Patent US3133382A successfully refreshed from Google Patents.
US3133382A
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Apparatus for grinding balls
Assignee: Sebastian Messerschmidt Spezialmaschinenfabrik Firma
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Filing: 1961-03-23
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Granted: 1964-05-19
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Messerschmidt Sebastian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:16
CPC Classifications
B; B24; B24B; B24B11/00; B24B11/02; B24B11/04; B24B11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR GRINDING BALLS COMPRISING AT LEAST TWO ROTARY BODIES MOUNTED WITH THEIR ROTARY AXES PARALLEL WITH EACCH OTHER AND SPACED APART TO FORM A GAP IN WHICH THE BALLS TO BE GROUND HAVE CONTACT WITH BOTH ROTATING BODIES AND ARE ROTATED BY SAID BODIES ABOUT A FIRST AXIS PARALLEL WITH THE ROTARY AXES OF SAID BODIES, AT LEAST ONE OF SAID ROTARY BODIES BEING A GRINDING BODY, SAID ROTARY BODIES HAVING THEIR ADJACENT SURFACES SHAPED TO PROVIDE SAID GAP OF UNIFORM WIDTH FROM ONE END OF THE ROTARY BODIES TO THE OTHER END, AND AT LEAST ONE MOVABLE FRICTION ELEMENT HAVING FRICTION SURFACE IN CONTACT WITH THE BALLS FOR IMPARTING AN ADDITIONAL TURNING MOVEMENT THERETO ABOUT A SECOND AXIS INCLINED TO THE FIRST AXIS OF TURNING, THE FRICTION SURFACE ON SAID MOVABLE ELEMENT BEING ARRANGED IN AN
Claim 2
Dependent Claim
138 words
APPARATUS FOR GRINDING BALLS COMPRISING AT LEAST TWO ROTARY BODIES MOUNTED WITH THEIR ROTARY AXES PARALLEL WITH EACCH OTHER AND SPACED APART TO FORM A GAP IN WHICH THE BALLS TO BE GROUND HAVE CONTACT WITH BOTH ROTATING BODIES AND ARE ROTATED BY SAID BODIES ABOUT A FIRST AXIS PARALLEL WITH THE ROTARY AXES OF SAID BODIES, AT LEAST ONE OF SAID ROTARY BODIES BEING A GRINDING BODY, SAID ROTARY BODIES HAVING THEIR ADJACENT SURFACES SHAPED TO PROVIDE SAID GAP OF UNIFORM WIDTH FROM ONE END OF THE ROTARY BODIES TO THE OTHER END, AND AT LEAST ONE MOVABLE FRICTION ELEMENT HAVING FRICTION SURFACE IN CONTACT WITH THE BALLS FOR IMPARTING AN ADDITIONAL TURNING MOVEMENT THERETO ABOUT A SECOND AXIS INCLINED TO THE FIRST AXIS OF TURNING, THE FRICTION SURFACE ON SAID MOVABLE ELEMENT BEING ARRANGED IN AN
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |