US3105445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for securing the rotor on to its shaft in a pump for fluids
Assignee: Individual
•
Filing: 1962-01-30
•
Granted: 1963-10-01
•
Expires: 1982-01-30
Abstract
No abstract record available.
Inventors
- 👤 Gabbioneta Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/046; F04D29/049; F04D29/02; F04D29/026; F04D29/043; F04D29/18; F04D29/20; F05; F05D; F05D2300/00; F05D2300/40; F05D2300/43; F05D2300/60; F05D2300/611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A PUMP FOR FLUIDS, INCLUDING A ROTOR PROVIDED WITH A PROTECTIVE COATING OF PLASTIC MATERIAL, COMPRISING A PUMP SHAFT, SAID ROTOR HAVING SAID PLASTIC COATING AND A HOLLOW CYLINDRICAL HUB SECURED AT ONE END THEREOF TO SAID ROTOR, A TUBULAR PROTECTIVE MEMBER ENCIRCLING SAID HUB, A GASKET DISPOSED BETWEEN THE END OF SAID TUBULAR PROTECTIVE MEMBER FACING SAID ROTOR AND THE PART OF THE SURFACE OF SAID PLASTIC COATING FACING SAID ONE END OF SAID HUB, A FIRST NUT HAVING INNER THREAD AND OUTER THREAD SCREWED TO THE OUTER SURFACE OF THE OTHER END OF SAID HUB, THEREBY URGING SAID TUBULAR PROTECTIVE MEMBER AND SAID GASKET AGAINST SAID ROTOR, A SECOND NUT HAVING INNER THREAD SCREWED TO SAID OUTER THREAD OF SAID FIRST NUT, SAID PUMP SHAFT BEING SET OFF AT POINTS AXIALLY SPACED APART FROM EACH OTHER AND TO FORM A FIRST ANNULAR SHOULDER AND A SECOND ANNULAR SHOULDER, SAID SECOND NUT HAVING AN ANNULAR RADIALLY INWARDLY EXTENDING RING ABUTTING SAID FIRST ANNULAR SHOULDER OF SAID PUMP SHAFT, IN ORDER TO LIMIT THE AXIAL MOVEMENT OF SAID SECOND NUT TOWARDS SAID ROTOR, WHEREBY THE ASSEMBLY, CONSISTING OF SAID ROTOR, SAID HOLLOW CYLINDRICAL HUB, SAID TUBULAR PROTECTIVE MEMBER AND SAID FIRST NUT SCREWED ON TO THE LATTER, IS SECURED
Claim 2
Dependent Claim
209 words
A PUMP FOR FLUIDS, INCLUDING A ROTOR PROVIDED WITH A PROTECTIVE COATING OF PLASTIC MATERIAL, COMPRISING A PUMP SHAFT, SAID ROTOR HAVING SAID PLASTIC COATING AND A HOLLOW CYLINDRICAL HUB SECURED AT ONE END THEREOF TO SAID ROTOR, A TUBULAR PROTECTIVE MEMBER ENCIRCLING SAID HUB, A GASKET DISPOSED BETWEEN THE END OF SAID TUBULAR PROTECTIVE MEMBER FACING SAID ROTOR AND THE PART OF THE SURFACE OF SAID PLASTIC COATING FACING SAID ONE END OF SAID HUB, A FIRST NUT HAVING INNER THREAD AND OUTER THREAD SCREWED TO THE OUTER SURFACE OF THE OTHER END OF SAID HUB, THEREBY URGING SAID TUBULAR PROTECTIVE MEMBER AND SAID GASKET AGAINST SAID ROTOR, A SECOND NUT HAVING INNER THREAD SCREWED TO SAID OUTER THREAD OF SAID FIRST NUT, SAID PUMP SHAFT BEING SET OFF AT POINTS AXIALLY SPACED APART FROM EACH OTHER AND TO FORM A FIRST ANNULAR SHOULDER AND A SECOND ANNULAR SHOULDER, SAID SECOND NUT HAVING AN ANNULAR RADIALLY INWARDLY EXTENDING RING ABUTTING SAID FIRST ANNULAR SHOULDER OF SAID PUMP SHAFT, IN ORDER TO LIMIT THE AXIAL MOVEMENT OF SAID SECOND NUT TOWARDS SAID ROTOR, WHEREBY THE ASSEMBLY, CONSISTING OF SAID ROTOR, SAID HOLLOW CYLINDRICAL HUB, SAID TUBULAR PROTECTIVE MEMBER AND SAID FIRST NUT SCREWED ON TO THE LATTER, IS SECURED
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |