US3249057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump bearing bracket
Assignee: Allis Chalmers Corp
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Filing: 1964-01-30
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Granted: 1966-05-03
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Callahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A PUMP UNIT COMPRISING: A BEARING BRACKET HAVING AN ELONGATED ANNULAR ONE PIECE FRAME, SAID FRAME HAVING FIRST AND SECOND AXIALLY SPACED FLANGES EXTENDING RADIALLY OUTWARD THEREFROM, THE RADIALLY INNER SURFACE OF SAID FRAME DEFINING FIRST AND SECOND SPACED BEARING SEATS, SAID FIRST BEARING SEAT BEING SUBSTANTIALLY RADIALLY ALIGNED WITH SAID FIRST FLANGE, SAID SECOND BEARING SEAT BEING SPACED FROM SAID FIRST BEARING SEAT IN THE OPPOSITE DIRECTION FROM WHICH SAID SECOND FLANGE IS SPACED FROM SAID FIRST FLANGE, BEARINGS MOUNTED IN SAID BEARING SEATS, A PUMP CONNECTED TO SAID SECOND FLANGE, SAID PUMP HAVING A SHAFT EXTENDING THROUGH SAID BRACKET AND JOURNALED IN SAID BEARINGS, A DRIVE MEMBER HAVING A SHAFT EXTENDING THEREFROM CONNECTED TO SAID FIRST FLANGE, SAID DRIVE SHAFT BEING COUPLED TO SAID PUMP SHAFT, AND A SUPPORT STAND CONNECTED TO SAID PUMP ON THE OPPOSITE SIDE FROM SAID SECOND FLANGE TO MOUNT SAID UNIT IN A VERTICAL POSITION.
Claim 2
Dependent Claim
152 words
A PUMP UNIT COMPRISING: A BEARING BRACKET HAVING AN ELONGATED ANNULAR ONE PIECE FRAME, SAID FRAME HAVING FIRST AND SECOND AXIALLY SPACED FLANGES EXTENDING RADIALLY OUTWARD THEREFROM, THE RADIALLY INNER SURFACE OF SAID FRAME DEFINING FIRST AND SECOND SPACED BEARING SEATS, SAID FIRST BEARING SEAT BEING SUBSTANTIALLY RADIALLY ALIGNED WITH SAID FIRST FLANGE, SAID SECOND BEARING SEAT BEING SPACED FROM SAID FIRST BEARING SEAT IN THE OPPOSITE DIRECTION FROM WHICH SAID SECOND FLANGE IS SPACED FROM SAID FIRST FLANGE, BEARINGS MOUNTED IN SAID BEARING SEATS, A PUMP CONNECTED TO SAID SECOND FLANGE, SAID PUMP HAVING A SHAFT EXTENDING THROUGH SAID BRACKET AND JOURNALED IN SAID BEARINGS, A DRIVE MEMBER HAVING A SHAFT EXTENDING THEREFROM CONNECTED TO SAID FIRST FLANGE, SAID DRIVE SHAFT BEING COUPLED TO SAID PUMP SHAFT, AND A SUPPORT STAND CONNECTED TO SAID PUMP ON THE OPPOSITE SIDE FROM SAID SECOND FLANGE TO MOUNT SAID UNIT IN A VERTICAL POSITION.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |