Patent US3128953A successfully refreshed from Google Patents.
US3128953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wageneder
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:13
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/10; B02C4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A ROCK CRUSHER COMPRISING A HOUSING, A SUBSTANTIALLY CYLINDRICAL ROTOR HORIZONTALLY MOUNTED IN SAID HOUSING AND PROVIDED ALONG ITS PERIPHERY WITH SPACED-APART, GENERALLY AXIALLY EXTENDING VANES, AT LEAST ONE BAFFLE PLATE IN SAID HOUSING POSITIONED CLOSE TO SAID PERIPHERY ABOVE SAID ROTOR FOR INTERCEPTING ROCK FRAGMENTS PROPELLED BY SAID VANES, SAID BAFFLE PLATE BEING PERPENDICULAR TO A PLANE TANGENT TO SAID PERIPHERY AT A LOCATION AHEAD OF SAID BAFFLE PLATE AS VIEWED IN THE DIRECTION OF ROTATION OF SAID ROTOR, A SOLID CHEEK PLATE ADJACENT THE DESCENDING SIDE OF SAID ROTOR HAVING A CONCAVE SURFACE CLOSELY SPACED FROM THE ORBIT OF SAID VANES AND FORMING THEREWITH A NARROW ARCUATE GAP CONVERGING IN SAID DIRECTION OF ROTATION, AND A SUBSTANTIALLY RADIALLY EXTENDING FIXED SHIELD PLATE DISPOSED IMMEDIATELY ABOVE THE ENTRANCE TO SAID GAP AT CLOSE SPACING FROM SAID PERIPHERY FOR SLOWING DOWN ROCK FRAGMENTS PROPELLED BY SAID VANES TOWARD SAID GAP.
Claim 2
Dependent Claim
150 words
A ROCK CRUSHER COMPRISING A HOUSING, A SUBSTANTIALLY CYLINDRICAL ROTOR HORIZONTALLY MOUNTED IN SAID HOUSING AND PROVIDED ALONG ITS PERIPHERY WITH SPACED-APART, GENERALLY AXIALLY EXTENDING VANES, AT LEAST ONE BAFFLE PLATE IN SAID HOUSING POSITIONED CLOSE TO SAID PERIPHERY ABOVE SAID ROTOR FOR INTERCEPTING ROCK FRAGMENTS PROPELLED BY SAID VANES, SAID BAFFLE PLATE BEING PERPENDICULAR TO A PLANE TANGENT TO SAID PERIPHERY AT A LOCATION AHEAD OF SAID BAFFLE PLATE AS VIEWED IN THE DIRECTION OF ROTATION OF SAID ROTOR, A SOLID CHEEK PLATE ADJACENT THE DESCENDING SIDE OF SAID ROTOR HAVING A CONCAVE SURFACE CLOSELY SPACED FROM THE ORBIT OF SAID VANES AND FORMING THEREWITH A NARROW ARCUATE GAP CONVERGING IN SAID DIRECTION OF ROTATION, AND A SUBSTANTIALLY RADIALLY EXTENDING FIXED SHIELD PLATE DISPOSED IMMEDIATELY ABOVE THE ENTRANCE TO SAID GAP AT CLOSE SPACING FROM SAID PERIPHERY FOR SLOWING DOWN ROCK FRAGMENTS PROPELLED BY SAID VANES TOWARD SAID GAP.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |