Patent US3216219A successfully refreshed from Google Patents.
US3216219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Couplings
Assignee: Individual
•
Filing: 1963-03-12
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Granted: 1965-11-09
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Hoglund Nils
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/14; B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/08; F16D2011/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A COUPLING COMPRISING DRIVING AND DRIVEN MEMBERS INCLUDING A DISC HAVING A RIM THEREON EXTENDING TRANSVERSELY THEREOF, A PLURALITY OF COUPLING TEETH LYING ON A CIRCLE WITHIN AND CLOSELY SPACED FROM SAID RIM, SAID TEETH EXTENDING NORMALLY OF SAID DISC PARALLEL TO THE AXIS OF ROTATION OF SAID DISC AND HAVING LESS HEIGHT THAN SAID RIM, THE CONTOURS OF THE ENGAGING SURFACES OF SAID TEETH LYING ON CYCLOIDAL CURVES, AND A COOPERATING DRUM SHAPED MEMBER HAVING A RIM EXTENDING TOWARD SAID DISC, THE EDGE OF SAID RIM BEING PROVIDED WITH A FLANGE HAVING TEETH EXTENDING TOWARD AND IN ENGAGEMENT WITH THE TEETH ON SAID DISC, THE CONTOURS OF THE SIDE SURFACES OF SAID TEETH ON SAID DRUM SHAPED MEMBER BEING COMPLEMENTARY TO THE SURFACES OF THE TEETH ON SAID DISC AND BEING IN CONTACT THEREWITH ALONG SAID SURFACES.
Claim 2
Dependent Claim
138 words
A COUPLING COMPRISING DRIVING AND DRIVEN MEMBERS INCLUDING A DISC HAVING A RIM THEREON EXTENDING TRANSVERSELY THEREOF, A PLURALITY OF COUPLING TEETH LYING ON A CIRCLE WITHIN AND CLOSELY SPACED FROM SAID RIM, SAID TEETH EXTENDING NORMALLY OF SAID DISC PARALLEL TO THE AXIS OF ROTATION OF SAID DISC AND HAVING LESS HEIGHT THAN SAID RIM, THE CONTOURS OF THE ENGAGING SURFACES OF SAID TEETH LYING ON CYCLOIDAL CURVES, AND A COOPERATING DRUM SHAPED MEMBER HAVING A RIM EXTENDING TOWARD SAID DISC, THE EDGE OF SAID RIM BEING PROVIDED WITH A FLANGE HAVING TEETH EXTENDING TOWARD AND IN ENGAGEMENT WITH THE TEETH ON SAID DISC, THE CONTOURS OF THE SIDE SURFACES OF SAID TEETH ON SAID DRUM SHAPED MEMBER BEING COMPLEMENTARY TO THE SURFACES OF THE TEETH ON SAID DISC AND BEING IN CONTACT THEREWITH ALONG SAID SURFACES.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |