US3282559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque plate for valves
Assignee: Crane Co
•
Filing: 1964-06-01
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Granted: 1966-11-01
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kurt B Bredtschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:56
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; F16K3/316
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A TORQUE RESISTING MECHANISM FOR GATE VALVES OR THE LIKE, THE COMBINATION OF A VALVE CASING HAVING SIDE DISPOSED INTERNALLY GUIDE MEANS, A RECIPROCABLY MOVABLE CLOSURE MEMBER, A VALVE STEM FOR ACTUATING SAID CLOSURE MEMBER, CONNECTING MEANS BETWEEN SAID VALVE STEM AND CLOSURE MEMBER, A TORQUE PLATE SURROUNDING SAID STEM POSITIONED BETWEEN SAID CLOSURE MEMBER AND AN ENLARGED PORTION ON SAID STEM, THE DISTANCE BETWEEN SAID CLOSURE MEMBER AND SAID ENLARGED PORTION BEING GREATER THAN THE THICKNESS OF SAID PLATE TO THEREBY PERMIT AXIAL MOVEMENT OF SAID PLATE, MEANS PROVIDED BY SAID STEM FOR NON-ROTATABLY RECEIVING SAID TORQUE PLATE, THE SAID TORQUE PLATE HAVING MEANS FOR ENGAGING SAID GUIDE MEANS TO THEREBY PREVENT ROTATION OF SAID STEM AND CLOSURE MEMBER RELATIVE TO SAID CASING.
Claim 2
Dependent Claim
125 words
IN A TORQUE RESISTING MECHANISM FOR GATE VALVES OR THE LIKE, THE COMBINATION OF A VALVE CASING HAVING SIDE DISPOSED INTERNALLY GUIDE MEANS, A RECIPROCABLY MOVABLE CLOSURE MEMBER, A VALVE STEM FOR ACTUATING SAID CLOSURE MEMBER, CONNECTING MEANS BETWEEN SAID VALVE STEM AND CLOSURE MEMBER, A TORQUE PLATE SURROUNDING SAID STEM POSITIONED BETWEEN SAID CLOSURE MEMBER AND AN ENLARGED PORTION ON SAID STEM, THE DISTANCE BETWEEN SAID CLOSURE MEMBER AND SAID ENLARGED PORTION BEING GREATER THAN THE THICKNESS OF SAID PLATE TO THEREBY PERMIT AXIAL MOVEMENT OF SAID PLATE, MEANS PROVIDED BY SAID STEM FOR NON-ROTATABLY RECEIVING SAID TORQUE PLATE, THE SAID TORQUE PLATE HAVING MEANS FOR ENGAGING SAID GUIDE MEANS TO THEREBY PREVENT ROTATION OF SAID STEM AND CLOSURE MEMBER RELATIVE TO SAID CASING.
References Cited (Backward Citations)
US1579800A
Cited
US3078871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |