Patent US3333138A successfully refreshed from Google Patents.
Patent US3192607A successfully refreshed from Google Patents.
US3192607A
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Method and apparatus for making a self-aligning pillow block
Assignee: Return On Investment Corp
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Filing: 1962-04-16
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Granted: 1965-07-06
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Hilton Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:21
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/02; F16C43/00; F16C43/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD OF MAKING A SELF-ALIGNING PILLOW BLOCK WHICH COMPRISES CASTING A ONE-PIECE RIGID METAL HOUSING ABOUT A BEARING COMPOSED OF ELASTIC SINTERED POWERED METAL MATERIAL HAVING A SPHERICAL OUTER SURFACE AND FORMED WITH A CYLINDRICAL AXIAL BORE TO PROVIDE SAID HOUSING WITH SPHERICAL BORE PARTIALLY EMBRACING AND RETAINING SAID BEARING, AND THEN SUBJECTING SAID BEARING TO RADIAL COMPRESSION OUTWARDLY FROM WITHIN ITS BORE TO CAUSE IT TO BECOME FIXEDLY COMPRESSED, AND THEN REMOVING SAID COMPRESSING FORCES TO CAUSE SAID BEARING TO BECOME SLIGHTLY SEPARATED FROM THE INTERNAL SURFACE OF THE HOUSING WHILE REMAINING PIVOTALLY DISPOSED THEREIN AND FRICTIONALLY RETAINED AGAINST ROTATION ON ITS AXIS.
Claim 2
Independent Claim
105 words
THE METHOD OF MAKING A SELF-ALIGNING PILLOW BLOCK WHICH COMPRISES CASTING A ONE-PIECE RIGID METAL HOUSING ABOUT A BEARING COMPOSED OF ELASTIC SINTERED POWERED METAL MATERIAL HAVING A SPHERICAL OUTER SURFACE AND FORMED WITH A CYLINDRICAL AXIAL BORE TO PROVIDE SAID HOUSING WITH SPHERICAL BORE PARTIALLY EMBRACING AND RETAINING SAID BEARING, AND THEN SUBJECTING SAID BEARING TO RADIAL COMPRESSION OUTWARDLY FROM WITHIN ITS BORE TO CAUSE IT TO BECOME FIXEDLY COMPRESSED, AND THEN REMOVING SAID COMPRESSING FORCES TO CAUSE SAID BEARING TO BECOME SLIGHTLY SEPARATED FROM THE INTERNAL SURFACE OF THE HOUSING WHILE REMAINING PIVOTALLY DISPOSED THEREIN AND FRICTIONALLY RETAINED AGAINST ROTATION ON ITS AXIS.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |