Patent US3174302A successfully refreshed from Google Patents.
US3174302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear coupling
Assignee: Midland Ross Corp
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Filing: 1962-07-27
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Granted: 1965-03-23
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Anthony W Pomper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:20
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A GEAR COUPLING COMPRISING, AN INTERNALLY TOOTHED SLEEVE AND A PAIR OF EXTERNALLY TOOTHED HUB MEMBERS ADAPTED TO BE POSITIONED THEREIN IN APPOSITION AND IN INTERMESHING TOOTH CONTACT, THE SLEEVE MEMBER HAVING FLATSIDED TEETH AND EXTENDING LENGTHWISE, THE HUB MEMBERS HAVING INVOLUTE CUT TEETH, ALL TEETH BEING SO CUT AS TO HAVE A PRESSURE ANGLE OF ABOUT 40* AT ABOUT THE PITCH CIRCLE, THE ANGLE BEING THE SMALLER ANGLE FORMED BY THE INTERSECTION, AT THE POINT OF TANGENCY, OF THE LINE TANGENT TO THE PITCH CIRCLE AND THE LINE OF ACTION.
Claim 2
Dependent Claim
91 words
A GEAR COUPLING COMPRISING, AN INTERNALLY TOOTHED SLEEVE AND A PAIR OF EXTERNALLY TOOTHED HUB MEMBERS ADAPTED TO BE POSITIONED THEREIN IN APPOSITION AND IN INTERMESHING TOOTH CONTACT, THE SLEEVE MEMBER HAVING FLATSIDED TEETH AND EXTENDING LENGTHWISE, THE HUB MEMBERS HAVING INVOLUTE CUT TEETH, ALL TEETH BEING SO CUT AS TO HAVE A PRESSURE ANGLE OF ABOUT 40* AT ABOUT THE PITCH CIRCLE, THE ANGLE BEING THE SMALLER ANGLE FORMED BY THE INTERSECTION, AT THE POINT OF TANGENCY, OF THE LINE TANGENT TO THE PITCH CIRCLE AND THE LINE OF ACTION.
References Cited (Backward Citations)
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US2510414A
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Cited
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Cited
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |