US3171234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple wheel grinding machine
Assignee: Warner and Swasey Co
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Filing: 1961-09-05
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Granted: 1965-03-02
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Oiva E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:12
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/18; B23; B23Q; B23Q15/00; B24B47/00; B24B47/02; B24B47/06; B24B49/02; B24B49/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
IN A PRECISION GRINDING MACHINE, A GRINDING WHEEL FEEDING MEANS SET UP AND AUTOMATICALLY OPERABLE CYCLICALLY TO FEED A ROTATING GRINDING WHEEL ASSEMBLY TOWARD SUCCESSIVE WORK PIECE TO BE GROUND ACCORDING TO A PREFERRED FEEDING SEQUENCE ENDING WITH A PREDETERMINED NUMBER OF FINE PICKS FORWARD, GAGE MEANS OPERABLE INDEPENDENT OF SAID PREFERRED FEEDING SEQUENCE WHEN A GIVEN WORK PIECE REACHES A DESIRED FINAL SIZE TO REVERSE THE WHEEL FEEDING MEANS, AND MEANS OPERABLE BY MEANS OF A SINGLE COARSE REVERSE PICK DURING THE FEEDING SEQUENCE FOR GRINDING THE NEXT WORK PIECE TO RETRACT THE WHEEL FEEDING MEANS AN AMOUNT EQUAL TO THE AMOUNT THE WHEEL FEEDING MEANS IS ADVANCED BY SAID PREDETERMINED NUMBER OF FINE PICKS FORWARD FULLY TO CORRECT THE SET-UP OF THE WHEEL FEEDING MEANS SO THAT THE GRINDING WHEEL ASSEMBLY IS POSITIONED TO GRIND THE NEXT WORK PIECE TO THE DESIRED FINAL SIZE UPON COMPLETION OF THE PREFERRED FEEDING SEQUENCE.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |