Patent US5606311A successfully refreshed from Google Patents.
Patent US3158773A successfully refreshed from Google Patents.
US3158773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder with split brush
Assignee: Stackpole Carbon Co
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Filing: 1962-12-26
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Granted: 1964-11-24
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 John E Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:31
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/381
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
THE COMBINATION WITH A BRUSH HOLDER HAVING A BRUSH-RECEIVING PASSAGE THERETHROUGH DISPOSED RADIALLY OF A ROTATING CYLINDRICAL MEMBER ADJACENT ITS INNER END, OF A PAIR OF THIN CARBON BRUSH HALF-SECTIONS DISPOSED FACE TO FACE IN SAID PASSAGE WITH THEIR OPPOSITE ENDS PROJECTING THEREFROM, A PAIR OF ARMS EACH ENGAGING THE OUTER END OF A DIFFERENT ONE OF SAID SECTIONS AND BEING PIVOTALLY MOUNTED AT ONE SIDE OF SAID HOLDER AND HAVING A FREE END PORTION EXTENDING OBLIQUELY ACROSS THE BRUSH SECTION END ENGAGED BY IT, SAID ARMS ENGAGING THE BRUSH SECTIONS AT POINTS BETWEEN SAID FACES AND THE CENTRAL PLANES OF SAID SECTIONS, AND RESILIENT MEANS FOR PRESSING SAID ARMS AGAINST THE BRUSH SECTIONS TO PRESS THOSE SECTIONS INWARDLY AGAINST SAID ROTATING MEMBER AND SIMULTANEOUSLY LATERALLY AWAY FROM EACH OTHER AGAINST THE OPPOSITE SIDES OF SAID PASSAGE.
Claim 2
Dependent Claim
137 words
THE COMBINATION WITH A BRUSH HOLDER HAVING A BRUSH-RECEIVING PASSAGE THERETHROUGH DISPOSED RADIALLY OF A ROTATING CYLINDRICAL MEMBER ADJACENT ITS INNER END, OF A PAIR OF THIN CARBON BRUSH HALF-SECTIONS DISPOSED FACE TO FACE IN SAID PASSAGE WITH THEIR OPPOSITE ENDS PROJECTING THEREFROM, A PAIR OF ARMS EACH ENGAGING THE OUTER END OF A DIFFERENT ONE OF SAID SECTIONS AND BEING PIVOTALLY MOUNTED AT ONE SIDE OF SAID HOLDER AND HAVING A FREE END PORTION EXTENDING OBLIQUELY ACROSS THE BRUSH SECTION END ENGAGED BY IT, SAID ARMS ENGAGING THE BRUSH SECTIONS AT POINTS BETWEEN SAID FACES AND THE CENTRAL PLANES OF SAID SECTIONS, AND RESILIENT MEANS FOR PRESSING SAID ARMS AGAINST THE BRUSH SECTIONS TO PRESS THOSE SECTIONS INWARDLY AGAINST SAID ROTATING MEMBER AND SIMULTANEOUSLY LATERALLY AWAY FROM EACH OTHER AGAINST THE OPPOSITE SIDES OF SAID PASSAGE.
References Cited (Backward Citations)
DE540786C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |