y10T74/2186; Y10T74/2188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A HYPOID GEAR DRIVE ASSEMBLY COMPRISING A HOUSING, A RING GEAR, MEANS SUPPORTING SAID RING GEAR IN SAID HOUSING FOR ROTATION ABOUT A PREDETERMINED AXIS, A PINION GEAR, MEANS SUPPORTING SAID PINION GEAR FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY NORMAL TO THE AXIS OF SAID RING GEAR AND IN DRIVING RELATION THEREWITH, THE AXIS OF SAID PINION GEAR BEING OFFSET FROM THE AXIS OF SAID RING GEAR, SAID PINION GEAR AND SAID RING GEAR EACH HAVING SPIRAL TEETH IN ENGAGEMENT SUBSTANTIALLY ALONG THEIR ENTIRE LENGTH, THE TEETH OF SAID PINION GEAR HAVING A SPIRAL ANGLE BETWEEN 33* AND 37* AND THE TEETH OF SAID RING GEAR HAVING A SPIRAL ANGLE BETWEEN 18* AND 37* TO PERMIT SAID PINION GEAR TO DRIVE SAID RING GEAR EFFECTIVELY IN EITHER DIRECTION OF ROTATION.
Claim 2
Dependent Claim
130 words
A HYPOID GEAR DRIVE ASSEMBLY COMPRISING A HOUSING, A RING GEAR, MEANS SUPPORTING SAID RING GEAR IN SAID HOUSING FOR ROTATION ABOUT A PREDETERMINED AXIS, A PINION GEAR, MEANS SUPPORTING SAID PINION GEAR FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY NORMAL TO THE AXIS OF SAID RING GEAR AND IN DRIVING RELATION THEREWITH, THE AXIS OF SAID PINION GEAR BEING OFFSET FROM THE AXIS OF SAID RING GEAR, SAID PINION GEAR AND SAID RING GEAR EACH HAVING SPIRAL TEETH IN ENGAGEMENT SUBSTANTIALLY ALONG THEIR ENTIRE LENGTH, THE TEETH OF SAID PINION GEAR HAVING A SPIRAL ANGLE BETWEEN 33* AND 37* AND THE TEETH OF SAID RING GEAR HAVING A SPIRAL ANGLE BETWEEN 18* AND 37* TO PERMIT SAID PINION GEAR TO DRIVE SAID RING GEAR EFFECTIVELY IN EITHER DIRECTION OF ROTATION.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |