US3160479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forged steering knuckle and method of manufacture
Assignee: Rockwell-Standard Corp
•
Filing: 1959-10-09
•
Granted: 1964-12-08
•
Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Davenport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:27
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/74; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12389; Y10T428/12465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF MAKING A FORGED STEEL STEERING KNUCKLE FROM A SQUARE STEEL BLANK WITH LATERIAL REFINED METAL GRAIN FLOW LINES CONSISTING OF: "BUST" FORGING THE BLANK INTO A DIE POCKET TO FORM A LATERALLY THICH WISHBONE SHAPED WORKPIECE WITH LATERALLY DISPOSED FLOW LINES DERIVED FROM ELONGATED ORGINAL GRAIN FLOW LINES; A FURTHER FORGING STEP CONSISTING OF VERTICAL AND HORIZONTAL EXTRUSION OF SAID ROUGH BLANK BY APPLYING FORGING FORCE LATERALLY ON SAID WISHBONE SHAPED WORKPIECE AND PARALLEL TO SAID LATERALLY DISPOSED FLOW LINES, RESULTING IN DENSIFICATION OR PACKING OF A GROUP OF METAL GRAIN FLOW LINES INTO A YOKE FLANGE PERIPHERY AND CAUSING UNIFORM ND CONTINUOUS DISPOSITION OF SAID GROUP OF GRAIN FLOW LINES IN A DOUBLED BACK ARRANGEMENT INTO THE SPINDLE AND ARMS SMOOTHYL FLOWING FROM SAID GRAIN FLOW LINES IN THE YOKE FLANGE PERIPHERY WHICH ARE SUBSTANTIALLY NORMAL TO THE FLOW LINES IN THE SPINDLE AND ARMS.
Claim 2
Independent Claim
149 words
A METHOD OF MAKING A FORGED STEEL STEERING KNUCKLE FROM A SQUARE STEEL BLANK WITH LATERIAL REFINED METAL GRAIN FLOW LINES CONSISTING OF: "BUST" FORGING THE BLANK INTO A DIE POCKET TO FORM A LATERALLY THICH WISHBONE SHAPED WORKPIECE WITH LATERALLY DISPOSED FLOW LINES DERIVED FROM ELONGATED ORGINAL GRAIN FLOW LINES; A FURTHER FORGING STEP CONSISTING OF VERTICAL AND HORIZONTAL EXTRUSION OF SAID ROUGH BLANK BY APPLYING FORGING FORCE LATERALLY ON SAID WISHBONE SHAPED WORKPIECE AND PARALLEL TO SAID LATERALLY DISPOSED FLOW LINES, RESULTING IN DENSIFICATION OR PACKING OF A GROUP OF METAL GRAIN FLOW LINES INTO A YOKE FLANGE PERIPHERY AND CAUSING UNIFORM ND CONTINUOUS DISPOSITION OF SAID GROUP OF GRAIN FLOW LINES IN A DOUBLED BACK ARRANGEMENT INTO THE SPINDLE AND ARMS SMOOTHYL FLOWING FROM SAID GRAIN FLOW LINES IN THE YOKE FLANGE PERIPHERY WHICH ARE SUBSTANTIALLY NORMAL TO THE FLOW LINES IN THE SPINDLE AND ARMS.
References Cited (Backward Citations)
US810007A
Cited
US1340528A
Cited
US1459592A
Cited
US1656929A
Cited
US1767415A
Cited
US1791137A
Cited
US2335590A
Cited
US2513710A
Cited
US2700211A
Cited
US2764804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |