Patent US3348645A successfully refreshed from Google Patents.
US3348645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dog clutch
Assignee: Maag Gear Wheel and Machine Co Ltd
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Filing: 1966-02-15
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Granted: 1967-10-24
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Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Sigg Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:11
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/08; F16D11/10; F16D2011/002; F16D2011/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CLUTCH COMPRISING TWO CONCENTRIC MEMBERS EACH HAVING TEETH THEREBETWEEN INTERNALLY AND EXTERNALLY, RESPECTIVELY, DISPOSED ON RINGS ON THE MEMBERS FOR INTERENGAGEMENT TO ENABLE A DRIVE TO BE TRANSMITTED BETWEEN THE SAID TWO MEMBERS, ALL OF THE TEETH ON BOTH OF THE SAID MEMBERS BEING LOCATED ON SIMILAR PITCH CIRCLES ABOUT THE COMMON AXIS OF THE MEMBERS AND HAVING THE SAME PITCH AND TOOTH THICKNESS, ONE OF THE SAID MEMBERS BEING PROVIDED WITH ONE MORE RING OF TEETH THAN THE OTHER SAID MEMBER AND INCLUDING AT LEAST TWO RINGS OF TEETH, THE TEETH OF ONE OF THE SAID RINGS OF TEETH BEING DISPLACED CIRCUMFERENTIALLY RELATIVE TO THE TEETH OF THE OTHER SAID RING OF TEETH BY A DISTANCE EQUAL TO ONEHALF OF THE PITCH OF SAID TEETH, THE RINGS OF TEETH BEING SO POSITIONED ON THE TWO MEMBERS THAT THE SAID RINGS
Claim 2
Dependent Claim
142 words
A CLUTCH COMPRISING TWO CONCENTRIC MEMBERS EACH HAVING TEETH THEREBETWEEN INTERNALLY AND EXTERNALLY, RESPECTIVELY, DISPOSED ON RINGS ON THE MEMBERS FOR INTERENGAGEMENT TO ENABLE A DRIVE TO BE TRANSMITTED BETWEEN THE SAID TWO MEMBERS, ALL OF THE TEETH ON BOTH OF THE SAID MEMBERS BEING LOCATED ON SIMILAR PITCH CIRCLES ABOUT THE COMMON AXIS OF THE MEMBERS AND HAVING THE SAME PITCH AND TOOTH THICKNESS, ONE OF THE SAID MEMBERS BEING PROVIDED WITH ONE MORE RING OF TEETH THAN THE OTHER SAID MEMBER AND INCLUDING AT LEAST TWO RINGS OF TEETH, THE TEETH OF ONE OF THE SAID RINGS OF TEETH BEING DISPLACED CIRCUMFERENTIALLY RELATIVE TO THE TEETH OF THE OTHER SAID RING OF TEETH BY A DISTANCE EQUAL TO ONEHALF OF THE PITCH OF SAID TEETH, THE RINGS OF TEETH BEING SO POSITIONED ON THE TWO MEMBERS THAT THE SAID RINGS
References Cited (Backward Citations)
US2667252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |