Patent US3252684A successfully refreshed from Google Patents.
US3252684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary spherical valve assembly including fluid pressure seals
Assignee: Parker Hannifin Corp
•
Filing: 1962-05-18
•
Granted: 1966-05-24
•
Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Kazimierz T Ksieski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:22
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0668; F16K5/08; F16K5/14; F16K5/20; F16K5/205; F16K5/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A VALVE ASSEMBLY COMPRISING A BODY MEMBER HAVING INLET AND OUTLET PORTS, A VALVE MEMBER MOVABLE IN SAID BODY MEMBER TO OPEN AND CLOSE FLUID COMMUNICATION BETWEEN SAID PORTS, A SEAL RING CARRIED BY ONE MEMBER FOR MAKING FLUID TIGHT CONTACT WITH THE OTHER MEMBER WHEN SAID VALVE MEMBER IS IN A POSITION CLOSING SUCH FLUID COMMUNICATION, SAID SEAL RING HAVING A SEAT PORTION, A PERIPHERAL PORTION BY WHICH SAID SEAL RING IS CLAMPED TO SAID ONE MEMBER, A LATERALLY EXTENDING INTERVENING PORTION INTERCONNECTING SAID SEAT PORTION AND PERIPHERAL PORTION, SAID INTERVENING PORTION BEING FLEXIBLE SO AS TO ENABLE THE SEAT PORTION TO MOVE AXIALLY INTO SUCH FLUID TIGHT CONTACT, A SERIES OF CIRCUMFERENTIALLY SPACED RINGS BETWEEN SAID ONE MEMBER AND SAID SEAT PORTION URGING SAID SEAT PORTION INTO ENGAGEMENT WITH SAID OTHER MEMBER, AND A THIN SEMIRIGID WASHER MEANS BETWEEN SAID SPRINGS AND SAID SEAT PORTION, OPERATIVE TO LIMIT THE DISTRIBUTION OF THE LOAD FROM
Claim 2
Dependent Claim
156 words
A VALVE ASSEMBLY COMPRISING A BODY MEMBER HAVING INLET AND OUTLET PORTS, A VALVE MEMBER MOVABLE IN SAID BODY MEMBER TO OPEN AND CLOSE FLUID COMMUNICATION BETWEEN SAID PORTS, A SEAL RING CARRIED BY ONE MEMBER FOR MAKING FLUID TIGHT CONTACT WITH THE OTHER MEMBER WHEN SAID VALVE MEMBER IS IN A POSITION CLOSING SUCH FLUID COMMUNICATION, SAID SEAL RING HAVING A SEAT PORTION, A PERIPHERAL PORTION BY WHICH SAID SEAL RING IS CLAMPED TO SAID ONE MEMBER, A LATERALLY EXTENDING INTERVENING PORTION INTERCONNECTING SAID SEAT PORTION AND PERIPHERAL PORTION, SAID INTERVENING PORTION BEING FLEXIBLE SO AS TO ENABLE THE SEAT PORTION TO MOVE AXIALLY INTO SUCH FLUID TIGHT CONTACT, A SERIES OF CIRCUMFERENTIALLY SPACED RINGS BETWEEN SAID ONE MEMBER AND SAID SEAT PORTION URGING SAID SEAT PORTION INTO ENGAGEMENT WITH SAID OTHER MEMBER, AND A THIN SEMIRIGID WASHER MEANS BETWEEN SAID SPRINGS AND SAID SEAT PORTION, OPERATIVE TO LIMIT THE DISTRIBUTION OF THE LOAD FROM
References Cited (Backward Citations)
US2732170A
Cited
US1793655A
Cited
US2194541A
Cited
US2191232A
Cited
US2233074A
Cited
US2341692A
Cited
US2487436A
Cited
US2799470A
Cited
US2701117A
Cited
GB671546A
Cited
US2707481A
Cited
US2853269A
Cited
US2893430A
Cited
US2837308A
Cited
US2963261A
Cited
US2930575A
Cited
FR1251575A
Cited
US3076631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |