US3136096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt grinder
Assignee: Saint Gobain Abrasives Inc
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Filing: 1960-09-27
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Granted: 1964-06-09
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Expires: 1980-09-27
Abstract
No abstract record available.
Inventors
- 👤 Louis J Hine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:00
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A BELT GRINDER COMPRISING A CONTACT ROLL, MEANS TO DRIVE THE SAME ROTATABLY AT HIGH SPEED, ADDITIONAL POWER DRIVEN MEANS TO OSCILLATE THE SAME A SHORT DISTANCE AT A SLOWER SPEED IN AXIAL DIRECTION IN ORDER TO MOVE THE BELT FROM SIDE TO SIDE, AN IDLER ROLL DISPOSED A SUBSTANTIAL DISTANCE IN BACK OF THE CONTACT ROLL FOR TENSIONING AN ABRASIVE BELT CARRIED BY SAID ROLLS, BEARINGS AT THE ENDS OF SAID IDLER ROLL, AND MEANS AT SAID BEARINGS TO ACCOMMODATE AXIAL MOVEMENT OF THE IDLER ROLL TO HELP THE LATTER FOLLOW THE SIDE-TO-SIDE MOVEMENT OF THE BELT RESULTING FROM THE AFORESAID POWER DRIVEN AXIAL MOVEMENT OF THE CONTACT ROLL.
Claim 2
Dependent Claim
110 words
A BELT GRINDER COMPRISING A CONTACT ROLL, MEANS TO DRIVE THE SAME ROTATABLY AT HIGH SPEED, ADDITIONAL POWER DRIVEN MEANS TO OSCILLATE THE SAME A SHORT DISTANCE AT A SLOWER SPEED IN AXIAL DIRECTION IN ORDER TO MOVE THE BELT FROM SIDE TO SIDE, AN IDLER ROLL DISPOSED A SUBSTANTIAL DISTANCE IN BACK OF THE CONTACT ROLL FOR TENSIONING AN ABRASIVE BELT CARRIED BY SAID ROLLS, BEARINGS AT THE ENDS OF SAID IDLER ROLL, AND MEANS AT SAID BEARINGS TO ACCOMMODATE AXIAL MOVEMENT OF THE IDLER ROLL TO HELP THE LATTER FOLLOW THE SIDE-TO-SIDE MOVEMENT OF THE BELT RESULTING FROM THE AFORESAID POWER DRIVEN AXIAL MOVEMENT OF THE CONTACT ROLL.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |