US3154181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-engaging synchronous gear coupling
Assignee: Maag Gear Wheel and Machine Co Ltd
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Filing: 1961-11-30
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Granted: 1964-10-27
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sigg Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:07
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
358 words
SELF ENGAGING SYNCHRONOUS GEAR COUPLING COMPRISING A DRIVING COUPLING UNIT (1-5) AND A DRIVEN COUPLING UNIT (6,7) MOUNTED CO-AXIALLY WITH THE DRIVING COUPLING UNIT AND MEANS PROVIDING AN EXTERNAL FORCE FOR FULLY ENGAGING THE TWO COUPLING UNITS; THE DRIVEN COUPLING UNIT CONSISTING OF A DRIVEN MEMBER (7) WITH COUPLING TEETH (6) THEREAROUND, A CENTRAL SLEEVE (38) OPERATIVELY CONNECTED TO SAID DRIVEN MEMBER (7), A FIRST INTERMEDIATE MEMBER (35) WITH JAW CLUTCH TEETH (36) THEREAROUND, MEANS (37,60) CONSTRAINING SAID FIRST INTERMEDIATE MEMBER (35) FOR HELICAL MOVEMENT ON, AND RELATIVE AXIAL MOVEMENT TO, SAID CENTRAL SLEEVE (38) AND DRIVEN MEMBER (7); THE DRIVING COUPLING UNIT CONSISTING OF A DRIVING MEMBER (1) WITH COUPLING TEETH THEREAROUND, A COUPLING SLEEVE (2,3) WITH COUPLING TEETH (2A,4) THEREAROUND AT BOTH ENDS, WITH THE TEETH (2A) AT ONE END OF SAID SLEEVE ALWAYS IN ENGAGEMENT WITH SAID DRIVING MEMBER (1) AND THE TEETH (4) AT THE OTHER END OF THE SLEEVE (2,3) BEING NORMALLY OUT OF ENGAGEMENT BUT ADAPTED FOR ENGAGEMENT WITH SAID TEETH (6) OF SAID DRIVEN MEMBER (7), A SECOND INTERMEDIATE MEMBER (11,13,21,22,24,25,27,28, 29) CONNECTED TO THE SAID COUPLING SLEEVE (2,3) AND ROTATABLY ARRANGED ON SAID DRIVEN COUPLING PARTS (6,7,38) AND AXIALLY HELD IN POSITION RELATIVE TO SAID FIRST INTERMEDIATE MEMBER (35), AT LEAST ONE PAWL (26) MOUNTED WITHIN A RECESS IN SAID SECOND INTERMEIDATE MEMBER AND ROTATABLE THEREWITH AND FOR ENGAGEMENT WITH THE TEETH (36) ON THE FIRST INTERMEDIATE MEMBER WHEN THE SPEED OF ROTATION OF THE DRIVING MEMBER AND SECOND INTERMEDIATE MEMBER OVERTAKES THE SPEED OF ROTATION OF THE FIRST INTERMEDIATE MEMBER, TO INITIATE SAID CONSTRAINED HELICAL MOVEMENT OF SAID FIRST INTERMEDIATE MEMBER (35) FOR CONSTRAINING SAID SECOND INTERMEDIATE MEMBER (11,13, ETC.) AND SAID COUPLING SLEEVE (2,3) FOR THE SAME HELICAL MOVEMENT; A CONTROL MEANS (12,14,15) CONNECTED TO SAID DRIVING COUPLING UNIT AND MOVABLE AXIALLY RELATIVELY TO SAID CENTRAL SLEEVE (38) AND RESPONSIVE TO THE MEANS PROVIDING THE EXTERNAL FORCE TO CAUSE FULL ENGAGEMENT OF SAID COUPLING SLEEVE (2,3) WITH THE DRIVEN MEMBER (7) BY MOVING THE TEETH (4) ON THE OTHER END OF THE COUPLING SLEEVE (2,3) SUBSTANTIALLY AXIALLY RELATIVE TO SAID DRIVING MEMBER (1) AND DRIVEN MEMBER (7), RESPECTIVELY.
Claim 2
Dependent Claim
358 words
SELF ENGAGING SYNCHRONOUS GEAR COUPLING COMPRISING A DRIVING COUPLING UNIT (1-5) AND A DRIVEN COUPLING UNIT (6,7) MOUNTED CO-AXIALLY WITH THE DRIVING COUPLING UNIT AND MEANS PROVIDING AN EXTERNAL FORCE FOR FULLY ENGAGING THE TWO COUPLING UNITS; THE DRIVEN COUPLING UNIT CONSISTING OF A DRIVEN MEMBER (7) WITH COUPLING TEETH (6) THEREAROUND, A CENTRAL SLEEVE (38) OPERATIVELY CONNECTED TO SAID DRIVEN MEMBER (7), A FIRST INTERMEDIATE MEMBER (35) WITH JAW CLUTCH TEETH (36) THEREAROUND, MEANS (37,60) CONSTRAINING SAID FIRST INTERMEDIATE MEMBER (35) FOR HELICAL MOVEMENT ON, AND RELATIVE AXIAL MOVEMENT TO, SAID CENTRAL SLEEVE (38) AND DRIVEN MEMBER (7); THE DRIVING COUPLING UNIT CONSISTING OF A DRIVING MEMBER (1) WITH COUPLING TEETH THEREAROUND, A COUPLING SLEEVE (2,3) WITH COUPLING TEETH (2A,4) THEREAROUND AT BOTH ENDS, WITH THE TEETH (2A) AT ONE END OF SAID SLEEVE ALWAYS IN ENGAGEMENT WITH SAID DRIVING MEMBER (1) AND THE TEETH (4) AT THE OTHER END OF THE SLEEVE (2,3) BEING NORMALLY OUT OF ENGAGEMENT BUT ADAPTED FOR ENGAGEMENT WITH SAID TEETH (6) OF SAID DRIVEN MEMBER (7), A SECOND INTERMEDIATE MEMBER (11,13,21,22,24,25,27,28, 29) CONNECTED TO THE SAID COUPLING SLEEVE (2,3) AND ROTATABLY ARRANGED ON SAID DRIVEN COUPLING PARTS (6,7,38) AND AXIALLY HELD IN POSITION RELATIVE TO SAID FIRST INTERMEDIATE MEMBER (35), AT LEAST ONE PAWL (26) MOUNTED WITHIN A RECESS IN SAID SECOND INTERMEIDATE MEMBER AND ROTATABLE THEREWITH AND FOR ENGAGEMENT WITH THE TEETH (36) ON THE FIRST INTERMEDIATE MEMBER WHEN THE SPEED OF ROTATION OF THE DRIVING MEMBER AND SECOND INTERMEDIATE MEMBER OVERTAKES THE SPEED OF ROTATION OF THE FIRST INTERMEDIATE MEMBER, TO INITIATE SAID CONSTRAINED HELICAL MOVEMENT OF SAID FIRST INTERMEDIATE MEMBER (35) FOR CONSTRAINING SAID SECOND INTERMEDIATE MEMBER (11,13, ETC.) AND SAID COUPLING SLEEVE (2,3) FOR THE SAME HELICAL MOVEMENT; A CONTROL MEANS (12,14,15) CONNECTED TO SAID DRIVING COUPLING UNIT AND MOVABLE AXIALLY RELATIVELY TO SAID CENTRAL SLEEVE (38) AND RESPONSIVE TO THE MEANS PROVIDING THE EXTERNAL FORCE TO CAUSE FULL ENGAGEMENT OF SAID COUPLING SLEEVE (2,3) WITH THE DRIVEN MEMBER (7) BY MOVING THE TEETH (4) ON THE OTHER END OF THE COUPLING SLEEVE (2,3) SUBSTANTIALLY AXIALLY RELATIVE TO SAID DRIVING MEMBER (1) AND DRIVEN MEMBER (7), RESPECTIVELY.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |