US3158969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Cawi GmbH and Co
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Filing: 1962-01-15
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Granted: 1964-12-01
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Cawi Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:02
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/02; B24B3/022; B24B3/24; B24B3/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A TOOL SHARPENING AND GRINDING MACHINE FOR SHARPENING THE CONICAL CUTTING EDGES AND FOR GRINDING END CUTTING EDGES OF A TOOL COMPRISING IN COMBINATION, A ROTATING DRIVING SHAFT, A ROTATABLE SUPPORTING HEAD FIXED TO SAID SHAFT, A TOOL CARRIER ECCENTRICALLY MOUNTED IN SAID HEAD TO ROTATE THEREWITH AND ALSO ROTATABLE ABOUT ITS OWN AXIS, THE ROTATIONAL AXIS OF SAID TOOL CARRIER AND THE ROTATIONAL AXIS OF SAID HEAD CROSSING EACH OTHER IN SPACE, NAMELY NEITHER BEING PARALLEL NOR INTERSECTING EACH OTHER, AN EPICYCLIC GEARING CONSISTING OF SUN AND PLANET WHEELS TO ROTATE SAID HEAD AND SAID TOOL CARRIER, AND MEANS FOR AXIALLY DISPLACING SAID TOOL CARRIER RELATIVE TO SAID HEAD, AND WHEREIN THE SUN WHEEL INCLUDES TWO GEARS AND THE PLANET WHEEL INCLUDES TWO GEARS MESHING WITH THE TWO GEARS OF THE SUN WHEEL WITH DIFFERENT RATIOS, THE GEARS OF ONE OF THE EPICYCLIC GEARING BEING FREELY TO ROTATABLE RELATIVE THERETO, AND MEANS FOR SELECTIVELY COUPLING ONE OF THE FREELY ROTATABLE GEARS TO DRIVE SAID EPICYCLIC GEARING.
Claim 2
Dependent Claim
168 words
IN A TOOL SHARPENING AND GRINDING MACHINE FOR SHARPENING THE CONICAL CUTTING EDGES AND FOR GRINDING END CUTTING EDGES OF A TOOL COMPRISING IN COMBINATION, A ROTATING DRIVING SHAFT, A ROTATABLE SUPPORTING HEAD FIXED TO SAID SHAFT, A TOOL CARRIER ECCENTRICALLY MOUNTED IN SAID HEAD TO ROTATE THEREWITH AND ALSO ROTATABLE ABOUT ITS OWN AXIS, THE ROTATIONAL AXIS OF SAID TOOL CARRIER AND THE ROTATIONAL AXIS OF SAID HEAD CROSSING EACH OTHER IN SPACE, NAMELY NEITHER BEING PARALLEL NOR INTERSECTING EACH OTHER, AN EPICYCLIC GEARING CONSISTING OF SUN AND PLANET WHEELS TO ROTATE SAID HEAD AND SAID TOOL CARRIER, AND MEANS FOR AXIALLY DISPLACING SAID TOOL CARRIER RELATIVE TO SAID HEAD, AND WHEREIN THE SUN WHEEL INCLUDES TWO GEARS AND THE PLANET WHEEL INCLUDES TWO GEARS MESHING WITH THE TWO GEARS OF THE SUN WHEEL WITH DIFFERENT RATIOS, THE GEARS OF ONE OF THE EPICYCLIC GEARING BEING FREELY TO ROTATABLE RELATIVE THERETO, AND MEANS FOR SELECTIVELY COUPLING ONE OF THE FREELY ROTATABLE GEARS TO DRIVE SAID EPICYCLIC GEARING.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |