Patent US3335481A successfully refreshed from Google Patents.
US3335481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of an annular split bearing housing
Assignee: Individual
•
Filing: 1964-12-30
•
Granted: 1967-08-15
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Walter D Haentjens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:44
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/02; F16C35/00; F16C35/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD TO MANUFACTURE AN ANNULAR SPLIT BEARING HOUSING WHICH INCLUDES THE STEPS OF CASTING AN ANNULAR HOUSING FROM MOLTEN METLA SO THAT APPROXIMATELY ONE-HALF THEREOF HAS A RELATIVELY THIN CROSS-SECTION WHILE THE OTHER APPROXIMATE ONE-HALF THEREOF HAS A RELATIVELY THICK CROSS-SECTION, COOLING THE HALF WITH THE THIN CROSS-SECTION FIRST, THEN, SUBSEQUENTLY COOLING THE HALF WITH THE THICK CROSSSECTION TO PULL THE THIN CROSS-SECTION INTO COMPRESSION, FORMING THE CENTRAL BORE IN THE ANNULAR HOUSING TO A DESIRED DIAMETER, AND SPLITTING THE HOUSING AT APPROXIMATELY THE CENTER OF THE HALF WITH THE THIN CROSS-SECTION ALONG A LINE PARALLEL TO THE BORE THROUGH THE HOUSING.
Claim 2
Independent Claim
103 words
A METHOD TO MANUFACTURE AN ANNULAR SPLIT BEARING HOUSING WHICH INCLUDES THE STEPS OF CASTING AN ANNULAR HOUSING FROM MOLTEN METLA SO THAT APPROXIMATELY ONE-HALF THEREOF HAS A RELATIVELY THIN CROSS-SECTION WHILE THE OTHER APPROXIMATE ONE-HALF THEREOF HAS A RELATIVELY THICK CROSS-SECTION, COOLING THE HALF WITH THE THIN CROSS-SECTION FIRST, THEN, SUBSEQUENTLY COOLING THE HALF WITH THE THICK CROSSSECTION TO PULL THE THIN CROSS-SECTION INTO COMPRESSION, FORMING THE CENTRAL BORE IN THE ANNULAR HOUSING TO A DESIRED DIAMETER, AND SPLITTING THE HOUSING AT APPROXIMATELY THE CENTER OF THE HALF WITH THE THIN CROSS-SECTION ALONG A LINE PARALLEL TO THE BORE THROUGH THE HOUSING.
References Cited (Backward Citations)
US1964770A
Cited
US2560413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |