Patent US3373466A successfully refreshed from Google Patents.
US3373466A
Expired / Lapsed
US
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Packer head roller for cement pipe forming
Assignee: B C PAUSCH Inc A CORP OF DEL
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Filing: 1966-01-24
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Granted: 1968-03-19
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Donald C Pausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:10
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/22; B28B21/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A ROLLER FOR MOUNTING ON THE HEAD PLATE OF THE TROWELING CYLINDER OF A PACKER HEAD, A TAPERED SEAT BEING PROVIDED IN SAID PLATE, SAID ROLLER COMPRISING: (A) A STUD PROVIDED WITH A LOWER TAPERED END FITTED IN SAID SEAT AND HAVING A THREADED EXTENSION FOR A NUT TO LOCK THE STUD TIGHTLY TO THE HEAD PLATE, (B) AN UPPER EXTENSION ON SAID STUD ON AN AXIS ECCENTRIC TO THE AXIS OF THE TAPERED END AND THREADED EXTENSION, (C) TWO VERTICALLY SPACED TAPER ROLLER BEARINGS HAVING THEIR INNER RACES TIGHTLY FITTED TO THE ECCENTRIC EXTENSION OF THE STUD, (D) FLANGE INTEGRAL WITH THE STUD, COAXIAL WITH THE ECCENTRIC EXTENSION AND LOCATED ABOVE THE TAPERED END OF THE STUD, (E) A RING HUB MOUNTED ON THE OUTER RACES OF THE TAPER ROLLER BEARINGS AND FORMED WITH AN ANNULAR SEAT TO ACCOMMODATE THE FLANGE OF THE STUD, AND (F) A REMOVABLE HARDENED WEAR SLEEVE ON THE RING HUB AND HAVING A LOWER END THAT IS SPACED CLOSER TO THE HEAD PLATE OF THE TROWELING CYLINDER THAN ARE SAID FLANGE AND THE LOWER END OF THE RING HUB.
Claim 2
Dependent Claim
185 words
A ROLLER FOR MOUNTING ON THE HEAD PLATE OF THE TROWELING CYLINDER OF A PACKER HEAD, A TAPERED SEAT BEING PROVIDED IN SAID PLATE, SAID ROLLER COMPRISING: (A) A STUD PROVIDED WITH A LOWER TAPERED END FITTED IN SAID SEAT AND HAVING A THREADED EXTENSION FOR A NUT TO LOCK THE STUD TIGHTLY TO THE HEAD PLATE, (B) AN UPPER EXTENSION ON SAID STUD ON AN AXIS ECCENTRIC TO THE AXIS OF THE TAPERED END AND THREADED EXTENSION, (C) TWO VERTICALLY SPACED TAPER ROLLER BEARINGS HAVING THEIR INNER RACES TIGHTLY FITTED TO THE ECCENTRIC EXTENSION OF THE STUD, (D) FLANGE INTEGRAL WITH THE STUD, COAXIAL WITH THE ECCENTRIC EXTENSION AND LOCATED ABOVE THE TAPERED END OF THE STUD, (E) A RING HUB MOUNTED ON THE OUTER RACES OF THE TAPER ROLLER BEARINGS AND FORMED WITH AN ANNULAR SEAT TO ACCOMMODATE THE FLANGE OF THE STUD, AND (F) A REMOVABLE HARDENED WEAR SLEEVE ON THE RING HUB AND HAVING A LOWER END THAT IS SPACED CLOSER TO THE HEAD PLATE OF THE TROWELING CYLINDER THAN ARE SAID FLANGE AND THE LOWER END OF THE RING HUB.
References Cited (Backward Citations)
US2914364A
Cited
US3276091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |