Patent US1209298A successfully refreshed from Google Patents.
Patent US3362765A successfully refreshed from Google Patents.
US3362765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft bearing and replaceable bearing insert therefor
Assignee: Plastic and Rubber Products Co
•
Filing: 1966-09-01
•
Granted: 1968-01-09
•
Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Laird M Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:00
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C17/00; F16C17/12; F16C17/14; F16C33/203; F16C33/205; F16C2208/00; F16C2208/20; F16C2208/30; F16C2208/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A SHAFT BEARING OF THE SUBMERGED TYPE COMPRISING: AN OUTER RIGID BEARING SUPPORT HAVING A CYLINDRICAL OPENING THERETHROUGH AND TWO INTERNAL ANNULAR SHOULDERS SPACED AXIALLY APART WITHIN THE OPENING, A REPLACEABLE CYLINDRICAL BEARING INSERT REMOVABLY POSITIONED WITHIN SAID SUPPORT BETWEEN SAID SHOULDERS, WHEREBY SAID INSERT IS CONFINED AGAINST ENDWISE MOVEMENT BY SAID SHOULDERS, SAID BEARING INSERT HAVING INTERNAL AXIALLY EXTENDING, PARALLEL GROOVES DEFINING THEREBETWEEN SPACED AXIALLY EXTENDING BEARING LANDS, AND SAID BEARING INSERT BEING SPLIT AXIALLY AND CONSTRUCTED ENTIRELY OF A FLEXIBLE PLIABLE MATERIAL, WHEREBY SAID INSERT MAY BE MANUALLY CONTRACTED FOR AXIAL REMOVAL FROM AND INSERTION INTO SAID BEARING SUPPORT, THE INNER SURFACE OF SAID INSERT COMPRISING A BODY OF MATERIAL DIFFERENT FROM THE MATERIAL DEFINING THE OUTER SURFACE OF SAID INSERT AND HAVING A LOWER COEFFICIENT OF FRICTION THAN THE MATERIAL AT THE OUTER SURFACE OF SAID INSERT.
Claim 2
Dependent Claim
140 words
A SHAFT BEARING OF THE SUBMERGED TYPE COMPRISING: AN OUTER RIGID BEARING SUPPORT HAVING A CYLINDRICAL OPENING THERETHROUGH AND TWO INTERNAL ANNULAR SHOULDERS SPACED AXIALLY APART WITHIN THE OPENING, A REPLACEABLE CYLINDRICAL BEARING INSERT REMOVABLY POSITIONED WITHIN SAID SUPPORT BETWEEN SAID SHOULDERS, WHEREBY SAID INSERT IS CONFINED AGAINST ENDWISE MOVEMENT BY SAID SHOULDERS, SAID BEARING INSERT HAVING INTERNAL AXIALLY EXTENDING, PARALLEL GROOVES DEFINING THEREBETWEEN SPACED AXIALLY EXTENDING BEARING LANDS, AND SAID BEARING INSERT BEING SPLIT AXIALLY AND CONSTRUCTED ENTIRELY OF A FLEXIBLE PLIABLE MATERIAL, WHEREBY SAID INSERT MAY BE MANUALLY CONTRACTED FOR AXIAL REMOVAL FROM AND INSERTION INTO SAID BEARING SUPPORT, THE INNER SURFACE OF SAID INSERT COMPRISING A BODY OF MATERIAL DIFFERENT FROM THE MATERIAL DEFINING THE OUTER SURFACE OF SAID INSERT AND HAVING A LOWER COEFFICIENT OF FRICTION THAN THE MATERIAL AT THE OUTER SURFACE OF SAID INSERT.
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |