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US3344689A
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Bearing structure
Assignee: Daimler Benz AG
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Filing: 1964-08-12
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Granted: 1967-10-03
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Naumann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:03
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/44; F16C19/46; F16C17/00; F16C17/04; F16C21/00; F16C33/00; F16C33/30; F16C33/58; F16C33/581; F16H; F16H57/00; F16H57/08; F16H57/082; F16C2361/00; F16C2361/61; F16H2057/085; Y; Y10; Y10S; Y10S475/00; Y10S475/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A PLANET GEAR CHANGE-SPEED TRANSMISSION ASSEMBLY HAVING AT LEAST ONE PLANET GEAR ROTATABLY SUPPORTED ON A BOLT MOUNTED ON A PLANET GEAR CARRIER, WHEREIN THE GEAR IS SUPPORTED ON THE BOLT BY MEANS OF A PLURALITY OF BEARING NEEDLES DISPOSED FOR DIRECT ENGAGEMENT WITH A SURFACE OF SAID GEAR AND OF SAID BOLT, THE IMPROVEMENT COMPRISING: AT LEAST TWO ABUTMENT DISCS OF DIFFERENT HARDNESS ROTATABLY MOUNTED ON SAID BOLT AND POSITIONED AXIALLY BETWEEN EACH END FACE OF SAID GEAR AND A SURFACE OF SAID PLANET GEAR CARRIER, EACH OF SAID ABUTMENT DISCS BEING ARRANGED WITH AXIAL PLAY WITH RESPECT TO SAID BOLT AND TO THE OTHER ABUTMENT DISCS, THUS PROVIDING FOR RELATIVE ROTATION BETWEEN SAID ABUTMENT DISCS AT EACH END OF SAID GEAR, THE RELATIVELY HARDER ABUTMENT DISC, WHICH IS DISPOSED TO CONTACT THE END FACE OF SAID GEAR, HAVING A HARDNESS APPROXIMATELY MATCHING THE HARDNESS OF SAID BEARING NEEDLES.
Claim 2
Dependent Claim
151 words
IN A PLANET GEAR CHANGE-SPEED TRANSMISSION ASSEMBLY HAVING AT LEAST ONE PLANET GEAR ROTATABLY SUPPORTED ON A BOLT MOUNTED ON A PLANET GEAR CARRIER, WHEREIN THE GEAR IS SUPPORTED ON THE BOLT BY MEANS OF A PLURALITY OF BEARING NEEDLES DISPOSED FOR DIRECT ENGAGEMENT WITH A SURFACE OF SAID GEAR AND OF SAID BOLT, THE IMPROVEMENT COMPRISING: AT LEAST TWO ABUTMENT DISCS OF DIFFERENT HARDNESS ROTATABLY MOUNTED ON SAID BOLT AND POSITIONED AXIALLY BETWEEN EACH END FACE OF SAID GEAR AND A SURFACE OF SAID PLANET GEAR CARRIER, EACH OF SAID ABUTMENT DISCS BEING ARRANGED WITH AXIAL PLAY WITH RESPECT TO SAID BOLT AND TO THE OTHER ABUTMENT DISCS, THUS PROVIDING FOR RELATIVE ROTATION BETWEEN SAID ABUTMENT DISCS AT EACH END OF SAID GEAR, THE RELATIVELY HARDER ABUTMENT DISC, WHICH IS DISPOSED TO CONTACT THE END FACE OF SAID GEAR, HAVING A HARDNESS APPROXIMATELY MATCHING THE HARDNESS OF SAID BEARING NEEDLES.
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |