US3073071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Individual
•
Filing: 1961-01-16
•
Granted: 1963-01-15
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Dierks Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:36
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN A GRINDING MACHINE; AN UPSTANDING FRAME INCLUDING A HOLLOW HOUSING; A MOTOR WITH HORIZONTALLY DISPOSED OUTPUT SHAFTS EXTENDING FROM THE ENDS THEREOF MOUNTED WITHIN THE HOUSING; A PAIR OF SUBSTANTIALLY HORIZONTAL GRINDING WHEEL ARBORS MOUNTED ADJACENT THE TOP OF THE HOUSING HAVING ADJACENT INNER ENDS AND AN OUTER SPACEDAPART SET OF ENDS; ONE OF SAID ARBORS BEING VERTICALLY ABOVE AND ANGULARLY POSITIONED RELATIVE TO ONE OF SAID OUTPUT SHAFTS, AND THE OTHER OF SAID ARBORS BEING VERTICALLY ABOVE AND ANGULARLY POSITIONED RELATIVE TO THE OTHER OF SAID OUTPUT SHAFTS; VARIABLE SPEED PULLEY AND BELT MEANS CONNECTING THE INNER END OF SAID ONE ARBOR AND SAID ONE SHAFT, AND VARIABLE SPEED PULLEY AND BELT MEANS CONNECTING THE INNER END OF SAID OTHER ARBOR AND SAID OTHER SHAFT; EACH OF SAID VARIABLE SPEED PULLEY AND BELT MEANS COMPRISING A DOUBLE PULLEY ASSEMBLY SPACED BETWEEN THE ARBOR AND SHAFT, A BELT CONNECTING THE DOUBLE PULLEY ASSEMBLY AND ARBOR, AND A BELT CONNECTING THE DOUBLE PULLEY ASSEMBLY AND SHAFT; SAID DOUBLE PULLEY ASSEMBLY HAVING A MOUNTING WHEREBY THE SAME IS SHIFTABLE IN A VERTICAL DIRECTION AND INCLUDING MEANS WHEREBY ON SHIFTING OF ITS POSITION THE TENSION OF THE BELTS REMAINS SUBSTANTIALLY THE SAME.
Claim 2
Dependent Claim
200 words
IN A GRINDING MACHINE; AN UPSTANDING FRAME INCLUDING A HOLLOW HOUSING; A MOTOR WITH HORIZONTALLY DISPOSED OUTPUT SHAFTS EXTENDING FROM THE ENDS THEREOF MOUNTED WITHIN THE HOUSING; A PAIR OF SUBSTANTIALLY HORIZONTAL GRINDING WHEEL ARBORS MOUNTED ADJACENT THE TOP OF THE HOUSING HAVING ADJACENT INNER ENDS AND AN OUTER SPACEDAPART SET OF ENDS; ONE OF SAID ARBORS BEING VERTICALLY ABOVE AND ANGULARLY POSITIONED RELATIVE TO ONE OF SAID OUTPUT SHAFTS, AND THE OTHER OF SAID ARBORS BEING VERTICALLY ABOVE AND ANGULARLY POSITIONED RELATIVE TO THE OTHER OF SAID OUTPUT SHAFTS; VARIABLE SPEED PULLEY AND BELT MEANS CONNECTING THE INNER END OF SAID ONE ARBOR AND SAID ONE SHAFT, AND VARIABLE SPEED PULLEY AND BELT MEANS CONNECTING THE INNER END OF SAID OTHER ARBOR AND SAID OTHER SHAFT; EACH OF SAID VARIABLE SPEED PULLEY AND BELT MEANS COMPRISING A DOUBLE PULLEY ASSEMBLY SPACED BETWEEN THE ARBOR AND SHAFT, A BELT CONNECTING THE DOUBLE PULLEY ASSEMBLY AND ARBOR, AND A BELT CONNECTING THE DOUBLE PULLEY ASSEMBLY AND SHAFT; SAID DOUBLE PULLEY ASSEMBLY HAVING A MOUNTING WHEREBY THE SAME IS SHIFTABLE IN A VERTICAL DIRECTION AND INCLUDING MEANS WHEREBY ON SHIFTING OF ITS POSITION THE TENSION OF THE BELTS REMAINS SUBSTANTIALLY THE SAME.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |