US3308644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive for tube reduction mills
Assignee: Mannesmann Meer AG
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Filing: 1963-12-02
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Granted: 1967-03-14
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Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Dorp Walter Vom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:21
CPC Classifications
B; B21; B21B; B21B35/00; B21B35/02; B21B35/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A ROLLING MILL INSTALLATION COMPRISING A PLURALITY OF ROLL STANDS, EACH HAVING TWO ROLL HEADS, AND A DRIVE ASSEMBLY COMPRISING A MAIN DRIVE SHAFT FROM WHICH DRIVE UNITS ARE DRIVEN, ONE DRIVE UNIT FOR EACH ROLL HEAD, EACH DRIVE UNIT HAVING A TRANSMISSION ELEMENT COMPRISING BEVEL AND SPUR GEAR ASSEMBLIES, A TOTALIZING DRIVE ELEMEMENT WITH A MECHANICAL SUPER-IMPOSED DRIVE ELEMENT AND A STEP DOWN GEAR TRAIN ELEMENT, THE IMPROVEMENT WHICH COMPRISES POSITIONING THE TRANSMISSION ELEMENT, TOTALIZING DRIVE ELEMENT AND STEP DOWN GEAR TRAIN ELEMENT FOR THE TWO ROLL HEADS OF A ROLL STAND IN A SINGLE HOUSING IN MIRROR SYMMETRY TO ONE ANOTHER WITH RESPECT TO A HORIZONTAL PLANE PASSING THROUGH THE CENTER OF THE HOUSING, AND DRIVING ONE OF SAID DRIVE UNITS BY MEANS OF A SPUR GEAR DRIVEN BY THE TRANSMISSION ELEMENT OF THE OTHER UNIT.
Claim 2
Dependent Claim
139 words
IN A ROLLING MILL INSTALLATION COMPRISING A PLURALITY OF ROLL STANDS, EACH HAVING TWO ROLL HEADS, AND A DRIVE ASSEMBLY COMPRISING A MAIN DRIVE SHAFT FROM WHICH DRIVE UNITS ARE DRIVEN, ONE DRIVE UNIT FOR EACH ROLL HEAD, EACH DRIVE UNIT HAVING A TRANSMISSION ELEMENT COMPRISING BEVEL AND SPUR GEAR ASSEMBLIES, A TOTALIZING DRIVE ELEMEMENT WITH A MECHANICAL SUPER-IMPOSED DRIVE ELEMENT AND A STEP DOWN GEAR TRAIN ELEMENT, THE IMPROVEMENT WHICH COMPRISES POSITIONING THE TRANSMISSION ELEMENT, TOTALIZING DRIVE ELEMENT AND STEP DOWN GEAR TRAIN ELEMENT FOR THE TWO ROLL HEADS OF A ROLL STAND IN A SINGLE HOUSING IN MIRROR SYMMETRY TO ONE ANOTHER WITH RESPECT TO A HORIZONTAL PLANE PASSING THROUGH THE CENTER OF THE HOUSING, AND DRIVING ONE OF SAID DRIVE UNITS BY MEANS OF A SPUR GEAR DRIVEN BY THE TRANSMISSION ELEMENT OF THE OTHER UNIT.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |