Patent US3497433A successfully refreshed from Google Patents.
Patent US3608245A successfully refreshed from Google Patents.
US3608245A
Expired / Lapsed
US
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Belt sanding machine
Assignee: TIMESAVERS SANDERS Inc
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Filing: 1969-09-04
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Granted: 1971-09-28
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Expires: 1989-09-04
Abstract
Abstract THE IDLER DRUM OF A BELT SANDING MACHINE IS SUPPORTED CANTILEVER STYLE FROM AN UPRIGHT WALL OF THE MACHINE FRAME AT A LOCATION A DISTANCE ABOVE A POWER DRIVEN CONTACT DRUM, BOTH FOR VERTICAL MOTION RELATIVE TO THE CONTACT DRUM AND FOR TILTING MOTION ABOUT A HORIZONTAL AXIS DISPOSED CLOSE TO SAID WALL. THE BED ALONG WHICH ARTICLES TO BE SANDED ARE ADVANCED UNDER THE CONTACT DRUM, IS MOUNTED ON A SLIDE UNIT WHICH IS CONSTRAINED TO VERTICAL ADJUSTING MOTION ALONG RAILS PROVIDED BY THE OPPOSITE SIDE EDGES OF THE UPRIGHT FRAME WALL. A PLAIN ENDLESS CONVEYOR BELT ON THE BED CAN BE REPLACED BY AN ABRASIVE BELT OF THE SAME TYPE AND SIZE PROVIDED FOR THE CONTACT AND IDLER DRUMS.
Inventors
- 👤 Raymond G Fair Jr
- 👤 Cecil D Brotherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:07
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |