US3278153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double action pinch tube valve
Assignee: Gorman Rupp Industries Inc
•
Filing: 1963-06-04
•
Granted: 1966-10-11
•
Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Dallas Wilbur Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:31
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A DOUBLE ACTION PINCH TUBE VALVE UNIT COMPRISING A FRAME HAVING OPPOSED SIDEWALLS, A PINCH TUBE VALVE HAVING AN INTERMEDIATE FLEXIBLE PINCH SECTION AND ITS ENDS MOUNTED IN ALIGNED OPENINGS IN SAID SIDEWALLS, AN OPERATOR PLATE ATTACHED TO ONE SIDE OF SAID PINCH SECTION, ANOTHER OPERATOR PLATE ATTACHED TO THE OPPOSITE SIDE OF SAID PINCH SECTION, LINKAGE OPERATIVELY CONNECTING SAID OPERATOR PLATES FOR MOVING BOTH PLATES TOWARD EACH OTHER AS A VALVE CLOSING FORCE IS APPLIED TO ONE PLATE, AND FOR MOVING BOTH PLATES AWAY FROM EACH OTHER AS A VALVE OPENING FORCE IS APPLIED TO ONE PLATE, POWER MEANS APPLIED TO ONE OF SAID OPERATOR PLATES FOR SIMULTANEOUSLY MOVING THE PLATES RELATEDLY IN ONE DIRECTION, AND SPRING MEANS OPPOSING SAID POWER MEANS DURING THE POWER STROKE FOR MOVING THE PLATES RELATEDLY IN THE OPPOSITE DIRECTION, SAID SPRING MEANS EXERTING A FORCE WHICH PROGRESSIVELY DECREASES TO A LOW POINT DURING THE POWER STROKE AND THEN PROGRESSIVELY INCREASES UP TO THE END OF SAID POWER STROKE.
Claim 2
Dependent Claim
165 words
A DOUBLE ACTION PINCH TUBE VALVE UNIT COMPRISING A FRAME HAVING OPPOSED SIDEWALLS, A PINCH TUBE VALVE HAVING AN INTERMEDIATE FLEXIBLE PINCH SECTION AND ITS ENDS MOUNTED IN ALIGNED OPENINGS IN SAID SIDEWALLS, AN OPERATOR PLATE ATTACHED TO ONE SIDE OF SAID PINCH SECTION, ANOTHER OPERATOR PLATE ATTACHED TO THE OPPOSITE SIDE OF SAID PINCH SECTION, LINKAGE OPERATIVELY CONNECTING SAID OPERATOR PLATES FOR MOVING BOTH PLATES TOWARD EACH OTHER AS A VALVE CLOSING FORCE IS APPLIED TO ONE PLATE, AND FOR MOVING BOTH PLATES AWAY FROM EACH OTHER AS A VALVE OPENING FORCE IS APPLIED TO ONE PLATE, POWER MEANS APPLIED TO ONE OF SAID OPERATOR PLATES FOR SIMULTANEOUSLY MOVING THE PLATES RELATEDLY IN ONE DIRECTION, AND SPRING MEANS OPPOSING SAID POWER MEANS DURING THE POWER STROKE FOR MOVING THE PLATES RELATEDLY IN THE OPPOSITE DIRECTION, SAID SPRING MEANS EXERTING A FORCE WHICH PROGRESSIVELY DECREASES TO A LOW POINT DURING THE POWER STROKE AND THEN PROGRESSIVELY INCREASES UP TO THE END OF SAID POWER STROKE.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |