Patent US2441752A successfully refreshed from Google Patents.
Patent US3099076A successfully refreshed from Google Patents.
US3099076A
Expired / Lapsed
US
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Stud tensioner
Assignee: Babcock and Wilcox Co
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Filing: 1959-10-26
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Granted: 1963-07-30
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Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Mart Le Roy S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:03
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/067; B25; B25B; B25B29/00; B25B29/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A STUD TENSIONING DEVICE, AN ELONGATED DRAWBAR HAVING A STUD-ENGAGING PORTION, BEARING MEANS SUPPORTING SAID DRAWBAR FOR LIMITED ROCKING MOVEMENT RELATIVE TO A STATIONARY SUPPORT, SAID BEARING MEANS HAVING TWO ANNULAR ELEMENTS WITH CO-OPERATING SURFACES IN THE FORM OF SEGMENTS OF A SPHERE, RECIPROCABLE MOTOR MEANS COMPRISING PISTON AND CYLINDER ELEMENTS, A PEDESTAL BETWEEN ONE OF SAID ELEMENTS AND SAID STATIONARY SUPPORT, THE OTHER ELEMENT BEING CONNECTED TO SAID DRAWBAR, SAID STUD-ENGAGING PORTION OF THE DRAWBAR BEING DISPOSED WITHIN SAID PEDESTAL, SAID PISTON AND CYLINDER ELEMENTS BEING DISPOSED VERTICALLY OF SAID PEDESTAL, SAID DRAWBAR BEING COAXIAL WITH SAID PISTON AND CYLINDER ELEMENTS WHEREBY THE DRAWBAR MAY BE URGED IN A DIRECTION AWAY FROM SAID STUD, FIRST RADIAL BEARING MEANS DISPOSED BETWEEN SAID PISTON AND CYLINDER ELEMENTS, AND SECOND RADIAL BEARING MEANS CARRIED BY ONE OF SAID ANNULAR ELEMENTS AND ENGAGEABLE WITH SAID DRAWBAR AT A LOCATION SPACED A SUBSTANTIAL AXIAL DISTANCE FROM SAID FIRST RADIAL BEARING MEANS.
Claim 2
Dependent Claim
158 words
IN A STUD TENSIONING DEVICE, AN ELONGATED DRAWBAR HAVING A STUD-ENGAGING PORTION, BEARING MEANS SUPPORTING SAID DRAWBAR FOR LIMITED ROCKING MOVEMENT RELATIVE TO A STATIONARY SUPPORT, SAID BEARING MEANS HAVING TWO ANNULAR ELEMENTS WITH CO-OPERATING SURFACES IN THE FORM OF SEGMENTS OF A SPHERE, RECIPROCABLE MOTOR MEANS COMPRISING PISTON AND CYLINDER ELEMENTS, A PEDESTAL BETWEEN ONE OF SAID ELEMENTS AND SAID STATIONARY SUPPORT, THE OTHER ELEMENT BEING CONNECTED TO SAID DRAWBAR, SAID STUD-ENGAGING PORTION OF THE DRAWBAR BEING DISPOSED WITHIN SAID PEDESTAL, SAID PISTON AND CYLINDER ELEMENTS BEING DISPOSED VERTICALLY OF SAID PEDESTAL, SAID DRAWBAR BEING COAXIAL WITH SAID PISTON AND CYLINDER ELEMENTS WHEREBY THE DRAWBAR MAY BE URGED IN A DIRECTION AWAY FROM SAID STUD, FIRST RADIAL BEARING MEANS DISPOSED BETWEEN SAID PISTON AND CYLINDER ELEMENTS, AND SECOND RADIAL BEARING MEANS CARRIED BY ONE OF SAID ANNULAR ELEMENTS AND ENGAGEABLE WITH SAID DRAWBAR AT A LOCATION SPACED A SUBSTANTIAL AXIAL DISTANCE FROM SAID FIRST RADIAL BEARING MEANS.
References Cited (Backward Citations)
GB120868A
Cited
US1353600A
Cited
US1734746A
Cited
US1876690A
Cited
US2609253A
Cited
US2760393A
Cited
US2885919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |