US3091059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for generating involute gears
Assignee: Parsons and Marine Engineering Turbine Research and Development Association
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Filing: 1960-09-20
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Granted: 1963-05-28
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Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Peter H Cleff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:39
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/02; B23F5/08; B23F5/085; B23F1/00; B23F1/02; B23F23/00; B23F23/003; B23F23/08; B23F23/085; B23F23/12; B23F23/1225; B23F23/1237; B23F23/1262; B23F3/00; B23F5/06; B23F5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A MACHINE FOR GENERATING INVOLUTE GEAR TEETH ON A WORK-PIECE, COMPRISING A WORK-TABLE ADAPTED TO CARRY SAID WORK-PIECE AND MOUNTED FOR CONTINUOUS ROTATION ABOUT AN AXIS, MEANS FOR ROTATING SAID WORK-TABLE CONTINUOUSLY ABOUT SAID AXIS, A GRINDING WHEEL HAVING AN OPERATIVE FACE DEFINING A GENERATRIX, A ROTATABLE SPINDLE CARRYING SAID GRINDING WHEEL, A SPINDLE-HOLDING MEMBER ANGULARLY MOVABLE ABOUT A MAIN PIVOT AXIS NORMAL TO SAID GENERATRIX AND PARALLEL TO SAID WORK-TABLE AXIS, A MAIN SLIDE SLIDABLE IN A RECTILINEAR PATH, RECTILINEAR GUIDES GUIDING SAID MAIN SLIDE WITH SAID RECTILINEAR PATH COINCIDING WITH A RADIAL LINE THROUGH SAID WORK-TABLE AXIS, SAID SPINDLE-HOLDING MEMBER BEING JOURNALLED IN SAID MAIN SLIDE, A RETRACTOR MECHANISM ACTUATING SAID MAIN SLIDE, AND MEANS FOR CORELATING THE ANGULAR MOVEMENT OF SAID WORK-TABLE AND SAID SPINDLE-HOLDING MEMBER PLUS THE RECTILINEAR MOVEMENT OF SAID MAIN SLIDE DURING THE GENERATION OF ONE FLANK OF A GEAR TOOTH, ACCORDING TO A RELATIONSHIP
Claim 2
Dependent Claim
151 words
A MACHINE FOR GENERATING INVOLUTE GEAR TEETH ON A WORK-PIECE, COMPRISING A WORK-TABLE ADAPTED TO CARRY SAID WORK-PIECE AND MOUNTED FOR CONTINUOUS ROTATION ABOUT AN AXIS, MEANS FOR ROTATING SAID WORK-TABLE CONTINUOUSLY ABOUT SAID AXIS, A GRINDING WHEEL HAVING AN OPERATIVE FACE DEFINING A GENERATRIX, A ROTATABLE SPINDLE CARRYING SAID GRINDING WHEEL, A SPINDLE-HOLDING MEMBER ANGULARLY MOVABLE ABOUT A MAIN PIVOT AXIS NORMAL TO SAID GENERATRIX AND PARALLEL TO SAID WORK-TABLE AXIS, A MAIN SLIDE SLIDABLE IN A RECTILINEAR PATH, RECTILINEAR GUIDES GUIDING SAID MAIN SLIDE WITH SAID RECTILINEAR PATH COINCIDING WITH A RADIAL LINE THROUGH SAID WORK-TABLE AXIS, SAID SPINDLE-HOLDING MEMBER BEING JOURNALLED IN SAID MAIN SLIDE, A RETRACTOR MECHANISM ACTUATING SAID MAIN SLIDE, AND MEANS FOR CORELATING THE ANGULAR MOVEMENT OF SAID WORK-TABLE AND SAID SPINDLE-HOLDING MEMBER PLUS THE RECTILINEAR MOVEMENT OF SAID MAIN SLIDE DURING THE GENERATION OF ONE FLANK OF A GEAR TOOTH, ACCORDING TO A RELATIONSHIP
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |