US3224534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing arrangement
Assignee: Bayerische Motoren Werke AG
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Filing: 1964-03-10
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Granted: 1965-12-21
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Boguslawski Rudolf
- 👤 Brandl Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16D23/025; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; F16D2023/0625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SYNCHRONIZATION INSTALLATION FOR CHANGE-SPEED TRANSMISSIONS, ESPECIALLY FOR MOTOR VEHICLES, HAVING A HUB PORTION SUPPORTING THEREON THE SYNCHRONIZATION INSTALLATION, COMPRISING: SLOTTED FRICTION RING MEANS, UNITARY SLOTTED EXPANDING RING MEANS ARRANGED WITHIN SAID FRICTION RING MEANS TO INCREASE THE SERVO EFFECT THEREOF AND EXTENDING APPROXIMATELY OVER THE ENTIRE LENGTH OF SAID FRICTION RING MEANS, SAID EXPANDING RING MEANS HAVING END REGIONS WHICH, IN THE OPERATING POSITION THEREOF, ABUT DIRECTLY, ON THE ONE HAND, AGAINST THE END OF SAID FRICTION RING MEANS POINTING IN THE DIRECTION OF ROTATION, AND, ON THE OTHER, AGAINST AN ABUTMENT SURFACE PROVIDED IN SAID HUB PORTION SAID ABUTMENT SURFACE FACING IN THE DIRECTION OPPOSITE TO SAID FIRST-NAMED DIRECTION, THE END REGIONS OF SAID EXPANDING RING MEANS BEING PROVIDED WITH ABUTMENT SURFACE MEANS, THE PLANES OF WHICH SUBTEND WITH ONE ANOTHER SUCH AN ANGLE THAT THE ABUTMENT FORCES ACTING AGAINST SAID EXPANDING RING MEANS HAVE AN INWARDLY DIRECTED RESULTANT.
Claim 2
Dependent Claim
151 words
A SYNCHRONIZATION INSTALLATION FOR CHANGE-SPEED TRANSMISSIONS, ESPECIALLY FOR MOTOR VEHICLES, HAVING A HUB PORTION SUPPORTING THEREON THE SYNCHRONIZATION INSTALLATION, COMPRISING: SLOTTED FRICTION RING MEANS, UNITARY SLOTTED EXPANDING RING MEANS ARRANGED WITHIN SAID FRICTION RING MEANS TO INCREASE THE SERVO EFFECT THEREOF AND EXTENDING APPROXIMATELY OVER THE ENTIRE LENGTH OF SAID FRICTION RING MEANS, SAID EXPANDING RING MEANS HAVING END REGIONS WHICH, IN THE OPERATING POSITION THEREOF, ABUT DIRECTLY, ON THE ONE HAND, AGAINST THE END OF SAID FRICTION RING MEANS POINTING IN THE DIRECTION OF ROTATION, AND, ON THE OTHER, AGAINST AN ABUTMENT SURFACE PROVIDED IN SAID HUB PORTION SAID ABUTMENT SURFACE FACING IN THE DIRECTION OPPOSITE TO SAID FIRST-NAMED DIRECTION, THE END REGIONS OF SAID EXPANDING RING MEANS BEING PROVIDED WITH ABUTMENT SURFACE MEANS, THE PLANES OF WHICH SUBTEND WITH ONE ANOTHER SUCH AN ANGLE THAT THE ABUTMENT FORCES ACTING AGAINST SAID EXPANDING RING MEANS HAVE AN INWARDLY DIRECTED RESULTANT.
References Cited (Backward Citations)
US3110382A
Cited
FR1346800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |