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US3160479A Expired / Lapsed US ⏱️ 0.0 years remaining

Forged steering knuckle and method of manufacture

Assignee: Rockwell-Standard Corp
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Filing: 1959-10-09
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Granted: 1964-12-08
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Expires: 1979-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth G Davenport

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:58
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
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US2513710A Cited
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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

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