Patent US3232075A successfully refreshed from Google Patents.
US3232075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear coupling
Assignee: Individual
•
Filing: 1963-03-11
•
Granted: 1966-02-01
•
Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:27
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A GEAR COUPLING COMPRISING AN OUTER MEMBER HAVING PARALLEL STRAIGHT TEETH PROVIDED INTERNALLY THEREON AND AN INNER MEMBER HAVING CROWNED TEETH PROJECTING OUTWARDLY FROM A BODY PORTION AND ENGAGING THE TEETH OF SAID OUTER MEMBER, SAID MEMBERS HAVING EQUAL TOOTH NUMBERS, SAID OUTER MEMBER HAVING CONCAVE AND APPROXIMATELY CIRCULAR ARCUATE TOOTH PROFILES IN PLANES PERPENDICULAR TO ITS AXIS, THE RADIUS OF SAID PROFILES BEING APPROXIMATELY CONSTANT, THE CROWNED TEETH OF SAID INNER MEMBER HAVING ALSO TOOTH PROFILES OF APPROXIMATELY CONSTANT CURVATURE.
Claim 2
Dependent Claim
81 words
A GEAR COUPLING COMPRISING AN OUTER MEMBER HAVING PARALLEL STRAIGHT TEETH PROVIDED INTERNALLY THEREON AND AN INNER MEMBER HAVING CROWNED TEETH PROJECTING OUTWARDLY FROM A BODY PORTION AND ENGAGING THE TEETH OF SAID OUTER MEMBER, SAID MEMBERS HAVING EQUAL TOOTH NUMBERS, SAID OUTER MEMBER HAVING CONCAVE AND APPROXIMATELY CIRCULAR ARCUATE TOOTH PROFILES IN PLANES PERPENDICULAR TO ITS AXIS, THE RADIUS OF SAID PROFILES BEING APPROXIMATELY CONSTANT, THE CROWNED TEETH OF SAID INNER MEMBER HAVING ALSO TOOTH PROFILES OF APPROXIMATELY CONSTANT CURVATURE.
References Cited (Backward Citations)
US2766664A
Cited
US2508556A
Cited
US2916803A
Cited
US2841966A
Cited
US2859508A
Cited
US2922294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |