US3387153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly
Assignee: Rotron Manufacturing Co Inc
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Filing: 1965-08-02
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Granted: 1968-06-04
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Peter P Grad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:50
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1675; F; F04; F04D; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; F16; F16C; F16C27/00; F16C27/06; F16C27/063; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; H02K5/1677; F16C2360/00; F16C2360/46; F16C2380/00; F16C2380/26; H02K5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A BEARING ARRANGEMENT FOR A PAIR OF CONCENTRICALLY DISPOSED RELATIVELY ROTATING MEMBERS HAVING COMPLEMENTARY CYLINDRICAL SURFACES OF DIFFERENT DIAMETER PROVIDING AN ANNULAR SPACE THEREBETWEEN COMPRISING, A PLURALITY OF ANNULAR BEARING ELEMENTS HAVING A RADIAL THICKNESS LESS THAN THE ANNULAR SPACE BETWEEN SAID MEMBERS AND DISPOSED THEREIN, ONE OF THE CIRCUMFERENTIAL SURFACES OF EACH OF SAID BEARING ELEMENTS BEING OF A DIAMETER TO ENGAGE ONE OF SAID COMPLEMENTARY CYLINDRICAL SURFACES IN CLOSE-FITTING RELATIONSHIP, A RESILIENT MEMBER DISPOSED ABOUT THE OTHER CIRCUMFERENTIAL SURFACE OF EACH OF SAID BEARING ELEMENTS AND TIGHTLY ENGAGING THE OTHER OF SAID COMPLEMENTARY SURFACES SUCH THAT NO RELATIVE ROTATION OCCURS THEREBETWEEN, AND LUBRICANT RETAINING MEANS BETWEEN SAID BEARING ELEMENTS FOR SUPPLYING A LUBRICANT TO THE AREAS OF SAID MEMBERS AND SAID BEARING ELEMENTS IN CLOSE-FITTING RELATIONSHIP.
Claim 2
Dependent Claim
128 words
A BEARING ARRANGEMENT FOR A PAIR OF CONCENTRICALLY DISPOSED RELATIVELY ROTATING MEMBERS HAVING COMPLEMENTARY CYLINDRICAL SURFACES OF DIFFERENT DIAMETER PROVIDING AN ANNULAR SPACE THEREBETWEEN COMPRISING, A PLURALITY OF ANNULAR BEARING ELEMENTS HAVING A RADIAL THICKNESS LESS THAN THE ANNULAR SPACE BETWEEN SAID MEMBERS AND DISPOSED THEREIN, ONE OF THE CIRCUMFERENTIAL SURFACES OF EACH OF SAID BEARING ELEMENTS BEING OF A DIAMETER TO ENGAGE ONE OF SAID COMPLEMENTARY CYLINDRICAL SURFACES IN CLOSE-FITTING RELATIONSHIP, A RESILIENT MEMBER DISPOSED ABOUT THE OTHER CIRCUMFERENTIAL SURFACE OF EACH OF SAID BEARING ELEMENTS AND TIGHTLY ENGAGING THE OTHER OF SAID COMPLEMENTARY SURFACES SUCH THAT NO RELATIVE ROTATION OCCURS THEREBETWEEN, AND LUBRICANT RETAINING MEANS BETWEEN SAID BEARING ELEMENTS FOR SUPPLYING A LUBRICANT TO THE AREAS OF SAID MEMBERS AND SAID BEARING ELEMENTS IN CLOSE-FITTING RELATIONSHIP.
References Cited (Backward Citations)
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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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |