US3371873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refining apparatus
Assignee: Individual
•
Filing: 1966-03-24
•
Granted: 1968-03-05
•
Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 Keith V Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:20
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
362 words
A REFINING APPARATUS COMPRISING: (A) A MAIN FRAME INCLUDING A STRESS RECEIVING MEMBER, (B) A ROTATABLE DRIVE SHAFT MOUNTED IN SAID MAIN FRAME FOR ROTATIONAL MOVEMENT ABOUT ITS MAIN AXIS, (C) SAID STRESS RECEIVING MEMBER OF SAID MAIN FRAME HAVING A FORWARDLY FACING FIRST FLANGE, SAID STRESS RECEIVING MEMBER BEING DESIGNED SUCH THAT SAID FLANGE WILL EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (D) A CASING HAVING A REARWARDLY FACING SECOND FLANGE, SAID SECOND FLANGE BEING ATTACHED TO SAID FIRST FLANGE AT A SUFFICIENT NUMBER OF SPACED POINTS TO ENSURE THAT SAID CASING CANNOT DEFLECT INDEPENDENTLY OF SAID STRESS RECEIVING MEMBER, SAID CASING BEING DESIGNED SO AS TO EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (E) A NON-ROTATABLE FIRST REFINING PLATE ATTACHED TO AND SUPPORTED BY SAID CASING, SAID PLATE HAVING A FIRST REFINING SURFACE PERPENDICULAR TO SAID MAIN AXIS OF SAID DRIVE SHAFT, SAID PLATE BEING SUPPORTED BY SAID CASING SO THAT SAID PLATE CANNOT DEFLECT INDEPENDENTLY OF SAID CASING, (F) A ROTATABLE PLATE SUPPORT DISC SUPPORTED ON THE FRONT END OF SAID DRIVE SHAFT FOR ROTATION WITH SAID DRIVE SHAFT, SAID ROTATABLE SUPPORT DISC BEING DESIGNED TO EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (G) A SECOND REFINING PLATE HAVING A SECOND REFINING SURFACE DISPOSED PARALLEL TO AND FACING SAID FIRST REFINING SURFACE, SAID SECOND REFINING PLATE BEING ATTACHED TO AND SUPPORTED BY SAID ROTATABLE SUPPORT DISC SO THAT SAID SECOND REFINING PLATE CANNOT DEFLECT INDEPENDENTLY OF SAID ROTATABLE SUPPORT DISC, AND (H) LOADING MEANS TO APPLY IN A RADIALLY SYMMETRICAL FASHION A FORCE TO SAID ROTATABLE PLATE, SAID FORCE BEING PARALLEL TO SAID MAIN AXIS AND IN A DIRECTION TENDING TO CAUSE SAID REFINING SURFACE TO BEAR AGAINST ONE ANOTHER, WHEREBY SAID REFINING SURFACES WILL REMAIN PARALLEL TO ONE ANOTHER AND PERPENDICULAR TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHENEVER AXIAL DEFLECTIONS ARE SUSTAINED BY SAID MEMBER, CASING, DISC, AND/OR PLATES.
Claim 2
Dependent Claim
362 words
A REFINING APPARATUS COMPRISING: (A) A MAIN FRAME INCLUDING A STRESS RECEIVING MEMBER, (B) A ROTATABLE DRIVE SHAFT MOUNTED IN SAID MAIN FRAME FOR ROTATIONAL MOVEMENT ABOUT ITS MAIN AXIS, (C) SAID STRESS RECEIVING MEMBER OF SAID MAIN FRAME HAVING A FORWARDLY FACING FIRST FLANGE, SAID STRESS RECEIVING MEMBER BEING DESIGNED SUCH THAT SAID FLANGE WILL EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (D) A CASING HAVING A REARWARDLY FACING SECOND FLANGE, SAID SECOND FLANGE BEING ATTACHED TO SAID FIRST FLANGE AT A SUFFICIENT NUMBER OF SPACED POINTS TO ENSURE THAT SAID CASING CANNOT DEFLECT INDEPENDENTLY OF SAID STRESS RECEIVING MEMBER, SAID CASING BEING DESIGNED SO AS TO EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (E) A NON-ROTATABLE FIRST REFINING PLATE ATTACHED TO AND SUPPORTED BY SAID CASING, SAID PLATE HAVING A FIRST REFINING SURFACE PERPENDICULAR TO SAID MAIN AXIS OF SAID DRIVE SHAFT, SAID PLATE BEING SUPPORTED BY SAID CASING SO THAT SAID PLATE CANNOT DEFLECT INDEPENDENTLY OF SAID CASING, (F) A ROTATABLE PLATE SUPPORT DISC SUPPORTED ON THE FRONT END OF SAID DRIVE SHAFT FOR ROTATION WITH SAID DRIVE SHAFT, SAID ROTATABLE SUPPORT DISC BEING DESIGNED TO EXHIBIT RADIAL DEFLECTION SYMMETRY RELATIVE TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHEN SUBJECTED TO RADIALLY SYMMETRICAL FORCES PARALLEL TO SAID MAIN AXIS, (G) A SECOND REFINING PLATE HAVING A SECOND REFINING SURFACE DISPOSED PARALLEL TO AND FACING SAID FIRST REFINING SURFACE, SAID SECOND REFINING PLATE BEING ATTACHED TO AND SUPPORTED BY SAID ROTATABLE SUPPORT DISC SO THAT SAID SECOND REFINING PLATE CANNOT DEFLECT INDEPENDENTLY OF SAID ROTATABLE SUPPORT DISC, AND (H) LOADING MEANS TO APPLY IN A RADIALLY SYMMETRICAL FASHION A FORCE TO SAID ROTATABLE PLATE, SAID FORCE BEING PARALLEL TO SAID MAIN AXIS AND IN A DIRECTION TENDING TO CAUSE SAID REFINING SURFACE TO BEAR AGAINST ONE ANOTHER, WHEREBY SAID REFINING SURFACES WILL REMAIN PARALLEL TO ONE ANOTHER AND PERPENDICULAR TO SAID MAIN AXIS OF SAID DRIVE SHAFT WHENEVER AXIAL DEFLECTIONS ARE SUSTAINED BY SAID MEMBER, CASING, DISC, AND/OR PLATES.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |