US3311431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensating bearing assembly
Assignee: Individual
•
Filing: 1964-08-07
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Granted: 1967-03-28
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Irving W Hilliard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:25
CPC Classifications
F; F16; F16C; F16C25/00; F16C25/06; F16C25/08; F16C17/00; F16C17/12; F16C17/22; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/52; F16C19/525; F16C35/00; F16C35/04; F16C35/06; F16C35/07; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A BEARING ASSEMBLY OF THE TYPE WHICH INCLUDES AN ANNULAR BEARING POSITIONED BETWEEN RADIALLY SPACED ROTATABLE AND NON-ROTATABLE ELEMENTS, THE COEFFICIENTS OF THERMAL EXPANSION OF SAID ELEMENTS DIFFERING FROM THAT OF SAID BEARING, MEANS RESPONSIVE TO CHANGES IN THE TEMPERATURE OF SAID BEARING ASSEMBLY FOR MAINTAINING CONTACT AT A RELATIVELY CONSTANT PRESSURE PER UNIT AREA BETWEEN SAID BEARING AND SAID ELEMENTS COMPRISING: RADIALLY SPACED INNER AND OUTER NON-PARALLEL SURFACES ON SAID BEARING IN SURFACE-TO-SURFACE CONTACT WITH ADJACENT NONPARALLEL SURFACES ON SAID ELEMENTS, THE ANGULAR DISPOSITION OF SAID SURFACES IN RELATION TO THE ROTATIONAL AXIS OF SAID
Claim 2
Dependent Claim
97 words
IN A BEARING ASSEMBLY OF THE TYPE WHICH INCLUDES AN ANNULAR BEARING POSITIONED BETWEEN RADIALLY SPACED ROTATABLE AND NON-ROTATABLE ELEMENTS, THE COEFFICIENTS OF THERMAL EXPANSION OF SAID ELEMENTS DIFFERING FROM THAT OF SAID BEARING, MEANS RESPONSIVE TO CHANGES IN THE TEMPERATURE OF SAID BEARING ASSEMBLY FOR MAINTAINING CONTACT AT A RELATIVELY CONSTANT PRESSURE PER UNIT AREA BETWEEN SAID BEARING AND SAID ELEMENTS COMPRISING: RADIALLY SPACED INNER AND OUTER NON-PARALLEL SURFACES ON SAID BEARING IN SURFACE-TO-SURFACE CONTACT WITH ADJACENT NONPARALLEL SURFACES ON SAID ELEMENTS, THE ANGULAR DISPOSITION OF SAID SURFACES IN RELATION TO THE ROTATIONAL AXIS OF SAID
References Cited (Backward Citations)
US1579798A
Cited
US3107950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |