US3199416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure actuators for producing rotary motion
Assignee: Whitnash PLC
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Filing: 1964-04-06
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Granted: 1965-08-10
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robson Gordon Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:05
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/066; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A FLUID PRESSURE ACTUATOR FOR PRODUCING ROTARY MOTION COMPRISING A HOUSING, AN ELONGATED PISTON IN SAID HOUSING, A PAIR OF SPACED CYLINDERS, THE OPPOSITE ENDS OF SAID PISTON EXTENDING INTO SAID CYLINDERS, A ROTATABLE SHAFT EXTENDING OUT SAID HOUSING AND DISPOSED AT A RIGHT ANGLE WITH SAID PISTON, SAID PISTON HAVING VERTICAL SLOTS DISPOSED IN ITS OPPOSITE SIDES CENTRALLY THEREOF, SAID PISTON HAVING A HORIZONTAL BORE EXTENDING THERETHROUGH ADJACENT SAID SLOTTED SIDES, A CYLINDRICAL HORIZONTAL TRUNNION JOURNALLED IN SAID PISTON BORE AT A RIGHT ANGLE WITH THE PISTON AXIS, A PAIR OF PARALLEL BORES EXTENDING THROUGH SAID TRUNNIONA
Claim 2
Dependent Claim
98 words
A FLUID PRESSURE ACTUATOR FOR PRODUCING ROTARY MOTION COMPRISING A HOUSING, AN ELONGATED PISTON IN SAID HOUSING, A PAIR OF SPACED CYLINDERS, THE OPPOSITE ENDS OF SAID PISTON EXTENDING INTO SAID CYLINDERS, A ROTATABLE SHAFT EXTENDING OUT SAID HOUSING AND DISPOSED AT A RIGHT ANGLE WITH SAID PISTON, SAID PISTON HAVING VERTICAL SLOTS DISPOSED IN ITS OPPOSITE SIDES CENTRALLY THEREOF, SAID PISTON HAVING A HORIZONTAL BORE EXTENDING THERETHROUGH ADJACENT SAID SLOTTED SIDES, A CYLINDRICAL HORIZONTAL TRUNNION JOURNALLED IN SAID PISTON BORE AT A RIGHT ANGLE WITH THE PISTON AXIS, A PAIR OF PARALLEL BORES EXTENDING THROUGH SAID TRUNNIONA
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |