Patent US3619952A successfully refreshed from Google Patents.
US3619952A
Expired / Lapsed
US
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Machine for surfacing brake discs
Assignee: Hein Werner Corp
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Filing: 1969-07-10
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Granted: 1971-11-16
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Expires: 1989-07-10
Abstract
Abstract A MACHINE FOR SURFACING BRAKE DISCS HAS A TRANSVERSELY MOVABLE CARRIAGE UPON WHICH A PAIR OF ADJUSTABLE CUTTER ARE PROVIDED FOR ROUGH SURFACING OF THE DISC, AND UPON WHICH A PAIR OF RESILIENT SANDING DISCS ARE PROVIDED FOR FINISHING THE BRAKE DISC SURFACES. THE RESILIENT ABRASIVE DISCS ARE MOUNTED ON A PAIR OF PIVOTAL ARMS RESPECTIVELY, WHICH ARMS CAN BE ADJUSTED ON A ROCKSHAFT SO AS TO VARY THE SPACING BETWEEN THE ABRASIVE DISC, AND CAN ALSO BE MOVED PIVOTALLY ON SAID ROCKSHAFT FROM AND TO ACTIVE POSI- TIONS WHEREIN SEGMENTS OF THE FACING ABRASIVE SURFACES OF SAID DISCS ENGAGE SEGMENTS OF THE OPPOSED FACES OF THE BRAKE DISE OR WORKPIECE TO BE FINISHED.
Inventors
- 👤 Paul W Leming
- 👤 Richard J Flanigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:56
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/16; B24B7/17
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |