US3269205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical gear tooth structure
Assignee: Individual
•
Filing: 1963-12-31
•
Granted: 1966-08-30
•
Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Niemann Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:03
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/08; F16H55/0826; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953; Y10T74/19963; Y10T74/19972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A GEAR HAVING A PAIR OF OPPOSED END FACES AND HAVING TEETH THE ENDS OF WHICH AT ONE OF SAID END FACES ARE ANGULARLY DISPLACED WITH RESPECT TO THE ENDS OF THE TEETH AT THE OTHER OF THE END FACES BY AN ANGULAR DISTANCE WHICH IS GREATER THAN THE CIRCULAR PITCH OF THE GEAR, AND EACH TOOTH OF SAID GEAR HAVING WITH A MATING TOOTH OF ANOTHER GEAR, AN AREA OF CONTACT WHICH ADVANCES LONGITUDINALLY ALONG EACH TOOTH FROM ONE END THEREOF TO THE OTHER END THEREOF DURING ROTATION OF THE GEAR, AND THE PROFILE OF EACH TOOTH LIMITING THE AREA OF CONTACT BETWEEN EACH TOOTH AND A TOOTH OF A MATING GEAR IN EACH PLANE PARALLEL TO THE END FACES SUBSTANTIALLY TO THE PITCH POINT.
Claim 2
Dependent Claim
126 words
A GEAR HAVING A PAIR OF OPPOSED END FACES AND HAVING TEETH THE ENDS OF WHICH AT ONE OF SAID END FACES ARE ANGULARLY DISPLACED WITH RESPECT TO THE ENDS OF THE TEETH AT THE OTHER OF THE END FACES BY AN ANGULAR DISTANCE WHICH IS GREATER THAN THE CIRCULAR PITCH OF THE GEAR, AND EACH TOOTH OF SAID GEAR HAVING WITH A MATING TOOTH OF ANOTHER GEAR, AN AREA OF CONTACT WHICH ADVANCES LONGITUDINALLY ALONG EACH TOOTH FROM ONE END THEREOF TO THE OTHER END THEREOF DURING ROTATION OF THE GEAR, AND THE PROFILE OF EACH TOOTH LIMITING THE AREA OF CONTACT BETWEEN EACH TOOTH AND A TOOTH OF A MATING GEAR IN EACH PLANE PARALLEL TO THE END FACES SUBSTANTIALLY TO THE PITCH POINT.
References Cited (Backward Citations)
US1425144A
Cited
US2176956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |