US3112583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for grinding machines
Assignee: Fortuna Werke Spezialmaschinenfabrik AG
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Filing: 1962-03-22
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Granted: 1963-12-03
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Koppenwallner Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:28
CPC Classifications
B; B24; B24B; B24B49/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
A CONTROL SYSTEM FOR A GRINDING MACHINE CONTAINING A GRINDING WHEEL PARTICULARLY ADAPTED FOR ADJUSTING A GROOVE OF A WORKPIECE TO BE GROUND WITH RESPECT TO THE GRINDING WHEEL, AND COMPRISING A FIRST PIVOTALLY MOUNTED FEED CONTROL LEVER HAVING A FIRST LEVER ARM FOR ENGAGING A SHOULDER OF THE GROOVE TO BE GROUND, A SECOND PIVOTALLY MOUNTED FEED CONTROL LEVER HAVING A SECOND LEVER ARM FOR ENGAGING THE OTHER SHOULDER OF THE GROOVE TO BE GROUND, A THIRD CONTROL LEVER PIVOTALLY MOUNTED COAXIALLY WITH SAID SECOND FEED CONTROL LEVER AND OPERATIVELY CONNECTED TO SAID FIRST FEED CONTROL LEVER FOR CONCURRENT PIVOTAL MOVEMENT THEREWITH IN AN OPPOSITE DIRECTION, AND MEANS FOR AXIALLY DISPLACING THE WORKPIECE HAVING THE GROOVE TO BE GROUND WHEN THE FIRST LEVER ARM OF SAID FIRST FEED CONTROL LEVER ENGAGES A SHOULDER OF THE GROOVE UNTIL THE SECOND LEVER ARM OF THE SECOND FEED CONTROL LEVER ENGAGES THE OTHER SHOULDER OF THE GROOVE.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |