US3266334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified globoid gearing
Assignee: VSESOYNZNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNO-TEKHNOLOGICHESKY INSTITUTE UGOLJNOGO MASHINOSTROJENIJA
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Filing: 1964-05-14
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Granted: 1966-08-16
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Zak Pavel Samoilovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:24
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/08; F16H55/0853; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ENVELOPING WORM GEARING COMPRISING A WORM HAVING OPPOSITE ENDS CONSTITUTING AN ENTERING END AND AN EXIT END, SAID WORM INCLUDING A THREAD WOUND THEREON ALONG A CONTINUOUS CURVED LINE WHICH DEVIATES FROM A NORMAL HELICAL LINE, SAID CURVED LINE BEING TANGENTIAL WITH SAID HELICAL LINE AT AN INTERMEDIATE POINT OF EXTREMUS AND DEVIATING FROM SAID LINE FROM SAID EXTREMUS POINT TOWARDS THE ENTERING END OF THE WORM, AND A WORM GEAR HAVING TEETH ENVELOPING SAID WORM AND INCLUDING WORKING SURFACES CONJUGATE WITH SAID WORM.
Claim 2
Dependent Claim
85 words
AN ENVELOPING WORM GEARING COMPRISING A WORM HAVING OPPOSITE ENDS CONSTITUTING AN ENTERING END AND AN EXIT END, SAID WORM INCLUDING A THREAD WOUND THEREON ALONG A CONTINUOUS CURVED LINE WHICH DEVIATES FROM A NORMAL HELICAL LINE, SAID CURVED LINE BEING TANGENTIAL WITH SAID HELICAL LINE AT AN INTERMEDIATE POINT OF EXTREMUS AND DEVIATING FROM SAID LINE FROM SAID EXTREMUS POINT TOWARDS THE ENTERING END OF THE WORM, AND A WORM GEAR HAVING TEETH ENVELOPING SAID WORM AND INCLUDING WORKING SURFACES CONJUGATE WITH SAID WORM.
References Cited (Backward Citations)
US3045557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |